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_SA1100_ASSABET)
64 #include <asm/arch/neponset.h>
66 /* We can only do 8-bit reads and writes in the static memory space. */
67 #define SMC_CAN_USE_8BIT 1
68 #define SMC_CAN_USE_16BIT 0
69 #define SMC_CAN_USE_32BIT 0
72 /* The first two address lines aren't connected... */
73 #define SMC_IO_SHIFT 2
75 #define SMC_inb(a, r) readb((a) + (r))
76 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
77 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
78 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
80 #elif defined(CONFIG_ARCH_INNOKOM) || \
81 defined(CONFIG_MACH_MAINSTONE) || \
82 defined(CONFIG_ARCH_PXA_IDP) || \
83 defined(CONFIG_ARCH_RAMSES)
85 #define SMC_CAN_USE_8BIT 1
86 #define SMC_CAN_USE_16BIT 1
87 #define SMC_CAN_USE_32BIT 1
88 #define SMC_IO_SHIFT 0
90 #define SMC_USE_PXA_DMA 1
92 #define SMC_inb(a, r) readb((a) + (r))
93 #define SMC_inw(a, r) readw((a) + (r))
94 #define SMC_inl(a, r) readl((a) + (r))
95 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
96 #define SMC_outl(v, a, r) writel(v, (a) + (r))
97 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
98 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
100 /* We actually can't write halfwords properly if not word aligned */
102 SMC_outw(u16 val, unsigned long ioaddr, int reg)
105 unsigned int v = val << 16;
106 v |= readl(ioaddr + (reg & ~2)) & 0xffff;
107 writel(v, ioaddr + (reg & ~2));
109 writew(val, ioaddr + reg);
113 #elif defined(CONFIG_ISA)
115 #define SMC_CAN_USE_8BIT 1
116 #define SMC_CAN_USE_16BIT 1
117 #define SMC_CAN_USE_32BIT 0
119 #define SMC_inb(a, r) inb((a) + (r))
120 #define SMC_inw(a, r) inw((a) + (r))
121 #define SMC_outb(v, a, r) outb(v, (a) + (r))
122 #define SMC_outw(v, a, r) outw(v, (a) + (r))
123 #define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
124 #define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
128 #define SMC_CAN_USE_8BIT 1
129 #define SMC_CAN_USE_16BIT 1
130 #define SMC_CAN_USE_32BIT 1
133 #define SMC_inb(a, r) readb((a) + (r))
134 #define SMC_inw(a, r) readw((a) + (r))
135 #define SMC_inl(a, r) readl((a) + (r))
136 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
137 #define SMC_outw(v, a, r) writew(v, (a) + (r))
138 #define SMC_outl(v, a, r) writel(v, (a) + (r))
139 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
140 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
142 #define RPC_LSA_DEFAULT RPC_LED_100_10
143 #define RPC_LSB_DEFAULT RPC_LED_TX_RX
148 #ifdef SMC_USE_PXA_DMA
150 * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
151 * always happening in irq context so no need to worry about races. TX is
152 * different and probably not worth it for that reason, and not as critical
153 * as RX which can overrun memory and lose packets.
155 #include <linux/pci.h>
160 #define SMC_insl(a, r, p, l) \
161 smc_pxa_dma_insl(a, lp->physaddr, r, dev->dma, p, l)
163 smc_pxa_dma_insl(u_long ioaddr, u_long physaddr, int reg, int dma,
164 u_char *buf, int len)
168 /* fallback if no DMA available */
169 if (dma == (unsigned char)-1) {
170 readsl(ioaddr + reg, buf, len);
174 /* 64 bit alignment is required for memory to memory DMA */
176 *((u32 *)buf)++ = SMC_inl(ioaddr, reg);
181 dmabuf = dma_map_single(NULL, buf, len, PCI_DMA_FROMDEVICE);
182 DCSR(dma) = DCSR_NODESC;
184 DSADR(dma) = physaddr + reg;
185 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
186 DCMD_WIDTH4 | (DCMD_LENGTH & len));
187 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
188 while (!(DCSR(dma) & DCSR_STOPSTATE));
190 dma_unmap_single(NULL, dmabuf, len, PCI_DMA_FROMDEVICE);
196 #define SMC_insw(a, r, p, l) \
197 smc_pxa_dma_insw(a, lp->physaddr, r, dev->dma, p, l)
199 smc_pxa_dma_insw(u_long ioaddr, u_long physaddr, int reg, int dma,
200 u_char *buf, int len)
204 /* fallback if no DMA available */
205 if (dma == (unsigned char)-1) {
206 readsw(ioaddr + reg, buf, len);
210 /* 64 bit alignment is required for memory to memory DMA */
211 while ((long)buf & 6) {
212 *((u16 *)buf)++ = SMC_inw(ioaddr, reg);
217 dmabuf = dma_map_single(NULL, buf, len, PCI_DMA_FROMDEVICE);
218 DCSR(dma) = DCSR_NODESC;
220 DSADR(dma) = physaddr + reg;
221 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
222 DCMD_WIDTH2 | (DCMD_LENGTH & len));
223 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
224 while (!(DCSR(dma) & DCSR_STOPSTATE));
226 dma_unmap_single(NULL, dmabuf, len, PCI_DMA_FROMDEVICE);
231 smc_pxa_dma_irq(int dma, void *dummy, struct pt_regs *regs)
235 #endif /* SMC_USE_PXA_DMA */
238 /* Because of bank switching, the LAN91x uses only 16 I/O ports */
240 #define SMC_IO_SHIFT 0
242 #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
246 . Bank Select Register:
248 . yyyy yyyy 0000 00xx
250 . yyyy yyyy = 0x33, for identification purposes.
252 #define BANK_SELECT (14 << SMC_IO_SHIFT)
255 // Transmit Control Register
257 #define TCR_REG SMC_REG(0x0000, 0)
258 #define TCR_ENABLE 0x0001 // When 1 we can transmit
259 #define TCR_LOOP 0x0002 // Controls output pin LBK
260 #define TCR_FORCOL 0x0004 // When 1 will force a collision
261 #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
262 #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
263 #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
264 #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
265 #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
266 #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
267 #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
269 #define TCR_CLEAR 0 /* do NOTHING */
270 /* the default settings for the TCR register : */
271 #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
274 // EPH Status Register
276 #define EPH_STATUS_REG SMC_REG(0x0002, 0)
277 #define ES_TX_SUC 0x0001 // Last TX was successful
278 #define ES_SNGL_COL 0x0002 // Single collision detected for last tx
279 #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
280 #define ES_LTX_MULT 0x0008 // Last tx was a multicast
281 #define ES_16COL 0x0010 // 16 Collisions Reached
282 #define ES_SQET 0x0020 // Signal Quality Error Test
283 #define ES_LTXBRD 0x0040 // Last tx was a broadcast
284 #define ES_TXDEFR 0x0080 // Transmit Deferred
285 #define ES_LATCOL 0x0200 // Late collision detected on last tx
286 #define ES_LOSTCARR 0x0400 // Lost Carrier Sense
287 #define ES_EXC_DEF 0x0800 // Excessive Deferral
288 #define ES_CTR_ROL 0x1000 // Counter Roll Over indication
289 #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
290 #define ES_TXUNRN 0x8000 // Tx Underrun
293 // Receive Control Register
295 #define RCR_REG SMC_REG(0x0004, 0)
296 #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
297 #define RCR_PRMS 0x0002 // Enable promiscuous mode
298 #define RCR_ALMUL 0x0004 // When set accepts all multicast frames
299 #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
300 #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
301 #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
302 #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
303 #define RCR_SOFTRST 0x8000 // resets the chip
305 /* the normal settings for the RCR register : */
306 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
307 #define RCR_CLEAR 0x0 // set it to a base state
312 #define COUNTER_REG SMC_REG(0x0006, 0)
315 // Memory Information Register
317 #define MIR_REG SMC_REG(0x0008, 0)
320 // Receive/Phy Control Register
322 #define RPC_REG SMC_REG(0x000A, 0)
323 #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
324 #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
325 #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
326 #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
327 #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
328 #define RPC_LED_100_10 (0x00) // LED = 100Mbps OR's with 10Mbps link detect
329 #define RPC_LED_RES (0x01) // LED = Reserved
330 #define RPC_LED_10 (0x02) // LED = 10Mbps link detect
331 #define RPC_LED_FD (0x03) // LED = Full Duplex Mode
332 #define RPC_LED_TX_RX (0x04) // LED = TX or RX packet occurred
333 #define RPC_LED_100 (0x05) // LED = 100Mbps link dectect
334 #define RPC_LED_TX (0x06) // LED = TX packet occurred
335 #define RPC_LED_RX (0x07) // LED = RX packet occurred
337 #ifndef RPC_LSA_DEFAULT
338 #define RPC_LSA_DEFAULT RPC_LED_100
340 #ifndef RPC_LSB_DEFAULT
341 #define RPC_LSB_DEFAULT RPC_LED_FD
344 #define RPC_DEFAULT (RPC_ANEG | (RPC_LSA_DEFAULT << RPC_LSXA_SHFT) | (RPC_LSB_DEFAULT << RPC_LSXB_SHFT) | RPC_SPEED | RPC_DPLX)
347 /* Bank 0 0x0C is reserved */
349 // Bank Select Register
351 #define BSR_REG 0x000E
356 #define CONFIG_REG SMC_REG(0x0000, 1)
357 #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
358 #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
359 #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
360 #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
362 // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
363 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
366 // Base Address Register
368 #define BASE_REG SMC_REG(0x0002, 1)
371 // Individual Address Registers
373 #define ADDR0_REG SMC_REG(0x0004, 1)
374 #define ADDR1_REG SMC_REG(0x0006, 1)
375 #define ADDR2_REG SMC_REG(0x0008, 1)
378 // General Purpose Register
380 #define GP_REG SMC_REG(0x000A, 1)
385 #define CTL_REG SMC_REG(0x000C, 1)
386 #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
387 #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
388 #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
389 #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
390 #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
391 #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
392 #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
393 #define CTL_STORE 0x0001 // When set stores registers into EEPROM
396 // MMU Command Register
398 #define MMU_CMD_REG SMC_REG(0x0000, 2)
399 #define MC_BUSY 1 // When 1 the last release has not completed
400 #define MC_NOP (0<<5) // No Op
401 #define MC_ALLOC (1<<5) // OR with number of 256 byte packets
402 #define MC_RESET (2<<5) // Reset MMU to initial state
403 #define MC_REMOVE (3<<5) // Remove the current rx packet
404 #define MC_RELEASE (4<<5) // Remove and release the current rx packet
405 #define MC_FREEPKT (5<<5) // Release packet in PNR register
406 #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
407 #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
410 // Packet Number Register
412 #define PN_REG SMC_REG(0x0002, 2)
415 // Allocation Result Register
417 #define AR_REG SMC_REG(0x0003, 2)
418 #define AR_FAILED 0x80 // Alocation Failed
421 // TX FIFO Ports Register
423 #define TXFIFO_REG SMC_REG(0x0004, 2)
424 #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
426 // RX FIFO Ports Register
428 #define RXFIFO_REG SMC_REG(0x0005, 2)
429 #define RXFIFO_REMPTY 0x80 // RX FIFO Empty
431 #define FIFO_REG SMC_REG(0x0004, 2)
435 #define PTR_REG SMC_REG(0x0006, 2)
436 #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
437 #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
438 #define PTR_READ 0x2000 // When 1 the operation is a read
443 #define DATA_REG SMC_REG(0x0008, 2)
446 // Interrupt Status/Acknowledge Register
448 #define INT_REG SMC_REG(0x000C, 2)
451 // Interrupt Mask Register
453 #define IM_REG SMC_REG(0x000D, 2)
454 #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
455 #define IM_ERCV_INT 0x40 // Early Receive Interrupt
456 #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
457 #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
458 #define IM_ALLOC_INT 0x08 // Set when allocation request is completed
459 #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
460 #define IM_TX_INT 0x02 // Transmit Interrupt
461 #define IM_RCV_INT 0x01 // Receive Interrupt
464 // Multicast Table Registers
466 #define MCAST_REG1 SMC_REG(0x0000, 3)
467 #define MCAST_REG2 SMC_REG(0x0002, 3)
468 #define MCAST_REG3 SMC_REG(0x0004, 3)
469 #define MCAST_REG4 SMC_REG(0x0006, 3)
472 // Management Interface Register (MII)
474 #define MII_REG SMC_REG(0x0008, 3)
475 #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
476 #define MII_MDOE 0x0008 // MII Output Enable
477 #define MII_MCLK 0x0004 // MII Clock, pin MDCLK
478 #define MII_MDI 0x0002 // MII Input, pin MDI
479 #define MII_MDO 0x0001 // MII Output, pin MDO
484 /* ( hi: chip id low: rev # ) */
485 #define REV_REG SMC_REG(0x000A, 3)
488 // Early RCV Register
490 /* this is NOT on SMC9192 */
491 #define ERCV_REG SMC_REG(0x000C, 3)
492 #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
493 #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
498 #define EXT_REG SMC_REG(0x0000, 7)
506 #define CHIP_91100FD 8
507 #define CHIP_91111FD 9
509 static const char * chip_ids[ 16 ] = {
511 /* 3 */ "SMC91C90/91C92",
516 /* 8 */ "SMC91C100FD",
517 /* 9 */ "SMC91C11xFD",
523 . Transmit status bits
525 #define TS_SUCCESS 0x0001
526 #define TS_LOSTCAR 0x0400
527 #define TS_LATCOL 0x0200
528 #define TS_16COL 0x0010
531 . Receive status bits
533 #define RS_ALGNERR 0x8000
534 #define RS_BRODCAST 0x4000
535 #define RS_BADCRC 0x2000
536 #define RS_ODDFRAME 0x1000
537 #define RS_TOOLONG 0x0800
538 #define RS_TOOSHORT 0x0400
539 #define RS_MULTICAST 0x0001
540 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
545 * LAN83C183 == LAN91C111 Internal PHY
547 #define PHY_LAN83C183 0x0016f840
548 #define PHY_LAN83C180 0x02821c50
551 * PHY Register Addresses (LAN91C111 Internal PHY)
553 * Generic PHY registers can be found in <linux/mii.h>
555 * These phy registers are specific to our on-board phy.
558 // PHY Configuration Register 1
559 #define PHY_CFG1_REG 0x10
560 #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
561 #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
562 #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
563 #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
564 #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
565 #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
566 #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
567 #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
568 #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
569 #define PHY_CFG1_TLVL_MASK 0x003C
570 #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
573 // PHY Configuration Register 2
574 #define PHY_CFG2_REG 0x11
575 #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
576 #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
577 #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
578 #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
580 // PHY Status Output (and Interrupt status) Register
581 #define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
582 #define PHY_INT_INT 0x8000 // 1=bits have changed since last read
583 #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
584 #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
585 #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
586 #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
587 #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
588 #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
589 #define PHY_INT_JAB 0x0100 // 1=Jabber detected
590 #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
591 #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
593 // PHY Interrupt/Status Mask Register
594 #define PHY_MASK_REG 0x13 // Interrupt Mask
595 // Uses the same bit definitions as PHY_INT_REG
599 * SMC91C96 ethernet config and status registers.
600 * These are in the "attribute" space.
603 #define ECOR_RESET 0x80
604 #define ECOR_LEVEL_IRQ 0x40
605 #define ECOR_WR_ATTRIB 0x04
606 #define ECOR_ENABLE 0x01
609 #define ECSR_IOIS8 0x20
610 #define ECSR_PWRDWN 0x04
611 #define ECSR_INT 0x02
613 #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
617 * Macros to abstract register access according to the data bus
618 * capabilities. Please use those and not the in/out primitives.
619 * Note: the following macros do *not* select the bank -- this must
620 * be done separately as needed in the main code. The SMC_REG() macro
621 * only uses the bank argument for debugging purposes (when enabled).
625 #define SMC_REG(reg, bank) \
627 int __b = SMC_CURRENT_BANK(); \
628 if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
629 printk( "%s: bank reg screwed (0x%04x)\n", \
636 #define SMC_REG(reg, bank) (reg<<SMC_IO_SHIFT)
640 #define SMC_GET_PN() SMC_inb( ioaddr, PN_REG )
641 #define SMC_SET_PN(x) SMC_outb( x, ioaddr, PN_REG )
642 #define SMC_GET_AR() SMC_inb( ioaddr, AR_REG )
643 #define SMC_GET_TXFIFO() SMC_inb( ioaddr, TXFIFO_REG )
644 #define SMC_GET_RXFIFO() SMC_inb( ioaddr, RXFIFO_REG )
645 #define SMC_GET_INT() SMC_inb( ioaddr, INT_REG )
646 #define SMC_ACK_INT(x) SMC_outb( x, ioaddr, INT_REG )
647 #define SMC_GET_INT_MASK() SMC_inb( ioaddr, IM_REG )
648 #define SMC_SET_INT_MASK(x) SMC_outb( x, ioaddr, IM_REG )
650 #define SMC_GET_PN() (SMC_inw( ioaddr, PN_REG ) & 0xFF)
651 #define SMC_SET_PN(x) SMC_outw( x, ioaddr, PN_REG )
652 #define SMC_GET_AR() (SMC_inw( ioaddr, PN_REG ) >> 8)
653 #define SMC_GET_TXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) & 0xFF)
654 #define SMC_GET_RXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) >> 8)
655 #define SMC_GET_INT() (SMC_inw( ioaddr, INT_REG ) & 0xFF)
656 #define SMC_ACK_INT(x) \
658 unsigned long __flags; \
660 local_irq_save(__flags); \
661 __mask = SMC_inw( ioaddr, INT_REG ) & ~0xff; \
662 SMC_outw( __mask | (x), ioaddr, INT_REG ); \
663 local_irq_restore(__flags); \
665 #define SMC_GET_INT_MASK() (SMC_inw( ioaddr, INT_REG ) >> 8)
666 #define SMC_SET_INT_MASK(x) SMC_outw( (x) << 8, ioaddr, INT_REG )
669 #define SMC_CURRENT_BANK() SMC_inw( ioaddr, BANK_SELECT )
670 #define SMC_SELECT_BANK(x) SMC_outw( x, ioaddr, BANK_SELECT )
671 #define SMC_GET_BASE() SMC_inw( ioaddr, BASE_REG )
672 #define SMC_SET_BASE(x) SMC_outw( x, ioaddr, BASE_REG )
673 #define SMC_GET_CONFIG() SMC_inw( ioaddr, CONFIG_REG )
674 #define SMC_SET_CONFIG(x) SMC_outw( x, ioaddr, CONFIG_REG )
675 #define SMC_GET_COUNTER() SMC_inw( ioaddr, COUNTER_REG )
676 #define SMC_GET_CTL() SMC_inw( ioaddr, CTL_REG )
677 #define SMC_SET_CTL(x) SMC_outw( x, ioaddr, CTL_REG )
678 #define SMC_GET_MII() SMC_inw( ioaddr, MII_REG )
679 #define SMC_SET_MII(x) SMC_outw( x, ioaddr, MII_REG )
680 #define SMC_GET_MIR() SMC_inw( ioaddr, MIR_REG )
681 #define SMC_SET_MIR(x) SMC_outw( x, ioaddr, MIR_REG )
682 #define SMC_GET_MMU_CMD() SMC_inw( ioaddr, MMU_CMD_REG )
683 #define SMC_SET_MMU_CMD(x) SMC_outw( x, ioaddr, MMU_CMD_REG )
684 #define SMC_GET_FIFO() SMC_inw( ioaddr, FIFO_REG )
685 #define SMC_GET_PTR() SMC_inw( ioaddr, PTR_REG )
686 #define SMC_SET_PTR(x) SMC_outw( x, ioaddr, PTR_REG )
687 #define SMC_GET_RCR() SMC_inw( ioaddr, RCR_REG )
688 #define SMC_SET_RCR(x) SMC_outw( x, ioaddr, RCR_REG )
689 #define SMC_GET_REV() SMC_inw( ioaddr, REV_REG )
690 #define SMC_GET_RPC() SMC_inw( ioaddr, RPC_REG )
691 #define SMC_SET_RPC(x) SMC_outw( x, ioaddr, RPC_REG )
692 #define SMC_GET_TCR() SMC_inw( ioaddr, TCR_REG )
693 #define SMC_SET_TCR(x) SMC_outw( x, ioaddr, TCR_REG )
695 #ifndef SMC_GET_MAC_ADDR
696 #define SMC_GET_MAC_ADDR(addr) \
699 __v = SMC_inw( ioaddr, ADDR0_REG ); \
700 addr[0] = __v; addr[1] = __v >> 8; \
701 __v = SMC_inw( ioaddr, ADDR1_REG ); \
702 addr[2] = __v; addr[3] = __v >> 8; \
703 __v = SMC_inw( ioaddr, ADDR2_REG ); \
704 addr[4] = __v; addr[5] = __v >> 8; \
708 #define SMC_SET_MAC_ADDR(addr) \
710 SMC_outw( addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG ); \
711 SMC_outw( addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG ); \
712 SMC_outw( addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG ); \
715 #define SMC_CLEAR_MCAST() \
717 SMC_outw( 0, ioaddr, MCAST_REG1 ); \
718 SMC_outw( 0, ioaddr, MCAST_REG2 ); \
719 SMC_outw( 0, ioaddr, MCAST_REG3 ); \
720 SMC_outw( 0, ioaddr, MCAST_REG4 ); \
722 #define SMC_SET_MCAST(x) \
724 unsigned char *mt = (x); \
725 SMC_outw( mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1 ); \
726 SMC_outw( mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2 ); \
727 SMC_outw( mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3 ); \
728 SMC_outw( mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4 ); \
731 #if SMC_CAN_USE_32BIT
733 * Some setups just can't write 8 or 16 bits reliably when not aligned
734 * to a 32 bit boundary. I tell you that exists!
735 * We re-do the ones here that can be easily worked around if they can have
736 * their low parts written to 0 without adverse effects.
738 #undef SMC_SELECT_BANK
739 #define SMC_SELECT_BANK(x) SMC_outl( (x)<<16, ioaddr, 12<<SMC_IO_SHIFT )
741 #define SMC_SET_RPC(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(8, 0) )
743 #define SMC_SET_PN(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(0, 2) )
745 #define SMC_SET_PTR(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(4, 2) )
748 #if SMC_CAN_USE_32BIT
749 #define SMC_PUT_PKT_HDR(status, length) \
750 SMC_outl( (status) | (length) << 16, ioaddr, DATA_REG )
751 #define SMC_GET_PKT_HDR(status, length) \
753 unsigned int __val = SMC_inl( ioaddr, DATA_REG ); \
754 (status) = __val & 0xffff; \
755 (length) = __val >> 16; \
758 #define SMC_PUT_PKT_HDR(status, length) \
760 SMC_outw( status, ioaddr, DATA_REG ); \
761 SMC_outw( length, ioaddr, DATA_REG ); \
763 #define SMC_GET_PKT_HDR(status, length) \
765 (status) = SMC_inw( ioaddr, DATA_REG ); \
766 (length) = SMC_inw( ioaddr, DATA_REG ); \
770 #if SMC_CAN_USE_32BIT
771 #define SMC_PUSH_DATA(p, l) \
775 if (__len >= 2 && (long)__ptr & 2) { \
777 SMC_outw( *((u16 *)__ptr)++, ioaddr, DATA_REG );\
779 SMC_outsl( ioaddr, DATA_REG, __ptr, __len >> 2); \
781 __ptr += (__len & ~3); \
782 SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
785 #define SMC_PULL_DATA(p, l) \
789 if ((long)__ptr & 2) { \
791 * We want 32bit alignment here. \
792 * Since some buses perform a full 32bit \
793 * fetch even for 16bit data we can't use \
794 * SMC_inw() here. Back both source (on chip \
795 * and destination) pointers of 2 bytes. \
799 SMC_SET_PTR( 2|PTR_READ|PTR_RCV|PTR_AUTOINC ); \
802 SMC_insl( ioaddr, DATA_REG, __ptr, __len >> 2); \
804 #elif SMC_CAN_USE_16BIT
805 #define SMC_PUSH_DATA(p, l) SMC_outsw( ioaddr, DATA_REG, p, (l) >> 1 )
806 #define SMC_PULL_DATA(p, l) SMC_insw ( ioaddr, DATA_REG, p, (l) >> 1 )
807 #elif SMC_CAN_USE_8BIT
808 #define SMC_PUSH_DATA(p, l) SMC_outsb( ioaddr, DATA_REG, p, l )
809 #define SMC_PULL_DATA(p, l) SMC_insb ( ioaddr, DATA_REG, p, l )
812 #if ! SMC_CAN_USE_16BIT
813 #define SMC_outw(x, ioaddr, reg) \
815 unsigned int __val16 = (x); \
816 SMC_outb( __val16, ioaddr, reg ); \
817 SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
819 #define SMC_inw(ioaddr, reg) \
821 unsigned int __val16; \
822 __val16 = SMC_inb( ioaddr, reg ); \
823 __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
829 #endif /* _SMC91X_H_ */