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- /*------------------------------------------------------------------------
- . smc91x.h - macros for SMSC's 91C9x/91C1xx single-chip Ethernet device.
- .
- . Copyright (C) 1996 by Erik Stahlman
- . Copyright (C) 2001 Standard Microsystems Corporation
- . Developed by Simple Network Magic Corporation
- . Copyright (C) 2003 Monta Vista Software, Inc.
- . Unified SMC91x driver by Nicolas Pitre
- .
- . This program is free software; you can redistribute it and/or modify
- . it under the terms of the GNU General Public License as published by
- . the Free Software Foundation; either version 2 of the License, or
- . (at your option) any later version.
- .
- . This program is distributed in the hope that it will be useful,
- . but WITHOUT ANY WARRANTY; without even the implied warranty of
- . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- . GNU General Public License for more details.
- .
- . You should have received a copy of the GNU General Public License
- . along with this program; if not, write to the Free Software
- . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- .
- . Information contained in this file was obtained from the LAN91C111
- . manual from SMC. To get a copy, if you really want one, you can find
- . information under www.smsc.com.
- .
- . Authors
- . Erik Stahlman <erik@vt.edu>
- . Daris A Nevil <dnevil@snmc.com>
- . Nicolas Pitre <nico@fluxnic.net>
- .
- ---------------------------------------------------------------------------*/
- #ifndef _SMC91X_H_
- #define _SMC91X_H_
- #include <linux/smc91x.h>
- /*
- * Define your architecture specific bus configuration parameters here.
- */
- #if defined(CONFIG_ARCH_LUBBOCK) ||\
- defined(CONFIG_MACH_MAINSTONE) ||\
- defined(CONFIG_MACH_ZYLONITE) ||\
- defined(CONFIG_MACH_LITTLETON) ||\
- defined(CONFIG_MACH_ZYLONITE2) ||\
- defined(CONFIG_ARCH_VIPER) ||\
- defined(CONFIG_MACH_STARGATE2) ||\
- defined(CONFIG_ARCH_VERSATILE)
- #include <asm/mach-types.h>
- /* Now the bus width is specified in the platform data
- * pretend here to support all I/O access types
- */
- #define SMC_CAN_USE_8BIT 1
- #define SMC_CAN_USE_16BIT 1
- #define SMC_CAN_USE_32BIT 1
- #define SMC_NOWAIT 1
- #define SMC_IO_SHIFT (lp->io_shift)
- #define SMC_inb(a, r) readb((a) + (r))
- #define SMC_inw(a, r) readw((a) + (r))
- #define SMC_inl(a, r) readl((a) + (r))
- #define SMC_outb(v, a, r) writeb(v, (a) + (r))
- #define SMC_outl(v, a, r) writel(v, (a) + (r))
- #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
- #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
- #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
- #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
- #define SMC_IRQ_FLAGS (-1) /* from resource */
- /* We actually can't write halfwords properly if not word aligned */
- static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
- {
- if ((machine_is_mainstone() || machine_is_stargate2()) && reg & 2) {
- unsigned int v = val << 16;
- v |= readl(ioaddr + (reg & ~2)) & 0xffff;
- writel(v, ioaddr + (reg & ~2));
- } else {
- writew(val, ioaddr + reg);
- }
- }
- #elif defined(CONFIG_SA1100_PLEB)
- /* We can only do 16-bit reads and writes in the static memory space. */
- #define SMC_CAN_USE_8BIT 1
- #define SMC_CAN_USE_16BIT 1
- #define SMC_CAN_USE_32BIT 0
- #define SMC_IO_SHIFT 0
- #define SMC_NOWAIT 1
- #define SMC_inb(a, r) readb((a) + (r))
- #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
- #define SMC_inw(a, r) readw((a) + (r))
- #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
- #define SMC_outb(v, a, r) writeb(v, (a) + (r))
- #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
- #define SMC_outw(v, a, r) writew(v, (a) + (r))
- #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
- #define SMC_IRQ_FLAGS (-1)
- #elif defined(CONFIG_SA1100_ASSABET)
- #include <mach/neponset.h>
- /* We can only do 8-bit reads and writes in the static memory space. */
- #define SMC_CAN_USE_8BIT 1
- #define SMC_CAN_USE_16BIT 0
- #define SMC_CAN_USE_32BIT 0
- #define SMC_NOWAIT 1
- /* The first two address lines aren't connected... */
- #define SMC_IO_SHIFT 2
- #define SMC_inb(a, r) readb((a) + (r))
- #define SMC_outb(v, a, r) writeb(v, (a) + (r))
- #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
- #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
- #define SMC_IRQ_FLAGS (-1) /* from resource */
- #elif defined(CONFIG_MACH_LOGICPD_PXA270) || \
- defined(CONFIG_MACH_NOMADIK_8815NHK)
- #define SMC_CAN_USE_8BIT 0
- #define SMC_CAN_USE_16BIT 1
- #define SMC_CAN_USE_32BIT 0
- #define SMC_IO_SHIFT 0
- #define SMC_NOWAIT 1
- #define SMC_inw(a, r) readw((a) + (r))
- #define SMC_outw(v, a, r) writew(v, (a) + (r))
- #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
- #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
- #elif defined(CONFIG_ARCH_INNOKOM) || \
- defined(CONFIG_ARCH_PXA_IDP) || \
- defined(CONFIG_ARCH_RAMSES) || \
- defined(CONFIG_ARCH_PCM027)
- #define SMC_CAN_USE_8BIT 1
- #define SMC_CAN_USE_16BIT 1
- #define SMC_CAN_USE_32BIT 1
- #define SMC_IO_SHIFT 0
- #define SMC_NOWAIT 1
- #define SMC_USE_PXA_DMA 1
- #define SMC_inb(a, r) readb((a) + (r))
- #define SMC_inw(a, r) readw((a) + (r))
- #define SMC_inl(a, r) readl((a) + (r))
- #define SMC_outb(v, a, r) writeb(v, (a) + (r))
- #define SMC_outl(v, a, r) writel(v, (a) + (r))
- #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
- #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
- #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
- #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
- #define SMC_IRQ_FLAGS (-1) /* from resource */
- /* We actually can't write halfwords properly if not word aligned */
- static inline void
- SMC_outw(u16 val, void __iomem *ioaddr, int reg)
- {
- if (reg & 2) {
- unsigned int v = val << 16;
- v |= readl(ioaddr + (reg & ~2)) & 0xffff;
- writel(v, ioaddr + (reg & ~2));
- } else {
- writew(val, ioaddr + reg);
- }
- }
- #elif defined(CONFIG_SH_SH4202_MICRODEV)
- #define SMC_CAN_USE_8BIT 0
- #define SMC_CAN_USE_16BIT 1
- #define SMC_CAN_USE_32BIT 0
- #define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
- #define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
- #define SMC_inl(a, r) inl((a) + (r) - 0xa0000000)
- #define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
- #define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
- #define SMC_outl(v, a, r) outl(v, (a) + (r) - 0xa0000000)
- #define SMC_insl(a, r, p, l) insl((a) + (r) - 0xa0000000, p, l)
- #define SMC_outsl(a, r, p, l) outsl((a) + (r) - 0xa0000000, p, l)
- #define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
- #define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
- #define SMC_IRQ_FLAGS (0)
- #elif defined(CONFIG_M32R)
- #define SMC_CAN_USE_8BIT 0
- #define SMC_CAN_USE_16BIT 1
- #define SMC_CAN_USE_32BIT 0
- #define SMC_inb(a, r) inb(((u32)a) + (r))
- #define SMC_inw(a, r) inw(((u32)a) + (r))
- #define SMC_outb(v, a, r) outb(v, ((u32)a) + (r))
- #define SMC_outw(v, a, r) outw(v, ((u32)a) + (r))
- #define SMC_insw(a, r, p, l) insw(((u32)a) + (r), p, l)
- #define SMC_outsw(a, r, p, l) outsw(((u32)a) + (r), p, l)
- #define SMC_IRQ_FLAGS (0)
- #define RPC_LSA_DEFAULT RPC_LED_TX_RX
- #define RPC_LSB_DEFAULT RPC_LED_100_10
- #elif defined(CONFIG_MN10300)
- /*
- * MN10300/AM33 configuration
- */
- #include <unit/smc91111.h>
- #elif defined(CONFIG_ARCH_MSM)
- #define SMC_CAN_USE_8BIT 0
- #define SMC_CAN_USE_16BIT 1
- #define SMC_CAN_USE_32BIT 0
- #define SMC_NOWAIT 1
- #define SMC_inw(a, r) readw((a) + (r))
- #define SMC_outw(v, a, r) writew(v, (a) + (r))
- #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
- #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
- #define SMC_IRQ_FLAGS IRQF_TRIGGER_HIGH
- #elif defined(CONFIG_COLDFIRE)
- #define SMC_CAN_USE_8BIT 0
- #define SMC_CAN_USE_16BIT 1
- #define SMC_CAN_USE_32BIT 0
- #define SMC_NOWAIT 1
- static inline void mcf_insw(void *a, unsigned char *p, int l)
- {
- u16 *wp = (u16 *) p;
- while (l-- > 0)
- *wp++ = readw(a);
- }
- static inline void mcf_outsw(void *a, unsigned char *p, int l)
- {
- u16 *wp = (u16 *) p;
- while (l-- > 0)
- writew(*wp++, a);
- }
- #define SMC_inw(a, r) _swapw(readw((a) + (r)))
- #define SMC_outw(v, a, r) writew(_swapw(v), (a) + (r))
- #define SMC_insw(a, r, p, l) mcf_insw(a + r, p, l)
- #define SMC_outsw(a, r, p, l) mcf_outsw(a + r, p, l)
- #define SMC_IRQ_FLAGS (IRQF_DISABLED)
- #else
- /*
- * Default configuration
- */
- #define SMC_CAN_USE_8BIT 1
- #define SMC_CAN_USE_16BIT 1
- #define SMC_CAN_USE_32BIT 1
- #define SMC_NOWAIT 1
- #define SMC_IO_SHIFT (lp->io_shift)
- #define SMC_inb(a, r) readb((a) + (r))
- #define SMC_inw(a, r) readw((a) + (r))
- #define SMC_inl(a, r) readl((a) + (r))
- #define SMC_outb(v, a, r) writeb(v, (a) + (r))
- #define SMC_outw(v, a, r) writew(v, (a) + (r))
- #define SMC_outl(v, a, r) writel(v, (a) + (r))
- #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
- #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
- #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
- #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
- #define RPC_LSA_DEFAULT RPC_LED_100_10
- #define RPC_LSB_DEFAULT RPC_LED_TX_RX
- #endif
- /* store this information for the driver.. */
- struct smc_local {
- /*
- * If I have to wait until memory is available to send a
- * packet, I will store the skbuff here, until I get the
- * desired memory. Then, I'll send it out and free it.
- */
- struct sk_buff *pending_tx_skb;
- struct tasklet_struct tx_task;
- /* version/revision of the SMC91x chip */
- int version;
- /* Contains the current active transmission mode */
- int tcr_cur_mode;
- /* Contains the current active receive mode */
- int rcr_cur_mode;
- /* Contains the current active receive/phy mode */
- int rpc_cur_mode;
- int ctl_rfduplx;
- int ctl_rspeed;
- u32 msg_enable;
- u32 phy_type;
- struct mii_if_info mii;
- /* work queue */
- struct work_struct phy_configure;
- struct net_device *dev;
- int work_pending;
- spinlock_t lock;
- #ifdef CONFIG_ARCH_PXA
- /* DMA needs the physical address of the chip */
- u_long physaddr;
- struct device *device;
- #endif
- void __iomem *base;
- void __iomem *datacs;
- /* the low address lines on some platforms aren't connected... */
- int io_shift;
- struct smc91x_platdata cfg;
- };
- #define SMC_8BIT(p) ((p)->cfg.flags & SMC91X_USE_8BIT)
- #define SMC_16BIT(p) ((p)->cfg.flags & SMC91X_USE_16BIT)
- #define SMC_32BIT(p) ((p)->cfg.flags & SMC91X_USE_32BIT)
- #ifdef CONFIG_ARCH_PXA
- /*
- * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
- * always happening in irq context so no need to worry about races. TX is
- * different and probably not worth it for that reason, and not as critical
- * as RX which can overrun memory and lose packets.
- */
- #include <linux/dma-mapping.h>
- #include <mach/dma.h>
- #ifdef SMC_insl
- #undef SMC_insl
- #define SMC_insl(a, r, p, l) \
- smc_pxa_dma_insl(a, lp, r, dev->dma, p, l)
- static inline void
- smc_pxa_dma_insl(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
- u_char *buf, int len)
- {
- u_long physaddr = lp->physaddr;
- dma_addr_t dmabuf;
- /* fallback if no DMA available */
- if (dma == (unsigned char)-1) {
- readsl(ioaddr + reg, buf, len);
- return;
- }
- /* 64 bit alignment is required for memory to memory DMA */
- if ((long)buf & 4) {
- *((u32 *)buf) = SMC_inl(ioaddr, reg);
- buf += 4;
- len--;
- }
- len *= 4;
- dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
- DCSR(dma) = DCSR_NODESC;
- DTADR(dma) = dmabuf;
- DSADR(dma) = physaddr + reg;
- DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
- DCMD_WIDTH4 | (DCMD_LENGTH & len));
- DCSR(dma) = DCSR_NODESC | DCSR_RUN;
- while (!(DCSR(dma) & DCSR_STOPSTATE))
- cpu_relax();
- DCSR(dma) = 0;
- dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
- }
- #endif
- #ifdef SMC_insw
- #undef SMC_insw
- #define SMC_insw(a, r, p, l) \
- smc_pxa_dma_insw(a, lp, r, dev->dma, p, l)
- static inline void
- smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
- u_char *buf, int len)
- {
- u_long physaddr = lp->physaddr;
- dma_addr_t dmabuf;
- /* fallback if no DMA available */
- if (dma == (unsigned char)-1) {
- readsw(ioaddr + reg, buf, len);
- return;
- }
- /* 64 bit alignment is required for memory to memory DMA */
- while ((long)buf & 6) {
- *((u16 *)buf) = SMC_inw(ioaddr, reg);
- buf += 2;
- len--;
- }
- len *= 2;
- dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
- DCSR(dma) = DCSR_NODESC;
- DTADR(dma) = dmabuf;
- DSADR(dma) = physaddr + reg;
- DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
- DCMD_WIDTH2 | (DCMD_LENGTH & len));
- DCSR(dma) = DCSR_NODESC | DCSR_RUN;
- while (!(DCSR(dma) & DCSR_STOPSTATE))
- cpu_relax();
- DCSR(dma) = 0;
- dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
- }
- #endif
- static void
- smc_pxa_dma_irq(int dma, void *dummy)
- {
- DCSR(dma) = 0;
- }
- #endif /* CONFIG_ARCH_PXA */
- /*
- * Everything a particular hardware setup needs should have been defined
- * at this point. Add stubs for the undefined cases, mainly to avoid
- * compilation warnings since they'll be optimized away, or to prevent buggy
- * use of them.
- */
- #if ! SMC_CAN_USE_32BIT
- #define SMC_inl(ioaddr, reg) ({ BUG(); 0; })
- #define SMC_outl(x, ioaddr, reg) BUG()
- #define SMC_insl(a, r, p, l) BUG()
- #define SMC_outsl(a, r, p, l) BUG()
- #endif
- #if !defined(SMC_insl) || !defined(SMC_outsl)
- #define SMC_insl(a, r, p, l) BUG()
- #define SMC_outsl(a, r, p, l) BUG()
- #endif
- #if ! SMC_CAN_USE_16BIT
- /*
- * Any 16-bit access is performed with two 8-bit accesses if the hardware
- * can't do it directly. Most registers are 16-bit so those are mandatory.
- */
- #define SMC_outw(x, ioaddr, reg) \
- do { \
- unsigned int __val16 = (x); \
- SMC_outb( __val16, ioaddr, reg ); \
- SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
- } while (0)
- #define SMC_inw(ioaddr, reg) \
- ({ \
- unsigned int __val16; \
- __val16 = SMC_inb( ioaddr, reg ); \
- __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
- __val16; \
- })
- #define SMC_insw(a, r, p, l) BUG()
- #define SMC_outsw(a, r, p, l) BUG()
- #endif
- #if !defined(SMC_insw) || !defined(SMC_outsw)
- #define SMC_insw(a, r, p, l) BUG()
- #define SMC_outsw(a, r, p, l) BUG()
- #endif
- #if ! SMC_CAN_USE_8BIT
- #define SMC_inb(ioaddr, reg) ({ BUG(); 0; })
- #define SMC_outb(x, ioaddr, reg) BUG()
- #define SMC_insb(a, r, p, l) BUG()
- #define SMC_outsb(a, r, p, l) BUG()
- #endif
- #if !defined(SMC_insb) || !defined(SMC_outsb)
- #define SMC_insb(a, r, p, l) BUG()
- #define SMC_outsb(a, r, p, l) BUG()
- #endif
- #ifndef SMC_CAN_USE_DATACS
- #define SMC_CAN_USE_DATACS 0
- #endif
- #ifndef SMC_IO_SHIFT
- #define SMC_IO_SHIFT 0
- #endif
- #ifndef SMC_IRQ_FLAGS
- #define SMC_IRQ_FLAGS IRQF_TRIGGER_RISING
- #endif
- #ifndef SMC_INTERRUPT_PREAMBLE
- #define SMC_INTERRUPT_PREAMBLE
- #endif
- /* Because of bank switching, the LAN91x uses only 16 I/O ports */
- #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
- #define SMC_DATA_EXTENT (4)
- /*
- . Bank Select Register:
- .
- . yyyy yyyy 0000 00xx
- . xx = bank number
- . yyyy yyyy = 0x33, for identification purposes.
- */
- #define BANK_SELECT (14 << SMC_IO_SHIFT)
- // Transmit Control Register
- /* BANK 0 */
- #define TCR_REG(lp) SMC_REG(lp, 0x0000, 0)
- #define TCR_ENABLE 0x0001 // When 1 we can transmit
- #define TCR_LOOP 0x0002 // Controls output pin LBK
- #define TCR_FORCOL 0x0004 // When 1 will force a collision
- #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
- #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
- #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
- #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
- #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
- #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
- #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
- #define TCR_CLEAR 0 /* do NOTHING */
- /* the default settings for the TCR register : */
- #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
- // EPH Status Register
- /* BANK 0 */
- #define EPH_STATUS_REG(lp) SMC_REG(lp, 0x0002, 0)
- #define ES_TX_SUC 0x0001 // Last TX was successful
- #define ES_SNGL_COL 0x0002 // Single collision detected for last tx
- #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
- #define ES_LTX_MULT 0x0008 // Last tx was a multicast
- #define ES_16COL 0x0010 // 16 Collisions Reached
- #define ES_SQET 0x0020 // Signal Quality Error Test
- #define ES_LTXBRD 0x0040 // Last tx was a broadcast
- #define ES_TXDEFR 0x0080 // Transmit Deferred
- #define ES_LATCOL 0x0200 // Late collision detected on last tx
- #define ES_LOSTCARR 0x0400 // Lost Carrier Sense
- #define ES_EXC_DEF 0x0800 // Excessive Deferral
- #define ES_CTR_ROL 0x1000 // Counter Roll Over indication
- #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
- #define ES_TXUNRN 0x8000 // Tx Underrun
- // Receive Control Register
- /* BANK 0 */
- #define RCR_REG(lp) SMC_REG(lp, 0x0004, 0)
- #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
- #define RCR_PRMS 0x0002 // Enable promiscuous mode
- #define RCR_ALMUL 0x0004 // When set accepts all multicast frames
- #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
- #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
- #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
- #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
- #define RCR_SOFTRST 0x8000 // resets the chip
- /* the normal settings for the RCR register : */
- #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
- #define RCR_CLEAR 0x0 // set it to a base state
- // Counter Register
- /* BANK 0 */
- #define COUNTER_REG(lp) SMC_REG(lp, 0x0006, 0)
- // Memory Information Register
- /* BANK 0 */
- #define MIR_REG(lp) SMC_REG(lp, 0x0008, 0)
- // Receive/Phy Control Register
- /* BANK 0 */
- #define RPC_REG(lp) SMC_REG(lp, 0x000A, 0)
- #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
- #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
- #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
- #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
- #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
- #ifndef RPC_LSA_DEFAULT
- #define RPC_LSA_DEFAULT RPC_LED_100
- #endif
- #ifndef RPC_LSB_DEFAULT
- #define RPC_LSB_DEFAULT RPC_LED_FD
- #endif
- #define RPC_DEFAULT (RPC_ANEG | RPC_SPEED | RPC_DPLX)
- /* Bank 0 0x0C is reserved */
- // Bank Select Register
- /* All Banks */
- #define BSR_REG 0x000E
- // Configuration Reg
- /* BANK 1 */
- #define CONFIG_REG(lp) SMC_REG(lp, 0x0000, 1)
- #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
- #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
- #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
- #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
- // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
- #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
- // Base Address Register
- /* BANK 1 */
- #define BASE_REG(lp) SMC_REG(lp, 0x0002, 1)
- // Individual Address Registers
- /* BANK 1 */
- #define ADDR0_REG(lp) SMC_REG(lp, 0x0004, 1)
- #define ADDR1_REG(lp) SMC_REG(lp, 0x0006, 1)
- #define ADDR2_REG(lp) SMC_REG(lp, 0x0008, 1)
- // General Purpose Register
- /* BANK 1 */
- #define GP_REG(lp) SMC_REG(lp, 0x000A, 1)
- // Control Register
- /* BANK 1 */
- #define CTL_REG(lp) SMC_REG(lp, 0x000C, 1)
- #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
- #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
- #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
- #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
- #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
- #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
- #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
- #define CTL_STORE 0x0001 // When set stores registers into EEPROM
- // MMU Command Register
- /* BANK 2 */
- #define MMU_CMD_REG(lp) SMC_REG(lp, 0x0000, 2)
- #define MC_BUSY 1 // When 1 the last release has not completed
- #define MC_NOP (0<<5) // No Op
- #define MC_ALLOC (1<<5) // OR with number of 256 byte packets
- #define MC_RESET (2<<5) // Reset MMU to initial state
- #define MC_REMOVE (3<<5) // Remove the current rx packet
- #define MC_RELEASE (4<<5) // Remove and release the current rx packet
- #define MC_FREEPKT (5<<5) // Release packet in PNR register
- #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
- #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
- // Packet Number Register
- /* BANK 2 */
- #define PN_REG(lp) SMC_REG(lp, 0x0002, 2)
- // Allocation Result Register
- /* BANK 2 */
- #define AR_REG(lp) SMC_REG(lp, 0x0003, 2)
- #define AR_FAILED 0x80 // Alocation Failed
- // TX FIFO Ports Register
- /* BANK 2 */
- #define TXFIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
- #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
- // RX FIFO Ports Register
- /* BANK 2 */
- #define RXFIFO_REG(lp) SMC_REG(lp, 0x0005, 2)
- #define RXFIFO_REMPTY 0x80 // RX FIFO Empty
- #define FIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
- // Pointer Register
- /* BANK 2 */
- #define PTR_REG(lp) SMC_REG(lp, 0x0006, 2)
- #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
- #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
- #define PTR_READ 0x2000 // When 1 the operation is a read
- // Data Register
- /* BANK 2 */
- #define DATA_REG(lp) SMC_REG(lp, 0x0008, 2)
- // Interrupt Status/Acknowledge Register
- /* BANK 2 */
- #define INT_REG(lp) SMC_REG(lp, 0x000C, 2)
- // Interrupt Mask Register
- /* BANK 2 */
- #define IM_REG(lp) SMC_REG(lp, 0x000D, 2)
- #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
- #define IM_ERCV_INT 0x40 // Early Receive Interrupt
- #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
- #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
- #define IM_ALLOC_INT 0x08 // Set when allocation request is completed
- #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
- #define IM_TX_INT 0x02 // Transmit Interrupt
- #define IM_RCV_INT 0x01 // Receive Interrupt
- // Multicast Table Registers
- /* BANK 3 */
- #define MCAST_REG1(lp) SMC_REG(lp, 0x0000, 3)
- #define MCAST_REG2(lp) SMC_REG(lp, 0x0002, 3)
- #define MCAST_REG3(lp) SMC_REG(lp, 0x0004, 3)
- #define MCAST_REG4(lp) SMC_REG(lp, 0x0006, 3)
- // Management Interface Register (MII)
- /* BANK 3 */
- #define MII_REG(lp) SMC_REG(lp, 0x0008, 3)
- #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
- #define MII_MDOE 0x0008 // MII Output Enable
- #define MII_MCLK 0x0004 // MII Clock, pin MDCLK
- #define MII_MDI 0x0002 // MII Input, pin MDI
- #define MII_MDO 0x0001 // MII Output, pin MDO
- // Revision Register
- /* BANK 3 */
- /* ( hi: chip id low: rev # ) */
- #define REV_REG(lp) SMC_REG(lp, 0x000A, 3)
- // Early RCV Register
- /* BANK 3 */
- /* this is NOT on SMC9192 */
- #define ERCV_REG(lp) SMC_REG(lp, 0x000C, 3)
- #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
- #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
- // External Register
- /* BANK 7 */
- #define EXT_REG(lp) SMC_REG(lp, 0x0000, 7)
- #define CHIP_9192 3
- #define CHIP_9194 4
- #define CHIP_9195 5
- #define CHIP_9196 6
- #define CHIP_91100 7
- #define CHIP_91100FD 8
- #define CHIP_91111FD 9
- static const char * chip_ids[ 16 ] = {
- NULL, NULL, NULL,
- /* 3 */ "SMC91C90/91C92",
- /* 4 */ "SMC91C94",
- /* 5 */ "SMC91C95",
- /* 6 */ "SMC91C96",
- /* 7 */ "SMC91C100",
- /* 8 */ "SMC91C100FD",
- /* 9 */ "SMC91C11xFD",
- NULL, NULL, NULL,
- NULL, NULL, NULL};
- /*
- . Receive status bits
- */
- #define RS_ALGNERR 0x8000
- #define RS_BRODCAST 0x4000
- #define RS_BADCRC 0x2000
- #define RS_ODDFRAME 0x1000
- #define RS_TOOLONG 0x0800
- #define RS_TOOSHORT 0x0400
- #define RS_MULTICAST 0x0001
- #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
- /*
- * PHY IDs
- * LAN83C183 == LAN91C111 Internal PHY
- */
- #define PHY_LAN83C183 0x0016f840
- #define PHY_LAN83C180 0x02821c50
- /*
- * PHY Register Addresses (LAN91C111 Internal PHY)
- *
- * Generic PHY registers can be found in <linux/mii.h>
- *
- * These phy registers are specific to our on-board phy.
- */
- // PHY Configuration Register 1
- #define PHY_CFG1_REG 0x10
- #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
- #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
- #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
- #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
- #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
- #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
- #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
- #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
- #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
- #define PHY_CFG1_TLVL_MASK 0x003C
- #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
- // PHY Configuration Register 2
- #define PHY_CFG2_REG 0x11
- #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
- #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
- #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
- #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
- // PHY Status Output (and Interrupt status) Register
- #define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
- #define PHY_INT_INT 0x8000 // 1=bits have changed since last read
- #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
- #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
- #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
- #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
- #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
- #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
- #define PHY_INT_JAB 0x0100 // 1=Jabber detected
- #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
- #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
- // PHY Interrupt/Status Mask Register
- #define PHY_MASK_REG 0x13 // Interrupt Mask
- // Uses the same bit definitions as PHY_INT_REG
- /*
- * SMC91C96 ethernet config and status registers.
- * These are in the "attribute" space.
- */
- #define ECOR 0x8000
- #define ECOR_RESET 0x80
- #define ECOR_LEVEL_IRQ 0x40
- #define ECOR_WR_ATTRIB 0x04
- #define ECOR_ENABLE 0x01
- #define ECSR 0x8002
- #define ECSR_IOIS8 0x20
- #define ECSR_PWRDWN 0x04
- #define ECSR_INT 0x02
- #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
- /*
- * Macros to abstract register access according to the data bus
- * capabilities. Please use those and not the in/out primitives.
- * Note: the following macros do *not* select the bank -- this must
- * be done separately as needed in the main code. The SMC_REG() macro
- * only uses the bank argument for debugging purposes (when enabled).
- *
- * Note: despite inline functions being safer, everything leading to this
- * should preferably be macros to let BUG() display the line number in
- * the core source code since we're interested in the top call site
- * not in any inline function location.
- */
- #if SMC_DEBUG > 0
- #define SMC_REG(lp, reg, bank) \
- ({ \
- int __b = SMC_CURRENT_BANK(lp); \
- if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
- printk( "%s: bank reg screwed (0x%04x)\n", \
- CARDNAME, __b ); \
- BUG(); \
- } \
- reg<<SMC_IO_SHIFT; \
- })
- #else
- #define SMC_REG(lp, reg, bank) (reg<<SMC_IO_SHIFT)
- #endif
- /*
- * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not
- * aligned to a 32 bit boundary. I tell you that does exist!
- * Fortunately the affected register accesses can be easily worked around
- * since we can write zeroes to the preceding 16 bits without adverse
- * effects and use a 32-bit access.
- *
- * Enforce it on any 32-bit capable setup for now.
- */
- #define SMC_MUST_ALIGN_WRITE(lp) SMC_32BIT(lp)
- #define SMC_GET_PN(lp) \
- (SMC_8BIT(lp) ? (SMC_inb(ioaddr, PN_REG(lp))) \
- : (SMC_inw(ioaddr, PN_REG(lp)) & 0xFF))
- #define SMC_SET_PN(lp, x) \
- do { \
- if (SMC_MUST_ALIGN_WRITE(lp)) \
- SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 0, 2)); \
- else if (SMC_8BIT(lp)) \
- SMC_outb(x, ioaddr, PN_REG(lp)); \
- else \
- SMC_outw(x, ioaddr, PN_REG(lp)); \
- } while (0)
- #define SMC_GET_AR(lp) \
- (SMC_8BIT(lp) ? (SMC_inb(ioaddr, AR_REG(lp))) \
- : (SMC_inw(ioaddr, PN_REG(lp)) >> 8))
- #define SMC_GET_TXFIFO(lp) \
- (SMC_8BIT(lp) ? (SMC_inb(ioaddr, TXFIFO_REG(lp))) \
- : (SMC_inw(ioaddr, TXFIFO_REG(lp)) & 0xFF))
- #define SMC_GET_RXFIFO(lp) \
- (SMC_8BIT(lp) ? (SMC_inb(ioaddr, RXFIFO_REG(lp))) \
- : (SMC_inw(ioaddr, TXFIFO_REG(lp)) >> 8))
- #define SMC_GET_INT(lp) \
- (SMC_8BIT(lp) ? (SMC_inb(ioaddr, INT_REG(lp))) \
- : (SMC_inw(ioaddr, INT_REG(lp)) & 0xFF))
- #define SMC_ACK_INT(lp, x) \
- do { \
- if (SMC_8BIT(lp)) \
- SMC_outb(x, ioaddr, INT_REG(lp)); \
- else { \
- unsigned long __flags; \
- int __mask; \
- local_irq_save(__flags); \
- __mask = SMC_inw(ioaddr, INT_REG(lp)) & ~0xff; \
- SMC_outw(__mask | (x), ioaddr, INT_REG(lp)); \
- local_irq_restore(__flags); \
- } \
- } while (0)
- #define SMC_GET_INT_MASK(lp) \
- (SMC_8BIT(lp) ? (SMC_inb(ioaddr, IM_REG(lp))) \
- : (SMC_inw(ioaddr, INT_REG(lp)) >> 8))
- #define SMC_SET_INT_MASK(lp, x) \
- do { \
- if (SMC_8BIT(lp)) \
- SMC_outb(x, ioaddr, IM_REG(lp)); \
- else \
- SMC_outw((x) << 8, ioaddr, INT_REG(lp)); \
- } while (0)
- #define SMC_CURRENT_BANK(lp) SMC_inw(ioaddr, BANK_SELECT)
- #define SMC_SELECT_BANK(lp, x) \
- do { \
- if (SMC_MUST_ALIGN_WRITE(lp)) \
- SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT); \
- else \
- SMC_outw(x, ioaddr, BANK_SELECT); \
- } while (0)
- #define SMC_GET_BASE(lp) SMC_inw(ioaddr, BASE_REG(lp))
- #define SMC_SET_BASE(lp, x) SMC_outw(x, ioaddr, BASE_REG(lp))
- #define SMC_GET_CONFIG(lp) SMC_inw(ioaddr, CONFIG_REG(lp))
- #define SMC_SET_CONFIG(lp, x) SMC_outw(x, ioaddr, CONFIG_REG(lp))
- #define SMC_GET_COUNTER(lp) SMC_inw(ioaddr, COUNTER_REG(lp))
- #define SMC_GET_CTL(lp) SMC_inw(ioaddr, CTL_REG(lp))
- #define SMC_SET_CTL(lp, x) SMC_outw(x, ioaddr, CTL_REG(lp))
- #define SMC_GET_MII(lp) SMC_inw(ioaddr, MII_REG(lp))
- #define SMC_GET_GP(lp) SMC_inw(ioaddr, GP_REG(lp))
- #define SMC_SET_GP(lp, x) \
- do { \
- if (SMC_MUST_ALIGN_WRITE(lp)) \
- SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 1)); \
- else \
- SMC_outw(x, ioaddr, GP_REG(lp)); \
- } while (0)
- #define SMC_SET_MII(lp, x) SMC_outw(x, ioaddr, MII_REG(lp))
- #define SMC_GET_MIR(lp) SMC_inw(ioaddr, MIR_REG(lp))
- #define SMC_SET_MIR(lp, x) SMC_outw(x, ioaddr, MIR_REG(lp))
- #define SMC_GET_MMU_CMD(lp) SMC_inw(ioaddr, MMU_CMD_REG(lp))
- #define SMC_SET_MMU_CMD(lp, x) SMC_outw(x, ioaddr, MMU_CMD_REG(lp))
- #define SMC_GET_FIFO(lp) SMC_inw(ioaddr, FIFO_REG(lp))
- #define SMC_GET_PTR(lp) SMC_inw(ioaddr, PTR_REG(lp))
- #define SMC_SET_PTR(lp, x) \
- do { \
- if (SMC_MUST_ALIGN_WRITE(lp)) \
- SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 4, 2)); \
- else \
- SMC_outw(x, ioaddr, PTR_REG(lp)); \
- } while (0)
- #define SMC_GET_EPH_STATUS(lp) SMC_inw(ioaddr, EPH_STATUS_REG(lp))
- #define SMC_GET_RCR(lp) SMC_inw(ioaddr, RCR_REG(lp))
- #define SMC_SET_RCR(lp, x) SMC_outw(x, ioaddr, RCR_REG(lp))
- #define SMC_GET_REV(lp) SMC_inw(ioaddr, REV_REG(lp))
- #define SMC_GET_RPC(lp) SMC_inw(ioaddr, RPC_REG(lp))
- #define SMC_SET_RPC(lp, x) \
- do { \
- if (SMC_MUST_ALIGN_WRITE(lp)) \
- SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 0)); \
- else \
- SMC_outw(x, ioaddr, RPC_REG(lp)); \
- } while (0)
- #define SMC_GET_TCR(lp) SMC_inw(ioaddr, TCR_REG(lp))
- #define SMC_SET_TCR(lp, x) SMC_outw(x, ioaddr, TCR_REG(lp))
- #ifndef SMC_GET_MAC_ADDR
- #define SMC_GET_MAC_ADDR(lp, addr) \
- do { \
- unsigned int __v; \
- __v = SMC_inw(ioaddr, ADDR0_REG(lp)); \
- addr[0] = __v; addr[1] = __v >> 8; \
- __v = SMC_inw(ioaddr, ADDR1_REG(lp)); \
- addr[2] = __v; addr[3] = __v >> 8; \
- __v = SMC_inw(ioaddr, ADDR2_REG(lp)); \
- addr[4] = __v; addr[5] = __v >> 8; \
- } while (0)
- #endif
- #define SMC_SET_MAC_ADDR(lp, addr) \
- do { \
- SMC_outw(addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG(lp)); \
- SMC_outw(addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG(lp)); \
- SMC_outw(addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG(lp)); \
- } while (0)
- #define SMC_SET_MCAST(lp, x) \
- do { \
- const unsigned char *mt = (x); \
- SMC_outw(mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1(lp)); \
- SMC_outw(mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2(lp)); \
- SMC_outw(mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3(lp)); \
- SMC_outw(mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4(lp)); \
- } while (0)
- #define SMC_PUT_PKT_HDR(lp, status, length) \
- do { \
- if (SMC_32BIT(lp)) \
- SMC_outl((status) | (length)<<16, ioaddr, \
- DATA_REG(lp)); \
- else { \
- SMC_outw(status, ioaddr, DATA_REG(lp)); \
- SMC_outw(length, ioaddr, DATA_REG(lp)); \
- } \
- } while (0)
- #define SMC_GET_PKT_HDR(lp, status, length) \
- do { \
- if (SMC_32BIT(lp)) { \
- unsigned int __val = SMC_inl(ioaddr, DATA_REG(lp)); \
- (status) = __val & 0xffff; \
- (length) = __val >> 16; \
- } else { \
- (status) = SMC_inw(ioaddr, DATA_REG(lp)); \
- (length) = SMC_inw(ioaddr, DATA_REG(lp)); \
- } \
- } while (0)
- #define SMC_PUSH_DATA(lp, p, l) \
- do { \
- if (SMC_32BIT(lp)) { \
- void *__ptr = (p); \
- int __len = (l); \
- void __iomem *__ioaddr = ioaddr; \
- if (__len >= 2 && (unsigned long)__ptr & 2) { \
- __len -= 2; \
- SMC_outw(*(u16 *)__ptr, ioaddr, \
- DATA_REG(lp)); \
- __ptr += 2; \
- } \
- if (SMC_CAN_USE_DATACS && lp->datacs) \
- __ioaddr = lp->datacs; \
- SMC_outsl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
- if (__len & 2) { \
- __ptr += (__len & ~3); \
- SMC_outw(*((u16 *)__ptr), ioaddr, \
- DATA_REG(lp)); \
- } \
- } else if (SMC_16BIT(lp)) \
- SMC_outsw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
- else if (SMC_8BIT(lp)) \
- SMC_outsb(ioaddr, DATA_REG(lp), p, l); \
- } while (0)
- #define SMC_PULL_DATA(lp, p, l) \
- do { \
- if (SMC_32BIT(lp)) { \
- void *__ptr = (p); \
- int __len = (l); \
- void __iomem *__ioaddr = ioaddr; \
- if ((unsigned long)__ptr & 2) { \
- /* \
- * We want 32bit alignment here. \
- * Since some buses perform a full \
- * 32bit fetch even for 16bit data \
- * we can't use SMC_inw() here. \
- * Back both source (on-chip) and \
- * destination pointers of 2 bytes. \
- * This is possible since the call to \
- * SMC_GET_PKT_HDR() already advanced \
- * the source pointer of 4 bytes, and \
- * the skb_reserve(skb, 2) advanced \
- * the destination pointer of 2 bytes. \
- */ \
- __ptr -= 2; \
- __len += 2; \
- SMC_SET_PTR(lp, \
- 2|PTR_READ|PTR_RCV|PTR_AUTOINC); \
- } \
- if (SMC_CAN_USE_DATACS && lp->datacs) \
- __ioaddr = lp->datacs; \
- __len += 2; \
- SMC_insl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
- } else if (SMC_16BIT(lp)) \
- SMC_insw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
- else if (SMC_8BIT(lp)) \
- SMC_insb(ioaddr, DATA_REG(lp), p, l); \
- } while (0)
- #endif /* _SMC91X_H_ */
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