1 /*------------------------------------------------------------------------
2 . smc91x.h - macros for SMSC's 91C9x/91C1xx single-chip Ethernet device.
4 . Copyright (C) 1996 by Erik Stahlman
5 . Copyright (C) 2001 Standard Microsystems Corporation
6 . Developed by Simple Network Magic Corporation
7 . Copyright (C) 2003 Monta Vista Software, Inc.
8 . Unified SMC91x driver by Nicolas Pitre
10 . This program is free software; you can redistribute it and/or modify
11 . it under the terms of the GNU General Public License as published by
12 . the Free Software Foundation; either version 2 of the License, or
13 . (at your option) any later version.
15 . This program is distributed in the hope that it will be useful,
16 . but WITHOUT ANY WARRANTY; without even the implied warranty of
17 . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 . GNU General Public License for more details.
20 . You should have received a copy of the GNU General Public License
21 . along with this program; if not, write to the Free Software
22 . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 . Information contained in this file was obtained from the LAN91C111
25 . manual from SMC. To get a copy, if you really want one, you can find
26 . information under www.smsc.com.
29 . Erik Stahlman <erik@vt.edu>
30 . Daris A Nevil <dnevil@snmc.com>
31 . Nicolas Pitre <nico@cam.org>
33 ---------------------------------------------------------------------------*/
39 * Define your architecture specific bus configuration parameters here.
42 #if defined(CONFIG_SA1100_GRAPHICSCLIENT) || \
43 defined(CONFIG_SA1100_PFS168) || \
44 defined(CONFIG_SA1100_FLEXANET) || \
45 defined(CONFIG_SA1100_GRAPHICSMASTER) || \
46 defined(CONFIG_ARCH_LUBBOCK)
48 /* We can only do 16-bit reads and writes in the static memory space. */
49 #define SMC_CAN_USE_8BIT 0
50 #define SMC_CAN_USE_16BIT 1
51 #define SMC_CAN_USE_32BIT 0
54 /* The first two address lines aren't connected... */
55 #define SMC_IO_SHIFT 2
57 #define SMC_inw(a, r) readw((a) + (r))
58 #define SMC_outw(v, a, r) writew(v, (a) + (r))
59 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
60 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
62 #elif defined(CONFIG_REDWOOD_5) || defined(CONFIG_REDWOOD_6)
64 /* We can only do 16-bit reads and writes in the static memory space. */
65 #define SMC_CAN_USE_8BIT 0
66 #define SMC_CAN_USE_16BIT 1
67 #define SMC_CAN_USE_32BIT 0
70 #define SMC_IO_SHIFT 0
72 #define SMC_inw(a, r) in_be16((volatile u16 *)((a) + (r)))
73 #define SMC_outw(v, a, r) out_be16((volatile u16 *)((a) + (r)), v)
74 #define SMC_insw(a, r, p, l) \
76 unsigned long __port = (a) + (r); \
77 u16 *__p = (u16 *)(p); \
79 insw(__port, __p, __l); \
81 *__p = swab16(*__p); \
86 #define SMC_outsw(a, r, p, l) \
88 unsigned long __port = (a) + (r); \
89 u16 *__p = (u16 *)(p); \
92 /* Believe it or not, the swab isn't needed. */ \
93 outw( /* swab16 */ (*__p++), __port); \
97 #define set_irq_type(irq, type)
99 #elif defined(CONFIG_SA1100_ASSABET)
101 #include <asm/arch/neponset.h>
103 /* We can only do 8-bit reads and writes in the static memory space. */
104 #define SMC_CAN_USE_8BIT 1
105 #define SMC_CAN_USE_16BIT 0
106 #define SMC_CAN_USE_32BIT 0
109 /* The first two address lines aren't connected... */
110 #define SMC_IO_SHIFT 2
112 #define SMC_inb(a, r) readb((a) + (r))
113 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
114 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
115 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
117 #elif defined(CONFIG_ARCH_INNOKOM) || \
118 defined(CONFIG_MACH_MAINSTONE) || \
119 defined(CONFIG_ARCH_PXA_IDP) || \
120 defined(CONFIG_ARCH_RAMSES)
122 #define SMC_CAN_USE_8BIT 1
123 #define SMC_CAN_USE_16BIT 1
124 #define SMC_CAN_USE_32BIT 1
125 #define SMC_IO_SHIFT 0
127 #define SMC_USE_PXA_DMA 1
129 #define SMC_inb(a, r) readb((a) + (r))
130 #define SMC_inw(a, r) readw((a) + (r))
131 #define SMC_inl(a, r) readl((a) + (r))
132 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
133 #define SMC_outl(v, a, r) writel(v, (a) + (r))
134 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
135 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
137 /* We actually can't write halfwords properly if not word aligned */
139 SMC_outw(u16 val, unsigned long ioaddr, int reg)
142 unsigned int v = val << 16;
143 v |= readl(ioaddr + (reg & ~2)) & 0xffff;
144 writel(v, ioaddr + (reg & ~2));
146 writew(val, ioaddr + reg);
150 #elif defined(CONFIG_ISA)
152 #define SMC_CAN_USE_8BIT 1
153 #define SMC_CAN_USE_16BIT 1
154 #define SMC_CAN_USE_32BIT 0
156 #define SMC_inb(a, r) inb((a) + (r))
157 #define SMC_inw(a, r) inw((a) + (r))
158 #define SMC_outb(v, a, r) outb(v, (a) + (r))
159 #define SMC_outw(v, a, r) outw(v, (a) + (r))
160 #define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
161 #define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
165 #define SMC_CAN_USE_8BIT 1
166 #define SMC_CAN_USE_16BIT 1
167 #define SMC_CAN_USE_32BIT 1
170 #define SMC_inb(a, r) readb((a) + (r))
171 #define SMC_inw(a, r) readw((a) + (r))
172 #define SMC_inl(a, r) readl((a) + (r))
173 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
174 #define SMC_outw(v, a, r) writew(v, (a) + (r))
175 #define SMC_outl(v, a, r) writel(v, (a) + (r))
176 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
177 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
179 #define RPC_LSA_DEFAULT RPC_LED_100_10
180 #define RPC_LSB_DEFAULT RPC_LED_TX_RX
185 #ifdef SMC_USE_PXA_DMA
187 * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
188 * always happening in irq context so no need to worry about races. TX is
189 * different and probably not worth it for that reason, and not as critical
190 * as RX which can overrun memory and lose packets.
192 #include <linux/pci.h>
197 #define SMC_insl(a, r, p, l) \
198 smc_pxa_dma_insl(a, lp->physaddr, r, dev->dma, p, l)
200 smc_pxa_dma_insl(u_long ioaddr, u_long physaddr, int reg, int dma,
201 u_char *buf, int len)
205 /* fallback if no DMA available */
206 if (dma == (unsigned char)-1) {
207 readsl(ioaddr + reg, buf, len);
211 /* 64 bit alignment is required for memory to memory DMA */
213 *((u32 *)buf)++ = SMC_inl(ioaddr, reg);
218 dmabuf = dma_map_single(NULL, buf, len, PCI_DMA_FROMDEVICE);
219 DCSR(dma) = DCSR_NODESC;
221 DSADR(dma) = physaddr + reg;
222 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
223 DCMD_WIDTH4 | (DCMD_LENGTH & len));
224 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
225 while (!(DCSR(dma) & DCSR_STOPSTATE));
227 dma_unmap_single(NULL, dmabuf, len, PCI_DMA_FROMDEVICE);
233 #define SMC_insw(a, r, p, l) \
234 smc_pxa_dma_insw(a, lp->physaddr, r, dev->dma, p, l)
236 smc_pxa_dma_insw(u_long ioaddr, u_long physaddr, int reg, int dma,
237 u_char *buf, int len)
241 /* fallback if no DMA available */
242 if (dma == (unsigned char)-1) {
243 readsw(ioaddr + reg, buf, len);
247 /* 64 bit alignment is required for memory to memory DMA */
248 while ((long)buf & 6) {
249 *((u16 *)buf)++ = SMC_inw(ioaddr, reg);
254 dmabuf = dma_map_single(NULL, buf, len, PCI_DMA_FROMDEVICE);
255 DCSR(dma) = DCSR_NODESC;
257 DSADR(dma) = physaddr + reg;
258 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
259 DCMD_WIDTH2 | (DCMD_LENGTH & len));
260 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
261 while (!(DCSR(dma) & DCSR_STOPSTATE));
263 dma_unmap_single(NULL, dmabuf, len, PCI_DMA_FROMDEVICE);
268 smc_pxa_dma_irq(int dma, void *dummy, struct pt_regs *regs)
272 #endif /* SMC_USE_PXA_DMA */
275 /* Because of bank switching, the LAN91x uses only 16 I/O ports */
277 #define SMC_IO_SHIFT 0
279 #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
283 . Bank Select Register:
285 . yyyy yyyy 0000 00xx
287 . yyyy yyyy = 0x33, for identification purposes.
289 #define BANK_SELECT (14 << SMC_IO_SHIFT)
292 // Transmit Control Register
294 #define TCR_REG SMC_REG(0x0000, 0)
295 #define TCR_ENABLE 0x0001 // When 1 we can transmit
296 #define TCR_LOOP 0x0002 // Controls output pin LBK
297 #define TCR_FORCOL 0x0004 // When 1 will force a collision
298 #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
299 #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
300 #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
301 #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
302 #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
303 #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
304 #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
306 #define TCR_CLEAR 0 /* do NOTHING */
307 /* the default settings for the TCR register : */
308 #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
311 // EPH Status Register
313 #define EPH_STATUS_REG SMC_REG(0x0002, 0)
314 #define ES_TX_SUC 0x0001 // Last TX was successful
315 #define ES_SNGL_COL 0x0002 // Single collision detected for last tx
316 #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
317 #define ES_LTX_MULT 0x0008 // Last tx was a multicast
318 #define ES_16COL 0x0010 // 16 Collisions Reached
319 #define ES_SQET 0x0020 // Signal Quality Error Test
320 #define ES_LTXBRD 0x0040 // Last tx was a broadcast
321 #define ES_TXDEFR 0x0080 // Transmit Deferred
322 #define ES_LATCOL 0x0200 // Late collision detected on last tx
323 #define ES_LOSTCARR 0x0400 // Lost Carrier Sense
324 #define ES_EXC_DEF 0x0800 // Excessive Deferral
325 #define ES_CTR_ROL 0x1000 // Counter Roll Over indication
326 #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
327 #define ES_TXUNRN 0x8000 // Tx Underrun
330 // Receive Control Register
332 #define RCR_REG SMC_REG(0x0004, 0)
333 #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
334 #define RCR_PRMS 0x0002 // Enable promiscuous mode
335 #define RCR_ALMUL 0x0004 // When set accepts all multicast frames
336 #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
337 #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
338 #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
339 #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
340 #define RCR_SOFTRST 0x8000 // resets the chip
342 /* the normal settings for the RCR register : */
343 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
344 #define RCR_CLEAR 0x0 // set it to a base state
349 #define COUNTER_REG SMC_REG(0x0006, 0)
352 // Memory Information Register
354 #define MIR_REG SMC_REG(0x0008, 0)
357 // Receive/Phy Control Register
359 #define RPC_REG SMC_REG(0x000A, 0)
360 #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
361 #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
362 #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
363 #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
364 #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
365 #define RPC_LED_100_10 (0x00) // LED = 100Mbps OR's with 10Mbps link detect
366 #define RPC_LED_RES (0x01) // LED = Reserved
367 #define RPC_LED_10 (0x02) // LED = 10Mbps link detect
368 #define RPC_LED_FD (0x03) // LED = Full Duplex Mode
369 #define RPC_LED_TX_RX (0x04) // LED = TX or RX packet occurred
370 #define RPC_LED_100 (0x05) // LED = 100Mbps link dectect
371 #define RPC_LED_TX (0x06) // LED = TX packet occurred
372 #define RPC_LED_RX (0x07) // LED = RX packet occurred
374 #ifndef RPC_LSA_DEFAULT
375 #define RPC_LSA_DEFAULT RPC_LED_100
377 #ifndef RPC_LSB_DEFAULT
378 #define RPC_LSB_DEFAULT RPC_LED_FD
381 #define RPC_DEFAULT (RPC_ANEG | (RPC_LSA_DEFAULT << RPC_LSXA_SHFT) | (RPC_LSB_DEFAULT << RPC_LSXB_SHFT) | RPC_SPEED | RPC_DPLX)
384 /* Bank 0 0x0C is reserved */
386 // Bank Select Register
388 #define BSR_REG 0x000E
393 #define CONFIG_REG SMC_REG(0x0000, 1)
394 #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
395 #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
396 #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
397 #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
399 // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
400 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
403 // Base Address Register
405 #define BASE_REG SMC_REG(0x0002, 1)
408 // Individual Address Registers
410 #define ADDR0_REG SMC_REG(0x0004, 1)
411 #define ADDR1_REG SMC_REG(0x0006, 1)
412 #define ADDR2_REG SMC_REG(0x0008, 1)
415 // General Purpose Register
417 #define GP_REG SMC_REG(0x000A, 1)
422 #define CTL_REG SMC_REG(0x000C, 1)
423 #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
424 #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
425 #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
426 #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
427 #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
428 #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
429 #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
430 #define CTL_STORE 0x0001 // When set stores registers into EEPROM
433 // MMU Command Register
435 #define MMU_CMD_REG SMC_REG(0x0000, 2)
436 #define MC_BUSY 1 // When 1 the last release has not completed
437 #define MC_NOP (0<<5) // No Op
438 #define MC_ALLOC (1<<5) // OR with number of 256 byte packets
439 #define MC_RESET (2<<5) // Reset MMU to initial state
440 #define MC_REMOVE (3<<5) // Remove the current rx packet
441 #define MC_RELEASE (4<<5) // Remove and release the current rx packet
442 #define MC_FREEPKT (5<<5) // Release packet in PNR register
443 #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
444 #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
447 // Packet Number Register
449 #define PN_REG SMC_REG(0x0002, 2)
452 // Allocation Result Register
454 #define AR_REG SMC_REG(0x0003, 2)
455 #define AR_FAILED 0x80 // Alocation Failed
458 // TX FIFO Ports Register
460 #define TXFIFO_REG SMC_REG(0x0004, 2)
461 #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
463 // RX FIFO Ports Register
465 #define RXFIFO_REG SMC_REG(0x0005, 2)
466 #define RXFIFO_REMPTY 0x80 // RX FIFO Empty
468 #define FIFO_REG SMC_REG(0x0004, 2)
472 #define PTR_REG SMC_REG(0x0006, 2)
473 #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
474 #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
475 #define PTR_READ 0x2000 // When 1 the operation is a read
480 #define DATA_REG SMC_REG(0x0008, 2)
483 // Interrupt Status/Acknowledge Register
485 #define INT_REG SMC_REG(0x000C, 2)
488 // Interrupt Mask Register
490 #define IM_REG SMC_REG(0x000D, 2)
491 #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
492 #define IM_ERCV_INT 0x40 // Early Receive Interrupt
493 #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
494 #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
495 #define IM_ALLOC_INT 0x08 // Set when allocation request is completed
496 #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
497 #define IM_TX_INT 0x02 // Transmit Interrupt
498 #define IM_RCV_INT 0x01 // Receive Interrupt
501 // Multicast Table Registers
503 #define MCAST_REG1 SMC_REG(0x0000, 3)
504 #define MCAST_REG2 SMC_REG(0x0002, 3)
505 #define MCAST_REG3 SMC_REG(0x0004, 3)
506 #define MCAST_REG4 SMC_REG(0x0006, 3)
509 // Management Interface Register (MII)
511 #define MII_REG SMC_REG(0x0008, 3)
512 #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
513 #define MII_MDOE 0x0008 // MII Output Enable
514 #define MII_MCLK 0x0004 // MII Clock, pin MDCLK
515 #define MII_MDI 0x0002 // MII Input, pin MDI
516 #define MII_MDO 0x0001 // MII Output, pin MDO
521 /* ( hi: chip id low: rev # ) */
522 #define REV_REG SMC_REG(0x000A, 3)
525 // Early RCV Register
527 /* this is NOT on SMC9192 */
528 #define ERCV_REG SMC_REG(0x000C, 3)
529 #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
530 #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
535 #define EXT_REG SMC_REG(0x0000, 7)
543 #define CHIP_91100FD 8
544 #define CHIP_91111FD 9
546 static const char * chip_ids[ 16 ] = {
548 /* 3 */ "SMC91C90/91C92",
553 /* 8 */ "SMC91C100FD",
554 /* 9 */ "SMC91C11xFD",
560 . Transmit status bits
562 #define TS_SUCCESS 0x0001
563 #define TS_LOSTCAR 0x0400
564 #define TS_LATCOL 0x0200
565 #define TS_16COL 0x0010
568 . Receive status bits
570 #define RS_ALGNERR 0x8000
571 #define RS_BRODCAST 0x4000
572 #define RS_BADCRC 0x2000
573 #define RS_ODDFRAME 0x1000
574 #define RS_TOOLONG 0x0800
575 #define RS_TOOSHORT 0x0400
576 #define RS_MULTICAST 0x0001
577 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
582 * LAN83C183 == LAN91C111 Internal PHY
584 #define PHY_LAN83C183 0x0016f840
585 #define PHY_LAN83C180 0x02821c50
588 * PHY Register Addresses (LAN91C111 Internal PHY)
590 * Generic PHY registers can be found in <linux/mii.h>
592 * These phy registers are specific to our on-board phy.
595 // PHY Configuration Register 1
596 #define PHY_CFG1_REG 0x10
597 #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
598 #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
599 #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
600 #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
601 #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
602 #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
603 #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
604 #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
605 #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
606 #define PHY_CFG1_TLVL_MASK 0x003C
607 #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
610 // PHY Configuration Register 2
611 #define PHY_CFG2_REG 0x11
612 #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
613 #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
614 #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
615 #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
617 // PHY Status Output (and Interrupt status) Register
618 #define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
619 #define PHY_INT_INT 0x8000 // 1=bits have changed since last read
620 #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
621 #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
622 #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
623 #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
624 #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
625 #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
626 #define PHY_INT_JAB 0x0100 // 1=Jabber detected
627 #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
628 #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
630 // PHY Interrupt/Status Mask Register
631 #define PHY_MASK_REG 0x13 // Interrupt Mask
632 // Uses the same bit definitions as PHY_INT_REG
636 * SMC91C96 ethernet config and status registers.
637 * These are in the "attribute" space.
640 #define ECOR_RESET 0x80
641 #define ECOR_LEVEL_IRQ 0x40
642 #define ECOR_WR_ATTRIB 0x04
643 #define ECOR_ENABLE 0x01
646 #define ECSR_IOIS8 0x20
647 #define ECSR_PWRDWN 0x04
648 #define ECSR_INT 0x02
650 #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
654 * Macros to abstract register access according to the data bus
655 * capabilities. Please use those and not the in/out primitives.
656 * Note: the following macros do *not* select the bank -- this must
657 * be done separately as needed in the main code. The SMC_REG() macro
658 * only uses the bank argument for debugging purposes (when enabled).
662 #define SMC_REG(reg, bank) \
664 int __b = SMC_CURRENT_BANK(); \
665 if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
666 printk( "%s: bank reg screwed (0x%04x)\n", \
673 #define SMC_REG(reg, bank) (reg<<SMC_IO_SHIFT)
677 #define SMC_GET_PN() SMC_inb( ioaddr, PN_REG )
678 #define SMC_SET_PN(x) SMC_outb( x, ioaddr, PN_REG )
679 #define SMC_GET_AR() SMC_inb( ioaddr, AR_REG )
680 #define SMC_GET_TXFIFO() SMC_inb( ioaddr, TXFIFO_REG )
681 #define SMC_GET_RXFIFO() SMC_inb( ioaddr, RXFIFO_REG )
682 #define SMC_GET_INT() SMC_inb( ioaddr, INT_REG )
683 #define SMC_ACK_INT(x) SMC_outb( x, ioaddr, INT_REG )
684 #define SMC_GET_INT_MASK() SMC_inb( ioaddr, IM_REG )
685 #define SMC_SET_INT_MASK(x) SMC_outb( x, ioaddr, IM_REG )
687 #define SMC_GET_PN() (SMC_inw( ioaddr, PN_REG ) & 0xFF)
688 #define SMC_SET_PN(x) SMC_outw( x, ioaddr, PN_REG )
689 #define SMC_GET_AR() (SMC_inw( ioaddr, PN_REG ) >> 8)
690 #define SMC_GET_TXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) & 0xFF)
691 #define SMC_GET_RXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) >> 8)
692 #define SMC_GET_INT() (SMC_inw( ioaddr, INT_REG ) & 0xFF)
693 #define SMC_ACK_INT(x) \
695 unsigned long __flags; \
697 local_irq_save(__flags); \
698 __mask = SMC_inw( ioaddr, INT_REG ) & ~0xff; \
699 SMC_outw( __mask | (x), ioaddr, INT_REG ); \
700 local_irq_restore(__flags); \
702 #define SMC_GET_INT_MASK() (SMC_inw( ioaddr, INT_REG ) >> 8)
703 #define SMC_SET_INT_MASK(x) SMC_outw( (x) << 8, ioaddr, INT_REG )
706 #define SMC_CURRENT_BANK() SMC_inw( ioaddr, BANK_SELECT )
707 #define SMC_SELECT_BANK(x) SMC_outw( x, ioaddr, BANK_SELECT )
708 #define SMC_GET_BASE() SMC_inw( ioaddr, BASE_REG )
709 #define SMC_SET_BASE(x) SMC_outw( x, ioaddr, BASE_REG )
710 #define SMC_GET_CONFIG() SMC_inw( ioaddr, CONFIG_REG )
711 #define SMC_SET_CONFIG(x) SMC_outw( x, ioaddr, CONFIG_REG )
712 #define SMC_GET_COUNTER() SMC_inw( ioaddr, COUNTER_REG )
713 #define SMC_GET_CTL() SMC_inw( ioaddr, CTL_REG )
714 #define SMC_SET_CTL(x) SMC_outw( x, ioaddr, CTL_REG )
715 #define SMC_GET_MII() SMC_inw( ioaddr, MII_REG )
716 #define SMC_SET_MII(x) SMC_outw( x, ioaddr, MII_REG )
717 #define SMC_GET_MIR() SMC_inw( ioaddr, MIR_REG )
718 #define SMC_SET_MIR(x) SMC_outw( x, ioaddr, MIR_REG )
719 #define SMC_GET_MMU_CMD() SMC_inw( ioaddr, MMU_CMD_REG )
720 #define SMC_SET_MMU_CMD(x) SMC_outw( x, ioaddr, MMU_CMD_REG )
721 #define SMC_GET_FIFO() SMC_inw( ioaddr, FIFO_REG )
722 #define SMC_GET_PTR() SMC_inw( ioaddr, PTR_REG )
723 #define SMC_SET_PTR(x) SMC_outw( x, ioaddr, PTR_REG )
724 #define SMC_GET_RCR() SMC_inw( ioaddr, RCR_REG )
725 #define SMC_SET_RCR(x) SMC_outw( x, ioaddr, RCR_REG )
726 #define SMC_GET_REV() SMC_inw( ioaddr, REV_REG )
727 #define SMC_GET_RPC() SMC_inw( ioaddr, RPC_REG )
728 #define SMC_SET_RPC(x) SMC_outw( x, ioaddr, RPC_REG )
729 #define SMC_GET_TCR() SMC_inw( ioaddr, TCR_REG )
730 #define SMC_SET_TCR(x) SMC_outw( x, ioaddr, TCR_REG )
732 #ifndef SMC_GET_MAC_ADDR
733 #define SMC_GET_MAC_ADDR(addr) \
736 __v = SMC_inw( ioaddr, ADDR0_REG ); \
737 addr[0] = __v; addr[1] = __v >> 8; \
738 __v = SMC_inw( ioaddr, ADDR1_REG ); \
739 addr[2] = __v; addr[3] = __v >> 8; \
740 __v = SMC_inw( ioaddr, ADDR2_REG ); \
741 addr[4] = __v; addr[5] = __v >> 8; \
745 #define SMC_SET_MAC_ADDR(addr) \
747 SMC_outw( addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG ); \
748 SMC_outw( addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG ); \
749 SMC_outw( addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG ); \
752 #define SMC_CLEAR_MCAST() \
754 SMC_outw( 0, ioaddr, MCAST_REG1 ); \
755 SMC_outw( 0, ioaddr, MCAST_REG2 ); \
756 SMC_outw( 0, ioaddr, MCAST_REG3 ); \
757 SMC_outw( 0, ioaddr, MCAST_REG4 ); \
759 #define SMC_SET_MCAST(x) \
761 unsigned char *mt = (x); \
762 SMC_outw( mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1 ); \
763 SMC_outw( mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2 ); \
764 SMC_outw( mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3 ); \
765 SMC_outw( mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4 ); \
768 #if SMC_CAN_USE_32BIT
770 * Some setups just can't write 8 or 16 bits reliably when not aligned
771 * to a 32 bit boundary. I tell you that exists!
772 * We re-do the ones here that can be easily worked around if they can have
773 * their low parts written to 0 without adverse effects.
775 #undef SMC_SELECT_BANK
776 #define SMC_SELECT_BANK(x) SMC_outl( (x)<<16, ioaddr, 12<<SMC_IO_SHIFT )
778 #define SMC_SET_RPC(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(8, 0) )
780 #define SMC_SET_PN(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(0, 2) )
782 #define SMC_SET_PTR(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(4, 2) )
785 #if SMC_CAN_USE_32BIT
786 #define SMC_PUT_PKT_HDR(status, length) \
787 SMC_outl( (status) | (length) << 16, ioaddr, DATA_REG )
788 #define SMC_GET_PKT_HDR(status, length) \
790 unsigned int __val = SMC_inl( ioaddr, DATA_REG ); \
791 (status) = __val & 0xffff; \
792 (length) = __val >> 16; \
795 #define SMC_PUT_PKT_HDR(status, length) \
797 SMC_outw( status, ioaddr, DATA_REG ); \
798 SMC_outw( length, ioaddr, DATA_REG ); \
800 #define SMC_GET_PKT_HDR(status, length) \
802 (status) = SMC_inw( ioaddr, DATA_REG ); \
803 (length) = SMC_inw( ioaddr, DATA_REG ); \
807 #if SMC_CAN_USE_32BIT
808 #define SMC_PUSH_DATA(p, l) \
812 if (__len >= 2 && (long)__ptr & 2) { \
814 SMC_outw( *((u16 *)__ptr)++, ioaddr, DATA_REG );\
816 SMC_outsl( ioaddr, DATA_REG, __ptr, __len >> 2); \
818 __ptr += (__len & ~3); \
819 SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
822 #define SMC_PULL_DATA(p, l) \
826 if ((long)__ptr & 2) { \
828 * We want 32bit alignment here. \
829 * Since some buses perform a full 32bit \
830 * fetch even for 16bit data we can't use \
831 * SMC_inw() here. Back both source (on chip \
832 * and destination) pointers of 2 bytes. \
836 SMC_SET_PTR( 2|PTR_READ|PTR_RCV|PTR_AUTOINC ); \
839 SMC_insl( ioaddr, DATA_REG, __ptr, __len >> 2); \
841 #elif SMC_CAN_USE_16BIT
842 #define SMC_PUSH_DATA(p, l) SMC_outsw( ioaddr, DATA_REG, p, (l) >> 1 )
843 #define SMC_PULL_DATA(p, l) SMC_insw ( ioaddr, DATA_REG, p, (l) >> 1 )
844 #elif SMC_CAN_USE_8BIT
845 #define SMC_PUSH_DATA(p, l) SMC_outsb( ioaddr, DATA_REG, p, l )
846 #define SMC_PULL_DATA(p, l) SMC_insb ( ioaddr, DATA_REG, p, l )
849 #if ! SMC_CAN_USE_16BIT
850 #define SMC_outw(x, ioaddr, reg) \
852 unsigned int __val16 = (x); \
853 SMC_outb( __val16, ioaddr, reg ); \
854 SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
856 #define SMC_inw(ioaddr, reg) \
858 unsigned int __val16; \
859 __val16 = SMC_inb( ioaddr, reg ); \
860 __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
866 #endif /* _SMC91X_H_ */