fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / drivers / net / cassini.h
index 88063ef..a970804 100644 (file)
@@ -21,7 +21,7 @@
  *
  * vendor id: 0x108E (Sun Microsystems, Inc.)
  * device id: 0xabba (Cassini)
  *
  * vendor id: 0x108E (Sun Microsystems, Inc.)
  * device id: 0xabba (Cassini)
- * revision ids: 0x01 = Cassini 
+ * revision ids: 0x01 = Cassini
  *               0x02 = Cassini rev 2
  *               0x10 = Cassini+
  *               0x11 = Cassini+ 0.2u
  *               0x02 = Cassini rev 2
  *               0x10 = Cassini+
  *               0x11 = Cassini+ 0.2u
  * appear in cassini+. REG_MINUS_ addresses only appear in cassini.
  */
 #define CAS_ID_REV2          0x02
  * appear in cassini+. REG_MINUS_ addresses only appear in cassini.
  */
 #define CAS_ID_REV2          0x02
-#define CAS_ID_REVPLUS       0x10 
-#define CAS_ID_REVPLUS02u    0x11 
+#define CAS_ID_REVPLUS       0x10
+#define CAS_ID_REVPLUS02u    0x11
 #define CAS_ID_REVSATURNB2   0x30
 
 /** global resources **/
 
 /* this register sets the weights for the weighted round robin arbiter. e.g.,
  * if rx weight == 1 and tx weight == 0, rx == 2x tx transfer credit
 #define CAS_ID_REVSATURNB2   0x30
 
 /** global resources **/
 
 /* this register sets the weights for the weighted round robin arbiter. e.g.,
  * if rx weight == 1 and tx weight == 0, rx == 2x tx transfer credit
- * for its next turn to access the pci bus. 
- * map: 0x0 = x1, 0x1 = x2, 0x2 = x4, 0x3 = x8 
+ * for its next turn to access the pci bus.
+ * map: 0x0 = x1, 0x1 = x2, 0x2 = x4, 0x3 = x8
  * DEFAULT: 0x0, SIZE: 5 bits
  */
 #define  REG_CAWR                     0x0004  /* core arbitration weight */
  * DEFAULT: 0x0, SIZE: 5 bits
  */
 #define  REG_CAWR                     0x0004  /* core arbitration weight */
@@ -66,8 +66,8 @@
 #define    CAWR_RR_DIS                 0x10    /* [4] */
 
 /* if enabled, BIM can send bursts across PCI bus > cacheline size. burst
 #define    CAWR_RR_DIS                 0x10    /* [4] */
 
 /* if enabled, BIM can send bursts across PCI bus > cacheline size. burst
- * sizes determined by length of packet or descriptor transfer and the 
- * max length allowed by the target. 
+ * sizes determined by length of packet or descriptor transfer and the
+ * max length allowed by the target.
  * DEFAULT: 0x0, SIZE: 1 bit
  */
 #define  REG_INF_BURST                 0x0008  /* infinite burst enable reg */
  * DEFAULT: 0x0, SIZE: 1 bit
  */
 #define  REG_INF_BURST                 0x0008  /* infinite burst enable reg */
 
 /* top level interrupts [0-9] are auto-cleared to 0 when the status
  * register is read. second level interrupts [13 - 18] are cleared at
 
 /* top level interrupts [0-9] are auto-cleared to 0 when the status
  * register is read. second level interrupts [13 - 18] are cleared at
- * the source. tx completion register 3 is replicated in [19 - 31] 
+ * the source. tx completion register 3 is replicated in [19 - 31]
  * DEFAULT: 0x00000000, SIZE: 29 bits
  */
 #define  REG_INTR_STATUS               0x000C  /* interrupt status register */
  * DEFAULT: 0x00000000, SIZE: 29 bits
  */
 #define  REG_INTR_STATUS               0x000C  /* interrupt status register */
-#define    INTR_TX_INTME               0x00000001  /* frame w/ INT ME desc bit set 
+#define    INTR_TX_INTME               0x00000001  /* frame w/ INT ME desc bit set
                                                      xferred from host queue to
                                                      TX FIFO */
 #define    INTR_TX_ALL                 0x00000002  /* all xmit frames xferred into
                                                      TX FIFO. i.e.,
                                                      xferred from host queue to
                                                      TX FIFO */
 #define    INTR_TX_ALL                 0x00000002  /* all xmit frames xferred into
                                                      TX FIFO. i.e.,
-                                                     TX Kick == TX complete. if 
+                                                     TX Kick == TX complete. if
                                                      PACED_MODE set, then TX FIFO
                                                      also empty */
                                                      PACED_MODE set, then TX FIFO
                                                      also empty */
-#define    INTR_TX_DONE                0x00000004  /* any frame xferred into tx 
+#define    INTR_TX_DONE                0x00000004  /* any frame xferred into tx
                                                      FIFO */
                                                      FIFO */
-#define    INTR_TX_TAG_ERROR           0x00000008  /* TX FIFO tag framing 
+#define    INTR_TX_TAG_ERROR           0x00000008  /* TX FIFO tag framing
                                                      corrupted. FATAL ERROR */
 #define    INTR_RX_DONE                0x00000010  /* at least 1 frame xferred
                                                      from RX FIFO to host mem.
                                                      corrupted. FATAL ERROR */
 #define    INTR_RX_DONE                0x00000010  /* at least 1 frame xferred
                                                      from RX FIFO to host mem.
                                                      intr blanking. */
 #define    INTR_RX_BUF_UNAVAIL         0x00000020  /* no more receive buffers.
                                                      RX Kick == RX complete */
                                                      intr blanking. */
 #define    INTR_RX_BUF_UNAVAIL         0x00000020  /* no more receive buffers.
                                                      RX Kick == RX complete */
-#define    INTR_RX_TAG_ERROR           0x00000040  /* RX FIFO tag framing 
+#define    INTR_RX_TAG_ERROR           0x00000040  /* RX FIFO tag framing
                                                      corrupted. FATAL ERROR */
 #define    INTR_RX_COMP_FULL           0x00000080  /* no more room in completion
                                                      ring to post descriptors.
                                                      RX complete head incr to
                                                      almost reach RX complete
                                                      tail */
                                                      corrupted. FATAL ERROR */
 #define    INTR_RX_COMP_FULL           0x00000080  /* no more room in completion
                                                      ring to post descriptors.
                                                      RX complete head incr to
                                                      almost reach RX complete
                                                      tail */
-#define    INTR_RX_BUF_AE              0x00000100  /* less than the 
+#define    INTR_RX_BUF_AE              0x00000100  /* less than the
                                                      programmable threshold #
                                                      of free descr avail for
                                                      hw use */
                                                      programmable threshold #
                                                      of free descr avail for
                                                      hw use */
-#define    INTR_RX_COMP_AF             0x00000200  /* less than the 
+#define    INTR_RX_COMP_AF             0x00000200  /* less than the
                                                      programmable threshold #
                                                      of descr spaces for hw
                                                      use in completion descr
                                                      programmable threshold #
                                                      of descr spaces for hw
                                                      use in completion descr
                                                      from fifo during DMA or
                                                      header parser provides TCP
                                                      header and payload size >
                                                      from fifo during DMA or
                                                      header parser provides TCP
                                                      header and payload size >
-                                                     MAC packet size. 
+                                                     MAC packet size.
                                                      FATAL ERROR */
 #define    INTR_SUMMARY                0x00001000  /* summary interrupt bit. this
                                                      FATAL ERROR */
 #define    INTR_SUMMARY                0x00001000  /* summary interrupt bit. this
-                                                     bit will be set if an interrupt 
+                                                     bit will be set if an interrupt
                                                      generated on the pci bus. useful
                                                      generated on the pci bus. useful
-                                                     when driver is polling for 
+                                                     when driver is polling for
                                                      interrupts */
 #define    INTR_PCS_STATUS             0x00002000  /* PCS interrupt status register */
                                                      interrupts */
 #define    INTR_PCS_STATUS             0x00002000  /* PCS interrupt status register */
-#define    INTR_TX_MAC_STATUS          0x00004000  /* TX MAC status register has at 
+#define    INTR_TX_MAC_STATUS          0x00004000  /* TX MAC status register has at
                                                      least 1 unmasked interrupt set */
                                                      least 1 unmasked interrupt set */
-#define    INTR_RX_MAC_STATUS          0x00008000  /* RX MAC status register has at 
+#define    INTR_RX_MAC_STATUS          0x00008000  /* RX MAC status register has at
                                                      least 1 unmasked interrupt set */
 #define    INTR_MAC_CTRL_STATUS        0x00010000  /* MAC control status register has
                                                      at least 1 unmasked interrupt
                                                      least 1 unmasked interrupt set */
 #define    INTR_MAC_CTRL_STATUS        0x00010000  /* MAC control status register has
                                                      at least 1 unmasked interrupt
 #define    INTR_MIF_STATUS             0x00020000  /* MIF status register has at least
                                                      1 unmasked interrupt set */
 #define    INTR_PCI_ERROR_STATUS       0x00040000  /* PCI error status register in the
 #define    INTR_MIF_STATUS             0x00020000  /* MIF status register has at least
                                                      1 unmasked interrupt set */
 #define    INTR_PCI_ERROR_STATUS       0x00040000  /* PCI error status register in the
-                                                     BIF has at least 1 unmasked 
+                                                     BIF has at least 1 unmasked
                                                      interrupt set */
                                                      interrupt set */
-#define    INTR_TX_COMP_3_MASK         0xFFF80000  /* mask for TX completion 
+#define    INTR_TX_COMP_3_MASK         0xFFF80000  /* mask for TX completion
                                                      3 reg data */
 #define    INTR_TX_COMP_3_SHIFT        19
 #define    INTR_ERROR_MASK (INTR_MIF_STATUS | INTR_PCI_ERROR_STATUS | \
                                                      3 reg data */
 #define    INTR_TX_COMP_3_SHIFT        19
 #define    INTR_ERROR_MASK (INTR_MIF_STATUS | INTR_PCI_ERROR_STATUS | \
                             INTR_MAC_CTRL_STATUS)
 
 /* determines which status events will cause an interrupt. layout same
                             INTR_MAC_CTRL_STATUS)
 
 /* determines which status events will cause an interrupt. layout same
- * as REG_INTR_STATUS. 
+ * as REG_INTR_STATUS.
  * DEFAULT: 0xFFFFFFFF, SIZE: 16 bits
  */
 #define  REG_INTR_MASK                 0x0010  /* Interrupt mask */
  * DEFAULT: 0xFFFFFFFF, SIZE: 16 bits
  */
 #define  REG_INTR_MASK                 0x0010  /* Interrupt mask */
  * useful when driver is polling for interrupts. layout same as REG_INTR_MASK.
  * DEFAULT: 0x00000000, SIZE: 12 bits
  */
  * useful when driver is polling for interrupts. layout same as REG_INTR_MASK.
  * DEFAULT: 0x00000000, SIZE: 12 bits
  */
-#define  REG_ALIAS_CLEAR               0x0014  /* alias clear mask 
+#define  REG_ALIAS_CLEAR               0x0014  /* alias clear mask
                                                  (used w/ status alias) */
 /* same as REG_INTR_STATUS except that only bits cleared are those selected by
                                                  (used w/ status alias) */
 /* same as REG_INTR_STATUS except that only bits cleared are those selected by
- * REG_ALIAS_CLEAR 
+ * REG_ALIAS_CLEAR
  * DEFAULT: 0x00000000, SIZE: 29 bits
  */
  * DEFAULT: 0x00000000, SIZE: 29 bits
  */
-#define  REG_INTR_STATUS_ALIAS         0x001C  /* interrupt status alias 
+#define  REG_INTR_STATUS_ALIAS         0x001C  /* interrupt status alias
                                                  (selective clear) */
 
 /* DEFAULT: 0x0, SIZE: 3 bits */
 #define  REG_PCI_ERR_STATUS            0x1000  /* PCI error status */
                                                  (selective clear) */
 
 /* DEFAULT: 0x0, SIZE: 3 bits */
 #define  REG_PCI_ERR_STATUS            0x1000  /* PCI error status */
-#define    PCI_ERR_BADACK              0x01    /* reserved in Cassini+. 
+#define    PCI_ERR_BADACK              0x01    /* reserved in Cassini+.
                                                  set if no ACK64# during ABS64 cycle
                                                  in Cassini. */
 #define    PCI_ERR_DTRTO               0x02    /* delayed xaction timeout. set if
                                                  set if no ACK64# during ABS64 cycle
                                                  in Cassini. */
 #define    PCI_ERR_DTRTO               0x02    /* delayed xaction timeout. set if
                                                  unused in Cassini. */
 #define    PCI_ERR_BIM_DMA_READ        0x10    /* BIM received 0 count DMA read req.
                                                  unused in Cassini. */
                                                  unused in Cassini. */
 #define    PCI_ERR_BIM_DMA_READ        0x10    /* BIM received 0 count DMA read req.
                                                  unused in Cassini. */
-#define    PCI_ERR_BIM_DMA_TIMEOUT     0x20    /* BIM received 255 retries during 
+#define    PCI_ERR_BIM_DMA_TIMEOUT     0x20    /* BIM received 255 retries during
                                                  DMA. unused in cassini. */
 
 /* mask for PCI status events that will set PCI_ERR_STATUS. if cleared, event
                                                  DMA. unused in cassini. */
 
 /* mask for PCI status events that will set PCI_ERR_STATUS. if cleared, event
- * causes an interrupt to be generated. 
+ * causes an interrupt to be generated.
  * DEFAULT: 0x7, SIZE: 3 bits
  */
 #define  REG_PCI_ERR_STATUS_MASK       0x1004  /* PCI Error status mask */
 
  * DEFAULT: 0x7, SIZE: 3 bits
  */
 #define  REG_PCI_ERR_STATUS_MASK       0x1004  /* PCI Error status mask */
 
-/* used to configure PCI related parameters that are not in PCI config space. 
+/* used to configure PCI related parameters that are not in PCI config space.
  * DEFAULT: 0bxx000, SIZE: 5 bits
  */
 #define  REG_BIM_CFG                0x1008  /* BIM Configuration */
  * DEFAULT: 0bxx000, SIZE: 5 bits
  */
 #define  REG_BIM_CFG                0x1008  /* BIM Configuration */
 #define    BIM_CFG_RMA_INTR_ENABLE  0x040   /* master abort intr enable */
 #define    BIM_CFG_RTA_INTR_ENABLE  0x080   /* target abort intr enable */
 #define    BIM_CFG_RESERVED2        0x100   /* reserved */
 #define    BIM_CFG_RMA_INTR_ENABLE  0x040   /* master abort intr enable */
 #define    BIM_CFG_RTA_INTR_ENABLE  0x080   /* target abort intr enable */
 #define    BIM_CFG_RESERVED2        0x100   /* reserved */
-#define    BIM_CFG_BIM_DISABLE      0x200   /* stop BIM DMA. use before global 
+#define    BIM_CFG_BIM_DISABLE      0x200   /* stop BIM DMA. use before global
                                               reset. reserved in Cassini. */
 #define    BIM_CFG_BIM_STATUS       0x400   /* (ro) 1 = BIM DMA suspended.
                                                  reserved in Cassini. */
                                               reset. reserved in Cassini. */
 #define    BIM_CFG_BIM_STATUS       0x400   /* (ro) 1 = BIM DMA suspended.
                                                  reserved in Cassini. */
 #define  REG_BIM_DIAG                  0x100C  /* BIM Diagnostic */
 #define    BIM_DIAG_MSTR_SM_MASK       0x3FFFFF00 /* PCI master controller state
                                                     machine bits [21:0] */
 #define  REG_BIM_DIAG                  0x100C  /* BIM Diagnostic */
 #define    BIM_DIAG_MSTR_SM_MASK       0x3FFFFF00 /* PCI master controller state
                                                     machine bits [21:0] */
-#define    BIM_DIAG_BRST_SM_MASK       0x7F    /* PCI burst controller state 
+#define    BIM_DIAG_BRST_SM_MASK       0x7F    /* PCI burst controller state
                                                  machine bits [6:0] */
 
 /* writing to SW_RESET_TX and SW_RESET_RX will issue a global
                                                  machine bits [6:0] */
 
 /* writing to SW_RESET_TX and SW_RESET_RX will issue a global
 #define    SW_RESET_RX                 0x00000002  /* reset RX DMA engine. poll until
                                                      cleared to 0. */
 #define    SW_RESET_RSTOUT             0x00000004  /* force RSTOUT# pin active (low).
 #define    SW_RESET_RX                 0x00000002  /* reset RX DMA engine. poll until
                                                      cleared to 0. */
 #define    SW_RESET_RSTOUT             0x00000004  /* force RSTOUT# pin active (low).
-                                                     resets PHY and anything else 
+                                                     resets PHY and anything else
                                                      connected to RSTOUT#. RSTOUT#
                                                      is also activated by local PCI
                                                      connected to RSTOUT#. RSTOUT#
                                                      is also activated by local PCI
-                                                     reset when hot-swap is being 
+                                                     reset when hot-swap is being
                                                      done. */
                                                      done. */
-#define    SW_RESET_BLOCK_PCS_SLINK    0x00000008  /* if a global reset is done with 
-                                                     this bit set, PCS and SLINK 
-                                                     modules won't be reset. 
+#define    SW_RESET_BLOCK_PCS_SLINK    0x00000008  /* if a global reset is done with
+                                                     this bit set, PCS and SLINK
+                                                     modules won't be reset.
                                                      i.e., link won't drop. */
 #define    SW_RESET_BREQ_SM_MASK       0x00007F00  /* breq state machine [6:0] */
 #define    SW_RESET_PCIARB_SM_MASK     0x00070000  /* pci arbitration state bits:
                                                      i.e., link won't drop. */
 #define    SW_RESET_BREQ_SM_MASK       0x00007F00  /* breq state machine [6:0] */
 #define    SW_RESET_PCIARB_SM_MASK     0x00070000  /* pci arbitration state bits:
                                                      0b01: AD_ACK_RX
                                                      0b10: AD_ACK_TX
                                                      0b11: AD_IDL_TX */
                                                      0b01: AD_ACK_RX
                                                      0b10: AD_ACK_TX
                                                      0b11: AD_IDL_TX */
-#define    SW_RESET_WRPCI_SM_MASK      0x06000000  /* write pci state bits 
+#define    SW_RESET_WRPCI_SM_MASK      0x06000000  /* write pci state bits
                                                      0b00: WR_PCI_WAT
                                                      0b01: WR_PCI_RDY
                                                      0b11: WR_PCI_ACK */
                                                      0b00: WR_PCI_WAT
                                                      0b01: WR_PCI_RDY
                                                      0b11: WR_PCI_ACK */
  * value written has both lower and upper 32-bit halves rotated to the right
  * one bit position. e.g., FFFFFFFF FFFFFFFF -> 7FFFFFFF 7FFFFFFF
  */
  * value written has both lower and upper 32-bit halves rotated to the right
  * one bit position. e.g., FFFFFFFF FFFFFFFF -> 7FFFFFFF 7FFFFFFF
  */
-#define  REG_MINUS_BIM_DATAPATH_TEST   0x1018  /* Cassini: BIM datapath test 
+#define  REG_MINUS_BIM_DATAPATH_TEST   0x1018  /* Cassini: BIM datapath test
                                                  Cassini+: reserved */
 
 /* output enables are provided for each device's chip select and for the rest
                                                  Cassini+: reserved */
 
 /* output enables are provided for each device's chip select and for the rest
  * bits are connected to general purpus control/status bits.
  * DEFAULT: 0x7
  */
  * bits are connected to general purpus control/status bits.
  * DEFAULT: 0x7
  */
-#define  REG_BIM_LOCAL_DEV_EN          0x1020  /* BIM local device 
+#define  REG_BIM_LOCAL_DEV_EN          0x1020  /* BIM local device
                                                  output EN. default: 0x7 */
 #define    BIM_LOCAL_DEV_PAD           0x01    /* address bus, RW signal, and
                                                  OE signal output enable on the
                                                  local bus interface. these
                                                  output EN. default: 0x7 */
 #define    BIM_LOCAL_DEV_PAD           0x01    /* address bus, RW signal, and
                                                  OE signal output enable on the
                                                  local bus interface. these
-                                                 are shared between both local 
+                                                 are shared between both local
                                                  bus devices. tristate when 0. */
 #define    BIM_LOCAL_DEV_PROM          0x02    /* PROM chip select */
 #define    BIM_LOCAL_DEV_EXT           0x04    /* secondary local bus device chip
                                                  bus devices. tristate when 0. */
 #define    BIM_LOCAL_DEV_PROM          0x02    /* PROM chip select */
 #define    BIM_LOCAL_DEV_EXT           0x04    /* secondary local bus device chip
 #define    BIM_LOCAL_DEV_HW_RESET      0x20    /* internal hw reset. Cassini+ only. */
 
 /* access 24 entry BIM read and write buffers. put address in REG_BIM_BUFFER_ADDR
 #define    BIM_LOCAL_DEV_HW_RESET      0x20    /* internal hw reset. Cassini+ only. */
 
 /* access 24 entry BIM read and write buffers. put address in REG_BIM_BUFFER_ADDR
- * and read/write from/to it REG_BIM_BUFFER_DATA_LOW and _DATA_HI. 
- * _DATA_HI should be the last access of the sequence. 
+ * and read/write from/to it REG_BIM_BUFFER_DATA_LOW and _DATA_HI.
+ * _DATA_HI should be the last access of the sequence.
  * DEFAULT: undefined
  */
 #define  REG_BIM_BUFFER_ADDR           0x1024  /* BIM buffer address. for
  * DEFAULT: undefined
  */
 #define  REG_BIM_BUFFER_ADDR           0x1024  /* BIM buffer address. for
 #define  REG_BIM_BUFFER_DATA_LOW       0x1028  /* BIM buffer data low */
 #define  REG_BIM_BUFFER_DATA_HI        0x102C  /* BIM buffer data high */
 
 #define  REG_BIM_BUFFER_DATA_LOW       0x1028  /* BIM buffer data low */
 #define  REG_BIM_BUFFER_DATA_HI        0x102C  /* BIM buffer data high */
 
-/* set BIM_RAM_BIST_START to start built-in self test for BIM read buffer. 
+/* set BIM_RAM_BIST_START to start built-in self test for BIM read buffer.
  * bit auto-clears when done with status read from _SUMMARY and _PASS bits.
  */
  * bit auto-clears when done with status read from _SUMMARY and _PASS bits.
  */
-#define  REG_BIM_RAM_BIST              0x102C  /* BIM RAM (read buffer) BIST 
+#define  REG_BIM_RAM_BIST              0x102C  /* BIM RAM (read buffer) BIST
                                                  control/status */
 #define    BIM_RAM_BIST_RD_START       0x01    /* start BIST for BIM read buffer */
 #define    BIM_RAM_BIST_WR_START       0x02    /* start BIST for BIM write buffer.
                                                  control/status */
 #define    BIM_RAM_BIST_RD_START       0x01    /* start BIST for BIM read buffer */
 #define    BIM_RAM_BIST_WR_START       0x02    /* start BIST for BIM write buffer.
 #define    BIM_RAM_BIST_RD_LOW_PASS    0x10    /* read low bank passes BIST */
 #define    BIM_RAM_BIST_RD_HI_PASS     0x20    /* read high bank passes BIST */
 #define    BIM_RAM_BIST_WR_LOW_PASS    0x40    /* write low bank passes BIST.
 #define    BIM_RAM_BIST_RD_LOW_PASS    0x10    /* read low bank passes BIST */
 #define    BIM_RAM_BIST_RD_HI_PASS     0x20    /* read high bank passes BIST */
 #define    BIM_RAM_BIST_WR_LOW_PASS    0x40    /* write low bank passes BIST.
-                                                 Cassini only. reserved in 
+                                                 Cassini only. reserved in
                                                  Cassini+. */
 #define    BIM_RAM_BIST_WR_HI_PASS     0x80    /* write high bank passes BIST.
                                                  Cassini only. reserved in
                                                  Cassini+. */
 #define    BIM_RAM_BIST_WR_HI_PASS     0x80    /* write high bank passes BIST.
                                                  Cassini only. reserved in
 #define  REG_BIM_DIAG_MUX              0x1030  /* BIM diagnostic probe mux
                                                  select register */
 
 #define  REG_BIM_DIAG_MUX              0x1030  /* BIM diagnostic probe mux
                                                  select register */
 
-/* enable probe monitoring mode and select data appearing on the P_A* bus. bit 
+/* enable probe monitoring mode and select data appearing on the P_A* bus. bit
  * values for _SEL_HI_MASK and _SEL_LOW_MASK:
  * 0x0: internal probe[7:0] (pci arb state, wtc empty w, wtc full w, wtc empty w,
  *                           wtc empty r, post pci)
  * values for _SEL_HI_MASK and _SEL_LOW_MASK:
  * 0x0: internal probe[7:0] (pci arb state, wtc empty w, wtc full w, wtc empty w,
  *                           wtc empty r, post pci)
  * 0xe: hp probe[7:0]        0xf: mac probe[7:0]
  */
 #define  REG_PLUS_PROBE_MUX_SELECT     0x1034 /* Cassini+: PROBE MUX SELECT */
  * 0xe: hp probe[7:0]        0xf: mac probe[7:0]
  */
 #define  REG_PLUS_PROBE_MUX_SELECT     0x1034 /* Cassini+: PROBE MUX SELECT */
-#define    PROBE_MUX_EN                0x80000000 /* allow probe signals to be 
+#define    PROBE_MUX_EN                0x80000000 /* allow probe signals to be
                                                     driven on local bus P_A[15:0]
                                                     for debugging */
 #define    PROBE_MUX_SUB_MUX_MASK      0x0000FF00 /* select sub module probe signals:
                                                     driven on local bus P_A[15:0]
                                                     for debugging */
 #define    PROBE_MUX_SUB_MUX_MASK      0x0000FF00 /* select sub module probe signals:
                                                     0x30 = tx[1:0]
                                                     0xC0 = hp[1:0] */
 #define    PROBE_MUX_SEL_HI_MASK       0x000000F0 /* select which module to appear
                                                     0x30 = tx[1:0]
                                                     0xC0 = hp[1:0] */
 #define    PROBE_MUX_SEL_HI_MASK       0x000000F0 /* select which module to appear
-                                                    on P_A[15:8]. see above for 
+                                                    on P_A[15:8]. see above for
                                                     values. */
 #define    PROBE_MUX_SEL_LOW_MASK      0x0000000F /* select which module to appear
                                                     values. */
 #define    PROBE_MUX_SEL_LOW_MASK      0x0000000F /* select which module to appear
-                                                    on P_A[7:0]. see above for 
+                                                    on P_A[7:0]. see above for
                                                     values. */
 
                                                     values. */
 
-/* values mean the same thing as REG_INTR_MASK excep that it's for INTB. 
+/* values mean the same thing as REG_INTR_MASK excep that it's for INTB.
  DEFAULT: 0x1F */
 #define  REG_PLUS_INTR_MASK_1          0x1038 /* Cassini+: interrupt mask
                                                 register 2 for INTB */
 #define  REG_PLUS_INTRN_MASK(x)       (REG_PLUS_INTR_MASK_1 + ((x) - 1)*16)
  DEFAULT: 0x1F */
 #define  REG_PLUS_INTR_MASK_1          0x1038 /* Cassini+: interrupt mask
                                                 register 2 for INTB */
 #define  REG_PLUS_INTRN_MASK(x)       (REG_PLUS_INTR_MASK_1 + ((x) - 1)*16)
-/* bits correspond to both _MASK and _STATUS registers. _ALT corresponds to 
- * all of the alternate (2-4) INTR registers while _1 corresponds to only 
- * _MASK_1 and _STATUS_1 registers. 
+/* bits correspond to both _MASK and _STATUS registers. _ALT corresponds to
+ * all of the alternate (2-4) INTR registers while _1 corresponds to only
+ * _MASK_1 and _STATUS_1 registers.
  * DEFAULT: 0x7 for MASK registers, 0x0 for ALIAS_CLEAR registers
  */
  * DEFAULT: 0x7 for MASK registers, 0x0 for ALIAS_CLEAR registers
  */
-#define    INTR_RX_DONE_ALT              0x01  
+#define    INTR_RX_DONE_ALT              0x01
 #define    INTR_RX_COMP_FULL_ALT         0x02
 #define    INTR_RX_COMP_AF_ALT           0x04
 #define    INTR_RX_BUF_UNAVAIL_1         0x08
 #define    INTR_RX_BUF_AE_1              0x10 /* almost empty */
 #define    INTR_RX_COMP_FULL_ALT         0x02
 #define    INTR_RX_COMP_AF_ALT           0x04
 #define    INTR_RX_BUF_UNAVAIL_1         0x08
 #define    INTR_RX_BUF_AE_1              0x10 /* almost empty */
-#define    INTRN_MASK_RX_EN              0x80     
+#define    INTRN_MASK_RX_EN              0x80
 #define    INTRN_MASK_CLEAR_ALL          (INTR_RX_DONE_ALT | \
                                           INTR_RX_COMP_FULL_ALT | \
                                           INTR_RX_COMP_AF_ALT | \
 #define    INTRN_MASK_CLEAR_ALL          (INTR_RX_DONE_ALT | \
                                           INTR_RX_COMP_FULL_ALT | \
                                           INTR_RX_COMP_AF_ALT | \
                                                 register 2 for INTB */
 #define  REG_PLUS_ALIASN_CLEAR(x)      (REG_PLUS_ALIAS_CLEAR_1 + ((x) - 1)*16)
 
                                                 register 2 for INTB */
 #define  REG_PLUS_ALIASN_CLEAR(x)      (REG_PLUS_ALIAS_CLEAR_1 + ((x) - 1)*16)
 
-#define  REG_PLUS_INTR_STATUS_ALIAS_1  0x1044 /* Cassini+: interrupt status 
+#define  REG_PLUS_INTR_STATUS_ALIAS_1  0x1044 /* Cassini+: interrupt status
                                                 register alias 2 for INTB */
 #define  REG_PLUS_INTRN_STATUS_ALIAS(x) (REG_PLUS_INTR_STATUS_ALIAS_1 + ((x) - 1)*16)
 
                                                 register alias 2 for INTB */
 #define  REG_PLUS_INTRN_STATUS_ALIAS(x) (REG_PLUS_INTR_STATUS_ALIAS_1 + ((x) - 1)*16)
 
 #define   SATURN_PCFG_CLA             0x00000004 /* 1 = phy link100led */
 #define   SATURN_PCFG_LLA             0x00000008 /* 1 = phy link1000led */
 #define   SATURN_PCFG_RLA             0x00000010 /* 1 = phy duplexled */
 #define   SATURN_PCFG_CLA             0x00000004 /* 1 = phy link100led */
 #define   SATURN_PCFG_LLA             0x00000008 /* 1 = phy link1000led */
 #define   SATURN_PCFG_RLA             0x00000010 /* 1 = phy duplexled */
-#define   SATURN_PCFG_PDS             0x00000020 /* phy debug mode. 
+#define   SATURN_PCFG_PDS             0x00000020 /* phy debug mode.
                                                    0 = normal */
                                                    0 = normal */
-#define   SATURN_PCFG_MTP             0x00000080 /* test point select */ 
-#define   SATURN_PCFG_GMO             0x00000100 /* GMII observe. 1 = 
+#define   SATURN_PCFG_MTP             0x00000080 /* test point select */
+#define   SATURN_PCFG_GMO             0x00000100 /* GMII observe. 1 =
                                                    GMII on SERDES pins for
                                                    monitoring. */
 #define   SATURN_PCFG_FSI             0x00000200 /* 1 = freeze serdes/gmii. all
                                                    pins configed as outputs.
                                                    for power saving when using
                                                    internal phy. */
                                                    GMII on SERDES pins for
                                                    monitoring. */
 #define   SATURN_PCFG_FSI             0x00000200 /* 1 = freeze serdes/gmii. all
                                                    pins configed as outputs.
                                                    for power saving when using
                                                    internal phy. */
-#define   SATURN_PCFG_LAD             0x00000800 /* 0 = mac core led ctrl 
-                                                   polarity from strapping 
+#define   SATURN_PCFG_LAD             0x00000800 /* 0 = mac core led ctrl
+                                                   polarity from strapping
                                                    value.
                                                    1 = mac core led ctrl
                                                    polarity active low. */
                                                    value.
                                                    1 = mac core led ctrl
                                                    polarity active low. */
 #define MAX_TX_RINGS                  (1 << MAX_TX_RINGS_SHIFT)
 #define MAX_TX_RINGS_MASK             (MAX_TX_RINGS - 1)
 
 #define MAX_TX_RINGS                  (1 << MAX_TX_RINGS_SHIFT)
 #define MAX_TX_RINGS_MASK             (MAX_TX_RINGS - 1)
 
-/* TX configuration. 
- * descr ring sizes size = 32 * (1 << n), n < 9. e.g., 0x8 = 8k. default: 0x8 
+/* TX configuration.
+ * descr ring sizes size = 32 * (1 << n), n < 9. e.g., 0x8 = 8k. default: 0x8
  * DEFAULT: 0x3F000001
  */
 #define  REG_TX_CFG                    0x2004  /* TX config */
 #define    TX_CFG_DMA_EN               0x00000001  /* enable TX DMA. if cleared, DMA
                                                      will stop after xfer of current
                                                      buffer has been completed. */
  * DEFAULT: 0x3F000001
  */
 #define  REG_TX_CFG                    0x2004  /* TX config */
 #define    TX_CFG_DMA_EN               0x00000001  /* enable TX DMA. if cleared, DMA
                                                      will stop after xfer of current
                                                      buffer has been completed. */
-#define    TX_CFG_FIFO_PIO_SEL         0x00000002  /* TX DMA FIFO can be 
-                                                     accessed w/ FIFO addr 
-                                                     and data registers. 
-                                                     TX DMA should be 
+#define    TX_CFG_FIFO_PIO_SEL         0x00000002  /* TX DMA FIFO can be
+                                                     accessed w/ FIFO addr
+                                                     and data registers.
+                                                     TX DMA should be
                                                      disabled. */
 #define    TX_CFG_DESC_RING0_MASK      0x0000003C  /* # desc entries in
                                                      ring 1. */
 #define    TX_CFG_DESC_RING0_SHIFT     2
 #define    TX_CFG_DESC_RINGN_MASK(a)   (TX_CFG_DESC_RING0_MASK << (a)*4)
 #define    TX_CFG_DESC_RINGN_SHIFT(a)  (TX_CFG_DESC_RING0_SHIFT + (a)*4)
                                                      disabled. */
 #define    TX_CFG_DESC_RING0_MASK      0x0000003C  /* # desc entries in
                                                      ring 1. */
 #define    TX_CFG_DESC_RING0_SHIFT     2
 #define    TX_CFG_DESC_RINGN_MASK(a)   (TX_CFG_DESC_RING0_MASK << (a)*4)
 #define    TX_CFG_DESC_RINGN_SHIFT(a)  (TX_CFG_DESC_RING0_SHIFT + (a)*4)
-#define    TX_CFG_PACED_MODE           0x00100000  /* TX_ALL only set after 
-                                                     TX FIFO becomes empty. 
+#define    TX_CFG_PACED_MODE           0x00100000  /* TX_ALL only set after
+                                                     TX FIFO becomes empty.
                                                      if 0, TX_ALL set
                                                      if descr queue empty. */
 #define    TX_CFG_DMA_RDPIPE_DIS       0x01000000  /* always set to 1 */
                                                      if 0, TX_ALL set
                                                      if descr queue empty. */
 #define    TX_CFG_DMA_RDPIPE_DIS       0x01000000  /* always set to 1 */
                                                      through Q4 */
 #define    TX_CFG_INTR_COMPWB_DIS      0x20000000  /* disable pre-interrupt completion
                                                      writeback */
                                                      through Q4 */
 #define    TX_CFG_INTR_COMPWB_DIS      0x20000000  /* disable pre-interrupt completion
                                                      writeback */
-#define    TX_CFG_CTX_SEL_MASK         0xC0000000  /* selects tx test port 
+#define    TX_CFG_CTX_SEL_MASK         0xC0000000  /* selects tx test port
                                                      connection
                                                      connection
-                                                     0b00: tx mac req, 
+                                                     0b00: tx mac req,
                                                            tx mac retry req,
                                                            tx ack and tx tag.
                                                            tx mac retry req,
                                                            tx ack and tx tag.
-                                                     0b01: txdma rd req, 
+                                                     0b01: txdma rd req,
                                                            txdma rd ack,
                                                            txdma rd rdy,
                                                            txdma rd type0
                                                            txdma rd ack,
                                                            txdma rd rdy,
                                                            txdma rd type0
-                                                     0b11: txdma wr req, 
+                                                     0b11: txdma wr req,
                                                            txdma wr ack,
                                                            txdma wr rdy,
                                                            txdma wr xfr done. */
 #define    TX_CFG_CTX_SEL_SHIFT        30
                                                            txdma wr ack,
                                                            txdma wr rdy,
                                                            txdma wr xfr done. */
 #define    TX_CFG_CTX_SEL_SHIFT        30
-                                                     
+
 /* 11-bit counters that point to next location in FIFO to be loaded/retrieved.
  * used for diagnostics only.
  */
 #define  REG_TX_FIFO_WRITE_PTR         0x2014  /* TX FIFO write pointer */
 /* 11-bit counters that point to next location in FIFO to be loaded/retrieved.
  * used for diagnostics only.
  */
 #define  REG_TX_FIFO_WRITE_PTR         0x2014  /* TX FIFO write pointer */
-#define  REG_TX_FIFO_SHADOW_WRITE_PTR  0x2018  /* TX FIFO shadow write 
+#define  REG_TX_FIFO_SHADOW_WRITE_PTR  0x2018  /* TX FIFO shadow write
                                                  pointer. temp hold reg.
                                                  diagnostics only. */
 #define  REG_TX_FIFO_READ_PTR          0x201C  /* TX FIFO read pointer */
                                                  pointer. temp hold reg.
                                                  diagnostics only. */
 #define  REG_TX_FIFO_READ_PTR          0x201C  /* TX FIFO read pointer */
 #define    TX_SM_1_CACHE_MASK          0x03C00000   /* desc. prefetch cache controller
                                                       state machine */
 #define    TX_SM_1_CBQ_ARB_MASK        0xF8000000   /* CBQ arbiter state machine */
 #define    TX_SM_1_CACHE_MASK          0x03C00000   /* desc. prefetch cache controller
                                                       state machine */
 #define    TX_SM_1_CBQ_ARB_MASK        0xF8000000   /* CBQ arbiter state machine */
-                                                        
+
 #define  REG_TX_SM_2                   0x202C  /* TX state machine reg #2 */
 #define    TX_SM_2_COMP_WB_MASK        0x07    /* completion writeback sm */
 #define           TX_SM_2_SUB_LOAD_MASK       0x38    /* sub load state machine */
 #define  REG_TX_SM_2                   0x202C  /* TX state machine reg #2 */
 #define    TX_SM_2_COMP_WB_MASK        0x07    /* completion writeback sm */
 #define           TX_SM_2_SUB_LOAD_MASK       0x38    /* sub load state machine */
 #define  REG_TX_DATA_PTR_LOW           0x2030  /* TX data pointer low */
 #define  REG_TX_DATA_PTR_HI            0x2034  /* TX data pointer high */
 
 #define  REG_TX_DATA_PTR_LOW           0x2030  /* TX data pointer low */
 #define  REG_TX_DATA_PTR_HI            0x2034  /* TX data pointer high */
 
-/* 13 bit registers written by driver w/ descriptor value that follows 
+/* 13 bit registers written by driver w/ descriptor value that follows
  * last valid xmit descriptor. kick # and complete # values are used by
  * last valid xmit descriptor. kick # and complete # values are used by
- * the xmit dma engine to control tx descr fetching. if > 1 valid 
+ * the xmit dma engine to control tx descr fetching. if > 1 valid
  * tx descr is available within the cache line being read, cassini will
  * internally cache up to 4 of them. 0 on reset. _KICK = rw, _COMP = ro.
  */
  * tx descr is available within the cache line being read, cassini will
  * internally cache up to 4 of them. 0 on reset. _KICK = rw, _COMP = ro.
  */
 #define  REG_TX_COMP0                  0x2048  /* TX completion reg #1 */
 #define  REG_TX_COMPN(x)               (REG_TX_COMP0 + (x)*4)
 
 #define  REG_TX_COMP0                  0x2048  /* TX completion reg #1 */
 #define  REG_TX_COMPN(x)               (REG_TX_COMP0 + (x)*4)
 
-/* values of TX_COMPLETE_1-4 are written. each completion register 
- * is 2bytes in size and contiguous. 8B allocation w/ 8B alignment. 
+/* values of TX_COMPLETE_1-4 are written. each completion register
+ * is 2bytes in size and contiguous. 8B allocation w/ 8B alignment.
  * NOTE: completion reg values are only written back prior to TX_INTME and
  * NOTE: completion reg values are only written back prior to TX_INTME and
- * TX_ALL interrupts. at all other times, the most up-to-date index values 
- * should be obtained from the REG_TX_COMPLETE_# registers. 
- * here's the layout: 
+ * TX_ALL interrupts. at all other times, the most up-to-date index values
+ * should be obtained from the REG_TX_COMPLETE_# registers.
+ * here's the layout:
  * offset from base addr      completion # byte
  *           0                TX_COMPLETE_1_MSB
  *          1                TX_COMPLETE_1_LSB
  * offset from base addr      completion # byte
  *           0                TX_COMPLETE_1_MSB
  *          1                TX_COMPLETE_1_LSB
 #define    TX_COMPWB_LSB_MASK       0x000000000000FF00ULL
 #define    TX_COMPWB_LSB_SHIFT      8
 #define    TX_COMPWB_NEXT(x)        ((x) >> 16)
 #define    TX_COMPWB_LSB_MASK       0x000000000000FF00ULL
 #define    TX_COMPWB_LSB_SHIFT      8
 #define    TX_COMPWB_NEXT(x)        ((x) >> 16)
-                                                     
+
 /* 53 MSB used as base address. 11 LSB assumed to be 0. TX desc pointer must
  * be 2KB-aligned. */
 #define  REG_TX_DB0_LOW         0x2060  /* TX descriptor base low #1 */
 /* 53 MSB used as base address. 11 LSB assumed to be 0. TX desc pointer must
  * be 2KB-aligned. */
 #define  REG_TX_DB0_LOW         0x2060  /* TX descriptor base low #1 */
 #define  REG_TX_FIFO_DATA_HI_T0        0x2114  /* TX FIFO data high t0 */
 #define  REG_TX_FIFO_SIZE              0x2118  /* (ro) TX FIFO size = 0x090 = 9KB */
 
 #define  REG_TX_FIFO_DATA_HI_T0        0x2114  /* TX FIFO data high t0 */
 #define  REG_TX_FIFO_SIZE              0x2118  /* (ro) TX FIFO size = 0x090 = 9KB */
 
-/* 9-bit register controls BIST of TX FIFO. bit set indicates that the BIST 
+/* 9-bit register controls BIST of TX FIFO. bit set indicates that the BIST
  * passed for the specified memory
  */
 #define  REG_TX_RAMBIST                0x211C /* TX RAMBIST control/status */
  * passed for the specified memory
  */
 #define  REG_TX_RAMBIST                0x211C /* TX RAMBIST control/status */
-#define    TX_RAMBIST_STATE            0x01C0 /* progress state of RAMBIST 
+#define    TX_RAMBIST_STATE            0x01C0 /* progress state of RAMBIST
                                                 controller state machine */
 #define    TX_RAMBIST_RAM33A_PASS      0x0020 /* RAM33A passed */
 #define    TX_RAMBIST_RAM32A_PASS      0x0010 /* RAM32A passed */
                                                 controller state machine */
 #define    TX_RAMBIST_RAM33A_PASS      0x0020 /* RAM33A passed */
 #define    TX_RAMBIST_RAM32A_PASS      0x0010 /* RAM32A passed */
 #define MAX_RX_DESC_RINGS              2
 #define MAX_RX_COMP_RINGS              4
 
 #define MAX_RX_DESC_RINGS              2
 #define MAX_RX_COMP_RINGS              4
 
-/* receive DMA channel configuration. default: 0x80910 
+/* receive DMA channel configuration. default: 0x80910
  * free ring size       = (1 << n)*32  -> [32 - 8k]
  * free ring size       = (1 << n)*32  -> [32 - 8k]
- * completion ring size = (1 << n)*128 -> [128 - 32k], n < 9 
+ * completion ring size = (1 << n)*128 -> [128 - 32k], n < 9
  * DEFAULT: 0x80910
  */
 #define  REG_RX_CFG                     0x4000  /* RX config */
 #define    RX_CFG_DMA_EN                0x00000001 /* enable RX DMA. 0 stops
                                                         channel as soon as current
                                                         frame xfer has completed.
  * DEFAULT: 0x80910
  */
 #define  REG_RX_CFG                     0x4000  /* RX config */
 #define    RX_CFG_DMA_EN                0x00000001 /* enable RX DMA. 0 stops
                                                         channel as soon as current
                                                         frame xfer has completed.
-                                                        driver should disable MAC 
-                                                        for 200ms before disabling 
+                                                        driver should disable MAC
+                                                        for 200ms before disabling
                                                         RX */
                                                         RX */
-#define    RX_CFG_DESC_RING_MASK        0x0000001E /* # desc entries in RX 
-                                                        free desc ring. 
+#define    RX_CFG_DESC_RING_MASK        0x0000001E /* # desc entries in RX
+                                                        free desc ring.
                                                         def: 0x8 = 8k */
 #define    RX_CFG_DESC_RING_SHIFT       1
 #define    RX_CFG_COMP_RING_MASK        0x000001E0 /* # desc entries in RX complete
                                                         ring. def: 0x8 = 32k */
 #define    RX_CFG_COMP_RING_SHIFT       5
                                                         def: 0x8 = 8k */
 #define    RX_CFG_DESC_RING_SHIFT       1
 #define    RX_CFG_COMP_RING_MASK        0x000001E0 /* # desc entries in RX complete
                                                         ring. def: 0x8 = 32k */
 #define    RX_CFG_COMP_RING_SHIFT       5
-#define    RX_CFG_BATCH_DIS             0x00000200 /* disable receive desc 
+#define    RX_CFG_BATCH_DIS             0x00000200 /* disable receive desc
                                                      batching. def: 0x0 =
                                                      enabled */
                                                      batching. def: 0x0 =
                                                      enabled */
-#define    RX_CFG_SWIVEL_MASK           0x00001C00 /* byte offset of the 1st 
-                                                     data byte of the packet 
+#define    RX_CFG_SWIVEL_MASK           0x00001C00 /* byte offset of the 1st
+                                                     data byte of the packet
                                                      w/in 8 byte boundares.
                                                      w/in 8 byte boundares.
-                                                     this swivels the data 
-                                                     DMA'ed to header 
+                                                     this swivels the data
+                                                     DMA'ed to header
                                                      buffers, jumbo buffers
                                                      when header split is not
                                                      requested and MTU sized
                                                      buffers, jumbo buffers
                                                      when header split is not
                                                      requested and MTU sized
 
 /* cassini+ only */
 #define    RX_CFG_DESC_RING1_MASK       0x000F0000 /* # of desc entries in
 
 /* cassini+ only */
 #define    RX_CFG_DESC_RING1_MASK       0x000F0000 /* # of desc entries in
-                                                        RX free desc ring 2. 
+                                                        RX free desc ring 2.
                                                         def: 0x8 = 8k */
 #define    RX_CFG_DESC_RING1_SHIFT      16
 
 
                                                         def: 0x8 = 8k */
 #define    RX_CFG_DESC_RING1_SHIFT      16
 
 
-/* the page size register allows cassini chips to do the following with 
+/* the page size register allows cassini chips to do the following with
  * received data:
  * [--------------------------------------------------------------] page
  * [off][buf1][pad][off][buf2][pad][off][buf3][pad][off][buf4][pad]
  * |--------------| = PAGE_SIZE_BUFFER_STRIDE
  * received data:
  * [--------------------------------------------------------------] page
  * [off][buf1][pad][off][buf2][pad][off][buf3][pad][off][buf4][pad]
  * |--------------| = PAGE_SIZE_BUFFER_STRIDE
- * page = PAGE_SIZE 
+ * page = PAGE_SIZE
  * offset = PAGE_SIZE_MTU_OFF
  * for the above example, MTU_BUFFER_COUNT = 4.
  * NOTE: as is apparent, you need to ensure that the following holds:
  * offset = PAGE_SIZE_MTU_OFF
  * for the above example, MTU_BUFFER_COUNT = 4.
  * NOTE: as is apparent, you need to ensure that the following holds:
 #define  REG_RX_PAGE_SIZE               0x4004  /* RX page size */
 #define    RX_PAGE_SIZE_MASK            0x00000003 /* size of pages pointed to
                                                      by receive descriptors.
 #define  REG_RX_PAGE_SIZE               0x4004  /* RX page size */
 #define    RX_PAGE_SIZE_MASK            0x00000003 /* size of pages pointed to
                                                      by receive descriptors.
-                                                     if jumbo buffers are 
-                                                     supported the page size 
+                                                     if jumbo buffers are
+                                                     supported the page size
                                                      should not be < 8k.
                                                      0b00 = 2k, 0b01 = 4k
                                                      0b10 = 8k, 0b11 = 16k
                                                      DEFAULT: 8k */
 #define    RX_PAGE_SIZE_SHIFT           0
 #define    RX_PAGE_SIZE_MTU_COUNT_MASK  0x00007800 /* # of MTU buffers the hw
                                                      should not be < 8k.
                                                      0b00 = 2k, 0b01 = 4k
                                                      0b10 = 8k, 0b11 = 16k
                                                      DEFAULT: 8k */
 #define    RX_PAGE_SIZE_SHIFT           0
 #define    RX_PAGE_SIZE_MTU_COUNT_MASK  0x00007800 /* # of MTU buffers the hw
-                                                     packs into a page. 
+                                                     packs into a page.
                                                      DEFAULT: 4 */
 #define    RX_PAGE_SIZE_MTU_COUNT_SHIFT 11
 #define    RX_PAGE_SIZE_MTU_STRIDE_MASK 0x18000000 /* # of bytes that separate
                                                      DEFAULT: 4 */
 #define    RX_PAGE_SIZE_MTU_COUNT_SHIFT 11
 #define    RX_PAGE_SIZE_MTU_STRIDE_MASK 0x18000000 /* # of bytes that separate
-                                                        each MTU buffer + 
-                                                        offset from each 
+                                                        each MTU buffer +
+                                                        offset from each
                                                         other.
                                                         0b00 = 1k, 0b01 = 2k
                                                         0b10 = 4k, 0b11 = 8k
                                                         other.
                                                         0b00 = 1k, 0b01 = 2k
                                                         0b10 = 4k, 0b11 = 8k
 #define    RX_PAGE_SIZE_MTU_STRIDE_SHIFT 27
 #define    RX_PAGE_SIZE_MTU_OFF_MASK    0xC0000000 /* offset in each page that
                                                      hw writes the MTU buffer
 #define    RX_PAGE_SIZE_MTU_STRIDE_SHIFT 27
 #define    RX_PAGE_SIZE_MTU_OFF_MASK    0xC0000000 /* offset in each page that
                                                      hw writes the MTU buffer
-                                                     into. 
-                                                     0b00 = 0,  
+                                                     into.
+                                                     0b00 = 0,
                                                      0b01 = 64 bytes
                                                      0b10 = 96, 0b11 = 128
                                                      DEFAULT: 0x1 */
 #define    RX_PAGE_SIZE_MTU_OFF_SHIFT   30
                                                      0b01 = 64 bytes
                                                      0b10 = 96, 0b11 = 128
                                                      DEFAULT: 0x1 */
 #define    RX_PAGE_SIZE_MTU_OFF_SHIFT   30
-                                                        
-/* 11-bit counter points to next location in RX FIFO to be loaded/read. 
+
+/* 11-bit counter points to next location in RX FIFO to be loaded/read.
  * shadow write pointers enable retries in case of early receive aborts.
  * DEFAULT: 0x0. generated on 64-bit boundaries.
  */
 #define  REG_RX_FIFO_WRITE_PTR             0x4008  /* RX FIFO write pointer */
 #define  REG_RX_FIFO_READ_PTR              0x400C  /* RX FIFO read pointer */
  * shadow write pointers enable retries in case of early receive aborts.
  * DEFAULT: 0x0. generated on 64-bit boundaries.
  */
 #define  REG_RX_FIFO_WRITE_PTR             0x4008  /* RX FIFO write pointer */
 #define  REG_RX_FIFO_READ_PTR              0x400C  /* RX FIFO read pointer */
-#define  REG_RX_IPP_FIFO_SHADOW_WRITE_PTR  0x4010  /* RX IPP FIFO shadow write 
+#define  REG_RX_IPP_FIFO_SHADOW_WRITE_PTR  0x4010  /* RX IPP FIFO shadow write
                                                      pointer */
 #define  REG_RX_IPP_FIFO_SHADOW_READ_PTR   0x4014  /* RX IPP FIFO shadow read
                                                      pointer */
                                                      pointer */
 #define  REG_RX_IPP_FIFO_SHADOW_READ_PTR   0x4014  /* RX IPP FIFO shadow read
                                                      pointer */
-#define  REG_RX_IPP_FIFO_READ_PTR          0x400C  /* RX IPP FIFO read 
+#define  REG_RX_IPP_FIFO_READ_PTR          0x400C  /* RX IPP FIFO read
                                                      pointer. (8-bit counter) */
 
 /* current state of RX DMA state engines + other info
                                                      pointer. (8-bit counter) */
 
 /* current state of RX DMA state engines + other info
                                                         0x2 = wait xon
                                                         0x3 = wait xon ack */
 #define    RX_DEBUG_DATA_STATE_MASK        0x000001E00 /* unload data state machine
                                                         0x2 = wait xon
                                                         0x3 = wait xon ack */
 #define    RX_DEBUG_DATA_STATE_MASK        0x000001E00 /* unload data state machine
-                                                        states: 
+                                                        states:
                                                         0x0 = idle data
                                                         0x1 = header begin
                                                         0x2 = xfer header
                                                         0x0 = idle data
                                                         0x1 = header begin
                                                         0x2 = xfer header
                                                         0x5 = xfer mtu
                                                         0x6 = xfer mtu ld
                                                         0x7 = jumbo begin
                                                         0x5 = xfer mtu
                                                         0x6 = xfer mtu ld
                                                         0x7 = jumbo begin
-                                                        0x8 = xfer jumbo 
+                                                        0x8 = xfer jumbo
                                                         0x9 = xfer jumbo ld
                                                         0xa = reas begin
                                                         0xb = xfer reas
                                                         0x9 = xfer jumbo ld
                                                         0xa = reas begin
                                                         0xb = xfer reas
  * XOFF PAUSE uses pause time value pre-programmed in the Send PAUSE MAC reg
  * XON PAUSE uses a pause time of 0. granularity of threshold is 64bytes.
  * PAUSE thresholds defined in terms of FIFO occupancy and may be translated
  * XOFF PAUSE uses pause time value pre-programmed in the Send PAUSE MAC reg
  * XON PAUSE uses a pause time of 0. granularity of threshold is 64bytes.
  * PAUSE thresholds defined in terms of FIFO occupancy and may be translated
- * into FIFO vacancy using RX_FIFO_SIZE. setting ON will trigger XON frames 
+ * into FIFO vacancy using RX_FIFO_SIZE. setting ON will trigger XON frames
  * when FIFO reaches 0. OFF threshold should not be > size of RX FIFO. max
  * when FIFO reaches 0. OFF threshold should not be > size of RX FIFO. max
- * value is is 0x6F. 
+ * value is is 0x6F.
  * DEFAULT: 0x00078
  */
 #define  REG_RX_PAUSE_THRESH               0x4020  /* RX pause thresholds */
 #define    RX_PAUSE_THRESH_QUANTUM         64
 #define    RX_PAUSE_THRESH_OFF_MASK        0x000001FF /* XOFF PAUSE emitted when
  * DEFAULT: 0x00078
  */
 #define  REG_RX_PAUSE_THRESH               0x4020  /* RX pause thresholds */
 #define    RX_PAUSE_THRESH_QUANTUM         64
 #define    RX_PAUSE_THRESH_OFF_MASK        0x000001FF /* XOFF PAUSE emitted when
-                                                        RX FIFO occupancy > 
+                                                        RX FIFO occupancy >
                                                         value*64B */
 #define    RX_PAUSE_THRESH_OFF_SHIFT       0
 #define    RX_PAUSE_THRESH_ON_MASK         0x001FF000 /* XON PAUSE emitted after
                                                         value*64B */
 #define    RX_PAUSE_THRESH_OFF_SHIFT       0
 #define    RX_PAUSE_THRESH_ON_MASK         0x001FF000 /* XON PAUSE emitted after
 #define    RX_PAUSE_THRESH_ON_SHIFT        12
 
 /* 13-bit register used to control RX desc fetching and intr generation. if 4+
 #define    RX_PAUSE_THRESH_ON_SHIFT        12
 
 /* 13-bit register used to control RX desc fetching and intr generation. if 4+
- * valid RX descriptors are available, Cassini will read 4 at a time. 
+ * valid RX descriptors are available, Cassini will read 4 at a time.
  * writing N means that all desc up to *but* excluding N are available. N must
  * writing N means that all desc up to *but* excluding N are available. N must
- * be a multiple of 4 (N % 4 = 0). first desc should be cache-line aligned. 
+ * be a multiple of 4 (N % 4 = 0). first desc should be cache-line aligned.
  * DEFAULT: 0 on reset
  */
 #define  REG_RX_KICK                    0x4024  /* RX kick reg */
  * DEFAULT: 0 on reset
  */
 #define  REG_RX_KICK                    0x4024  /* RX kick reg */
 /* 8KB aligned 64-bit pointer to the base of the RX free/completion rings.
  * lower 13 bits of the low register are hard-wired to 0.
  */
 /* 8KB aligned 64-bit pointer to the base of the RX free/completion rings.
  * lower 13 bits of the low register are hard-wired to 0.
  */
-#define  REG_RX_DB_LOW                     0x4028  /* RX descriptor ring 
+#define  REG_RX_DB_LOW                     0x4028  /* RX descriptor ring
                                                         base low */
 #define  REG_RX_DB_HI                      0x402C  /* RX descriptor ring
                                                         base hi */
 #define  REG_RX_CB_LOW                     0x4030  /* RX completion ring
                                                         base low */
                                                         base low */
 #define  REG_RX_DB_HI                      0x402C  /* RX descriptor ring
                                                         base hi */
 #define  REG_RX_CB_LOW                     0x4030  /* RX completion ring
                                                         base low */
-#define  REG_RX_CB_HI                      0x4034  /* RX completion ring 
+#define  REG_RX_CB_HI                      0x4034  /* RX completion ring
                                                         base hi */
 /* 13-bit register indicate desc used by cassini for receive frames. used
                                                         base hi */
 /* 13-bit register indicate desc used by cassini for receive frames. used
- * for diagnostic purposes. 
+ * for diagnostic purposes.
  * DEFAULT: 0 on reset
  */
 #define  REG_RX_COMP                       0x4038  /* (ro) RX completion */
  * DEFAULT: 0 on reset
  */
 #define  REG_RX_COMP                       0x4038  /* (ro) RX completion */
 /* values used for receive interrupt blanking. loaded each time the ISR is read
  * DEFAULT: 0x00000000
  */
 /* values used for receive interrupt blanking. loaded each time the ISR is read
  * DEFAULT: 0x00000000
  */
-#define  REG_RX_BLANK                      0x4044  /* RX blanking register 
+#define  REG_RX_BLANK                      0x4044  /* RX blanking register
                                                         for ISR read */
                                                         for ISR read */
-#define    RX_BLANK_INTR_PKT_MASK          0x000001FF /* RX_DONE intr asserted if 
+#define    RX_BLANK_INTR_PKT_MASK          0x000001FF /* RX_DONE intr asserted if
                                                         this many sets of completion
                                                         writebacks (up to 2 packets)
                                                         occur since the last time
                                                         this many sets of completion
                                                         writebacks (up to 2 packets)
                                                         occur since the last time
 #define    RX_BLANK_INTR_TIME_MASK         0x3FFFF000 /* RX_DONE interrupt asserted
                                                         if that many clocks were
                                                         counted since last time the
 #define    RX_BLANK_INTR_TIME_MASK         0x3FFFF000 /* RX_DONE interrupt asserted
                                                         if that many clocks were
                                                         counted since last time the
-                                                        ISR was read. 
+                                                        ISR was read.
                                                         each count is 512 core
                                                         clocks (125MHz). 0 = no
                                                         time blanking */
 #define    RX_BLANK_INTR_TIME_SHIFT        12
 
                                                         each count is 512 core
                                                         clocks (125MHz). 0 = no
                                                         time blanking */
 #define    RX_BLANK_INTR_TIME_SHIFT        12
 
-/* values used for interrupt generation based on threshold values of how 
+/* values used for interrupt generation based on threshold values of how
  * many free desc and completion entries are available for hw use.
  * DEFAULT: 0x00000000
  */
  * many free desc and completion entries are available for hw use.
  * DEFAULT: 0x00000000
  */
-#define  REG_RX_AE_THRESH                  0x4048  /* RX almost empty 
+#define  REG_RX_AE_THRESH                  0x4048  /* RX almost empty
                                                         thresholds */
                                                         thresholds */
-#define    RX_AE_THRESH_FREE_MASK          0x00001FFF /* RX_BUF_AE will be 
+#define    RX_AE_THRESH_FREE_MASK          0x00001FFF /* RX_BUF_AE will be
                                                         generated if # desc
                                                         generated if # desc
-                                                        avail for hw use <= 
+                                                        avail for hw use <=
                                                         # */
 #define    RX_AE_THRESH_FREE_SHIFT         0
 #define    RX_AE_THRESH_COMP_MASK          0x0FFFE000 /* RX_COMP_AE will be
                                                         # */
 #define    RX_AE_THRESH_FREE_SHIFT         0
 #define    RX_AE_THRESH_COMP_MASK          0x0FFFE000 /* RX_COMP_AE will be
-                                                        generated if # of 
+                                                        generated if # of
                                                         completion entries
                                                         completion entries
-                                                        avail for hw use <= 
+                                                        avail for hw use <=
                                                         # */
 #define    RX_AE_THRESH_COMP_SHIFT         13
 
                                                         # */
 #define    RX_AE_THRESH_COMP_SHIFT         13
 
-/* probabilities for random early drop (RED) thresholds on a FIFO threshold 
- * basis. probability should increase when the FIFO level increases. control 
- * packets are never dropped and not counted in stats. probability programmed 
+/* probabilities for random early drop (RED) thresholds on a FIFO threshold
+ * basis. probability should increase when the FIFO level increases. control
+ * packets are never dropped and not counted in stats. probability programmed
  * on a 12.5% granularity. e.g., 0x1 = 1/8 packets dropped.
  * DEFAULT: 0x00000000
  */
  * on a 12.5% granularity. e.g., 0x1 = 1/8 packets dropped.
  * DEFAULT: 0x00000000
  */
 #define    RX_RED_8K_10K_FIFO_MASK       0x00FF0000 /*  8KB < FIFO thresh < 10KB */
 #define    RX_RED_10K_12K_FIFO_MASK      0xFF000000 /* 10KB < FIFO thresh < 12KB */
 
 #define    RX_RED_8K_10K_FIFO_MASK       0x00FF0000 /*  8KB < FIFO thresh < 10KB */
 #define    RX_RED_10K_12K_FIFO_MASK      0xFF000000 /* 10KB < FIFO thresh < 12KB */
 
-/* FIFO fullness levels for RX FIFO, RX control FIFO, and RX IPP FIFO. 
- * RX control FIFO = # of packets in RX FIFO. 
+/* FIFO fullness levels for RX FIFO, RX control FIFO, and RX IPP FIFO.
+ * RX control FIFO = # of packets in RX FIFO.
  * DEFAULT: 0x0
  */
 #define  REG_RX_FIFO_FULLNESS              0x4050  /* (ro) RX FIFO fullness */
  * DEFAULT: 0x0
  */
 #define  REG_RX_FIFO_FULLNESS              0x4050  /* (ro) RX FIFO fullness */
 #define    RX_FIFO_FULLNESS_RX_PKT_MASK    0x000000FF /* # packets in RX FIFO */
 #define  REG_RX_IPP_PACKET_COUNT           0x4054  /* RX IPP packet counter */
 #define  REG_RX_WORK_DMA_PTR_LOW           0x4058  /* RX working DMA ptr low */
 #define    RX_FIFO_FULLNESS_RX_PKT_MASK    0x000000FF /* # packets in RX FIFO */
 #define  REG_RX_IPP_PACKET_COUNT           0x4054  /* RX IPP packet counter */
 #define  REG_RX_WORK_DMA_PTR_LOW           0x4058  /* RX working DMA ptr low */
-#define  REG_RX_WORK_DMA_PTR_HI            0x405C  /* RX working DMA ptr 
+#define  REG_RX_WORK_DMA_PTR_HI            0x405C  /* RX working DMA ptr
                                                      high */
 
 /* BIST testing ro RX FIFO, RX control FIFO, and RX IPP FIFO. only RX BIST
  * START/COMPLETE is writeable. START will clear when the BIST has completed
                                                      high */
 
 /* BIST testing ro RX FIFO, RX control FIFO, and RX IPP FIFO. only RX BIST
  * START/COMPLETE is writeable. START will clear when the BIST has completed
- * checking all 17 RAMS. 
+ * checking all 17 RAMS.
  * DEFAULT: 0bxxxx xxxxx xxxx xxxx xxxx x000 0000 0000 00x0
  */
 #define  REG_RX_BIST                       0x4060  /* (ro) RX BIST */
  * DEFAULT: 0bxxxx xxxxx xxxx xxxx xxxx x000 0000 0000 00x0
  */
 #define  REG_RX_BIST                       0x4060  /* (ro) RX BIST */
 #define    RX_BIST_REAS_27_PASS            0x00080000 /* RX Reas 27 passed */
 #define    RX_BIST_STATE_MASK              0x00078000 /* BIST state machine */
 #define    RX_BIST_SUMMARY                 0x00000002 /* when BIST complete,
 #define    RX_BIST_REAS_27_PASS            0x00080000 /* RX Reas 27 passed */
 #define    RX_BIST_STATE_MASK              0x00078000 /* BIST state machine */
 #define    RX_BIST_SUMMARY                 0x00000002 /* when BIST complete,
-                                                        summary pass bit 
+                                                        summary pass bit
                                                         contains AND of BIST
                                                         results of all 16
                                                         RAMS */
                                                         contains AND of BIST
                                                         results of all 16
                                                         RAMS */
-#define    RX_BIST_START                   0x00000001 /* write 1 to start 
+#define    RX_BIST_START                   0x00000001 /* write 1 to start
                                                         BIST. self clears
                                                         on completion. */
 
 /* next location in RX CTRL FIFO that will be loaded w/ data from RX IPP/read
                                                         BIST. self clears
                                                         on completion. */
 
 /* next location in RX CTRL FIFO that will be loaded w/ data from RX IPP/read
- * from to retrieve packet control info. 
+ * from to retrieve packet control info.
  * DEFAULT: 0
  */
  * DEFAULT: 0
  */
-#define  REG_RX_CTRL_FIFO_WRITE_PTR        0x4064  /* (ro) RX control FIFO 
+#define  REG_RX_CTRL_FIFO_WRITE_PTR        0x4064  /* (ro) RX control FIFO
                                                      write ptr */
 #define  REG_RX_CTRL_FIFO_READ_PTR         0x4068  /* (ro) RX control FIFO read
                                                      ptr */
 
 /* receive interrupt blanking. loaded each time interrupt alias register is
                                                      write ptr */
 #define  REG_RX_CTRL_FIFO_READ_PTR         0x4068  /* (ro) RX control FIFO read
                                                      ptr */
 
 /* receive interrupt blanking. loaded each time interrupt alias register is
- * read. 
+ * read.
  * DEFAULT: 0x0
  */
 #define  REG_RX_BLANK_ALIAS_READ           0x406C  /* RX blanking register for
                                                      alias read */
  * DEFAULT: 0x0
  */
 #define  REG_RX_BLANK_ALIAS_READ           0x406C  /* RX blanking register for
                                                      alias read */
-#define    RX_BAR_INTR_PACKET_MASK         0x000001FF /* assert RX_DONE if # 
-                                                        completion writebacks 
-                                                        > # since last ISR 
-                                                        read. 0 = no 
-                                                        blanking. up to 2 
-                                                        packets per 
+#define    RX_BAR_INTR_PACKET_MASK         0x000001FF /* assert RX_DONE if #
+                                                        completion writebacks
+                                                        > # since last ISR
+                                                        read. 0 = no
+                                                        blanking. up to 2
+                                                        packets per
                                                         completion wb. */
 #define    RX_BAR_INTR_TIME_MASK           0x3FFFF000 /* assert RX_DONE if #
                                                         clocks > # since last
                                                         ISR read. each count
                                                         is 512 core clocks
                                                         completion wb. */
 #define    RX_BAR_INTR_TIME_MASK           0x3FFFF000 /* assert RX_DONE if #
                                                         clocks > # since last
                                                         ISR read. each count
                                                         is 512 core clocks
-                                                        (125MHz). 0 = no 
+                                                        (125MHz). 0 = no
                                                         blanking. */
 
 /* diagnostic access to RX FIFO. 32 LSB accessed via DATA_LOW. 32 MSB accessed
                                                         blanking. */
 
 /* diagnostic access to RX FIFO. 32 LSB accessed via DATA_LOW. 32 MSB accessed
  * should be last write access of the write sequence.
  * DEFAULT: undefined
  */
  * should be last write access of the write sequence.
  * DEFAULT: undefined
  */
-#define  REG_RX_CTRL_FIFO_ADDR             0x4094  /* RX Control FIFO and 
+#define  REG_RX_CTRL_FIFO_ADDR             0x4094  /* RX Control FIFO and
                                                      Batching FIFO addr */
                                                      Batching FIFO addr */
-#define  REG_RX_CTRL_FIFO_DATA_LOW         0x4098  /* RX Control FIFO data 
+#define  REG_RX_CTRL_FIFO_DATA_LOW         0x4098  /* RX Control FIFO data
                                                      low */
                                                      low */
-#define  REG_RX_CTRL_FIFO_DATA_MID         0x409C  /* RX Control FIFO data 
+#define  REG_RX_CTRL_FIFO_DATA_MID         0x409C  /* RX Control FIFO data
                                                      mid */
                                                      mid */
-#define  REG_RX_CTRL_FIFO_DATA_HI          0x4100  /* RX Control FIFO data 
+#define  REG_RX_CTRL_FIFO_DATA_HI          0x4100  /* RX Control FIFO data
                                                      hi and flow id */
 #define    RX_CTRL_FIFO_DATA_HI_CTRL       0x0001  /* upper bit of ctrl word */
 #define    RX_CTRL_FIFO_DATA_HI_FLOW_MASK  0x007E  /* flow id */
                                                      hi and flow id */
 #define    RX_CTRL_FIFO_DATA_HI_CTRL       0x0001  /* upper bit of ctrl word */
 #define    RX_CTRL_FIFO_DATA_HI_FLOW_MASK  0x007E  /* flow id */
                                                      T1 */
 
 /* 64-bit pointer to receive data buffer in host memory used for headers and
                                                      T1 */
 
 /* 64-bit pointer to receive data buffer in host memory used for headers and
- * small packets. MSB in high register. loaded by DMA state machine and 
+ * small packets. MSB in high register. loaded by DMA state machine and
  * increments as DMA writes receive data. only 50 LSB are incremented. top
  * 13 bits taken from RX descriptor.
  * DEFAULT: undefined
  * increments as DMA writes receive data. only 50 LSB are incremented. top
  * 13 bits taken from RX descriptor.
  * DEFAULT: undefined
                                                      low */
 #define  REG_RX_HEADER_PAGE_PTR_HI         0x411C  /* (ro) RX header page ptr
                                                      high */
                                                      low */
 #define  REG_RX_HEADER_PAGE_PTR_HI         0x411C  /* (ro) RX header page ptr
                                                      high */
-#define  REG_RX_MTU_PAGE_PTR_LOW           0x4120  /* (ro) RX MTU page pointer 
+#define  REG_RX_MTU_PAGE_PTR_LOW           0x4120  /* (ro) RX MTU page pointer
                                                      low */
                                                      low */
-#define  REG_RX_MTU_PAGE_PTR_HI            0x4124  /* (ro) RX MTU page pointer 
+#define  REG_RX_MTU_PAGE_PTR_HI            0x4124  /* (ro) RX MTU page pointer
                                                      high */
 
 /* PIO diagnostic access to RX reassembly DMA Table RAM. 6-bit register holds
  * one of 64 79-bit locations in the RX Reassembly DMA table and the addr of
                                                      high */
 
 /* PIO diagnostic access to RX reassembly DMA Table RAM. 6-bit register holds
  * one of 64 79-bit locations in the RX Reassembly DMA table and the addr of
- * one of the 64 byte locations in the Batching table. LOW holds 32 LSB. 
+ * one of the 64 byte locations in the Batching table. LOW holds 32 LSB.
  * MID holds the next 32 LSB. HIGH holds the 15 MSB. RX_DMA_EN must be set
  * to 0 for PIO access. DATA_HIGH should be last write of write sequence.
  * MID holds the next 32 LSB. HIGH holds the 15 MSB. RX_DMA_EN must be set
  * to 0 for PIO access. DATA_HIGH should be last write of write sequence.
- * layout:  
+ * layout:
  * reassmbl ptr [78:15] | reassmbl index [14:1] | reassmbl entry valid [0]
  * DEFAULT: undefined
  */
  * reassmbl ptr [78:15] | reassmbl index [14:1] | reassmbl entry valid [0]
  * DEFAULT: undefined
  */
 
 #define  REG_RX_TABLE_DATA_LOW         0x412C  /* RX reassembly DMA table
                                                  data low */
 
 #define  REG_RX_TABLE_DATA_LOW         0x412C  /* RX reassembly DMA table
                                                  data low */
-#define  REG_RX_TABLE_DATA_MID         0x4130  /* RX reassembly DMA table 
+#define  REG_RX_TABLE_DATA_MID         0x4130  /* RX reassembly DMA table
                                                  data mid */
 #define  REG_RX_TABLE_DATA_HI          0x4134  /* RX reassembly DMA table
                                                  data high */
                                                  data mid */
 #define  REG_RX_TABLE_DATA_HI          0x4134  /* RX reassembly DMA table
                                                  data high */
 #define  REG_PLUS_RX_CBN_LOW(x)        (REG_PLUS_RX_CB1_LOW + 8*((x) - 1))
 #define  REG_PLUS_RX_CBN_HI(x)         (REG_PLUS_RX_CB1_HI + 8*((x) - 1))
 #define  REG_PLUS_RX_KICK1             0x4220  /* RX Kick 2 register */
 #define  REG_PLUS_RX_CBN_LOW(x)        (REG_PLUS_RX_CB1_LOW + 8*((x) - 1))
 #define  REG_PLUS_RX_CBN_HI(x)         (REG_PLUS_RX_CB1_HI + 8*((x) - 1))
 #define  REG_PLUS_RX_KICK1             0x4220  /* RX Kick 2 register */
-#define  REG_PLUS_RX_COMP1             0x4224  /* (ro) RX completion 2 
+#define  REG_PLUS_RX_COMP1             0x4224  /* (ro) RX completion 2
                                                  reg */
                                                  reg */
-#define  REG_PLUS_RX_COMP1_HEAD        0x4228  /* (ro) RX completion 2 
+#define  REG_PLUS_RX_COMP1_HEAD        0x4228  /* (ro) RX completion 2
                                                  head reg. 4 total. */
                                                  head reg. 4 total. */
-#define  REG_PLUS_RX_COMP1_TAIL        0x422C  /* RX completion 2 
+#define  REG_PLUS_RX_COMP1_TAIL        0x422C  /* RX completion 2
                                                  tail reg. 4 total. */
 #define  REG_PLUS_RX_COMPN_HEAD(x)    (REG_PLUS_RX_COMP1_HEAD + 8*((x) - 1))
 #define  REG_PLUS_RX_COMPN_TAIL(x)    (REG_PLUS_RX_COMP1_TAIL + 8*((x) - 1))
                                                  tail reg. 4 total. */
 #define  REG_PLUS_RX_COMPN_HEAD(x)    (REG_PLUS_RX_COMP1_HEAD + 8*((x) - 1))
 #define  REG_PLUS_RX_COMPN_TAIL(x)    (REG_PLUS_RX_COMP1_TAIL + 8*((x) - 1))
 
 /** header parser registers **/
 
 
 /** header parser registers **/
 
-/* RX parser configuration register. 
+/* RX parser configuration register.
  * DEFAULT: 0x1651004
  */
  * DEFAULT: 0x1651004
  */
-#define  REG_HP_CFG                       0x4140  /* header parser 
+#define  REG_HP_CFG                       0x4140  /* header parser
                                                     configuration reg */
 #define    HP_CFG_PARSE_EN                0x00000001 /* enab header parsing */
                                                     configuration reg */
 #define    HP_CFG_PARSE_EN                0x00000001 /* enab header parsing */
-#define    HP_CFG_NUM_CPU_MASK            0x000000FC /* # processors 
+#define    HP_CFG_NUM_CPU_MASK            0x000000FC /* # processors
                                                      0 = 64. 0x3f = 63 */
 #define    HP_CFG_NUM_CPU_SHIFT           2
 #define    HP_CFG_SYN_INC_MASK            0x00000100 /* SYN bit won't increment
                                                      0 = 64. 0x3f = 63 */
 #define    HP_CFG_NUM_CPU_SHIFT           2
 #define    HP_CFG_SYN_INC_MASK            0x00000100 /* SYN bit won't increment
 /* access to RX Instruction RAM. 5-bit register/counter holds addr
  * of 39 bit entry to be read/written. 32 LSB in _DATA_LOW. 7 MSB in _DATA_HI.
  * RX_DMA_EN must be 0 for RX instr PIO access. DATA_HI should be last access
 /* access to RX Instruction RAM. 5-bit register/counter holds addr
  * of 39 bit entry to be read/written. 32 LSB in _DATA_LOW. 7 MSB in _DATA_HI.
  * RX_DMA_EN must be 0 for RX instr PIO access. DATA_HI should be last access
- * of sequence. 
+ * of sequence.
  * DEFAULT: undefined
  */
 #define  REG_HP_INSTR_RAM_ADDR             0x4144  /* HP instruction RAM
  * DEFAULT: undefined
  */
 #define  REG_HP_INSTR_RAM_ADDR             0x4144  /* HP instruction RAM
 #define    HP_INSTR_RAM_LOW_OUTEN_SHIFT    20
 #define    HP_INSTR_RAM_LOW_OUTARG_MASK    0xFFC00000
 #define    HP_INSTR_RAM_LOW_OUTARG_SHIFT   22
 #define    HP_INSTR_RAM_LOW_OUTEN_SHIFT    20
 #define    HP_INSTR_RAM_LOW_OUTARG_MASK    0xFFC00000
 #define    HP_INSTR_RAM_LOW_OUTARG_SHIFT   22
-#define  REG_HP_INSTR_RAM_DATA_MID         0x414C  /* HP instruction RAM 
+#define  REG_HP_INSTR_RAM_DATA_MID         0x414C  /* HP instruction RAM
                                                      data mid */
 #define    HP_INSTR_RAM_MID_OUTARG_MASK    0x00000003
 #define    HP_INSTR_RAM_MID_OUTARG_SHIFT   0
                                                      data mid */
 #define    HP_INSTR_RAM_MID_OUTARG_MASK    0x00000003
 #define    HP_INSTR_RAM_MID_OUTARG_SHIFT   0
  * 11-bit register. Data fills the LSB portion of bus if less than 32 bits.
  * DATA_RAM: write RAM_FDB_DATA with index to access DATA_RAM.
  * RAM bytes = 4*(x - 1) + [3:0]. e.g., 0 -> [3:0], 31 -> [123:120]
  * 11-bit register. Data fills the LSB portion of bus if less than 32 bits.
  * DATA_RAM: write RAM_FDB_DATA with index to access DATA_RAM.
  * RAM bytes = 4*(x - 1) + [3:0]. e.g., 0 -> [3:0], 31 -> [123:120]
- * FLOWDB: write DATA_RAM_FDB register and then read/write FDB1-12 to access 
+ * FLOWDB: write DATA_RAM_FDB register and then read/write FDB1-12 to access
  * flow database.
  * RX_DMA_EN must be 0 for RX parser RAM PIO access. RX Parser RAM data reg
  * should be the last write access of the write sequence.
  * flow database.
  * RX_DMA_EN must be 0 for RX parser RAM PIO access. RX Parser RAM data reg
  * should be the last write access of the write sequence.
  */
 #define  REG_HP_DATA_RAM_FDB_ADDR          0x4154  /* HP data and FDB
                                                      RAM address */
  */
 #define  REG_HP_DATA_RAM_FDB_ADDR          0x4154  /* HP data and FDB
                                                      RAM address */
-#define    HP_DATA_RAM_FDB_DATA_MASK       0x001F  /* select 1 of 86 byte 
-                                                     locations in header 
-                                                     parser data ram to 
+#define    HP_DATA_RAM_FDB_DATA_MASK       0x001F  /* select 1 of 86 byte
+                                                     locations in header
+                                                     parser data ram to
                                                      read/write */
 #define    HP_DATA_RAM_FDB_FDB_MASK        0x3F00  /* 1 of 64 353-bit locations
                                                      in the flow database */
 #define  REG_HP_DATA_RAM_DATA              0x4158  /* HP data RAM data */
 
                                                      read/write */
 #define    HP_DATA_RAM_FDB_FDB_MASK        0x3F00  /* 1 of 64 353-bit locations
                                                      in the flow database */
 #define  REG_HP_DATA_RAM_DATA              0x4158  /* HP data RAM data */
 
-/* HP flow database registers: 1 - 12, 0x415C - 0x4188, 4 8-bit bytes 
+/* HP flow database registers: 1 - 12, 0x415C - 0x4188, 4 8-bit bytes
  * FLOW_DB(1) = IP_SA[127:96], FLOW_DB(2) = IP_SA[95:64]
  * FLOW_DB(1) = IP_SA[127:96], FLOW_DB(2) = IP_SA[95:64]
- * FLOW_DB(3) = IP_SA[63:32],  FLOW_DB(4) = IP_SA[31:0] 
+ * FLOW_DB(3) = IP_SA[63:32],  FLOW_DB(4) = IP_SA[31:0]
  * FLOW_DB(5) = IP_DA[127:96], FLOW_DB(6) = IP_DA[95:64]
  * FLOW_DB(7) = IP_DA[63:32],  FLOW_DB(8) = IP_DA[31:0]
  * FLOW_DB(9) = {TCP_SP[15:0],TCP_DP[15:0]}
  * FLOW_DB(5) = IP_DA[127:96], FLOW_DB(6) = IP_DA[95:64]
  * FLOW_DB(7) = IP_DA[63:32],  FLOW_DB(8) = IP_DA[31:0]
  * FLOW_DB(9) = {TCP_SP[15:0],TCP_DP[15:0]}
 #define  REG_HP_FLOW_DB0                   0x415C  /* HP flow database 1 reg */
 #define  REG_HP_FLOW_DBN(x)                (REG_HP_FLOW_DB0 + (x)*4)
 
 #define  REG_HP_FLOW_DB0                   0x415C  /* HP flow database 1 reg */
 #define  REG_HP_FLOW_DBN(x)                (REG_HP_FLOW_DB0 + (x)*4)
 
-/* diagnostics for RX Header Parser block. 
+/* diagnostics for RX Header Parser block.
  * ASUN: the header parser state machine register is used for diagnostics
  * purposes. however, the spec doesn't have any details on it.
  */
  * ASUN: the header parser state machine register is used for diagnostics
  * purposes. however, the spec doesn't have any details on it.
  */
 #define  REG_HP_STATUS0                    0x4190  /* (ro) HP status 1 */
 #define    HP_STATUS0_SAP_MASK             0xFFFF0000 /* SAP */
 #define    HP_STATUS0_L3_OFF_MASK          0x0000FE00 /* L3 offset */
 #define  REG_HP_STATUS0                    0x4190  /* (ro) HP status 1 */
 #define    HP_STATUS0_SAP_MASK             0xFFFF0000 /* SAP */
 #define    HP_STATUS0_L3_OFF_MASK          0x0000FE00 /* L3 offset */
-#define    HP_STATUS0_LB_CPUNUM_MASK       0x000001F8 /* load balancing CPU 
+#define    HP_STATUS0_LB_CPUNUM_MASK       0x000001F8 /* load balancing CPU
                                                         number */
 #define    HP_STATUS0_HRP_OPCODE_MASK      0x00000007 /* HRP opcode */
 
                                                         number */
 #define    HP_STATUS0_HRP_OPCODE_MASK      0x00000007 /* HRP opcode */
 
 
 #define  REG_HP_STATUS2                    0x4198  /* (ro) HP status 3 */
 #define    HP_STATUS2_ACCUR2_MASK          0xF0000000 /* accu R2[3:0] */
 
 #define  REG_HP_STATUS2                    0x4198  /* (ro) HP status 3 */
 #define    HP_STATUS2_ACCUR2_MASK          0xF0000000 /* accu R2[3:0] */
-#define    HP_STATUS2_CSUM_OFF_MASK        0x07F00000 /* checksum start 
+#define    HP_STATUS2_CSUM_OFF_MASK        0x07F00000 /* checksum start
                                                         start offset */
 #define    HP_STATUS2_ACCUR1_MASK          0x000FE000 /* accu R1 */
 #define    HP_STATUS2_FORCE_DROP           0x00001000 /* force drop */
                                                         start offset */
 #define    HP_STATUS2_ACCUR1_MASK          0x000FE000 /* accu R1 */
 #define    HP_STATUS2_FORCE_DROP           0x00001000 /* force drop */
-#define    HP_STATUS2_BWO_REASSM           0x00000800 /* batching w/o 
+#define    HP_STATUS2_BWO_REASSM           0x00000800 /* batching w/o
                                                         reassembly */
 #define    HP_STATUS2_JH_SPLIT_EN          0x00000400 /* jumbo header split
                                                         enable */
                                                         reassembly */
 #define    HP_STATUS2_JH_SPLIT_EN          0x00000400 /* jumbo header split
                                                         enable */
                                                         check */
 #define    HP_STATUS2_DATA_MASK_ZERO       0x00000100 /* mask of data length
                                                         equal to zero */
                                                         check */
 #define    HP_STATUS2_DATA_MASK_ZERO       0x00000100 /* mask of data length
                                                         equal to zero */
-#define    HP_STATUS2_FORCE_TCP_CHECK      0x00000080 /* force tcp payload 
+#define    HP_STATUS2_FORCE_TCP_CHECK      0x00000080 /* force tcp payload
                                                         chk */
                                                         chk */
-#define    HP_STATUS2_MASK_TCP_THRESH      0x00000040 /* mask of payload 
+#define    HP_STATUS2_MASK_TCP_THRESH      0x00000040 /* mask of payload
                                                         threshold */
 #define    HP_STATUS2_NO_ASSIST            0x00000020 /* no assist */
 #define    HP_STATUS2_CTRL_PACKET_FLAG     0x00000010 /* control packet flag */
                                                         threshold */
 #define    HP_STATUS2_NO_ASSIST            0x00000020 /* no assist */
 #define    HP_STATUS2_CTRL_PACKET_FLAG     0x00000010 /* control packet flag */
 #define    HP_RAM_BIST_HP_INSTR2_PASS      0x10000000 /* HP instr ram 2 */
 #define    HP_RAM_BIST_FDBM_AGE0_PASS      0x08000000 /* FDBM aging RAM0 */
 #define    HP_RAM_BIST_FDBM_AGE1_PASS      0x04000000 /* FDBM aging RAM1 */
 #define    HP_RAM_BIST_HP_INSTR2_PASS      0x10000000 /* HP instr ram 2 */
 #define    HP_RAM_BIST_FDBM_AGE0_PASS      0x08000000 /* FDBM aging RAM0 */
 #define    HP_RAM_BIST_FDBM_AGE1_PASS      0x04000000 /* FDBM aging RAM1 */
-#define    HP_RAM_BIST_FDBM_FLOWID00_PASS  0x02000000 /* FDBM flowid RAM0 
+#define    HP_RAM_BIST_FDBM_FLOWID00_PASS  0x02000000 /* FDBM flowid RAM0
                                                         bank 0 */
 #define    HP_RAM_BIST_FDBM_FLOWID10_PASS  0x01000000 /* FDBM flowid RAM1
                                                         bank 0 */
                                                         bank 0 */
 #define    HP_RAM_BIST_FDBM_FLOWID10_PASS  0x01000000 /* FDBM flowid RAM1
                                                         bank 0 */
 /* execute a pause flow control frame transmission
  DEFAULT: 0x0XXXX */
 #define  REG_MAC_SEND_PAUSE                0x6008  /* send pause command reg */
 /* execute a pause flow control frame transmission
  DEFAULT: 0x0XXXX */
 #define  REG_MAC_SEND_PAUSE                0x6008  /* send pause command reg */
-#define    MAC_SEND_PAUSE_TIME_MASK        0x0000FFFF /* value of pause time 
+#define    MAC_SEND_PAUSE_TIME_MASK        0x0000FFFF /* value of pause time
                                                         to be sent on network
                                                         to be sent on network
-                                                        in units of slot 
+                                                        in units of slot
                                                         times */
 #define    MAC_SEND_PAUSE_SEND             0x00010000 /* send pause flow ctrl
                                                         frame on network */
 
 /* bit set indicates that event occurred. auto-cleared when status register
                                                         times */
 #define    MAC_SEND_PAUSE_SEND             0x00010000 /* send pause flow ctrl
                                                         frame on network */
 
 /* bit set indicates that event occurred. auto-cleared when status register
- * is read and have corresponding mask bits in mask register. events will 
- * trigger an interrupt if the corresponding mask bit is 0. 
+ * is read and have corresponding mask bits in mask register. events will
+ * trigger an interrupt if the corresponding mask bit is 0.
  * status register default: 0x00000000
  * mask register default = 0xFFFFFFFF on reset
  */
 #define  REG_MAC_TX_STATUS                 0x6010  /* TX MAC status reg */
  * status register default: 0x00000000
  * mask register default = 0xFFFFFFFF on reset
  */
 #define  REG_MAC_TX_STATUS                 0x6010  /* TX MAC status reg */
-#define    MAC_TX_FRAME_XMIT               0x0001  /* successful frame 
+#define    MAC_TX_FRAME_XMIT               0x0001  /* successful frame
                                                      transmision */
                                                      transmision */
-#define    MAC_TX_UNDERRUN                 0x0002  /* terminated frame 
+#define    MAC_TX_UNDERRUN                 0x0002  /* terminated frame
                                                      transmission due to
                                                      transmission due to
-                                                     data starvation in the 
+                                                     data starvation in the
                                                      xmit data path */
 #define    MAC_TX_MAX_PACKET_ERR           0x0004  /* frame exceeds max allowed
                                                      length passed to TX MAC
                                                      xmit data path */
 #define    MAC_TX_MAX_PACKET_ERR           0x0004  /* frame exceeds max allowed
                                                      length passed to TX MAC
 #define  REG_MAC_RX_STATUS                 0x6014  /* RX MAC status reg */
 #define    MAC_RX_FRAME_RECV               0x0001  /* successful receipt of
                                                      a frame */
 #define  REG_MAC_RX_STATUS                 0x6014  /* RX MAC status reg */
 #define    MAC_RX_FRAME_RECV               0x0001  /* successful receipt of
                                                      a frame */
-#define    MAC_RX_OVERFLOW                 0x0002  /* dropped frame due to 
+#define    MAC_RX_OVERFLOW                 0x0002  /* dropped frame due to
                                                      RX FIFO overflow */
 #define    MAC_RX_FRAME_COUNT              0x0004  /* rollover of receive frame
                                                      counter */
                                                      RX FIFO overflow */
 #define    MAC_RX_FRAME_COUNT              0x0004  /* rollover of receive frame
                                                      counter */
                                                      error counter */
 #define    MAC_RX_CRC_ERR                  0x0010  /* rollover of crc error
                                                      counter */
                                                      error counter */
 #define    MAC_RX_CRC_ERR                  0x0010  /* rollover of crc error
                                                      counter */
-#define    MAC_RX_LEN_ERR                  0x0020  /* rollover of length 
+#define    MAC_RX_LEN_ERR                  0x0020  /* rollover of length
                                                      error counter */
                                                      error counter */
-#define    MAC_RX_VIOL_ERR                 0x0040  /* rollover of code 
+#define    MAC_RX_VIOL_ERR                 0x0040  /* rollover of code
                                                      violation error */
 
 /* DEFAULT: 0xXXXX0000 on reset */
 #define  REG_MAC_CTRL_STATUS               0x6018  /* MAC control status reg */
                                                      violation error */
 
 /* DEFAULT: 0xXXXX0000 on reset */
 #define  REG_MAC_CTRL_STATUS               0x6018  /* MAC control status reg */
-#define    MAC_CTRL_PAUSE_RECEIVED         0x00000001  /* successful 
-                                                         reception of a 
-                                                         pause control 
+#define    MAC_CTRL_PAUSE_RECEIVED         0x00000001  /* successful
+                                                         reception of a
+                                                         pause control
                                                          frame */
                                                          frame */
-#define    MAC_CTRL_PAUSE_STATE            0x00000002  /* MAC has made a 
-                                                         transition from 
-                                                         "not paused" to 
+#define    MAC_CTRL_PAUSE_STATE            0x00000002  /* MAC has made a
+                                                         transition from
+                                                         "not paused" to
                                                          "paused" */
                                                          "paused" */
-#define    MAC_CTRL_NOPAUSE_STATE          0x00000004  /* MAC has made a 
-                                                         transition from 
+#define    MAC_CTRL_NOPAUSE_STATE          0x00000004  /* MAC has made a
+                                                         transition from
                                                          "paused" to "not
                                                          paused" */
 #define    MAC_CTRL_PAUSE_TIME_MASK        0xFFFF0000  /* value of pause time
                                                          "paused" to "not
                                                          paused" */
 #define    MAC_CTRL_PAUSE_TIME_MASK        0xFFFF0000  /* value of pause time
-                                                         operand that was 
+                                                         operand that was
                                                          received in the last
                                                          pause flow control
                                                          frame */
                                                          received in the last
                                                          pause flow control
                                                          frame */
 /* layout identical to CTRL MAC[2:0] */
 #define  REG_MAC_CTRL_MASK                 0x6028  /* MAC control mask reg */
 
 /* layout identical to CTRL MAC[2:0] */
 #define  REG_MAC_CTRL_MASK                 0x6028  /* MAC control mask reg */
 
-/* to ensure proper operation, CFG_EN must be cleared to 0 and a delay 
+/* to ensure proper operation, CFG_EN must be cleared to 0 and a delay
  * imposed before writes to other bits in the TX_MAC_CFG register or any of
  * the MAC parameters is performed. delay dependent upon time required to
  * transmit a maximum size frame (= MAC_FRAMESIZE_MAX*8/Mbps). e.g.,
  * imposed before writes to other bits in the TX_MAC_CFG register or any of
  * the MAC parameters is performed. delay dependent upon time required to
  * transmit a maximum size frame (= MAC_FRAMESIZE_MAX*8/Mbps). e.g.,
- * the delay for a 1518-byte frame on a 100Mbps network is 125us. 
- * alternatively, just poll TX_CFG_EN until it reads back as 0. 
- * NOTE: on half-duplex 1Gbps, TX_CFG_CARRIER_EXTEND and 
+ * the delay for a 1518-byte frame on a 100Mbps network is 125us.
+ * alternatively, just poll TX_CFG_EN until it reads back as 0.
+ * NOTE: on half-duplex 1Gbps, TX_CFG_CARRIER_EXTEND and
  * RX_CFG_CARRIER_EXTEND should be set and the SLOT_TIME register should
  * be 0x200 (slot time of 512 bytes)
  */
  * RX_CFG_CARRIER_EXTEND should be set and the SLOT_TIME register should
  * be 0x200 (slot time of 512 bytes)
  */
 #define    MAC_TX_CFG_EN                0x0001  /* enable TX MAC. 0 will
                                                      force TXMAC state
                                                      machine to remain in
 #define    MAC_TX_CFG_EN                0x0001  /* enable TX MAC. 0 will
                                                      force TXMAC state
                                                      machine to remain in
-                                                     idle state or to 
+                                                     idle state or to
                                                      transition to idle state
                                                      on completion of an
                                                      ongoing packet. */
 #define    MAC_TX_CFG_IGNORE_CARRIER    0x0002  /* disable CSMA/CD deferral
                                                      transition to idle state
                                                      on completion of an
                                                      ongoing packet. */
 #define    MAC_TX_CFG_IGNORE_CARRIER    0x0002  /* disable CSMA/CD deferral
-                                                  process. set to 1 when 
+                                                  process. set to 1 when
                                                   full duplex and 0 when
                                                   half duplex */
 #define    MAC_TX_CFG_IGNORE_COLL       0x0004  /* disable CSMA/CD backoff
                                                   full duplex and 0 when
                                                   half duplex */
 #define    MAC_TX_CFG_IGNORE_COLL       0x0004  /* disable CSMA/CD backoff
                                                   full duplex and 0 when
                                                   half duplex */
 #define    MAC_TX_CFG_IPG_EN            0x0008  /* enable extension of the
                                                   full duplex and 0 when
                                                   half duplex */
 #define    MAC_TX_CFG_IPG_EN            0x0008  /* enable extension of the
-                                                  Rx-to-TX IPG. after 
-                                                  receiving a frame, TX 
-                                                  MAC will reset its 
-                                                  deferral process to 
+                                                  Rx-to-TX IPG. after
+                                                  receiving a frame, TX
+                                                  MAC will reset its
+                                                  deferral process to
                                                   carrier sense for the
                                                   amount of time = IPG0 +
                                                   carrier sense for the
                                                   amount of time = IPG0 +
-                                                  IPG1 and commit to 
+                                                  IPG1 and commit to
                                                   transmission for time
                                                   specified in IPG2. when
                                                   0 or when xmitting frames
                                                   back-to-pack (Tx-to-Tx
                                                   transmission for time
                                                   specified in IPG2. when
                                                   0 or when xmitting frames
                                                   back-to-pack (Tx-to-Tx
-                                                  IPG), TX MAC ignores 
+                                                  IPG), TX MAC ignores
                                                   IPG0 and will only use
                                                   IPG1 for deferral time.
                                                   IPG2 still used. */
 #define    MAC_TX_CFG_NEVER_GIVE_UP_EN  0x0010  /* TX MAC will not easily
                                                   IPG0 and will only use
                                                   IPG1 for deferral time.
                                                   IPG2 still used. */
 #define    MAC_TX_CFG_NEVER_GIVE_UP_EN  0x0010  /* TX MAC will not easily
-                                                  give up on frame 
-                                                  xmission. if backoff 
+                                                  give up on frame
+                                                  xmission. if backoff
                                                   algorithm reaches the
                                                   ATTEMPT_LIMIT, it will
                                                   clear attempts counter
                                                   and continue trying to
                                                   algorithm reaches the
                                                   ATTEMPT_LIMIT, it will
                                                   clear attempts counter
                                                   and continue trying to
-                                                  send the frame as 
-                                                  specified by 
+                                                  send the frame as
+                                                  specified by
                                                   GIVE_UP_LIM. when 0,
                                                   GIVE_UP_LIM. when 0,
-                                                  TX MAC will execute 
+                                                  TX MAC will execute
                                                   standard CSMA/CD prot. */
 #define    MAC_TX_CFG_NEVER_GIVE_UP_LIM 0x0020  /* when set, TX MAC will
                                                   continue to try to xmit
                                                   standard CSMA/CD prot. */
 #define    MAC_TX_CFG_NEVER_GIVE_UP_LIM 0x0020  /* when set, TX MAC will
                                                   continue to try to xmit
                                                   0, TX MAC will continue
                                                   to try xmitting until
                                                   successful or backoff
                                                   0, TX MAC will continue
                                                   to try xmitting until
                                                   successful or backoff
-                                                  algorithm reaches 
+                                                  algorithm reaches
                                                   ATTEMPT_LIMIT*16 */
 #define    MAC_TX_CFG_NO_BACKOFF        0x0040  /* modify CSMA/CD to disable
                                                   backoff algorithm. TX
                                                   MAC will not back off
                                                   after a xmission attempt
                                                   ATTEMPT_LIMIT*16 */
 #define    MAC_TX_CFG_NO_BACKOFF        0x0040  /* modify CSMA/CD to disable
                                                   backoff algorithm. TX
                                                   MAC will not back off
                                                   after a xmission attempt
-                                                  that resulted in a 
+                                                  that resulted in a
                                                   collision. */
 #define    MAC_TX_CFG_SLOW_DOWN         0x0080  /* modify CSMA/CD so that
                                                   deferral process is reset
                                                   collision. */
 #define    MAC_TX_CFG_SLOW_DOWN         0x0080  /* modify CSMA/CD so that
                                                   deferral process is reset
                                                   packets. when clear, CRC
                                                   generation is dependent
                                                   upon NO_CRC bit in the
                                                   packets. when clear, CRC
                                                   generation is dependent
                                                   upon NO_CRC bit in the
-                                                  xmit control word from 
+                                                  xmit control word from
                                                   TX DMA */
 #define    MAC_TX_CFG_CARRIER_EXTEND    0x0200  /* enables xmit part of the
                                                   TX DMA */
 #define    MAC_TX_CFG_CARRIER_EXTEND    0x0200  /* enables xmit part of the
-                                                  carrier extension 
-                                                  feature. this allows for 
+                                                  carrier extension
+                                                  feature. this allows for
                                                   longer collision domains
                                                   by extending the carrier
                                                   and collision window
                                                   longer collision domains
                                                   by extending the carrier
                                                   and collision window
                                                   for half-duplex at 1Gbps,
                                                   clear otherwise. */
 
                                                   for half-duplex at 1Gbps,
                                                   clear otherwise. */
 
-/* when CRC is not stripped, reassembly packets will not contain the CRC. 
+/* when CRC is not stripped, reassembly packets will not contain the CRC.
  * these will be stripped by HRP because it reassembles layer 4 data, and the
  * these will be stripped by HRP because it reassembles layer 4 data, and the
- * CRC is layer 2. however, non-reassembly packets will still contain the CRC 
+ * CRC is layer 2. however, non-reassembly packets will still contain the CRC
  * when passed to the host. to ensure proper operation, need to wait 3.2ms
  * after clearing RX_CFG_EN before writing to any other RX MAC registers
  * or other MAC parameters. alternatively, poll RX_CFG_EN until it clears
  * when passed to the host. to ensure proper operation, need to wait 3.2ms
  * after clearing RX_CFG_EN before writing to any other RX MAC registers
  * or other MAC parameters. alternatively, poll RX_CFG_EN until it clears
- * to 0. similary, HASH_FILTER_EN and ADDR_FILTER_EN have the same 
+ * to 0. similary, HASH_FILTER_EN and ADDR_FILTER_EN have the same
  * restrictions as CFG_EN.
  */
 #define  REG_MAC_RX_CFG                 0x6034  /* RX MAC config reg */
 #define    MAC_RX_CFG_EN                0x0001  /* enable RX MAC */
 #define    MAC_RX_CFG_STRIP_PAD         0x0002  /* always program to 0.
                                                   feature not supported */
  * restrictions as CFG_EN.
  */
 #define  REG_MAC_RX_CFG                 0x6034  /* RX MAC config reg */
 #define    MAC_RX_CFG_EN                0x0001  /* enable RX MAC */
 #define    MAC_RX_CFG_STRIP_PAD         0x0002  /* always program to 0.
                                                   feature not supported */
-#define    MAC_RX_CFG_STRIP_FCS         0x0004  /* RX MAC will strip the 
-                                                  last 4 bytes of a 
+#define    MAC_RX_CFG_STRIP_FCS         0x0004  /* RX MAC will strip the
+                                                  last 4 bytes of a
                                                   received frame. */
 #define    MAC_RX_CFG_PROMISC_EN        0x0008  /* promiscuous mode */
                                                   received frame. */
 #define    MAC_RX_CFG_PROMISC_EN        0x0008  /* promiscuous mode */
-#define    MAC_RX_CFG_PROMISC_GROUP_EN  0x0010  /* accept all valid 
+#define    MAC_RX_CFG_PROMISC_GROUP_EN  0x0010  /* accept all valid
                                                   multicast frames (group
                                                   bit in DA field set) */
 #define    MAC_RX_CFG_HASH_FILTER_EN    0x0020  /* use hash table to filter
                                                   multicast addresses */
                                                   multicast frames (group
                                                   bit in DA field set) */
 #define    MAC_RX_CFG_HASH_FILTER_EN    0x0020  /* use hash table to filter
                                                   multicast addresses */
-#define    MAC_RX_CFG_ADDR_FILTER_EN    0x0040  /* cause RX MAC to use 
-                                                  address filtering regs 
+#define    MAC_RX_CFG_ADDR_FILTER_EN    0x0040  /* cause RX MAC to use
+                                                  address filtering regs
                                                   to filter both unicast
                                                   to filter both unicast
-                                                  and multicast 
+                                                  and multicast
                                                   addresses */
 #define    MAC_RX_CFG_DISABLE_DISCARD   0x0080  /* pass errored frames to
                                                   RX DMA by setting BAD
                                                   bit but not Abort bit
                                                   addresses */
 #define    MAC_RX_CFG_DISABLE_DISCARD   0x0080  /* pass errored frames to
                                                   RX DMA by setting BAD
                                                   bit but not Abort bit
-                                                  in the status. CRC, 
+                                                  in the status. CRC,
                                                   framing, and length errs
                                                   framing, and length errs
-                                                  will not increment 
+                                                  will not increment
                                                   error counters. frames
                                                   which don't match dest
                                                   addr will be passed up
                                                   w/ BAD bit set. */
                                                   error counters. frames
                                                   which don't match dest
                                                   addr will be passed up
                                                   w/ BAD bit set. */
-#define    MAC_RX_CFG_CARRIER_EXTEND    0x0100  /* enable reception of 
+#define    MAC_RX_CFG_CARRIER_EXTEND    0x0100  /* enable reception of
                                                   packet bursts generated
                                                   by carrier extension
                                                   with packet bursting
                                                   packet bursts generated
                                                   by carrier extension
                                                   with packet bursting
 
 /* DEFAULT: 0x0 */
 #define  REG_MAC_CTRL_CFG               0x6038  /* MAC control config reg */
 
 /* DEFAULT: 0x0 */
 #define  REG_MAC_CTRL_CFG               0x6038  /* MAC control config reg */
-#define    MAC_CTRL_CFG_SEND_PAUSE_EN   0x0001  /* respond to requests for 
-                                                  sending pause flow ctrl 
+#define    MAC_CTRL_CFG_SEND_PAUSE_EN   0x0001  /* respond to requests for
+                                                  sending pause flow ctrl
                                                   frames */
                                                   frames */
-#define    MAC_CTRL_CFG_RECV_PAUSE_EN   0x0002  /* respond to received 
+#define    MAC_CTRL_CFG_RECV_PAUSE_EN   0x0002  /* respond to received
                                                   pause flow ctrl frames */
 #define    MAC_CTRL_CFG_PASS_CTRL       0x0004  /* pass valid MAC ctrl
                                                   packets to RX DMA */
 
 /* to ensure proper operation, a global initialization sequence should be
  * performed when a loopback config is entered or exited. if programmed after
                                                   pause flow ctrl frames */
 #define    MAC_CTRL_CFG_PASS_CTRL       0x0004  /* pass valid MAC ctrl
                                                   packets to RX DMA */
 
 /* to ensure proper operation, a global initialization sequence should be
  * performed when a loopback config is entered or exited. if programmed after
- * a hw or global sw reset, RX/TX MAC software reset and initialization 
- * should be done to ensure stable clocking. 
+ * a hw or global sw reset, RX/TX MAC software reset and initialization
+ * should be done to ensure stable clocking.
  * DEFAULT: 0x0
  */
 #define  REG_MAC_XIF_CFG                0x603C  /* XIF config reg */
  * DEFAULT: 0x0
  */
 #define  REG_MAC_XIF_CFG                0x603C  /* XIF config reg */
                                                      path to GMII recv data
                                                      path. phy mode register
                                                      clock selection must be
                                                      path to GMII recv data
                                                      path. phy mode register
                                                      clock selection must be
-                                                     set to GMII mode and 
+                                                     set to GMII mode and
                                                      GMII_MODE should be set
                                                      to 1. in loopback mode,
                                                      REFCLK will drive the
                                                      entire mac core. 0 for
                                                      normal operation. */
 #define    MAC_XIF_DISABLE_ECHO            0x0004  /* disables receive data
                                                      GMII_MODE should be set
                                                      to 1. in loopback mode,
                                                      REFCLK will drive the
                                                      entire mac core. 0 for
                                                      normal operation. */
 #define    MAC_XIF_DISABLE_ECHO            0x0004  /* disables receive data
-                                                     path during packet 
+                                                     path during packet
                                                      xmission. clear to 0
                                                      in any full duplex mode,
                                                      in any loopback mode,
                                                      or in half-duplex SERDES
                                                      or SLINK modes. set when
                                                      xmission. clear to 0
                                                      in any full duplex mode,
                                                      in any loopback mode,
                                                      or in half-duplex SERDES
                                                      or SLINK modes. set when
-                                                     in half-duplex when 
+                                                     in half-duplex when
                                                      using external phy. */
 #define    MAC_XIF_GMII_MODE               0x0008  /* MAC operates with GMII
                                                      clocks and datapath */
 #define    MAC_XIF_MII_BUFFER_OUTPUT_EN    0x0010  /* MII_BUF_EN pin. enable
                                                      external tristate buffer
                                                      using external phy. */
 #define    MAC_XIF_GMII_MODE               0x0008  /* MAC operates with GMII
                                                      clocks and datapath */
 #define    MAC_XIF_MII_BUFFER_OUTPUT_EN    0x0010  /* MII_BUF_EN pin. enable
                                                      external tristate buffer
-                                                     on the MII receive 
+                                                     on the MII receive
                                                      bus. */
 #define    MAC_XIF_LINK_LED                0x0020  /* LINKLED# active (low) */
 #define    MAC_XIF_FDPLX_LED               0x0040  /* FDPLXLED# active (low) */
                                                      bus. */
 #define    MAC_XIF_LINK_LED                0x0020  /* LINKLED# active (low) */
 #define    MAC_XIF_FDPLX_LED               0x0040  /* FDPLXLED# active (low) */
                                                      recommended: 0x04 */
 #define  REG_MAC_SLOT_TIME                 0x604C  /* slot time reg
                                                      recommended: 0x40 */
                                                      recommended: 0x04 */
 #define  REG_MAC_SLOT_TIME                 0x604C  /* slot time reg
                                                      recommended: 0x40 */
-#define  REG_MAC_FRAMESIZE_MIN             0x6050  /* min frame size reg 
+#define  REG_MAC_FRAMESIZE_MIN             0x6050  /* min frame size reg
                                                      recommended: 0x40 */
 
 /* FRAMESIZE_MAX holds both the max frame size as well as the max burst size.
                                                      recommended: 0x40 */
 
 /* FRAMESIZE_MAX holds both the max frame size as well as the max burst size.
                                                      preamble bytes that the
                                                      TX MAC will xmit at the
                                                      beginning of each frame
                                                      preamble bytes that the
                                                      TX MAC will xmit at the
                                                      beginning of each frame
-                                                     value should be 2 or 
-                                                     greater. recommended 
+                                                     value should be 2 or
+                                                     greater. recommended
                                                      value: 0x07 */
                                                      value: 0x07 */
-#define  REG_MAC_JAM_SIZE                  0x605C  /* jam size reg. duration 
+#define  REG_MAC_JAM_SIZE                  0x605C  /* jam size reg. duration
                                                      of jam in units of media
                                                      byte time. recommended
                                                      value: 0x04 */
 #define  REG_MAC_ATTEMPT_LIMIT             0x6060  /* attempt limit reg. #
                                                      of attempts TX MAC will
                                                      of jam in units of media
                                                      byte time. recommended
                                                      value: 0x04 */
 #define  REG_MAC_ATTEMPT_LIMIT             0x6060  /* attempt limit reg. #
                                                      of attempts TX MAC will
-                                                     make to xmit a frame 
+                                                     make to xmit a frame
                                                      before it resets its
                                                      attempts counter. after
                                                      before it resets its
                                                      attempts counter. after
-                                                     the limit has been 
+                                                     the limit has been
                                                      reached, TX MAC may or
                                                      may not drop the frame
                                                      dependent upon value
                                                      reached, TX MAC may or
                                                      may not drop the frame
                                                      dependent upon value
-                                                     in TX_MAC_CFG. 
-                                                     recommended 
+                                                     in TX_MAC_CFG.
+                                                     recommended
                                                      value: 0x10 */
 #define  REG_MAC_CTRL_TYPE                 0x6064  /* MAC control type reg.
                                                      value: 0x10 */
 #define  REG_MAC_CTRL_TYPE                 0x6064  /* MAC control type reg.
-                                                     type field of a MAC 
+                                                     type field of a MAC
                                                      ctrl frame. recommended
                                                      value: 0x8808 */
 
 /* mac address registers: 0 - 44, 0x6080 - 0x6130, 4 8-bit bytes.
                                                      ctrl frame. recommended
                                                      value: 0x8808 */
 
 /* mac address registers: 0 - 44, 0x6080 - 0x6130, 4 8-bit bytes.
- * register           contains                   comparison  
+ * register           contains                   comparison
  *    0        16 MSB of primary MAC addr        [47:32] of DA field
  *    1        16 middle bits ""                 [31:16] of DA field
  *    2        16 LSB ""                         [15:0] of DA field
  *    3*x      16MSB of alt MAC addr 1-15        [47:32] of DA field
  *    4*x      16 middle bits ""                 [31:16]
  *    5*x      16 LSB ""                         [15:0]
  *    0        16 MSB of primary MAC addr        [47:32] of DA field
  *    1        16 middle bits ""                 [31:16] of DA field
  *    2        16 LSB ""                         [15:0] of DA field
  *    3*x      16MSB of alt MAC addr 1-15        [47:32] of DA field
  *    4*x      16 middle bits ""                 [31:16]
  *    5*x      16 LSB ""                         [15:0]
- *    42       16 MSB of MAC CTRL addr           [47:32] of DA. 
+ *    42       16 MSB of MAC CTRL addr           [47:32] of DA.
  *    43       16 middle bits ""                 [31:16]
  *    44       16 LSB ""                         [15:0]
  *    MAC CTRL addr must be the reserved multicast addr for MAC CTRL frames.
  *    43       16 middle bits ""                 [31:16]
  *    44       16 LSB ""                         [15:0]
  *    MAC CTRL addr must be the reserved multicast addr for MAC CTRL frames.
 #define  REG_MAC_ADDRN(x)                  (REG_MAC_ADDR0 + (x)*4)
 #define  REG_MAC_ADDR_FILTER0              0x614C  /* address filter 0 reg
                                                      [47:32] */
 #define  REG_MAC_ADDRN(x)                  (REG_MAC_ADDR0 + (x)*4)
 #define  REG_MAC_ADDR_FILTER0              0x614C  /* address filter 0 reg
                                                      [47:32] */
-#define  REG_MAC_ADDR_FILTER1              0x6150  /* address filter 1 reg 
+#define  REG_MAC_ADDR_FILTER1              0x6150  /* address filter 1 reg
                                                      [31:16] */
                                                      [31:16] */
-#define  REG_MAC_ADDR_FILTER2              0x6154  /* address filter 2 reg 
+#define  REG_MAC_ADDR_FILTER2              0x6154  /* address filter 2 reg
                                                      [15:0] */
 #define  REG_MAC_ADDR_FILTER2_1_MASK       0x6158  /* address filter 2 and 1
                                                      mask reg. 8-bit reg
                                                      contains nibble mask for
                                                      reg 2 and 1. */
                                                      [15:0] */
 #define  REG_MAC_ADDR_FILTER2_1_MASK       0x6158  /* address filter 2 and 1
                                                      mask reg. 8-bit reg
                                                      contains nibble mask for
                                                      reg 2 and 1. */
-#define  REG_MAC_ADDR_FILTER0_MASK         0x615C  /* address filter 0 mask 
+#define  REG_MAC_ADDR_FILTER0_MASK         0x615C  /* address filter 0 mask
                                                      reg */
 
                                                      reg */
 
-/* hash table registers: 0 - 15, 0x6160 - 0x619C, 4 8-bit bytes 
+/* hash table registers: 0 - 15, 0x6160 - 0x619C, 4 8-bit bytes
  * 16-bit registers contain bits of the hash table.
  * 16-bit registers contain bits of the hash table.
- * reg x  -> [16*(15 - x) + 15 : 16*(15 - x)]. 
+ * reg x  -> [16*(15 - x) + 15 : 16*(15 - x)].
  * e.g., 15 -> [15:0], 0 -> [255:240]
  */
 #define  REG_MAC_HASH_TABLE0               0x6160  /* hash table 0 reg */
 #define  REG_MAC_HASH_TABLEN(x)            (REG_MAC_HASH_TABLE0 + (x)*4)
 
  * e.g., 15 -> [15:0], 0 -> [255:240]
  */
 #define  REG_MAC_HASH_TABLE0               0x6160  /* hash table 0 reg */
 #define  REG_MAC_HASH_TABLEN(x)            (REG_MAC_HASH_TABLE0 + (x)*4)
 
-/* statistics registers. these registers generate an interrupt on 
+/* statistics registers. these registers generate an interrupt on
  * overflow. recommended initialization: 0x0000. most are 16-bits except
  * for PEAK_ATTEMPTS register which is 8 bits.
  */
  * overflow. recommended initialization: 0x0000. most are 16-bits except
  * for PEAK_ATTEMPTS register which is 8 bits.
  */
-#define  REG_MAC_COLL_NORMAL               0x61A0 /* normal collision 
+#define  REG_MAC_COLL_NORMAL               0x61A0 /* normal collision
                                                     counter. */
 #define  REG_MAC_COLL_FIRST                0x61A4 /* first attempt
                                                     counter. */
 #define  REG_MAC_COLL_FIRST                0x61A4 /* first attempt
-                                                    successful collision 
+                                                    successful collision
                                                     counter */
                                                     counter */
-#define  REG_MAC_COLL_EXCESS               0x61A8 /* excessive collision 
+#define  REG_MAC_COLL_EXCESS               0x61A8 /* excessive collision
                                                     counter */
 #define  REG_MAC_COLL_LATE                 0x61AC /* late collision counter */
                                                     counter */
 #define  REG_MAC_COLL_LATE                 0x61AC /* late collision counter */
-#define  REG_MAC_TIMER_DEFER               0x61B0 /* defer timer. time base 
-                                                    is the media byte 
+#define  REG_MAC_TIMER_DEFER               0x61B0 /* defer timer. time base
+                                                    is the media byte
                                                     clock/256 */
 #define  REG_MAC_ATTEMPTS_PEAK             0x61B4 /* peak attempts reg */
 #define  REG_MAC_RECV_FRAME                0x61B8 /* receive frame counter */
                                                     clock/256 */
 #define  REG_MAC_ATTEMPTS_PEAK             0x61B4 /* peak attempts reg */
 #define  REG_MAC_RECV_FRAME                0x61B8 /* receive frame counter */
                                                   10-bit register used as a
                                                   seed  for the random number
                                                   generator for the CSMA/CD
                                                   10-bit register used as a
                                                   seed  for the random number
                                                   generator for the CSMA/CD
-                                                  backoff algorithm. only 
+                                                  backoff algorithm. only
                                                   programmed after power-on
                                                   programmed after power-on
-                                                  reset and should be a 
-                                                  random value which has a 
-                                                  high likelihood of being 
-                                                  unique for each MAC 
-                                                  attached to a network 
+                                                  reset and should be a
+                                                  random value which has a
+                                                  high likelihood of being
+                                                  unique for each MAC
+                                                  attached to a network
                                                   segment (e.g., 10 LSB of
                                                   MAC address) */
 
                                                   segment (e.g., 10 LSB of
                                                   MAC address) */
 
 
 /* 27-bit register has the current state for key state machines in the MAC */
 #define  REG_MAC_STATE_MACHINE             0x61D0 /* (ro) state machine reg */
 
 /* 27-bit register has the current state for key state machines in the MAC */
 #define  REG_MAC_STATE_MACHINE             0x61D0 /* (ro) state machine reg */
-#define    MAC_SM_RLM_MASK                 0x07800000 
+#define    MAC_SM_RLM_MASK                 0x07800000
 #define    MAC_SM_RLM_SHIFT                23
 #define    MAC_SM_RX_FC_MASK               0x00700000
 #define    MAC_SM_RX_FC_SHIFT              20
 #define    MAC_SM_RLM_SHIFT                23
 #define    MAC_SM_RX_FC_MASK               0x00700000
 #define    MAC_SM_RX_FC_SHIFT              20
 #define    MAC_SM_TX_FIFO_EMPTY_MASK       0x00000007
 #define    MAC_SM_TX_FIFO_EMPTY_SHIFT      0
 
 #define    MAC_SM_TX_FIFO_EMPTY_MASK       0x00000007
 #define    MAC_SM_TX_FIFO_EMPTY_SHIFT      0
 
-/** MIF registers. the MIF can be programmed in either bit-bang or 
+/** MIF registers. the MIF can be programmed in either bit-bang or
  *  frame mode.
  **/
 #define  REG_MIF_BIT_BANG_CLOCK            0x6200 /* MIF bit-bang clock.
  *  frame mode.
  **/
 #define  REG_MIF_BIT_BANG_CLOCK            0x6200 /* MIF bit-bang clock.
-                                                  1 -> 0 will generate a 
+                                                  1 -> 0 will generate a
                                                   rising edge. 0 -> 1 will
                                                   generate a falling edge. */
 #define  REG_MIF_BIT_BANG_DATA             0x6204 /* MIF bit-bang data. 1-bit
                                                     register generates data */
                                                   rising edge. 0 -> 1 will
                                                   generate a falling edge. */
 #define  REG_MIF_BIT_BANG_DATA             0x6204 /* MIF bit-bang data. 1-bit
                                                     register generates data */
-#define  REG_MIF_BIT_BANG_OUTPUT_EN        0x6208 /* MIF bit-bang output 
-                                                    enable. enable when 
+#define  REG_MIF_BIT_BANG_OUTPUT_EN        0x6208 /* MIF bit-bang output
+                                                    enable. enable when
                                                     xmitting data from MIF to
                                                     transceiver. */
 
                                                     xmitting data from MIF to
                                                     transceiver. */
 
-/* 32-bit register serves as an instruction register when the MIF is 
+/* 32-bit register serves as an instruction register when the MIF is
  * programmed in frame mode. load this register w/ a valid instruction
  * (as per IEEE 802.3u MII spec). poll this register to check for instruction
  * execution completion. during a read operation, this register will also
  * programmed in frame mode. load this register w/ a valid instruction
  * (as per IEEE 802.3u MII spec). poll this register to check for instruction
  * execution completion. during a read operation, this register will also
- * contain the 16-bit data returned by the tranceiver. unless specified 
- * otherwise, fields are considered "don't care" when polling for 
+ * contain the 16-bit data returned by the tranceiver. unless specified
+ * otherwise, fields are considered "don't care" when polling for
  * completion.
  */
 #define  REG_MIF_FRAME                     0x620C /* MIF frame/output reg */
  * completion.
  */
 #define  REG_MIF_FRAME                     0x620C /* MIF frame/output reg */
                                                         load w/ 01 when
                                                         issuing an instr */
 #define    MIF_FRAME_ST                    0x40000000 /* STart of frame */
                                                         load w/ 01 when
                                                         issuing an instr */
 #define    MIF_FRAME_ST                    0x40000000 /* STart of frame */
-#define    MIF_FRAME_OPCODE_MASK           0x30000000 /* opcode. 01 for a 
-                                                        write. 10 for a 
+#define    MIF_FRAME_OPCODE_MASK           0x30000000 /* opcode. 01 for a
+                                                        write. 10 for a
                                                         read */
 #define    MIF_FRAME_OP_READ               0x20000000 /* read OPcode */
 #define    MIF_FRAME_OP_WRITE              0x10000000 /* write OPcode */
 #define    MIF_FRAME_PHY_ADDR_MASK         0x0F800000 /* phy address. when
                                                         issuing an instr,
                                                         read */
 #define    MIF_FRAME_OP_READ               0x20000000 /* read OPcode */
 #define    MIF_FRAME_OP_WRITE              0x10000000 /* write OPcode */
 #define    MIF_FRAME_PHY_ADDR_MASK         0x0F800000 /* phy address. when
                                                         issuing an instr,
-                                                        this field should be 
+                                                        this field should be
                                                         loaded w/ the XCVR
                                                         addr */
 #define    MIF_FRAME_PHY_ADDR_SHIFT        23
                                                         loaded w/ the XCVR
                                                         addr */
 #define    MIF_FRAME_PHY_ADDR_SHIFT        23
                                                         to be written in
                                                         transceiver reg for a
                                                         write. doesn't matter
                                                         to be written in
                                                         transceiver reg for a
                                                         write. doesn't matter
-                                                        in a read. when 
-                                                        polling for 
+                                                        in a read. when
+                                                        polling for
                                                         completion, field is
                                                         "don't care" for write
                                                         completion, field is
                                                         "don't care" for write
-                                                        and 16-bit data 
-                                                        returned by the 
+                                                        and 16-bit data
+                                                        returned by the
                                                         transceiver for a
                                                         read (if valid bit
                                                         is set) */
                                                         transceiver for a
                                                         read (if valid bit
                                                         is set) */
 #define    MIF_CFG_POLL_REG_SHIFT       3
 #define    MIF_CFG_MDIO_0               0x0100 /* (ro) dual purpose.
                                                  when MDIO_0 is idle,
 #define    MIF_CFG_POLL_REG_SHIFT       3
 #define    MIF_CFG_MDIO_0               0x0100 /* (ro) dual purpose.
                                                  when MDIO_0 is idle,
-                                                 1 -> tranceiver is 
+                                                 1 -> tranceiver is
                                                  connected to MDIO_0.
                                                  when MIF is communicating
                                                  connected to MDIO_0.
                                                  when MIF is communicating
-                                                 w/ MDIO_0 in bit-bang 
+                                                 w/ MDIO_0 in bit-bang
                                                  mode, this bit indicates
                                                  the incoming bit stream
                                                  during a read op */
 #define    MIF_CFG_MDIO_1               0x0200 /* (ro) dual purpose.
                                                  mode, this bit indicates
                                                  the incoming bit stream
                                                  during a read op */
 #define    MIF_CFG_MDIO_1               0x0200 /* (ro) dual purpose.
-                                                 when MDIO_1 is idle, 
-                                                 1 -> transceiver is 
+                                                 when MDIO_1 is idle,
+                                                 1 -> transceiver is
                                                  connected to MDIO_1.
                                                  when MIF is communicating
                                                  w/ MDIO_1 in bit-bang
                                                  connected to MDIO_1.
                                                  when MIF is communicating
                                                  w/ MDIO_1 in bit-bang
 
 /* 16-bit register used to determine which bits in the POLL_STATUS portion of
  * the MIF_STATUS register will cause an interrupt. if a mask bit is 0,
 
 /* 16-bit register used to determine which bits in the POLL_STATUS portion of
  * the MIF_STATUS register will cause an interrupt. if a mask bit is 0,
- * corresponding bit of the POLL_STATUS will generate a MIF interrupt when 
+ * corresponding bit of the POLL_STATUS will generate a MIF interrupt when
  * set. DEFAULT: 0xFFFF
  */
 #define  REG_MIF_MASK                      0x6214 /* MIF mask reg */
  * set. DEFAULT: 0xFFFF
  */
 #define  REG_MIF_MASK                      0x6214 /* MIF mask reg */
 #define  REG_MIF_STATUS                    0x6218 /* MIF status reg */
 #define    MIF_STATUS_POLL_DATA_MASK       0xFFFF0000 /* poll data contains
                                                         the "latest image"
 #define  REG_MIF_STATUS                    0x6218 /* MIF status reg */
 #define    MIF_STATUS_POLL_DATA_MASK       0xFFFF0000 /* poll data contains
                                                         the "latest image"
-                                                        update of the XCVR 
+                                                        update of the XCVR
                                                         reg being read */
 #define    MIF_STATUS_POLL_DATA_SHIFT      16
 #define    MIF_STATUS_POLL_STATUS_MASK     0x0000FFFF /* poll status indicates
                                                         reg being read */
 #define    MIF_STATUS_POLL_DATA_SHIFT      16
 #define    MIF_STATUS_POLL_STATUS_MASK     0x0000FFFF /* poll status indicates
 
 /* 7-bit register has current state for all state machines in the MIF */
 #define  REG_MIF_STATE_MACHINE             0x621C /* MIF state machine reg */
 
 /* 7-bit register has current state for all state machines in the MIF */
 #define  REG_MIF_STATE_MACHINE             0x621C /* MIF state machine reg */
-#define    MIF_SM_CONTROL_MASK             0x07   /* control state machine 
+#define    MIF_SM_CONTROL_MASK             0x07   /* control state machine
                                                     state */
 #define    MIF_SM_EXECUTION_MASK           0x60   /* execution state machine
                                                     state */
 
 /** PCS/Serialink. the following registers are equivalent to the standard
                                                     state */
 #define    MIF_SM_EXECUTION_MASK           0x60   /* execution state machine
                                                     state */
 
 /** PCS/Serialink. the following registers are equivalent to the standard
- *  MII management registers except that they're directly mapped in 
+ *  MII management registers except that they're directly mapped in
  *  Cassini's register space.
  **/
 
 /* the auto-negotiation enable bit should be programmed the same at
  * the link partner as in the local device to enable auto-negotiation to
  *  Cassini's register space.
  **/
 
 /* the auto-negotiation enable bit should be programmed the same at
  * the link partner as in the local device to enable auto-negotiation to
- * complete. when that bit is reprogrammed, auto-neg/manual config is 
+ * complete. when that bit is reprogrammed, auto-neg/manual config is
  * restarted automatically.
  * DEFAULT: 0x1040
  */
  * restarted automatically.
  * DEFAULT: 0x1040
  */
                                                     to MAC interface is
                                                     activated regardless
                                                     of activity */
                                                     to MAC interface is
                                                     activated regardless
                                                     of activity */
-#define    PCS_MII_CTRL_DUPLEX             0x0100 /* forced 0x0. PCS 
+#define    PCS_MII_CTRL_DUPLEX             0x0100 /* forced 0x0. PCS
                                                     behaviour same for
                                                     half and full dplx */
                                                     behaviour same for
                                                     half and full dplx */
-#define    PCS_MII_RESTART_AUTONEG         0x0200 /* self clearing. 
+#define    PCS_MII_RESTART_AUTONEG         0x0200 /* self clearing.
                                                     restart auto-
                                                     negotiation */
 #define    PCS_MII_ISOLATE                 0x0400 /* read as 0. ignored
                                                     restart auto-
                                                     negotiation */
 #define    PCS_MII_ISOLATE                 0x0400 /* read as 0. ignored
                                                     through automatic
                                                     link config before it
                                                     can be used. when 0,
                                                     through automatic
                                                     link config before it
                                                     can be used. when 0,
-                                                    link can be used 
+                                                    link can be used
                                                     w/out any link config
                                                     phase */
                                                     w/out any link config
                                                     phase */
-#define    PCS_MII_10_100_SEL              0x2000 /* read as 0. ignored on 
+#define    PCS_MII_10_100_SEL              0x2000 /* read as 0. ignored on
                                                     writes */
 #define    PCS_MII_RESET                   0x8000 /* reset PCS. self-clears
                                                     when done */
                                                     writes */
 #define    PCS_MII_RESET                   0x8000 /* reset PCS. self-clears
                                                     when done */
 #define  REG_PCS_MII_STATUS                0x9004 /* PCS MII status reg */
 #define    PCS_MII_STATUS_EXTEND_CAP       0x0001 /* reads 0 */
 #define    PCS_MII_STATUS_JABBER_DETECT    0x0002 /* reads 0 */
 #define  REG_PCS_MII_STATUS                0x9004 /* PCS MII status reg */
 #define    PCS_MII_STATUS_EXTEND_CAP       0x0001 /* reads 0 */
 #define    PCS_MII_STATUS_JABBER_DETECT    0x0002 /* reads 0 */
-#define    PCS_MII_STATUS_LINK_STATUS      0x0004 /* 1 -> link up. 
+#define    PCS_MII_STATUS_LINK_STATUS      0x0004 /* 1 -> link up.
                                                     0 -> link down. 0 is
                                                     latched so that 0 is
                                                     kept until read. read
                                                     0 -> link down. 0 is
                                                     latched so that 0 is
                                                     kept until read. read
                                                     from received link code
                                                     word. only valid after
                                                     auto-neg completed */
                                                     from received link code
                                                     word. only valid after
                                                     auto-neg completed */
-#define    PCS_MII_STATUS_AUTONEG_COMP     0x0020 /* 1 -> auto-negotiation 
+#define    PCS_MII_STATUS_AUTONEG_COMP     0x0020 /* 1 -> auto-negotiation
                                                          completed
                                                     0 -> auto-negotiation not
                                                     completed */
                                                          completed
                                                     0 -> auto-negotiation not
                                                     completed */
                                                     a 1000 Base-X PHY. writes
                                                     to it are ignored */
 
                                                     a 1000 Base-X PHY. writes
                                                     to it are ignored */
 
-/* used during auto-negotiation. 
+/* used during auto-negotiation.
  * DEFAULT: 0x00E0
  */
 #define  REG_PCS_MII_ADVERT                0x9008 /* PCS MII advertisement
  * DEFAULT: 0x00E0
  */
 #define  REG_PCS_MII_ADVERT                0x9008 /* PCS MII advertisement
                                                      1000 Base-X */
 #define    PCS_MII_ADVERT_SYM_PAUSE        0x0080  /* advertise PAUSE
                                                      symmetric capability */
                                                      1000 Base-X */
 #define    PCS_MII_ADVERT_SYM_PAUSE        0x0080  /* advertise PAUSE
                                                      symmetric capability */
-#define    PCS_MII_ADVERT_ASYM_PAUSE       0x0100  /* advertises PAUSE 
+#define    PCS_MII_ADVERT_ASYM_PAUSE       0x0100  /* advertises PAUSE
                                                      asymmetric capability */
 #define    PCS_MII_ADVERT_RF_MASK          0x3000 /* remote fault. write bit13
                                                     to optionally indicate to
                                                      asymmetric capability */
 #define    PCS_MII_ADVERT_RF_MASK          0x3000 /* remote fault. write bit13
                                                     to optionally indicate to
                                                     going off-line. bit12 will
                                                     get set when signal
                                                     detect == FAIL and will
                                                     going off-line. bit12 will
                                                     get set when signal
                                                     detect == FAIL and will
-                                                    remain set until 
+                                                    remain set until
                                                     successful negotiation */
 #define    PCS_MII_ADVERT_ACK              0x4000 /* (ro) */
 #define    PCS_MII_ADVERT_NEXT_PAGE        0x8000 /* (ro) forced 0x0 */
                                                     successful negotiation */
 #define    PCS_MII_ADVERT_ACK              0x4000 /* (ro) */
 #define    PCS_MII_ADVERT_NEXT_PAGE        0x8000 /* (ro) forced 0x0 */
                                                     0 when modifying
                                                     PCS_MII_ADVERT */
 #define    PCS_CFG_SD_OVERRIDE             0x02   /* sets signal detect to
                                                     0 when modifying
                                                     PCS_MII_ADVERT */
 #define    PCS_CFG_SD_OVERRIDE             0x02   /* sets signal detect to
-                                                    OK. bit is 
+                                                    OK. bit is
                                                     non-resettable */
 #define    PCS_CFG_SD_ACTIVE_LOW           0x04   /* changes interpretation
                                                     of optical signal to make
                                                     non-resettable */
 #define    PCS_CFG_SD_ACTIVE_LOW           0x04   /* changes interpretation
                                                     of optical signal to make
 #define    PCS_CFG_JITTER_STUDY_MASK       0x18   /* used to make jitter
                                                     measurements. a single
                                                     code group is xmitted
 #define    PCS_CFG_JITTER_STUDY_MASK       0x18   /* used to make jitter
                                                     measurements. a single
                                                     code group is xmitted
-                                                    regularly. 
+                                                    regularly.
                                                     0x0 = normal operation
                                                     0x0 = normal operation
-                                                    0x1 = high freq test 
+                                                    0x1 = high freq test
                                                           pattern, D21.5
                                                     0x2 = low freq test
                                                           pattern, K28.7
                                                     0x3 = reserved */
 #define    PCS_CFG_10MS_TIMER_OVERRIDE     0x20   /* shortens 10-20ms auto-
                                                           pattern, D21.5
                                                     0x2 = low freq test
                                                           pattern, K28.7
                                                     0x3 = reserved */
 #define    PCS_CFG_10MS_TIMER_OVERRIDE     0x20   /* shortens 10-20ms auto-
-                                                    negotiation timer to 
+                                                    negotiation timer to
                                                     a few cycles for test
                                                     purposes */
 
 /* used for diagnostic purposes. bits 20-22 autoclear on read */
                                                     a few cycles for test
                                                     purposes */
 
 /* used for diagnostic purposes. bits 20-22 autoclear on read */
-#define  REG_PCS_STATE_MACHINE             0x9014 /* (ro) PCS state machine 
+#define  REG_PCS_STATE_MACHINE             0x9014 /* (ro) PCS state machine
                                                     and diagnostic reg */
                                                     and diagnostic reg */
-#define    PCS_SM_TX_STATE_MASK            0x0000000F /* 0 and 1 indicate 
-                                                        xmission of idle. 
+#define    PCS_SM_TX_STATE_MASK            0x0000000F /* 0 and 1 indicate
+                                                        xmission of idle.
                                                         otherwise, xmission of
                                                         a packet */
 #define    PCS_SM_RX_STATE_MASK            0x000000F0 /* 0 indicates reception
                                                         otherwise, xmission of
                                                         a packet */
 #define    PCS_SM_RX_STATE_MASK            0x000000F0 /* 0 indicates reception
                                                         Config codes. cycling
                                                         through 0-1 indicates
                                                         reception of idles */
                                                         Config codes. cycling
                                                         through 0-1 indicates
                                                         reception of idles */
-#define    PCS_SM_LINK_STATE_MASK          0x0001E000 
+#define    PCS_SM_LINK_STATE_MASK          0x0001E000
 #define        SM_LINK_STATE_UP            0x00016000 /* link state is up */
 
 #define    PCS_SM_LOSS_LINK_C              0x00100000 /* loss of link due to
 #define        SM_LINK_STATE_UP            0x00016000 /* link state is up */
 
 #define    PCS_SM_LOSS_LINK_C              0x00100000 /* loss of link due to
-                                                        recept of Config 
+                                                        recept of Config
                                                         codes */
 #define    PCS_SM_LOSS_LINK_SYNC           0x00200000 /* loss of link due to
                                                         loss of sync */
                                                         codes */
 #define    PCS_SM_LOSS_LINK_SYNC           0x00200000 /* loss of link due to
                                                         loss of sync */
-#define    PCS_SM_LOSS_SIGNAL_DETECT       0x00400000 /* signal detect goes 
+#define    PCS_SM_LOSS_SIGNAL_DETECT       0x00400000 /* signal detect goes
                                                         from OK to FAIL. bit29
                                                         from OK to FAIL. bit29
-                                                        will also be set if 
+                                                        will also be set if
                                                         this is set */
 #define    PCS_SM_NO_LINK_BREAKLINK        0x01000000 /* link not up due to
                                                        receipt of breaklink
                                                        C codes from partner.
                                                        C codes w/ 0 content
                                                        received triggering
                                                         this is set */
 #define    PCS_SM_NO_LINK_BREAKLINK        0x01000000 /* link not up due to
                                                        receipt of breaklink
                                                        C codes from partner.
                                                        C codes w/ 0 content
                                                        received triggering
-                                                       start/restart of 
-                                                       autonegotiation. 
+                                                       start/restart of
+                                                       autonegotiation.
                                                        should be sent for
                                                        no longer than 20ms */
                                                        should be sent for
                                                        no longer than 20ms */
-#define    PCS_SM_NO_LINK_SERDES           0x02000000 /* serdes being 
+#define    PCS_SM_NO_LINK_SERDES           0x02000000 /* serdes being
                                                        initialized. see serdes
                                                        state reg */
 #define    PCS_SM_NO_LINK_C                0x04000000 /* C codes not stable or
                                                         not received */
                                                        initialized. see serdes
                                                        state reg */
 #define    PCS_SM_NO_LINK_C                0x04000000 /* C codes not stable or
                                                         not received */
-#define    PCS_SM_NO_LINK_SYNC             0x08000000 /* word sync not 
+#define    PCS_SM_NO_LINK_SYNC             0x08000000 /* word sync not
                                                         achieved */
                                                         achieved */
-#define    PCS_SM_NO_LINK_WAIT_C           0x10000000 /* waiting for C codes 
+#define    PCS_SM_NO_LINK_WAIT_C           0x10000000 /* waiting for C codes
                                                         w/ ack bit set */
 #define    PCS_SM_NO_LINK_NO_IDLE          0x20000000 /* link partner continues
                                                         w/ ack bit set */
 #define    PCS_SM_NO_LINK_NO_IDLE          0x20000000 /* link partner continues
-                                                        to send C codes 
-                                                        instead of idle 
+                                                        to send C codes
+                                                        instead of idle
                                                         symbols or pkt data */
 
 /* this register indicates interrupt changes in specific PCS MII status bits.
                                                         symbols or pkt data */
 
 /* this register indicates interrupt changes in specific PCS MII status bits.
  * DEFAULT: none
  */
 #define  REG_PCS_DATAPATH_MODE             0x9050 /* datapath mode reg */
  * DEFAULT: none
  */
 #define  REG_PCS_DATAPATH_MODE             0x9050 /* datapath mode reg */
-#define    PCS_DATAPATH_MODE_MII           0x00 /* PCS is not used and 
-                                                  MII/GMII is selected. 
+#define    PCS_DATAPATH_MODE_MII           0x00 /* PCS is not used and
+                                                  MII/GMII is selected.
                                                   selection between MII and
                                                   selection between MII and
-                                                  GMII is controlled by 
+                                                  GMII is controlled by
                                                   XIF_CFG */
 #define    PCS_DATAPATH_MODE_SERDES        0x02 /* PCS is used via the
                                                   10-bit interface */
 
 /* input to serdes chip or serialink block */
 #define  REG_PCS_SERDES_CTRL              0x9054 /* serdes control reg */
                                                   XIF_CFG */
 #define    PCS_DATAPATH_MODE_SERDES        0x02 /* PCS is used via the
                                                   10-bit interface */
 
 /* input to serdes chip or serialink block */
 #define  REG_PCS_SERDES_CTRL              0x9054 /* serdes control reg */
-#define    PCS_SERDES_CTRL_LOOPBACK       0x01   /* enable loopback on 
+#define    PCS_SERDES_CTRL_LOOPBACK       0x01   /* enable loopback on
                                                    serdes interface */
 #define    PCS_SERDES_CTRL_SYNCD_EN       0x02   /* enable sync carrier
                                                    detection. should be
                                                    serdes interface */
 #define    PCS_SERDES_CTRL_SYNCD_EN       0x02   /* enable sync carrier
                                                    detection. should be
-                                                   0x0 for normal 
+                                                   0x0 for normal
                                                    operation */
 #define    PCS_SERDES_CTRL_LOCKREF       0x04   /* frequency-lock RBC[0:1]
                                                   to REFCLK when set.
                                                    operation */
 #define    PCS_SERDES_CTRL_LOCKREF       0x04   /* frequency-lock RBC[0:1]
                                                   to REFCLK when set.
                                                   serial data */
 
 /* multiplex test outputs into the PROM address (PA_3 through PA_0) pins.
                                                   serial data */
 
 /* multiplex test outputs into the PROM address (PA_3 through PA_0) pins.
- * should be 0x0 for normal operations. 
+ * should be 0x0 for normal operations.
  * 0b000          normal operation, PROM address[3:0] selected
  * 0b000          normal operation, PROM address[3:0] selected
- * 0b001          rxdma req, rxdma ack, rxdma ready, rxdma read 
- * 0b010          rxmac req, rx ack, rx tag, rx clk shared 
- * 0b011          txmac req, tx ack, tx tag, tx retry req 
- * 0b100          tx tp3, tx tp2, tx tp1, tx tp0 
+ * 0b001          rxdma req, rxdma ack, rxdma ready, rxdma read
+ * 0b010          rxmac req, rx ack, rx tag, rx clk shared
+ * 0b011          txmac req, tx ack, tx tag, tx retry req
+ * 0b100          tx tp3, tx tp2, tx tp1, tx tp0
  * 0b101          R period RX, R period TX, R period HP, R period BIM
  * DEFAULT: 0x0
  */
 #define  REG_PCS_SHARED_OUTPUT_SEL         0x9058 /* shared output select */
 #define    PCS_SOS_PROM_ADDR_MASK          0x0007
 
  * 0b101          R period RX, R period TX, R period HP, R period BIM
  * DEFAULT: 0x0
  */
 #define  REG_PCS_SHARED_OUTPUT_SEL         0x9058 /* shared output select */
 #define    PCS_SOS_PROM_ADDR_MASK          0x0007
 
-/* used for diagnostics. this register indicates progress of the SERDES 
- * boot up. 
+/* used for diagnostics. this register indicates progress of the SERDES
+ * boot up.
  * 0b00       undergoing reset
  * 0b01       waiting 500us while lockrefn is asserted
  * 0b10       waiting for comma detect
  * 0b00       undergoing reset
  * 0b01       waiting 500us while lockrefn is asserted
  * 0b10       waiting for comma detect
- * 0b11       receive data is synchronized 
+ * 0b11       receive data is synchronized
  * DEFAULT: 0x0
  */
 #define  REG_PCS_SERDES_STATE              0x905C /* (ro) serdes state */
  * DEFAULT: 0x0
  */
 #define  REG_PCS_SERDES_STATE              0x905C /* (ro) serdes state */
-#define    PCS_SERDES_STATE_MASK           0x03   
+#define    PCS_SERDES_STATE_MASK           0x03
 
 /* used for diagnostics. indicates number of packets transmitted or received.
  * counters rollover w/out generating an interrupt.
 
 /* used for diagnostics. indicates number of packets transmitted or received.
  * counters rollover w/out generating an interrupt.
 #define  REG_PCS_PACKET_COUNT              0x9060 /* (ro) PCS packet counter */
 #define    PCS_PACKET_COUNT_TX             0x000007FF /* pkts xmitted by PCS */
 #define    PCS_PACKET_COUNT_RX             0x07FF0000 /* pkts recvd by PCS
 #define  REG_PCS_PACKET_COUNT              0x9060 /* (ro) PCS packet counter */
 #define    PCS_PACKET_COUNT_TX             0x000007FF /* pkts xmitted by PCS */
 #define    PCS_PACKET_COUNT_RX             0x07FF0000 /* pkts recvd by PCS
-                                                        whether they 
+                                                        whether they
                                                         encountered an error
                                                         or not */
 
                                                         encountered an error
                                                         or not */
 
-/** LocalBus Devices. the following provides run-time access to the 
+/** LocalBus Devices. the following provides run-time access to the
  *  Cassini's PROM
  ***/
 #define  REG_EXPANSION_ROM_RUN_START       0x100000 /* expansion rom run time
                                                       access */
 #define  REG_EXPANSION_ROM_RUN_END         0x17FFFF
 
  *  Cassini's PROM
  ***/
 #define  REG_EXPANSION_ROM_RUN_START       0x100000 /* expansion rom run time
                                                       access */
 #define  REG_EXPANSION_ROM_RUN_END         0x17FFFF
 
-#define  REG_SECOND_LOCALBUS_START         0x180000 /* secondary local bus 
+#define  REG_SECOND_LOCALBUS_START         0x180000 /* secondary local bus
                                                       device */
 #define  REG_SECOND_LOCALBUS_END           0x1FFFFF
 
                                                       device */
 #define  REG_SECOND_LOCALBUS_END           0x1FFFFF
 
 #define   CAS_MII_1000_EXTEND     0x0F
 
 #define   CAS_BMSR_1000_EXTEND    0x0100 /* supports 1000Base-T extended status */
 #define   CAS_MII_1000_EXTEND     0x0F
 
 #define   CAS_BMSR_1000_EXTEND    0x0100 /* supports 1000Base-T extended status */
-/* 
+/*
  * if autoneg is disabled, here's the table:
  * BMCR_SPEED100 = 100Mbps
  * BMCR_SPEED1000 = 1000Mbps
  * if autoneg is disabled, here's the table:
  * BMCR_SPEED100 = 100Mbps
  * BMCR_SPEED1000 = 1000Mbps
@@ -2145,7 +2145,7 @@ typedef struct cas_hp_inst {
        u8 outenab;  /* output enable: 0 = not, 1 = if match
                         2 = if !match, 3 = always */
        u8 outshift; /* barrel shift right, 4 bits */
        u8 outenab;  /* output enable: 0 = not, 1 = if match
                         2 = if !match, 3 = always */
        u8 outshift; /* barrel shift right, 4 bits */
-       u16 outmask; 
+       u16 outmask;
 } cas_hp_inst_t;
 
 /* comparison */
 } cas_hp_inst_t;
 
 /* comparison */
@@ -2232,9 +2232,9 @@ typedef struct cas_hp_inst {
 
 #ifdef USE_HP_IP46TCP4
 static cas_hp_inst_t cas_prog_ip46tcp4tab[] = {
 
 #ifdef USE_HP_IP46TCP4
 static cas_hp_inst_t cas_prog_ip46tcp4tab[] = {
-       CAS_PROG_IP46TCP4_PREAMBLE, 
-       { "TCP seq", /* DADDR should point to dest port */ 
-         0x0000, 0x0000, OP_EQ, 0, S1_TCPFG, 4, S1_TCPFG, LD_SEQ, 
+       CAS_PROG_IP46TCP4_PREAMBLE,
+       { "TCP seq", /* DADDR should point to dest port */
+         0x0000, 0x0000, OP_EQ, 0, S1_TCPFG, 4, S1_TCPFG, LD_SEQ,
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
        { "TCP control flags", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHL, 0,
          S1_TCPHL, ST_FLG, 0x045,  3, 0x0, 0x002f}, /* Load TCP flags */
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
        { "TCP control flags", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHL, 0,
          S1_TCPHL, ST_FLG, 0x045,  3, 0x0, 0x002f}, /* Load TCP flags */
@@ -2263,7 +2263,7 @@ static cas_hp_inst_t cas_prog_ip46tcp4tab[] = {
 static cas_hp_inst_t cas_prog_ip46tcp4nohttptab[] = {
        CAS_PROG_IP46TCP4_PREAMBLE,
        { "TCP seq", /* DADDR should point to dest port */
 static cas_hp_inst_t cas_prog_ip46tcp4nohttptab[] = {
        CAS_PROG_IP46TCP4_PREAMBLE,
        { "TCP seq", /* DADDR should point to dest port */
-         0xFFFF, 0x0080, OP_EQ,  0, S2_HTTP,  0, S1_TCPFG, LD_SEQ, 
+         0xFFFF, 0x0080, OP_EQ,  0, S2_HTTP,  0, S1_TCPFG, LD_SEQ,
          0x081,  3, 0x0, 0xffff} , /* Load TCP seq # */
        { "TCP control flags", 0xFFFF, 0x8080, OP_EQ,  0, S2_HTTP,  0,
          S1_TCPHL, ST_FLG, 0x145,  2, 0x0, 0x002f, }, /* Load TCP flags */
          0x081,  3, 0x0, 0xffff} , /* Load TCP seq # */
        { "TCP control flags", 0xFFFF, 0x8080, OP_EQ,  0, S2_HTTP,  0,
          S1_TCPHL, ST_FLG, 0x145,  2, 0x0, 0x002f, }, /* Load TCP flags */
@@ -2328,7 +2328,7 @@ static cas_hp_inst_t cas_prog_ip4fragtab[] = {
        { "TCP seq",    /* DADDR should point to dest port */
          0x0000, 0x0000, OP_EQ,  0, S3_TCPFG, 4, S3_TCPFG, LD_SEQ,
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
        { "TCP seq",    /* DADDR should point to dest port */
          0x0000, 0x0000, OP_EQ,  0, S3_TCPFG, 4, S3_TCPFG, LD_SEQ,
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
-       { "TCP control flags", 0x0000, 0x0000, OP_EQ,  0, S3_TCPHL, 0, 
+       { "TCP control flags", 0x0000, 0x0000, OP_EQ,  0, S3_TCPHL, 0,
          S3_TCPHL, ST_FLG, 0x045,  3, 0x0, 0x002f}, /* Load TCP flags */
        { "TCP length", 0x0000, 0x0000, OP_EQ,  0, S3_TCPHc, 0, S3_TCPHc,
          LD_R1,  0x205,  3, 0xB, 0xf000},
          S3_TCPHL, ST_FLG, 0x045,  3, 0x0, 0x002f}, /* Load TCP flags */
        { "TCP length", 0x0000, 0x0000, OP_EQ,  0, S3_TCPHc, 0, S3_TCPHc,
          LD_R1,  0x205,  3, 0xB, 0xf000},
@@ -2338,7 +2338,7 @@ static cas_hp_inst_t cas_prog_ip4fragtab[] = {
          LD_FID, 0x103,  3, 0x0, 0xffff}, /* FID IP4 src+dst */
        { "IP4 frag offset", 0x0000, 0x0000, OP_EQ,  0, S3_FOFF,  0, S3_FOFF,
          LD_SEQ, 0x040,  1, 0xD, 0xfff8},
          LD_FID, 0x103,  3, 0x0, 0xffff}, /* FID IP4 src+dst */
        { "IP4 frag offset", 0x0000, 0x0000, OP_EQ,  0, S3_FOFF,  0, S3_FOFF,
          LD_SEQ, 0x040,  1, 0xD, 0xfff8},
-       { "Cleanup", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,  
+       { "Cleanup", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,
          IM_CTL, 0x001,  3, 0x0, 0x0001},
        { NULL },
 };
          IM_CTL, 0x001,  3, 0x0, 0x0001},
        { NULL },
 };
@@ -2356,11 +2356,11 @@ static cas_hp_inst_t cas_prog_ip46tcp4batchtab[] = {
        { "TCP seq",    /* DADDR should point to dest port */
          0x0000, 0x0000, OP_EQ,  0, S1_TCPFG, 0, S1_TCPFG, LD_SEQ,
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
        { "TCP seq",    /* DADDR should point to dest port */
          0x0000, 0x0000, OP_EQ,  0, S1_TCPFG, 0, S1_TCPFG, LD_SEQ,
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
-       { "TCP control flags", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHL, 0, 
+       { "TCP control flags", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHL, 0,
          S1_TCPHL, ST_FLG, 0x000,  3, 0x0, 0x0000}, /* Load TCP flags */
          S1_TCPHL, ST_FLG, 0x000,  3, 0x0, 0x0000}, /* Load TCP flags */
-       { "TCP length", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHc, 0, 
+       { "TCP length", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHc, 0,
          S1_TCPHc, LD_R1,  0x205,  3, 0xB, 0xf000},
          S1_TCPHc, LD_R1,  0x205,  3, 0xB, 0xf000},
-       { "TCP length cont", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, 
+       { "TCP length cont", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0,
          S1_PCKT,  IM_CTL, 0x040,  3, 0x0, 0xffff}, /* set batch bit */
        { "Cleanup", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,
          IM_CTL, 0x001,  3, 0x0, 0x0001},
          S1_PCKT,  IM_CTL, 0x040,  3, 0x0, 0xffff}, /* set batch bit */
        { "Cleanup", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,
          IM_CTL, 0x001,  3, 0x0, 0x0001},
@@ -2381,7 +2381,7 @@ static cas_hp_inst_t cas_prog_ip46tcp4batchtab[] = {
 static cas_hp_inst_t  cas_prog_workaroundtab[] = {
        { "packet arrival?", 0xffff, 0x0000, OP_NP,  6, S1_VLAN,  0,
          S1_PCKT,  CL_REG, 0x3ff,  1, 0x0, 0x0000} ,
 static cas_hp_inst_t  cas_prog_workaroundtab[] = {
        { "packet arrival?", 0xffff, 0x0000, OP_NP,  6, S1_VLAN,  0,
          S1_PCKT,  CL_REG, 0x3ff,  1, 0x0, 0x0000} ,
-       { "VLAN?", 0xffff, 0x8100, OP_EQ,  1, S1_CFI, 0, S1_8023, 
+       { "VLAN?", 0xffff, 0x8100, OP_EQ,  1, S1_CFI, 0, S1_8023,
          IM_CTL, 0x04a,  3, 0x0, 0xffff},
        { "CFI?", 0x1000, 0x1000, OP_EQ,  0, S1_CLNP,  1, S1_8023,
          CL_REG, 0x000,  0, 0x0, 0x0000},
          IM_CTL, 0x04a,  3, 0x0, 0xffff},
        { "CFI?", 0x1000, 0x1000, OP_EQ,  0, S1_CLNP,  1, S1_8023,
          CL_REG, 0x000,  0, 0x0, 0x0000},
@@ -2395,7 +2395,7 @@ static cas_hp_inst_t  cas_prog_workaroundtab[] = {
          IM_SAP, 0x6AE,  3, 0x0, 0xffff},
        { "IPV4 cont?", 0xff00, 0x4500, OP_EQ,  3, S1_IPV4F, 0, S1_CLNP,
          LD_SUM, 0x00a,  1, 0x0, 0x0000},
          IM_SAP, 0x6AE,  3, 0x0, 0xffff},
        { "IPV4 cont?", 0xff00, 0x4500, OP_EQ,  3, S1_IPV4F, 0, S1_CLNP,
          LD_SUM, 0x00a,  1, 0x0, 0x0000},
-       { "IPV4 frag?", 0x3fff, 0x0000, OP_EQ,  1, S1_TCP44, 0, S1_CLNP,  
+       { "IPV4 frag?", 0x3fff, 0x0000, OP_EQ,  1, S1_TCP44, 0, S1_CLNP,
          LD_LEN, 0x03e,  1, 0x0, 0xffff},
        { "TCP44?", 0x00ff, 0x0006, OP_EQ,  7, S1_TCPSQ, 0, S1_CLNP,
          LD_FID, 0x182,  3, 0x0, 0xffff}, /* FID IP4&TCP src+dst */
          LD_LEN, 0x03e,  1, 0x0, 0xffff},
        { "TCP44?", 0x00ff, 0x0006, OP_EQ,  7, S1_TCPSQ, 0, S1_CLNP,
          LD_FID, 0x182,  3, 0x0, 0xffff}, /* FID IP4&TCP src+dst */
@@ -2408,7 +2408,7 @@ static cas_hp_inst_t  cas_prog_workaroundtab[] = {
        { "TCP64?", 0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_CLNP,
          LD_LEN, 0x03f,  1, 0x0, 0xffff},
        { "TCP seq",      /* DADDR should point to dest port */
        { "TCP64?", 0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_CLNP,
          LD_LEN, 0x03f,  1, 0x0, 0xffff},
        { "TCP seq",      /* DADDR should point to dest port */
-         0x0000, 0x0000, OP_EQ,  0, S1_TCPFG, 4, S1_TCPFG, LD_SEQ, 
+         0x0000, 0x0000, OP_EQ,  0, S1_TCPFG, 4, S1_TCPFG, LD_SEQ,
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
        { "TCP control flags", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHL, 0,
          S1_TCPHL, ST_FLG, 0x045,  3, 0x0, 0x002f}, /* Load TCP flags */
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
        { "TCP control flags", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHL, 0,
          S1_TCPHL, ST_FLG, 0x045,  3, 0x0, 0x002f}, /* Load TCP flags */
@@ -2429,7 +2429,7 @@ static cas_hp_inst_t  cas_prog_workaroundtab[] = {
 
 #ifdef USE_HP_ENCRYPT
 static cas_hp_inst_t  cas_prog_encryptiontab[] = {
 
 #ifdef USE_HP_ENCRYPT
 static cas_hp_inst_t  cas_prog_encryptiontab[] = {
-       { "packet arrival?", 0xffff, 0x0000, OP_NP,  6, S1_VLAN,  0, 
+       { "packet arrival?", 0xffff, 0x0000, OP_NP,  6, S1_VLAN,  0,
          S1_PCKT,  CL_REG, 0x3ff,  1, 0x0, 0x0000},
        { "VLAN?", 0xffff, 0x8100, OP_EQ,  1, S1_CFI,   0, S1_8023,
          IM_CTL, 0x00a,  3, 0x0, 0xffff},
          S1_PCKT,  CL_REG, 0x3ff,  1, 0x0, 0x0000},
        { "VLAN?", 0xffff, 0x8100, OP_EQ,  1, S1_CFI,   0, S1_8023,
          IM_CTL, 0x00a,  3, 0x0, 0xffff},
@@ -2439,19 +2439,19 @@ static cas_hp_inst_t  cas_prog_encryptiontab[] = {
        00,
 #endif
        { "CFI?", /* FIND CFI and If FIND go to CleanUP1 (ignore and send to host) */
        00,
 #endif
        { "CFI?", /* FIND CFI and If FIND go to CleanUP1 (ignore and send to host) */
-         0x1000, 0x1000, OP_EQ,  0, S1_CLNP,  1, S1_8023,  
+         0x1000, 0x1000, OP_EQ,  0, S1_CLNP,  1, S1_8023,
          CL_REG, 0x000,  0, 0x0, 0x0000},
          CL_REG, 0x000,  0, 0x0, 0x0000},
-       { "8023?", 0xffff, 0x0600, OP_LT,  1, S1_LLC,   0, S1_IPV4, 
+       { "8023?", 0xffff, 0x0600, OP_LT,  1, S1_LLC,   0, S1_IPV4,
          CL_REG, 0x000,  0, 0x0, 0x0000},
          CL_REG, 0x000,  0, 0x0, 0x0000},
-       { "LLC?", 0xffff, 0xaaaa, OP_EQ,  1, S1_LLCc,  0, S1_CLNP, 
+       { "LLC?", 0xffff, 0xaaaa, OP_EQ,  1, S1_LLCc,  0, S1_CLNP,
          CL_REG, 0x000,  0, 0x0, 0x0000},
        { "LLCc?", 0xff00, 0x0300, OP_EQ,  2, S1_IPV4,  0, S1_CLNP,
          CL_REG, 0x000,  0, 0x0, 0x0000},
          CL_REG, 0x000,  0, 0x0, 0x0000},
        { "LLCc?", 0xff00, 0x0300, OP_EQ,  2, S1_IPV4,  0, S1_CLNP,
          CL_REG, 0x000,  0, 0x0, 0x0000},
-       { "IPV4?", 0xffff, 0x0800, OP_EQ,  1, S1_IPV4c, 0, S1_IPV6,  
+       { "IPV4?", 0xffff, 0x0800, OP_EQ,  1, S1_IPV4c, 0, S1_IPV6,
          LD_SAP, 0x100,  3, 0x0, 0xffff},
          LD_SAP, 0x100,  3, 0x0, 0xffff},
-       { "IPV4 cont?", 0xff00, 0x4500, OP_EQ,  3, S1_IPV4F, 0, S1_CLNP,  
+       { "IPV4 cont?", 0xff00, 0x4500, OP_EQ,  3, S1_IPV4F, 0, S1_CLNP,
          LD_SUM, 0x00a,  1, 0x0, 0x0000},
          LD_SUM, 0x00a,  1, 0x0, 0x0000},
-       { "IPV4 frag?", 0x3fff, 0x0000, OP_EQ,  1, S1_TCP44, 0, S1_CLNP, 
+       { "IPV4 frag?", 0x3fff, 0x0000, OP_EQ,  1, S1_TCP44, 0, S1_CLNP,
          LD_LEN, 0x03e,  1, 0x0, 0xffff},
        { "TCP44?", 0x00ff, 0x0006, OP_EQ,  7, S1_TCPSQ, 0, S1_ESP4,
          LD_FID, 0x182,  1, 0x0, 0xffff}, /* FID IP4&TCP src+dst */
          LD_LEN, 0x03e,  1, 0x0, 0xffff},
        { "TCP44?", 0x00ff, 0x0006, OP_EQ,  7, S1_TCPSQ, 0, S1_ESP4,
          LD_FID, 0x182,  1, 0x0, 0xffff}, /* FID IP4&TCP src+dst */
@@ -2459,9 +2459,9 @@ static cas_hp_inst_t  cas_prog_encryptiontab[] = {
          LD_SUM, 0x015,  1, 0x0, 0x0000},
        { "IPV6 len", 0xf000, 0x6000, OP_EQ,  0, S1_IPV6c, 0, S1_CLNP,
          IM_R1,  0x128,  1, 0x0, 0xffff},
          LD_SUM, 0x015,  1, 0x0, 0x0000},
        { "IPV6 len", 0xf000, 0x6000, OP_EQ,  0, S1_IPV6c, 0, S1_CLNP,
          IM_R1,  0x128,  1, 0x0, 0xffff},
-       { "IPV6 cont?", 0x0000, 0x0000, OP_EQ,  3, S1_TCP64, 0, S1_CLNP, 
+       { "IPV6 cont?", 0x0000, 0x0000, OP_EQ,  3, S1_TCP64, 0, S1_CLNP,
          LD_FID, 0x484,  1, 0x0, 0xffff}, /*  FID IP6&TCP src+dst */
          LD_FID, 0x484,  1, 0x0, 0xffff}, /*  FID IP6&TCP src+dst */
-       { "TCP64?", 
+       { "TCP64?",
 #if 0
 //@@@0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_ESP6,  LD_LEN, 0x03f,  1, 0x0, 0xffff,
 #endif
 #if 0
 //@@@0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_ESP6,  LD_LEN, 0x03f,  1, 0x0, 0xffff,
 #endif
@@ -2472,10 +2472,10 @@ static cas_hp_inst_t  cas_prog_encryptiontab[] = {
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
        { "TCP control flags", 0xFFFF, 0x8080, OP_EQ,  0, S2_HTTP,  0,
          S1_TCPHL, ST_FLG, 0x145,  2, 0x0, 0x002f}, /* Load TCP flags */
          0x081,  3, 0x0, 0xffff}, /* Load TCP seq # */
        { "TCP control flags", 0xFFFF, 0x8080, OP_EQ,  0, S2_HTTP,  0,
          S1_TCPHL, ST_FLG, 0x145,  2, 0x0, 0x002f}, /* Load TCP flags */
-       { "TCP length", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHc, 0, S1_TCPHc, 
+       { "TCP length", 0x0000, 0x0000, OP_EQ,  0, S1_TCPHc, 0, S1_TCPHc,
          LD_R1,  0x205,  3, 0xB, 0xf000} ,
        { "TCP length cont", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0,
          LD_R1,  0x205,  3, 0xB, 0xf000} ,
        { "TCP length cont", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0,
-         S1_PCKT,  LD_HDR, 0x0ff,  3, 0x0, 0xffff}, 
+         S1_PCKT,  LD_HDR, 0x0ff,  3, 0x0, 0xffff},
        { "Cleanup", 0x0000, 0x0000, OP_EQ,  0, S1_CLNP2,  0, S1_CLNP2,
          IM_CTL, 0x001,  3, 0x0, 0x0001},
        { "Cleanup 2", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,
        { "Cleanup", 0x0000, 0x0000, OP_EQ,  0, S1_CLNP2,  0, S1_CLNP2,
          IM_CTL, 0x001,  3, 0x0, 0x0001},
        { "Cleanup 2", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,
@@ -2483,7 +2483,7 @@ static cas_hp_inst_t  cas_prog_encryptiontab[] = {
        { "Drop packet", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,
          IM_CTL, 0x080,  3, 0x0, 0xffff},
        { "No HTTP", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,
        { "Drop packet", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,
          IM_CTL, 0x080,  3, 0x0, 0xffff},
        { "No HTTP", 0x0000, 0x0000, OP_EQ,  0, S1_PCKT,  0, S1_PCKT,
-         IM_CTL, 0x044,  3, 0x0, 0xffff}, 
+         IM_CTL, 0x044,  3, 0x0, 0xffff},
        { "IPV4 ESP encrypted?",  /* S1_ESP4 */
          0x00ff, 0x0032, OP_EQ,  0, S1_CLNP2, 0, S1_AH4, IM_CTL,
          0x021, 1,  0x0, 0xffff},
        { "IPV4 ESP encrypted?",  /* S1_ESP4 */
          0x00ff, 0x0032, OP_EQ,  0, S1_CLNP2, 0, S1_AH4, IM_CTL,
          0x021, 1,  0x0, 0xffff},
@@ -4044,7 +4044,7 @@ cas_saturn_patch_t cas_saturn_patch[] = {
  * deal with that, i just allocate rings to create the desired
  * alignment. here are the constraints:
  *   RX DESC and COMP rings must be 8KB aligned
  * deal with that, i just allocate rings to create the desired
  * alignment. here are the constraints:
  *   RX DESC and COMP rings must be 8KB aligned
- *   TX DESC must be 2KB aligned. 
+ *   TX DESC must be 2KB aligned.
  * if you change the numbers, be cognizant of how the alignment will change
  * in INIT_BLOCK as well.
  */
  * if you change the numbers, be cognizant of how the alignment will change
  * in INIT_BLOCK as well.
  */
@@ -4095,20 +4095,20 @@ cas_saturn_patch_t cas_saturn_patch[] = {
 /* min is 2k, but we can't do jumbo frames unless it's at least 8k */
 #define CAS_MIN_PAGE_SHIFT            11 /* 2048 */
 #define CAS_JUMBO_PAGE_SHIFT          13 /* 8192 */
 /* min is 2k, but we can't do jumbo frames unless it's at least 8k */
 #define CAS_MIN_PAGE_SHIFT            11 /* 2048 */
 #define CAS_JUMBO_PAGE_SHIFT          13 /* 8192 */
-#define CAS_MAX_PAGE_SHIFT            14 /* 16384 */             
+#define CAS_MAX_PAGE_SHIFT            14 /* 16384 */
 
 #define TX_DESC_BUFLEN_MASK         0x0000000000003FFFULL /* buffer length in
                                                             bytes. 0 - 9256 */
 #define TX_DESC_BUFLEN_SHIFT        0
 #define TX_DESC_CSUM_START_MASK     0x00000000001F8000ULL /* checksum start. #
 
 #define TX_DESC_BUFLEN_MASK         0x0000000000003FFFULL /* buffer length in
                                                             bytes. 0 - 9256 */
 #define TX_DESC_BUFLEN_SHIFT        0
 #define TX_DESC_CSUM_START_MASK     0x00000000001F8000ULL /* checksum start. #
-                                                            of bytes to be 
+                                                            of bytes to be
                                                             skipped before
                                                             csum calc begins.
                                                             value must be
                                                             even */
 #define TX_DESC_CSUM_START_SHIFT    15
 #define TX_DESC_CSUM_STUFF_MASK     0x000000001FE00000ULL /* checksum stuff.
                                                             skipped before
                                                             csum calc begins.
                                                             value must be
                                                             even */
 #define TX_DESC_CSUM_START_SHIFT    15
 #define TX_DESC_CSUM_STUFF_MASK     0x000000001FE00000ULL /* checksum stuff.
-                                                            byte offset w/in 
+                                                            byte offset w/in
                                                             the pkt for the
                                                             1st csum byte.
                                                             must be > 8 */
                                                             the pkt for the
                                                             1st csum byte.
                                                             must be > 8 */
@@ -4137,7 +4137,7 @@ struct cas_rx_desc {
 
 /* received packets are put on the completion ring. */
 /* word 1 */
 
 /* received packets are put on the completion ring. */
 /* word 1 */
-#define RX_COMP1_DATA_SIZE_MASK           0x0000000007FFE000ULL   
+#define RX_COMP1_DATA_SIZE_MASK           0x0000000007FFE000ULL
 #define RX_COMP1_DATA_SIZE_SHIFT          13
 #define RX_COMP1_DATA_OFF_MASK            0x000001FFF8000000ULL
 #define RX_COMP1_DATA_OFF_SHIFT           27
 #define RX_COMP1_DATA_SIZE_SHIFT          13
 #define RX_COMP1_DATA_OFF_MASK            0x000001FFF8000000ULL
 #define RX_COMP1_DATA_OFF_SHIFT           27
@@ -4147,8 +4147,8 @@ struct cas_rx_desc {
 #define RX_COMP1_SKIP_SHIFT               55
 #define RX_COMP1_RELEASE_NEXT             0x0200000000000000ULL
 #define RX_COMP1_SPLIT_PKT                0x0400000000000000ULL
 #define RX_COMP1_SKIP_SHIFT               55
 #define RX_COMP1_RELEASE_NEXT             0x0200000000000000ULL
 #define RX_COMP1_SPLIT_PKT                0x0400000000000000ULL
-#define RX_COMP1_RELEASE_FLOW             0x0800000000000000ULL  
-#define RX_COMP1_RELEASE_DATA             0x1000000000000000ULL  
+#define RX_COMP1_RELEASE_FLOW             0x0800000000000000ULL
+#define RX_COMP1_RELEASE_DATA             0x1000000000000000ULL
 #define RX_COMP1_RELEASE_HDR              0x2000000000000000ULL
 #define RX_COMP1_TYPE_MASK                0xC000000000000000ULL
 #define RX_COMP1_TYPE_SHIFT               62
 #define RX_COMP1_RELEASE_HDR              0x2000000000000000ULL
 #define RX_COMP1_TYPE_MASK                0xC000000000000000ULL
 #define RX_COMP1_TYPE_SHIFT               62
@@ -4201,7 +4201,7 @@ struct cas_rx_desc {
 
 /* we encode the following: ring/index/release. only 14 bits
  * are usable.
 
 /* we encode the following: ring/index/release. only 14 bits
  * are usable.
- * NOTE: the encoding is dependent upon RX_DESC_RING_SIZE and 
+ * NOTE: the encoding is dependent upon RX_DESC_RING_SIZE and
  *       MAX_RX_DESC_RINGS. */
 #define RX_INDEX_NUM_MASK                 0x0000000000000FFFULL
 #define RX_INDEX_NUM_SHIFT                0
  *       MAX_RX_DESC_RINGS. */
 #define RX_INDEX_NUM_MASK                 0x0000000000000FFFULL
 #define RX_INDEX_NUM_SHIFT                0
@@ -4214,7 +4214,7 @@ struct cas_rx_comp {
        u64     word2;
        u64     word3;
        u64     word4;
        u64     word2;
        u64     word3;
        u64     word4;
-}; 
+};
 
 enum link_state {
        link_down = 0,  /* No link, will retry */
 
 enum link_state {
        link_down = 0,  /* No link, will retry */
@@ -4235,9 +4235,9 @@ typedef struct cas_page {
 
 /* some alignment constraints:
  * TX DESC, RX DESC, and RX COMP must each be 8K aligned.
 
 /* some alignment constraints:
  * TX DESC, RX DESC, and RX COMP must each be 8K aligned.
- * TX COMPWB must be 8-byte aligned. 
+ * TX COMPWB must be 8-byte aligned.
  * to accomplish this, here's what we do:
  * to accomplish this, here's what we do:
- * 
+ *
  * INIT_BLOCK_RX_COMP  = 64k (already aligned)
  * INIT_BLOCK_RX_DESC  = 8k
  * INIT_BLOCK_TX       = 8k
  * INIT_BLOCK_RX_COMP  = 64k (already aligned)
  * INIT_BLOCK_RX_DESC  = 8k
  * INIT_BLOCK_TX       = 8k
@@ -4250,9 +4250,9 @@ typedef struct cas_page {
 
 struct cas_init_block {
        struct cas_rx_comp rxcs[N_RX_COMP_RINGS][INIT_BLOCK_RX_COMP];
 
 struct cas_init_block {
        struct cas_rx_comp rxcs[N_RX_COMP_RINGS][INIT_BLOCK_RX_COMP];
-       struct cas_rx_desc rxds[N_RX_DESC_RINGS][INIT_BLOCK_RX_DESC]; 
+       struct cas_rx_desc rxds[N_RX_DESC_RINGS][INIT_BLOCK_RX_DESC];
        struct cas_tx_desc txds[N_TX_RINGS][INIT_BLOCK_TX];
        struct cas_tx_desc txds[N_TX_RINGS][INIT_BLOCK_TX];
-       u64 tx_compwb; 
+       u64 tx_compwb;
 };
 
 /* tiny buffers to deal with target abort issue. we allocate a bit
 };
 
 /* tiny buffers to deal with target abort issue. we allocate a bit
@@ -4278,13 +4278,13 @@ struct cas {
        int tx_new[N_TX_RINGS], tx_old[N_TX_RINGS];
        int rx_old[N_RX_DESC_RINGS];
        int rx_cur[N_RX_COMP_RINGS], rx_new[N_RX_COMP_RINGS];
        int tx_new[N_TX_RINGS], tx_old[N_TX_RINGS];
        int rx_old[N_RX_DESC_RINGS];
        int rx_cur[N_RX_COMP_RINGS], rx_new[N_RX_COMP_RINGS];
-       int rx_last[N_RX_DESC_RINGS]; 
+       int rx_last[N_RX_DESC_RINGS];
 
        /* Set when chip is actually in operational state
         * (ie. not power managed) */
        int hw_running;
        int opened;
 
        /* Set when chip is actually in operational state
         * (ie. not power managed) */
        int hw_running;
        int opened;
-       struct semaphore pm_sem; /* open/close/suspend/resume */
+       struct mutex pm_mutex; /* open/close/suspend/resume */
 
        struct cas_init_block *init_block;
        struct cas_tx_desc *init_txds[MAX_TX_RINGS];
 
        struct cas_init_block *init_block;
        struct cas_tx_desc *init_txds[MAX_TX_RINGS];
@@ -4337,7 +4337,7 @@ struct cas {
        int                     min_frame_size; /* for tx fifo workaround */
 
        /* page size allocation */
        int                     min_frame_size; /* for tx fifo workaround */
 
        /* page size allocation */
-       int                     page_size; 
+       int                     page_size;
        int                     page_order;
        int                     mtu_stride;
 
        int                     page_order;
        int                     mtu_stride;
 
@@ -4362,7 +4362,7 @@ struct cas {
 #ifdef CONFIG_CASSINI_QGE_DEBUG
        atomic_t interrupt_seen; /* 1 if any interrupts are getting through */
 #endif
 #ifdef CONFIG_CASSINI_QGE_DEBUG
        atomic_t interrupt_seen; /* 1 if any interrupts are getting through */
 #endif
-       
+
        /* Link-down problem workaround */
 #define LINK_TRANSITION_UNKNOWN        0
 #define LINK_TRANSITION_ON_FAILURE     1
        /* Link-down problem workaround */
 #define LINK_TRANSITION_UNKNOWN        0
 #define LINK_TRANSITION_ON_FAILURE     1
@@ -4383,7 +4383,7 @@ struct cas {
        int                     casreg_len; /* reg-space size for dumping */
        u64                     pause_entered;
        u16                     pause_last_time_recvd;
        int                     casreg_len; /* reg-space size for dumping */
        u64                     pause_entered;
        u16                     pause_last_time_recvd;
-  
+
        dma_addr_t block_dvma, tx_tiny_dvma[N_TX_RINGS];
        struct pci_dev *pdev;
        struct net_device *dev;
        dma_addr_t block_dvma, tx_tiny_dvma[N_TX_RINGS];
        struct pci_dev *pdev;
        struct net_device *dev;
@@ -4394,7 +4394,7 @@ struct cas {
 #define RX_COMP_ENTRY(r, x) ((x) & (RX_COMP_RINGN_SIZE(r) - 1))
 
 #define TX_BUFF_COUNT(r, x, y)    ((x) <= (y) ? ((y) - (x)) : \
 #define RX_COMP_ENTRY(r, x) ((x) & (RX_COMP_RINGN_SIZE(r) - 1))
 
 #define TX_BUFF_COUNT(r, x, y)    ((x) <= (y) ? ((y) - (x)) : \
-        (TX_DESC_RINGN_SIZE(r) - (x) + (y)))    
+        (TX_DESC_RINGN_SIZE(r) - (x) + (y)))
 
 #define TX_BUFFS_AVAIL(cp, i)  ((cp)->tx_old[(i)] <= (cp)->tx_new[(i)] ? \
         (cp)->tx_old[(i)] + (TX_DESC_RINGN_SIZE(i) - 1) - (cp)->tx_new[(i)] : \
 
 #define TX_BUFFS_AVAIL(cp, i)  ((cp)->tx_old[(i)] <= (cp)->tx_new[(i)] ? \
         (cp)->tx_old[(i)] + (TX_DESC_RINGN_SIZE(i) - 1) - (cp)->tx_new[(i)] : \