diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/Makefile | 3 | ||||
| -rw-r--r-- | drivers/net/ax88796.h | 217 | ||||
| -rw-r--r-- | drivers/net/bfin_mac.c | 523 | ||||
| -rw-r--r-- | drivers/net/bfin_mac.h | 89 | ||||
| -rw-r--r-- | drivers/net/ne2000.c | 218 | ||||
| -rw-r--r-- | drivers/net/ne2000.h | 316 | ||||
| -rw-r--r-- | drivers/net/ne2000_base.h | 282 | ||||
| -rw-r--r-- | drivers/net/smc91111.h | 4 |
8 files changed, 1293 insertions, 359 deletions
diff --git a/drivers/net/Makefile b/drivers/net/Makefile index b9723fa..7d7df9c 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -27,6 +27,7 @@ LIB := $(obj)libnet.a COBJS-y += 3c589.o COBJS-y += bcm570x.o bcm570x_autoneg.o 5701rls.o +COBJS-$(CONFIG_BFIN_MAC) += bfin_mac.o COBJS-y += cs8900.o COBJS-y += dc2114x.o COBJS-y += dm9000x.o @@ -40,7 +41,7 @@ COBJS-y += lan91c96.o COBJS-y += macb.o COBJS-y += mcffec.o COBJS-y += natsemi.o -COBJS-y += ne2000.o +COBJS-$(CONFIG_DRIVER_NE2000) += ne2000.o COBJS-y += netarm_eth.o COBJS-y += netconsole.o COBJS-y += ns7520_eth.o diff --git a/drivers/net/ax88796.h b/drivers/net/ax88796.h new file mode 100644 index 0000000..069ae80 --- /dev/null +++ b/drivers/net/ax88796.h @@ -0,0 +1,217 @@ +/* + * AX88796L(NE2000) support + * + * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * + * 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 + * + */ + +#ifndef __DRIVERS_AX88796L_H__ +#define __DRIVERS_AX88796L_H__ + +#define DP_DATA (0x10 << 1) +#define START_PG 0x40 /* First page of TX buffer */ +#define START_PG2 0x48 +#define STOP_PG 0x80 /* Last page +1 of RX ring */ +#define TX_PAGES 12 +#define RX_START (START_PG+TX_PAGES) +#define RX_END STOP_PG + +#define AX88796L_BASE_ADDRESS CONFIG_DRIVER_NE2000_BASE +#define AX88796L_BYTE_ACCESS 0x00001000 +#define AX88796L_OFFSET 0x00000400 +#define AX88796L_ADDRESS_BYTE AX88796L_BASE_ADDRESS + \ + AX88796L_BYTE_ACCESS + AX88796L_OFFSET +#define AX88796L_REG_MEMR AX88796L_ADDRESS_BYTE + (0x14<<1) +#define AX88796L_REG_CR AX88796L_ADDRESS_BYTE + (0x00<<1) + +#define AX88796L_CR (*(vu_short *)(AX88796L_REG_CR)) +#define AX88796L_MEMR (*(vu_short *)(AX88796L_REG_MEMR)) + +#define EECS_HIGH (AX88796L_MEMR |= 0x10) +#define EECS_LOW (AX88796L_MEMR &= 0xef) +#define EECLK_HIGH (AX88796L_MEMR |= 0x80) +#define EECLK_LOW (AX88796L_MEMR &= 0x7f) +#define EEDI_HIGH (AX88796L_MEMR |= 0x20) +#define EEDI_LOW (AX88796L_MEMR &= 0xdf) +#define EEDO ((AX88796L_MEMR & 0x40)>>6) + +#define PAGE0_SET (AX88796L_CR &= 0x3f) +#define PAGE1_SET (AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40) + +#define BIT_DUMMY 0 +#define MAC_EEP_READ 1 +#define MAC_EEP_WRITE 2 +#define MAC_EEP_ERACE 3 +#define MAC_EEP_EWEN 4 +#define MAC_EEP_EWDS 5 + +/* R7780MP Specific code */ +#if defined(CONFIG_R7780MP) +#define ISA_OFFSET 0x1400 +#define DP_IN(_b_, _o_, _d_) (_d_) = \ + *( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET)) +#define DP_OUT(_b_, _o_, _d_) \ + *((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_) +#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET)) +#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_) +#else +/* Please change for your target boards */ +#define ISA_OFFSET 0x0000 +#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET)) +#define DP_OUT(_b_, _o_, _d_) *((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_) +#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET)) +#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_) +#endif + + +/* + * Set 1 bit data + */ +static void ax88796_bitset(u32 bit) +{ + /* DATA1 */ + if( bit ) + EEDI_HIGH; + else + EEDI_LOW; + + EECLK_LOW; + udelay(1000); + EECLK_HIGH; + udelay(1000); + EEDI_LOW; +} + +/* + * Get 1 bit data + */ +static u8 ax88796_bitget(void) +{ + u8 bit; + + EECLK_LOW; + udelay(1000); + /* DATA */ + bit = EEDO; + EECLK_HIGH; + udelay(1000); + + return bit; +} + +/* + * Send COMMAND to EEPROM + */ +static void ax88796_eep_cmd(u8 cmd) +{ + ax88796_bitset(BIT_DUMMY); + switch(cmd){ + case MAC_EEP_READ: + ax88796_bitset(1); + ax88796_bitset(1); + ax88796_bitset(0); + break; + + case MAC_EEP_WRITE: + ax88796_bitset(1); + ax88796_bitset(0); + ax88796_bitset(1); + break; + + case MAC_EEP_ERACE: + ax88796_bitset(1); + ax88796_bitset(1); + ax88796_bitset(1); + break; + + case MAC_EEP_EWEN: + ax88796_bitset(1); + ax88796_bitset(0); + ax88796_bitset(0); + break; + + case MAC_EEP_EWDS: + ax88796_bitset(1); + ax88796_bitset(0); + ax88796_bitset(0); + break; + default: + break; + } +} + +static void ax88796_eep_setaddr(u16 addr) +{ + int i ; + for( i = 7 ; i >= 0 ; i-- ) + ax88796_bitset(addr & (1 << i)); +} + +/* + * Get data from EEPROM + */ +static u16 ax88796_eep_getdata(void) +{ + ushort data = 0; + int i; + + ax88796_bitget(); /* DUMMY */ + for( i = 0 ; i < 16 ; i++ ){ + data <<= 1; + data |= ax88796_bitget(); + } + return data; +} + +static void ax88796_mac_read(u8 *buff) +{ + int i ; + u16 data, addr = 0; + + for( i = 0 ; i < 3; i++ ) + { + EECS_HIGH; + EEDI_LOW; + udelay(1000); + /* READ COMMAND */ + ax88796_eep_cmd(MAC_EEP_READ); + /* ADDRESS */ + ax88796_eep_setaddr(addr++); + /* GET DATA */ + data = ax88796_eep_getdata(); + *buff++ = (uchar)(data & 0xff); + *buff++ = (uchar)((data >> 8) & 0xff); + EECLK_LOW; + EEDI_LOW; + EECS_LOW; + } +} + +int get_prom(u8* mac_addr) +{ + u8 prom[32]; + int i; + + ax88796_mac_read(prom); + for (i = 0; i < 6; i++){ + mac_addr[i] = prom[i]; + } + return 1; +} + +#endif /* __DRIVERS_AX88796L_H__ */ diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c new file mode 100644 index 0000000..afe122a --- /dev/null +++ b/drivers/net/bfin_mac.c @@ -0,0 +1,523 @@ +/* + * Driver for Blackfin On-Chip MAC device + * + * Copyright (c) 2005-2008 Analog Device, Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <config.h> +#include <net.h> +#include <command.h> +#include <malloc.h> + +#include <asm/blackfin.h> +#include <asm/mach-common/bits/dma.h> +#include <asm/mach-common/bits/emac.h> +#include <asm/mach-common/bits/pll.h> + +#include "bfin_mac.h" + +#ifdef CONFIG_POST +#include <post.h> +#endif + +#undef DEBUG_ETHERNET + +#ifdef DEBUG_ETHERNET +#define DEBUGF(fmt, args...) printf(fmt, ##args) +#else +#define DEBUGF(fmt, args...) +#endif + +#define RXBUF_BASE_ADDR 0xFF900000 +#define TXBUF_BASE_ADDR 0xFF800000 +#define TX_BUF_CNT 1 + +#define TOUT_LOOP 1000000 + +ADI_ETHER_BUFFER *txbuf[TX_BUF_CNT]; +ADI_ETHER_BUFFER *rxbuf[PKTBUFSRX]; +static u16 txIdx; /* index of the current RX buffer */ +static u16 rxIdx; /* index of the current TX buffer */ + +u16 PHYregs[NO_PHY_REGS]; /* u16 PHYADDR; */ + +/* DMAx_CONFIG values at DMA Restart */ +const ADI_DMA_CONFIG_REG rxdmacfg = { + .b_DMA_EN = 1, /* enabled */ + .b_WNR = 1, /* write to memory */ + .b_WDSIZE = 2, /* wordsize is 32 bits */ + .b_DMA2D = 0, + .b_RESTART = 0, + .b_DI_SEL = 0, + .b_DI_EN = 0, /* no interrupt */ + .b_NDSIZE = 5, /* 5 half words is desc size */ + .b_FLOW = 7 /* large desc flow */ +}; + +const ADI_DMA_CONFIG_REG txdmacfg = { + .b_DMA_EN = 1, /* enabled */ + .b_WNR = 0, /* read from memory */ + .b_WDSIZE = 2, /* wordsize is 32 bits */ + .b_DMA2D = 0, + .b_RESTART = 0, + .b_DI_SEL = 0, + .b_DI_EN = 0, /* no interrupt */ + .b_NDSIZE = 5, /* 5 half words is desc size */ + .b_FLOW = 7 /* large desc flow */ +}; + +int bfin_EMAC_initialize(bd_t *bis) +{ + struct eth_device *dev; + dev = (struct eth_device *)malloc(sizeof(*dev)); + if (dev == NULL) + hang(); + + memset(dev, 0, sizeof(*dev)); + sprintf(dev->name, "Blackfin EMAC"); + + dev->iobase = 0; + dev->priv = 0; + dev->init = bfin_EMAC_init; + dev->halt = bfin_EMAC_halt; + dev->send = bfin_EMAC_send; + dev->recv = bfin_EMAC_recv; + + eth_register(dev); + + return 1; +} + +static int bfin_EMAC_send(struct eth_device *dev, volatile void *packet, + int length) +{ + int i; + int result = 0; + unsigned int *buf; + buf = (unsigned int *)packet; + + if (length <= 0) { + printf("Ethernet: bad packet size: %d\n", length); + goto out; + } + + if ((*pDMA2_IRQ_STATUS & DMA_ERR) != 0) { + printf("Ethernet: tx DMA error\n"); + goto out; + } + + for (i = 0; (*pDMA2_IRQ_STATUS & DMA_RUN) != 0; i++) { + if (i > TOUT_LOOP) { + puts("Ethernet: tx time out\n"); + goto out; + } + } + txbuf[txIdx]->FrmData->NoBytes = length; + memcpy(txbuf[txIdx]->FrmData->Dest, (void *)packet, length); + txbuf[txIdx]->Dma[0].START_ADDR = (u32) txbuf[txIdx]->FrmData; + *pDMA2_NEXT_DESC_PTR = &txbuf[txIdx]->Dma[0]; + *pDMA2_CONFIG = *(u16 *) (void *)(&txdmacfg); + *pEMAC_OPMODE |= TE; + + for (i = 0; (txbuf[txIdx]->StatusWord & TX_COMP) == 0; i++) { + if (i > TOUT_LOOP) { + puts("Ethernet: tx error\n"); + goto out; + } + } + result = txbuf[txIdx]->StatusWord; + txbuf[txIdx]->StatusWord = 0; + if ((txIdx + 1) >= TX_BUF_CNT) + txIdx = 0; + else + txIdx++; + out: + DEBUGF("BFIN EMAC send: length = %d\n", length); + return result; +} + +static int bfin_EMAC_recv(struct eth_device *dev) +{ + int length = 0; + + for (;;) { + if ((rxbuf[rxIdx]->StatusWord & RX_COMP) == 0) { + length = -1; + break; + } + if ((rxbuf[rxIdx]->StatusWord & RX_DMAO) != 0) { + printf("Ethernet: rx dma overrun\n"); + break; + } + if ((rxbuf[rxIdx]->StatusWord & RX_OK) == 0) { + printf("Ethernet: rx error\n"); + break; + } + length = rxbuf[rxIdx]->StatusWord & 0x000007FF; + if (length <= 4) { + printf("Ethernet: bad frame\n"); + break; + } + NetRxPackets[rxIdx] = + (volatile uchar *)(rxbuf[rxIdx]->FrmData->Dest); + NetReceive(NetRxPackets[rxIdx], length - 4); + *pDMA1_IRQ_STATUS |= DMA_DONE | DMA_ERR; + rxbuf[rxIdx]->StatusWord = 0x00000000; + if ((rxIdx + 1) >= PKTBUFSRX) + rxIdx = 0; + else + rxIdx++; + } + + return length; +} + +/************************************************************** + * + * Ethernet Initialization Routine + * + *************************************************************/ + +static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd) +{ + u32 opmode; + int dat; + int i; + DEBUGF("Eth_init: ......\n"); + + txIdx = 0; + rxIdx = 0; + +/* Initialize System Register */ + if (SetupSystemRegs(&dat) < 0) + return -1; + +/* Initialize EMAC address */ + bfin_EMAC_setup_addr(bd); + +/* Initialize TX and RX buffer */ + for (i = 0; i < PKTBUFSRX; i++) { + rxbuf[i] = SetupRxBuffer(i); + if (i > 0) { + rxbuf[i - 1]->Dma[1].NEXT_DESC_PTR = + &(rxbuf[i]->Dma[0]); + if (i == (PKTBUFSRX - 1)) + rxbuf[i]->Dma[1].NEXT_DESC_PTR = + &(rxbuf[0]->Dma[0]); + } + } + for (i = 0; i < TX_BUF_CNT; i++) { + txbuf[i] = SetupTxBuffer(i); + if (i > 0) { + txbuf[i - 1]->Dma[1].NEXT_DESC_PTR = + &(txbuf[i]->Dma[0]); + if (i == (TX_BUF_CNT - 1)) + txbuf[i]->Dma[1].NEXT_DESC_PTR = + &(txbuf[0]->Dma[0]); + } + } + + /* Set RX DMA */ + *pDMA1_NEXT_DESC_PTR = &rxbuf[0]->Dma[0]; + *pDMA1_CONFIG = *((u16 *) (void *)&rxbuf[0]->Dma[0].CONFIG); + + /* Wait MII done */ + PollMdcDone(); + + /* We enable only RX here */ + /* ASTP : Enable Automatic Pad Stripping + PR : Promiscuous Mode for test + PSF : Receive frames with total length less than 64 bytes. + FDMODE : Full Duplex Mode + LB : Internal Loopback for test + RE : Receiver Enable */ + if (dat == FDMODE) + opmode = ASTP | FDMODE | PSF; + else + opmode = ASTP | PSF; + opmode |= RE; +#ifdef CONFIG_BFIN_MAC_RMII + opmode |= TE | RMII; +#endif + /* Turn on the EMAC */ + *pEMAC_OPMODE = opmode; + return 0; +} + +static void bfin_EMAC_halt(struct eth_device *dev) +{ + DEBUGF("Eth_halt: ......\n"); + /* Turn off the EMAC */ + *pEMAC_OPMODE = 0x00000000; + /* Turn off the EMAC RX DMA */ + *pDMA1_CONFIG = 0x0000; + *pDMA2_CONFIG = 0x0000; + +} + +void bfin_EMAC_setup_addr(bd_t *bd) +{ + *pEMAC_ADDRLO = + bd->bi_enetaddr[0] | + bd->bi_enetaddr[1] << 8 | + bd->bi_enetaddr[2] << 16 | + bd->bi_enetaddr[3] << 24; + *pEMAC_ADDRHI = + bd->bi_enetaddr[4] | + bd->bi_enetaddr[5] << 8; +} + +static void PollMdcDone(void) +{ + /* poll the STABUSY bit */ + while (*pEMAC_STAADD & STABUSY) ; +} + +static void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data) +{ + PollMdcDone(); + + *pEMAC_STADAT = Data; + + *pEMAC_STAADD = SET_PHYAD(PHYAddr) | SET_REGAD(RegAddr) | + STAOP | STAIE | STABUSY; +} + +/********************************************************************************* + * Read an off-chip register in a PHY through the MDC/MDIO port * + *********************************************************************************/ +static u16 RdPHYReg(u16 PHYAddr, u16 RegAddr) +{ + u16 Data; + + PollMdcDone(); + + *pEMAC_STAADD = SET_PHYAD(PHYAddr) | SET_REGAD(RegAddr) | + STAIE | STABUSY; + + PollMdcDone(); + + Data = (u16) * pEMAC_STADAT; + + PHYregs[RegAddr] = Data; /* save shadow copy */ + + return Data; +} + +#if 0 /* dead code ? */ +static void SoftResetPHY(void) +{ + u16 phydat; + /* set the reset bit */ + WrPHYReg(PHYADDR, PHY_MODECTL, PHY_RESET); + /* and clear it again */ + WrPHYReg(PHYADDR, PHY_MODECTL, 0x0000); + do { + /* poll until reset is complete */ + phydat = RdPHYReg(PHYADDR, PHY_MODECTL); + } while ((phydat & PHY_RESET) != 0); +} +#endif + +static int SetupSystemRegs(int *opmode) +{ + u16 sysctl, phydat; + int count = 0; + /* Enable PHY output */ + *pVR_CTL |= CLKBUFOE; + /* Set all the pins to peripheral mode */ + +#ifndef CONFIG_BFIN_MAC_RMII + *pPORTH_FER = 0xFFFF; +#ifdef __ADSPBF52x__ + *pPORTH_MUX = PORT_x_MUX_0_FUNC_2 | PORT_x_MUX_1_FUNC_2 | PORT_x_MUX_2_FUNC_2; +#endif +#else +#if defined(__ADSPBF536__) || defined(__ADSPBF537__) + *pPORTH_FER = 0xC373; +#endif +#ifdef __ADSPBF52x__ + *pPORTH_FER = 0x01FF; + *pPORTH_MUX = PORT_x_MUX_0_FUNC_2 | PORT_x_MUX_1_FUNC_2; +#endif +#endif + /* MDC = 2.5 MHz */ + sysctl = SET_MDCDIV(24); + /* Odd word alignment for Receive Frame DMA word */ + /* Configure checksum support and rcve frame word alignment */ + sysctl |= RXDWA | RXCKS; + *pEMAC_SYSCTL = sysctl; + /* auto negotiation on */ + /* full duplex */ + /* 100 Mbps */ + phydat = PHY_ANEG_EN | PHY_DUPLEX | PHY_SPD_SET; + WrPHYReg(PHYADDR, PHY_MODECTL, phydat); + do { + udelay(1000); + phydat = RdPHYReg(PHYADDR, PHY_MODESTAT); + if (count > 3000) { + printf + ("Link is down, please check your network connection\n"); + return -1; + } + count++; + } while (!(phydat & 0x0004)); + + phydat = RdPHYReg(PHYADDR, PHY_ANLPAR); + + if ((phydat & 0x0100) || (phydat & 0x0040)) + *opmode = FDMODE; + else + *opmode = 0; + + *pEMAC_MMC_CTL = RSTC | CROLL; + + /* Initialize the TX DMA channel registers */ + *pDMA2_X_COUNT = 0; + *pDMA2_X_MODIFY = 4; + *pDMA2_Y_COUNT = 0; + *pDMA2_Y_MODIFY = 0; + + /* Initialize the RX DMA channel registers */ + *pDMA1_X_COUNT = 0; + *pDMA1_X_MODIFY = 4; + *pDMA1_Y_COUNT = 0; + *pDMA1_Y_MODIFY = 0; + return 0; +} + +ADI_ETHER_BUFFER *SetupRxBuffer(int no) +{ + ADI_ETHER_FRAME_BUFFER *frmbuf; + ADI_ETHER_BUFFER *buf; + int nobytes_buffer = sizeof(ADI_ETHER_BUFFER[2]) / 2; /* ensure a multi. of 4 */ + int total_size = nobytes_buffer + RECV_BUFSIZE; + + buf = (ADI_ETHER_BUFFER *) (RXBUF_BASE_ADDR + no * total_size); + frmbuf = + (ADI_ETHER_FRAME_BUFFER *) (RXBUF_BASE_ADDR + no * total_size + + nobytes_buffer); + + memset(buf, 0x00, nobytes_buffer); + buf->FrmData = frmbuf; + memset(frmbuf, 0xfe, RECV_BUFSIZE); + + /* set up first desc to point to receive frame buffer */ + buf->Dma[0].NEXT_DESC_PTR = &(buf->Dma[1]); + buf->Dma[0].START_ADDR = (u32) buf->FrmData; + buf->Dma[0].CONFIG.b_DMA_EN = 1; /* enabled */ + buf->Dma[0].CONFIG.b_WNR = 1; /* Write to memory */ + buf->Dma[0].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ + buf->Dma[0].CONFIG.b_NDSIZE = 5; /* 5 half words is desc size. */ + buf->Dma[0].CONFIG.b_FLOW = 7; /* large desc flow */ + + /* set up second desc to point to status word */ + buf->Dma[1].NEXT_DESC_PTR = &(buf->Dma[0]); + buf->Dma[1].START_ADDR = (u32) & buf->IPHdrChksum; + buf->Dma[1].CONFIG.b_DMA_EN = 1; /* enabled */ + buf->Dma[1].CONFIG.b_WNR = 1; /* Write to memory */ + buf->Dma[1].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ + buf->Dma[1].CONFIG.b_DI_EN = 1; /* enable interrupt */ + buf->Dma[1].CONFIG.b_NDSIZE = 5; /* must be 0 when FLOW is 0 */ + buf->Dma[1].CONFIG.b_FLOW = 7; /* stop */ + + return buf; +} + +ADI_ETHER_BUFFER *SetupTxBuffer(int no) +{ + ADI_ETHER_FRAME_BUFFER *frmbuf; + ADI_ETHER_BUFFER *buf; + int nobytes_buffer = sizeof(ADI_ETHER_BUFFER[2]) / 2; /* ensure a multi. of 4 */ + int total_size = nobytes_buffer + RECV_BUFSIZE; + + buf = (ADI_ETHER_BUFFER *) (TXBUF_BASE_ADDR + no * total_size); + frmbuf = + (ADI_ETHER_FRAME_BUFFER *) (TXBUF_BASE_ADDR + no * total_size + + nobytes_buffer); + + memset(buf, 0x00, nobytes_buffer); + buf->FrmData = frmbuf; + memset(frmbuf, 0x00, RECV_BUFSIZE); + + /* set up first desc to point to receive frame buffer */ + buf->Dma[0].NEXT_DESC_PTR = &(buf->Dma[1]); + buf->Dma[0].START_ADDR = (u32) buf->FrmData; + buf->Dma[0].CONFIG.b_DMA_EN = 1; /* enabled */ + buf->Dma[0].CONFIG.b_WNR = 0; /* Read to memory */ + buf->Dma[0].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ + buf->Dma[0].CONFIG.b_NDSIZE = 5; /* 5 half words is desc size. */ + buf->Dma[0].CONFIG.b_FLOW = 7; /* large desc flow */ + + /* set up second desc to point to status word */ + buf->Dma[1].NEXT_DESC_PTR = &(buf->Dma[0]); + buf->Dma[1].START_ADDR = (u32) & buf->StatusWord; + buf->Dma[1].CONFIG.b_DMA_EN = 1; /* enabled */ + buf->Dma[1].CONFIG.b_WNR = 1; /* Write to memory */ + buf->Dma[1].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ + buf->Dma[1].CONFIG.b_DI_EN = 1; /* enable interrupt */ + buf->Dma[1].CONFIG.b_NDSIZE = 0; /* must be 0 when FLOW is 0 */ + buf->Dma[1].CONFIG.b_FLOW = 0; /* stop */ + + return buf; +} + +#if defined(CONFIG_POST) && defined(CFG_POST_ETHER) +int ether_post_test(int flags) +{ + uchar buf[64]; + int i, value = 0; + int length; + + printf("\n--------"); + bfin_EMAC_init(NULL, NULL); + /* construct the package */ + buf[0] = buf[6] = (unsigned char)(*pEMAC_ADDRLO & 0xFF); + buf[1] = buf[7] = (unsigned char)((*pEMAC_ADDRLO & 0xFF00) >> 8); + buf[2] = buf[8] = (unsigned char)((*pEMAC_ADDRLO & 0xFF0000) >> 16); + buf[3] = buf[9] = (unsigned char)((*pEMAC_ADDRLO & 0xFF000000) >> 24); + buf[4] = buf[10] = (unsigned char)(*pEMAC_ADDRHI & 0xFF); + buf[5] = buf[11] = (unsigned char)((*pEMAC_ADDRHI & 0xFF00) >> 8); + buf[12] = 0x08; /* Type: ARP */ + buf[13] = 0x06; + buf[14] = 0x00; /* Hardware type: Ethernet */ + buf[15] = 0x01; + buf[16] = 0x08; /* Protocal type: IP */ + buf[17] = 0x00; + buf[18] = 0x06; /* Hardware size */ + buf[19] = 0x04; /* Protocol size */ + buf[20] = 0x00; /* Opcode: request */ + buf[21] = 0x01; + + for (i = 0; i < 42; i++) + buf[i + 22] = i; + printf("--------Send 64 bytes......\n"); + bfin_EMAC_send(NULL, (volatile void *)buf, 64); + for (i = 0; i < 100; i++) { + udelay(10000); + if ((rxbuf[rxIdx]->StatusWord & RX_COMP) != 0) { + value = 1; + break; + } + } + if (value == 0) { + printf("--------EMAC can't receive any data\n"); + eth_halt(); + return -1; + } + length = rxbuf[rxIdx]->StatusWord & 0x000007FF - 4; + for (i = 0; i < length; i++) { + if (rxbuf[rxIdx]->FrmData->Dest[i] != buf[i]) { + printf("--------EMAC receive error data!\n"); + eth_halt(); + return -1; + } + } + printf("--------receive %d bytes, matched\n", length); + bfin_EMAC_halt(NULL); + return 0; +} +#endif diff --git a/drivers/net/bfin_mac.h b/drivers/net/bfin_mac.h new file mode 100644 index 0000000..c8a94d0 --- /dev/null +++ b/drivers/net/bfin_mac.h @@ -0,0 +1,89 @@ +/* + * bfin_mac.h - some defines/structures for the Blackfin on-chip MAC. + * + * Copyright (c) 2005-2008 Analog Device, Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __BFIN_MAC_H__ +#define __BFIN_MAC_H__ + +#define PHYADDR 0x01 +#define NO_PHY_REGS 0x20 + +#define DEFAULT_PHY_PHYID1 0x0007 +#define DEFAULT_PHY_PHYID2 0xC0A3 +#define PHY_MODECTL 0x00 +#define PHY_MODESTAT 0x01 +#define PHY_PHYID1 0x02 +#define PHY_PHYID2 0x03 +#define PHY_ANAR 0x04 +#define PHY_ANLPAR 0x05 +#define PHY_ANER 0x06 + +#define PHY_RESET 0x8000 +#define PHY_ANEG_EN 0x1000 +#define PHY_DUPLEX 0x0100 +#define PHY_SPD_SET 0x2000 + +#define RECV_BUFSIZE (0x614) + +typedef volatile u32 reg32; +typedef volatile u16 reg16; + +typedef struct ADI_DMA_CONFIG_REG { + u16 b_DMA_EN:1; /* 0 Enabled */ + u16 b_WNR:1; /* 1 Direction */ + u16 b_WDSIZE:2; /* 2:3 Transfer word size */ + u16 b_DMA2D:1; /* 4 DMA mode */ + u16 b_RESTART:1; /* 5 Retain FIFO */ + u16 b_DI_SEL:1; /* 6 Data interrupt timing select */ + u16 b_DI_EN:1; /* 7 Data interrupt enabled */ + u16 b_NDSIZE:4; /* 8:11 Flex descriptor size */ + u16 b_FLOW:3; /* 12:14Flow */ +} ADI_DMA_CONFIG_REG; + +typedef struct adi_ether_frame_buffer { + u16 NoBytes; /* the no. of following bytes */ + u8 Dest[6]; /* destination MAC address */ + u8 Srce[6]; /* source MAC address */ + u16 LTfield; /* length/type field */ + u8 Data[0]; /* payload bytes */ +} ADI_ETHER_FRAME_BUFFER; +/* 16 bytes/struct */ + +typedef struct dma_descriptor { + struct dma_descriptor *NEXT_DESC_PTR; + u32 START_ADDR; + ADI_DMA_CONFIG_REG CONFIG; +} DMA_DESCRIPTOR; +/* 10 bytes/struct in 12 bytes */ + +typedef struct adi_ether_buffer { + DMA_DESCRIPTOR Dma[2]; /* first for the frame, second for the status */ + ADI_ETHER_FRAME_BUFFER *FrmData;/* pointer to data */ + struct adi_ether_buffer *pNext; /* next buffer */ + struct adi_ether_buffer *pPrev; /* prev buffer */ + u16 IPHdrChksum; /* the IP header checksum */ + u16 IPPayloadChksum; /* the IP header and payload checksum */ + volatile u32 StatusWord; /* the frame status word */ +} ADI_ETHER_BUFFER; +/* 40 bytes/struct in 44 bytes */ + +static ADI_ETHER_BUFFER *SetupRxBuffer(int no); +static ADI_ETHER_BUFFER *SetupTxBuffer(int no); + +static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd); +static void bfin_EMAC_halt(struct eth_device *dev); +static int bfin_EMAC_send(struct eth_device *dev, volatile void *packet, int length); +static int bfin_EMAC_recv(struct eth_device *dev); + +static void PollMdcDone(void); +static void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data); +static u16 RdPHYReg(u16 PHYAddr, u16 RegAddr); +static int SetupSystemRegs(int *opmode); + +static void bfin_EMAC_setup_addr(bd_t *bd); + +#endif diff --git a/drivers/net/ne2000.c b/drivers/net/ne2000.c index b100657..abf910c 100644 --- a/drivers/net/ne2000.c +++ b/drivers/net/ne2000.c @@ -80,27 +80,11 @@ Add SNMP #include <net.h> #include <malloc.h> -#ifdef CONFIG_DRIVER_NE2000 - -/* wor around udelay resetting OCR */ -static void my_udelay(long us) { - long tmo; - - tmo = get_timer (0) + us * CFG_HZ / 1000000; /* will this be much greater than 0 ? */ - while (get_timer (0) < tmo); -} - -#define mdelay(n) my_udelay((n)*1000) - +#define mdelay(n) udelay((n)*1000) /* forward definition of function used for the uboot interface */ void uboot_push_packet_len(int len); void uboot_push_tx_done(int key, int val); -/* timeout for tx/rx in s */ -#define TOUT 5 - -#define ETHER_ADDR_LEN 6 - /* ------------------------------------------------------------------------ Debugging details @@ -118,17 +102,22 @@ void uboot_push_tx_done(int key, int val); #if DEBUG & 1 #define DEBUG_FUNCTION() do { printf("%s\n", __FUNCTION__); } while (0) #define DEBUG_LINE() do { printf("%d\n", __LINE__); } while (0) +#define PRINTK(args...) printf(args) #else #define DEBUG_FUNCTION() do {} while(0) #define DEBUG_LINE() do {} while(0) +#define PRINTK(args...) #endif -#include "ne2000.h" +/* NE2000 base header file */ +#include "ne2000_base.h" -#if DEBUG & 1 -#define PRINTK(args...) printf(args) +#if defined(CONFIG_DRIVER_AX88796L) +/* AX88796L support */ +#include "ax88796.h" #else -#define PRINTK(args...) +/* Basic NE2000 chip support */ +#include "ne2000.h" #endif static dp83902a_priv_data_t nic; /* just one instance of the card supported */ @@ -137,8 +126,7 @@ static bool dp83902a_init(void) { dp83902a_priv_data_t *dp = &nic; - cyg_uint8* base; - int i; + u8* base; DEBUG_FUNCTION(); @@ -147,6 +135,8 @@ dp83902a_init(void) DEBUG_LINE(); +#if defined(NE2000_BASIC_INIT) + /* AX88796L doesn't need */ /* Prepare ESA */ DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1); /* Select page 1 */ /* Use the address from the serial EEPROM */ @@ -163,6 +153,7 @@ dp83902a_init(void) dp->esa[4], dp->esa[5] ); +#endif /* NE2000_BASIC_INIT */ return true; } @@ -170,7 +161,7 @@ static void dp83902a_stop(void) { dp83902a_priv_data_t *dp = &nic; - cyg_uint8 *base = dp->base; + u8 *base = dp->base; DEBUG_FUNCTION(); @@ -188,10 +179,10 @@ dp83902a_stop(void) the hardware ready to send/receive packets. */ static void -dp83902a_start(unsigned char * enaddr) +dp83902a_start(u8 * enaddr) { dp83902a_priv_data_t *dp = &nic; - cyg_uint8 *base = dp->base; + u8 *base = dp->base; int i; DEBUG_FUNCTION(); @@ -206,15 +197,20 @@ dp83902a_start(unsigned char * enaddr) dp->tx1 = dp->tx2 = 0; dp->tx_next = dp->tx_buf1; dp->tx_started = false; + dp->running = true; DP_OUT(base, DP_PSTART, dp->rx_buf_start); /* Receive ring start page */ DP_OUT(base, DP_BNDRY, dp->rx_buf_end-1); /* Receive ring boundary */ DP_OUT(base, DP_PSTOP, dp->rx_buf_end); /* Receive ring end page */ dp->rx_next = dp->rx_buf_start-1; + dp->running = true; DP_OUT(base, DP_ISR, 0xFF); /* Clear any pending interrupts */ DP_OUT(base, DP_IMR, DP_IMR_All); /* Enable all interrupts */ DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1 | DP_CR_STOP); /* Select page 1 */ DP_OUT(base, DP_P1_CURP, dp->rx_buf_start); /* Current page - next free page for Rx */ + dp->running = true; for (i = 0; i < ETHER_ADDR_LEN; i++) { + /* FIXME */ + //*((vu_short*)( base + ((DP_P1_PAR0 + i) * 2) + 0x1400)) = enaddr[i]; DP_OUT(base, DP_P1_PAR0+i, enaddr[i]); } /* Enable and start device */ @@ -222,6 +218,7 @@ dp83902a_start(unsigned char * enaddr) DP_OUT(base, DP_TCR, DP_TCR_NORMAL); /* Normal transmit operations */ DP_OUT(base, DP_RCR, DP_RCR_AB); /* Accept broadcast, no errors, no multicast */ dp->running = true; + } /* @@ -234,7 +231,7 @@ static void dp83902a_start_xmit(int start_page, int len) { dp83902a_priv_data_t *dp = (dp83902a_priv_data_t *) &nic; - cyg_uint8 *base = dp->base; + u8 *base = dp->base; DEBUG_FUNCTION(); @@ -259,10 +256,10 @@ dp83902a_start_xmit(int start_page, int len) that there is free buffer space (dp->tx_next). */ static void -dp83902a_send(unsigned char *data, int total_len, unsigned long key) +dp83902a_send(u8 *data, int total_len, u32 key) { struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic; - cyg_uint8 *base = dp->base; + u8 *base = dp->base; int len, start_page, pkt_len, i, isr; #if DEBUG & 4 int dx; @@ -296,7 +293,7 @@ dp83902a_send(unsigned char *data, int total_len, unsigned long key) /* but the code is extended a bit to do what Hitachi's monitor */ /* does (i.e., also read data). */ - cyg_uint16 tmp; + u16 tmp; int len = 1; DP_OUT(base, DP_RSAL, 0x100-len); @@ -322,7 +319,7 @@ dp83902a_send(unsigned char *data, int total_len, unsigned long key) /* Put data into buffer */ #if DEBUG & 4 - printf(" sg buf %08lx len %08x\n ", (unsigned long) data, len); + printf(" sg buf %08lx len %08x\n ", (u32)data, len); dx = 0; #endif while (len > 0) { @@ -330,6 +327,7 @@ dp83902a_send(unsigned char *data, int total_len, unsigned long key) printf(" %02x", *data); if (0 == (++dx % 16)) printf("\n "); #endif + DP_OUT_DATA(dp->data, *data++); len--; } @@ -358,6 +356,7 @@ dp83902a_send(unsigned char *data, int total_len, unsigned long key) do { DP_IN(base, DP_ISR, isr); } while ((isr & DP_ISR_RDC) == 0); + /* Then disable DMA */ DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_START); @@ -383,9 +382,9 @@ static void dp83902a_RxEvent(void) { struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic; - cyg_uint8 *base = dp->base; - unsigned char rsr; - unsigned char rcv_hdr[4]; + u8 *base = dp->base; + u8 rsr; + u8 rcv_hdr[4]; int i, len, pkt, cur; DEBUG_FUNCTION(); @@ -423,6 +422,7 @@ dp83902a_RxEvent(void) CYGACC_CALL_IF_DELAY_US(10); #endif + /* read header (get data size)*/ for (i = 0; i < sizeof(rcv_hdr);) { DP_IN_DATA(dp->data, rcv_hdr[i++]); } @@ -432,7 +432,10 @@ dp83902a_RxEvent(void) rcv_hdr[0], rcv_hdr[1], rcv_hdr[2], rcv_hdr[3]); #endif len = ((rcv_hdr[3] << 8) | rcv_hdr[2]) - sizeof(rcv_hdr); + + /* data read */ uboot_push_packet_len(len); + if (rcv_hdr[1] == dp->rx_buf_start) DP_OUT(base, DP_BNDRY, dp->rx_buf_end-1); else @@ -448,12 +451,12 @@ dp83902a_RxEvent(void) efficient processing in the upper layers of the stack. */ static void -dp83902a_recv(unsigned char *data, int len) +dp83902a_recv(u8 *data, int len) { struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic; - cyg_uint8 *base = dp->base; + u8 *base = dp->base; int i, mlen; - cyg_uint8 saved_char = 0; + u8 saved_char = 0; bool saved; #if DEBUG & 4 int dx; @@ -482,7 +485,7 @@ dp83902a_recv(unsigned char *data, int len) if (data) { mlen = len; #if DEBUG & 4 - printf(" sg buf %08lx len %08x \n", (unsigned long) data, mlen); + printf(" sg buf %08lx len %08x \n", (u32) data, mlen); dx = 0; #endif while (0 < mlen) { @@ -495,7 +498,7 @@ dp83902a_recv(unsigned char *data, int len) } { - cyg_uint8 tmp; + u8 tmp; DP_IN_DATA(dp->data, tmp); #if DEBUG & 4 printf(" %02x", tmp); @@ -516,9 +519,9 @@ static void dp83902a_TxEvent(void) { struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic; - cyg_uint8 *base = dp->base; - unsigned char tsr; - unsigned long key; + u8 *base = dp->base; + u8 tsr; + u32 key; DEBUG_FUNCTION(); @@ -551,8 +554,8 @@ static void dp83902a_ClearCounters(void) { struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic; - cyg_uint8 *base = dp->base; - cyg_uint8 cnt1, cnt2, cnt3; + u8 *base = dp->base; + u8 cnt1, cnt2, cnt3; DP_IN(base, DP_FER, cnt1); DP_IN(base, DP_CER, cnt2); @@ -566,8 +569,8 @@ static void dp83902a_Overflow(void) { struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *)&nic; - cyg_uint8 *base = dp->base; - cyg_uint8 isr; + u8 *base = dp->base; + u8 isr; /* Issue a stop command and wait 1.6ms for it to complete. */ DP_OUT(base, DP_CR, DP_CR_STOP | DP_CR_NODMA); @@ -603,8 +606,8 @@ static void dp83902a_poll(void) { struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic; - cyg_uint8 *base = dp->base; - unsigned char isr; + u8 *base = dp->base; + u8 isr; DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0 | DP_CR_START); DP_IN(base, DP_ISR, isr); @@ -642,13 +645,13 @@ dp83902a_poll(void) /* find prom (taken from pc_net_cs.c from Linux) */ #include "8390.h" - +/* typedef struct hw_info_t { u_int offset; u_char a0, a1, a2; u_int flags; } hw_info_t; - +*/ #define DELAY_OUTPUT 0x01 #define HAS_MISC_REG 0x02 #define USE_BIG_BUF 0x04 @@ -731,102 +734,17 @@ static hw_info_t hw_info[] = { static hw_info_t default_info = { 0, 0, 0, 0, 0 }; -unsigned char dev_addr[6]; +u8 dev_addr[6]; #define PCNET_CMD 0x00 #define PCNET_DATAPORT 0x10 /* NatSemi-defined port window offset. */ #define PCNET_RESET 0x1f /* Issue a read to reset, a write to clear. */ #define PCNET_MISC 0x18 /* For IBM CCAE and Socket EA cards */ -unsigned long nic_base; - -static void pcnet_reset_8390(void) -{ - int i, r; - - PRINTK("nic base is %lx\n", nic_base); - - n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); - PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD)); - n2k_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, E8390_CMD); - PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD)); - n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); - PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD)); - n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); - - n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET); - - for (i = 0; i < 100; i++) { - if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0) - break; - PRINTK("got %x in reset\n", r); - my_udelay(100); - } - n2k_outb(ENISR_RESET, EN0_ISR); /* Ack intr. */ - - if (i == 100) - printf("pcnet_reset_8390() did not complete.\n"); -} /* pcnet_reset_8390 */ - -static hw_info_t * get_prom(void ) { - unsigned char prom[32]; - int i, j; - struct { - u_char value, offset; - } program_seq[] = { - {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/ - {0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */ - {0x00, EN0_RCNTLO}, /* Clear the count regs. */ - {0x00, EN0_RCNTHI}, - {0x00, EN0_IMR}, /* Mask completion irq. */ - {0xFF, EN0_ISR}, - {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */ - {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */ - {32, EN0_RCNTLO}, - {0x00, EN0_RCNTHI}, - {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */ - {0x00, EN0_RSARHI}, - {E8390_RREAD+E8390_START, E8390_CMD}, - }; - - PRINTK("trying to get MAC via prom reading\n"); - - pcnet_reset_8390(); - - mdelay(10); - - for (i = 0; i < sizeof(program_seq)/sizeof(program_seq[0]); i++) - n2k_outb(program_seq[i].value, program_seq[i].offset); - - PRINTK("PROM:"); - for (i = 0; i < 32; i++) { - prom[i] = n2k_inb(PCNET_DATAPORT); - PRINTK(" %02x", prom[i]); - } - PRINTK("\n"); - for (i = 0; i < NR_INFO; i++) { - if ((prom[0] == hw_info[i].a0) && - (prom[2] == hw_info[i].a1) && - (prom[4] == hw_info[i].a2)) { - PRINTK("matched board %d\n", i); - break; - } - } - if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) { - for (j = 0; j < 6; j++) - dev_addr[j] = prom[j<<1]; - PRINTK("on exit i is %d/%ld\n", i, NR_INFO); - PRINTK("MAC address is %02x:%02x:%02x:%02x:%02x:%02x\n", - dev_addr[0],dev_addr[1],dev_addr[2],dev_addr[3],dev_addr[4],dev_addr[5]); - return (i < NR_INFO) ? hw_info+i : &default_info; - } - return NULL; -} +u32 nic_base; /* U-boot specific routines */ - - -static unsigned char *pbuf = NULL; +static u8 *pbuf = NULL; static int pkey = -1; static int initialized=0; @@ -839,7 +757,7 @@ void uboot_push_packet_len(int len) { } dp83902a_recv(&pbuf[0], len); - /* Just pass it to the upper layer */ + /*Just pass it to the upper layer*/ NetReceive(&pbuf[0], len); } @@ -864,7 +782,7 @@ int eth_init(bd_t *bd) { #ifdef CONFIG_DRIVER_NE2000_CCR { - volatile unsigned char *p = (volatile unsigned char *) CONFIG_DRIVER_NE2000_CCR; + vu_char *p = (vu_char *) CONFIG_DRIVER_NE2000_CCR; PRINTK("CCR before is %x\n", *p); *p = CONFIG_DRIVER_NE2000_VAL; @@ -873,9 +791,9 @@ int eth_init(bd_t *bd) { #endif nic_base = CONFIG_DRIVER_NE2000_BASE; - nic.base = (cyg_uint8 *) CONFIG_DRIVER_NE2000_BASE; + nic.base = (u8 *) CONFIG_DRIVER_NE2000_BASE; - r = get_prom(); + r = get_prom(dev_addr); if (!r) return -1; @@ -886,22 +804,23 @@ int eth_init(bd_t *bd) { PRINTK("Set environment from HW MAC addr = \"%s\"\n", ethaddr); setenv ("ethaddr", ethaddr); - -#define DP_DATA 0x10 nic.data = nic.base + DP_DATA; - nic.tx_buf1 = 0x40; - nic.tx_buf2 = 0x48; - nic.rx_buf_start = 0x50; - nic.rx_buf_end = 0x80; + nic.tx_buf1 = START_PG; + nic.tx_buf2 = START_PG2; + nic.rx_buf_start = RX_START; + nic.rx_buf_end = RX_END; if (dp83902a_init() == false) return -1; + dp83902a_start(dev_addr); initialized=1; + return 0; } void eth_halt() { + PRINTK("### eth_halt\n"); if(initialized) dp83902a_stop(); @@ -920,7 +839,7 @@ int eth_send(volatile void *packet, int length) { pkey = -1; - dp83902a_send((unsigned char *) packet, length, 666); + dp83902a_send((u8 *) packet, length, 666); tmo = get_timer (0) + TOUT * CFG_HZ; while(1) { dp83902a_poll(); @@ -936,4 +855,3 @@ int eth_send(volatile void *packet, int length) { } return 0; } -#endif diff --git a/drivers/net/ne2000.h b/drivers/net/ne2000.h index c13d9f0..06e9a28 100644 --- a/drivers/net/ne2000.h +++ b/drivers/net/ne2000.h @@ -71,209 +71,113 @@ are GPL, so this is, of course, GPL. */ /* - ------------------------------------------------------------------------ - Macros for accessing DP registers - These can be overridden by the platform header -*/ - -#define DP_IN(_b_, _o_, _d_) (_d_) = *( (volatile unsigned char *) ((_b_)+(_o_))) -#define DP_OUT(_b_, _o_, _d_) *( (volatile unsigned char *) ((_b_)+(_o_))) = (_d_) - -#define DP_IN_DATA(_b_, _d_) (_d_) = *( (volatile unsigned char *) ((_b_))) -#define DP_OUT_DATA(_b_, _d_) *( (volatile unsigned char *) ((_b_))) = (_d_) - - -/* here is all the data */ - -#define cyg_uint8 unsigned char -#define cyg_uint16 unsigned short -#define bool int - -#define false 0 -#define true 1 - -#define CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA 1 -#define CYGACC_CALL_IF_DELAY_US(X) my_udelay(X) - -typedef struct dp83902a_priv_data { - cyg_uint8* base; - cyg_uint8* data; - cyg_uint8* reset; - int tx_next; /* First free Tx page */ - int tx_int; /* Expecting interrupt from this buffer */ - int rx_next; /* First free Rx page */ - int tx1, tx2; /* Page numbers for Tx buffers */ - unsigned long tx1_key, tx2_key; /* Used to ack when packet sent */ - int tx1_len, tx2_len; - bool tx_started, running, hardwired_esa; - cyg_uint8 esa[6]; - void* plf_priv; - - /* Buffer allocation */ - int tx_buf1, tx_buf2; - int rx_buf_start, rx_buf_end; -} dp83902a_priv_data_t; - -/* - ------------------------------------------------------------------------ - Some forward declarations -*/ -static void dp83902a_poll(void); - -/* ------------------------------------------------------------------------ */ -/* Register offsets */ - -#define DP_CR 0x00 -#define DP_CLDA0 0x01 -#define DP_PSTART 0x01 /* write */ -#define DP_CLDA1 0x02 -#define DP_PSTOP 0x02 /* write */ -#define DP_BNDRY 0x03 -#define DP_TSR 0x04 -#define DP_TPSR 0x04 /* write */ -#define DP_NCR 0x05 -#define DP_TBCL 0x05 /* write */ -#define DP_FIFO 0x06 -#define DP_TBCH 0x06 /* write */ -#define DP_ISR 0x07 -#define DP_CRDA0 0x08 -#define DP_RSAL 0x08 /* write */ -#define DP_CRDA1 0x09 -#define DP_RSAH 0x09 /* write */ -#define DP_RBCL 0x0a /* write */ -#define DP_RBCH 0x0b /* write */ -#define DP_RSR 0x0c -#define DP_RCR 0x0c /* write */ -#define DP_FER 0x0d -#define DP_TCR 0x0d /* write */ -#define DP_CER 0x0e -#define DP_DCR 0x0e /* write */ -#define DP_MISSED 0x0f -#define DP_IMR 0x0f /* write */ -#define DP_DATAPORT 0x10 /* "eprom" data port */ - -#define DP_P1_CR 0x00 -#define DP_P1_PAR0 0x01 -#define DP_P1_PAR1 0x02 -#define DP_P1_PAR2 0x03 -#define DP_P1_PAR3 0x04 -#define DP_P1_PAR4 0x05 -#define DP_P1_PAR5 0x06 -#define DP_P1_CURP 0x07 -#define DP_P1_MAR0 0x08 -#define DP_P1_MAR1 0x09 -#define DP_P1_MAR2 0x0a -#define DP_P1_MAR3 0x0b -#define DP_P1_MAR4 0x0c -#define DP_P1_MAR5 0x0d -#define DP_P1_MAR6 0x0e -#define DP_P1_MAR7 0x0f - -#define DP_P2_CR 0x00 -#define DP_P2_PSTART 0x01 -#define DP_P2_CLDA0 0x01 /* write */ -#define DP_P2_PSTOP 0x02 -#define DP_P2_CLDA1 0x02 /* write */ -#define DP_P2_RNPP 0x03 -#define DP_P2_TPSR 0x04 -#define DP_P2_LNPP 0x05 -#define DP_P2_ACH 0x06 -#define DP_P2_ACL 0x07 -#define DP_P2_RCR 0x0c -#define DP_P2_TCR 0x0d -#define DP_P2_DCR 0x0e -#define DP_P2_IMR 0x0f - -/* Command register - common to all pages */ - -#define DP_CR_STOP 0x01 /* Stop: software reset */ -#define DP_CR_START 0x02 /* Start: initialize device */ -#define DP_CR_TXPKT 0x04 /* Transmit packet */ -#define DP_CR_RDMA 0x08 /* Read DMA (recv data from device) */ -#define DP_CR_WDMA 0x10 /* Write DMA (send data to device) */ -#define DP_CR_SEND 0x18 /* Send packet */ -#define DP_CR_NODMA 0x20 /* Remote (or no) DMA */ -#define DP_CR_PAGE0 0x00 /* Page select */ -#define DP_CR_PAGE1 0x40 -#define DP_CR_PAGE2 0x80 -#define DP_CR_PAGEMSK 0x3F /* Used to mask out page bits */ - -/* Data configuration register */ - -#define DP_DCR_WTS 0x01 /* 1=16 bit word transfers */ -#define DP_DCR_BOS 0x02 /* 1=Little Endian */ -#define DP_DCR_LAS 0x04 /* 1=Single 32 bit DMA mode */ -#define DP_DCR_LS 0x08 /* 1=normal mode, 0=loopback */ -#define DP_DCR_ARM 0x10 /* 0=no send command (program I/O) */ -#define DP_DCR_FIFO_1 0x00 /* FIFO threshold */ -#define DP_DCR_FIFO_2 0x20 -#define DP_DCR_FIFO_4 0x40 -#define DP_DCR_FIFO_6 0x60 - -#define DP_DCR_INIT (DP_DCR_LS|DP_DCR_FIFO_4) - -/* Interrupt status register */ - -#define DP_ISR_RxP 0x01 /* Packet received */ -#define DP_ISR_TxP 0x02 /* Packet transmitted */ -#define DP_ISR_RxE 0x04 /* Receive error */ -#define DP_ISR_TxE 0x08 /* Transmit error */ -#define DP_ISR_OFLW 0x10 /* Receive overflow */ -#define DP_ISR_CNT 0x20 /* Tally counters need emptying */ -#define DP_ISR_RDC 0x40 /* Remote DMA complete */ -#define DP_ISR_RESET 0x80 /* Device has reset (shutdown, error) */ - -/* Interrupt mask register */ - -#define DP_IMR_RxP 0x01 /* Packet received */ -#define DP_IMR_TxP 0x02 /* Packet transmitted */ -#define DP_IMR_RxE 0x04 /* Receive error */ -#define DP_IMR_TxE 0x08 /* Transmit error */ -#define DP_IMR_OFLW 0x10 /* Receive overflow */ -#define DP_IMR_CNT 0x20 /* Tall counters need emptying */ -#define DP_IMR_RDC 0x40 /* Remote DMA complete */ - -#define DP_IMR_All 0x3F /* Everything but remote DMA */ - -/* Receiver control register */ - -#define DP_RCR_SEP 0x01 /* Save bad(error) packets */ -#define DP_RCR_AR 0x02 /* Accept runt packets */ -#define DP_RCR_AB 0x04 /* Accept broadcast packets */ -#define DP_RCR_AM 0x08 /* Accept multicast packets */ -#define DP_RCR_PROM 0x10 /* Promiscuous mode */ -#define DP_RCR_MON 0x20 /* Monitor mode - 1=accept no packets */ - -/* Receiver status register */ - -#define DP_RSR_RxP 0x01 /* Packet received */ -#define DP_RSR_CRC 0x02 /* CRC error */ -#define DP_RSR_FRAME 0x04 /* Framing error */ -#define DP_RSR_FO 0x08 /* FIFO overrun */ -#define DP_RSR_MISS 0x10 /* Missed packet */ -#define DP_RSR_PHY 0x20 /* 0=pad match, 1=mad match */ -#define DP_RSR_DIS 0x40 /* Receiver disabled */ -#define DP_RSR_DFR 0x80 /* Receiver processing deferred */ - -/* Transmitter control register */ - -#define DP_TCR_NOCRC 0x01 /* 1=inhibit CRC */ -#define DP_TCR_NORMAL 0x00 /* Normal transmitter operation */ -#define DP_TCR_LOCAL 0x02 /* Internal NIC loopback */ -#define DP_TCR_INLOOP 0x04 /* Full internal loopback */ -#define DP_TCR_OUTLOOP 0x08 /* External loopback */ -#define DP_TCR_ATD 0x10 /* Auto transmit disable */ -#define DP_TCR_OFFSET 0x20 /* Collision offset adjust */ - -/* Transmit status register */ - -#define DP_TSR_TxP 0x01 /* Packet transmitted */ -#define DP_TSR_COL 0x04 /* Collision (at least one) */ -#define DP_TSR_ABT 0x08 /* Aborted because of too many collisions */ -#define DP_TSR_CRS 0x10 /* Lost carrier */ -#define DP_TSR_FU 0x20 /* FIFO underrun */ -#define DP_TSR_CDH 0x40 /* Collision Detect Heartbeat */ -#define DP_TSR_OWC 0x80 /* Collision outside normal window */ - -#define IEEE_8023_MAX_FRAME 1518 /* Largest possible ethernet frame */ -#define IEEE_8023_MIN_FRAME 64 /* Smallest possible ethernet frame */ + * NE2000 support header file. + * Created by Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + */ + +#ifndef __DRIVERS_NE2000_H__ +#define __DRIVERS_NE2000_H__ + +/* Enable NE2000 basic init function */ +#define NE2000_BASIC_INIT + +#define DP_DATA 0x10 +#define START_PG 0x50 /* First page of TX buffer */ +#define STOP_PG 0x80 /* Last page +1 of RX ring */ + +#define RX_START 0x50 +#define RX_END 0x80 + +#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_char *) ((_b_)+(_o_))) +#define DP_OUT(_b_, _o_, _d_) *( (vu_char *) ((_b_)+(_o_))) = (_d_) +#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_char *) ((_b_))) +#define DP_OUT_DATA(_b_, _d_) *( (vu_char *) ((_b_))) = (_d_) + +static void pcnet_reset_8390(void) +{ + int i, r; + + PRINTK("nic base is %lx\n", nic_base); + + n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); + PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD)); + n2k_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, E8390_CMD); + PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD)); + n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); + PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD)); + n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); + + n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET); + + for (i = 0; i < 100; i++) { + if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0) + break; + PRINTK("got %x in reset\n", r); + udelay(100); + } + n2k_outb(ENISR_RESET, EN0_ISR); /* Ack intr. */ + + if (i == 100) + printf("pcnet_reset_8390() did not complete.\n"); +} /* pcnet_reset_8390 */ + +int get_prom(u8* mac_addr) +{ + u8 prom[32]; + int i, j; + struct { + u_char value, offset; + } program_seq[] = { + {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/ + {0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */ + {0x00, EN0_RCNTLO}, /* Clear the count regs. */ + {0x00, EN0_RCNTHI}, + {0x00, EN0_IMR}, /* Mask completion irq. */ + {0xFF, EN0_ISR}, + {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */ + {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */ + {32, EN0_RCNTLO}, + {0x00, EN0_RCNTHI}, + {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */ + {0x00, EN0_RSARHI}, + {E8390_RREAD+E8390_START, E8390_CMD}, + }; + + PRINTK("trying to get MAC via prom reading\n"); + + pcnet_reset_8390(); + + mdelay(10); + + for (i = 0; i < sizeof(program_seq)/sizeof(program_seq[0]); i++) + n2k_outb(program_seq[i].value, program_seq[i].offset); + + PRINTK("PROM:"); + for (i = 0; i < 32; i++) { + prom[i] = n2k_inb(PCNET_DATAPORT); + PRINTK(" %02x", prom[i]); + } + PRINTK("\n"); + for (i = 0; i < NR_INFO; i++) { + if ((prom[0] == hw_info[i].a0) && + (prom[2] == hw_info[i].a1) && + (prom[4] == hw_info[i].a2)) { + PRINTK("matched board %d\n", i); + break; + } + } + if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) { + PRINTK("on exit i is %d/%ld\n", i, NR_INFO); + PRINTK("MAC address is "); + for (j = 0; j < 6; j++){ + mac_addr[j] = prom[j<<1]; + PRINTK("%02x:",mac_addr[i]); + } + PRINTK("\n"); + return (i < NR_INFO) ? i : 0; + } + return NULL; +} + + +#endif /* __DRIVERS_NE2000_H__ */ diff --git a/drivers/net/ne2000_base.h b/drivers/net/ne2000_base.h new file mode 100644 index 0000000..1badf62 --- /dev/null +++ b/drivers/net/ne2000_base.h @@ -0,0 +1,282 @@ +/* +Ported to U-Boot by Christian Pellegrin <chri@ascensit.com> + +Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and +eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world +are GPL, so this is, of course, GPL. + + +========================================================================== + + dev/dp83902a.h + + National Semiconductor DP83902a ethernet chip + +========================================================================== +####ECOSGPLCOPYRIGHTBEGIN#### + ------------------------------------------- + This file is part of eCos, the Embedded Configurable Operating System. + Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. + + eCos 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 or (at your option) any later version. + + eCos 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 eCos; if not, write to the Free Software Foundation, Inc., + 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + + As a special exception, if other files instantiate templates or use macros + or inline functions from this file, or you compile this file and link it + with other works to produce a work based on this file, this file does not + by itself cause the resulting work to be covered by the GNU General Public + License. However the source code for this file must still be made available + in accordance with section (3) of the GNU General Public License. + + This exception does not invalidate any other reasons why a work based on + this file might be covered by the GNU General Public License. + + Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. + at http://sources.redhat.com/ecos/ecos-license/ + ------------------------------------------- +####ECOSGPLCOPYRIGHTEND#### +####BSDCOPYRIGHTBEGIN#### + + ------------------------------------------- + + Portions of this software may have been derived from OpenBSD or other sources, + and are covered by the appropriate copyright disclaimers included herein. + + ------------------------------------------- + +####BSDCOPYRIGHTEND#### +========================================================================== +#####DESCRIPTIONBEGIN#### + + Author(s): gthomas + Contributors: gthomas, jskov + Date: 2001-06-13 + Purpose: + Description: + +####DESCRIPTIONEND#### + +========================================================================== + +*/ + +/* + ------------------------------------------------------------------------ + Macros for accessing DP registers + These can be overridden by the platform header +*/ + +#define bool int + +#define false 0 +#define true 1 + +/* timeout for tx/rx in s */ +#define TOUT 5 +/* Ether MAC address size */ +#define ETHER_ADDR_LEN 6 + + +#define CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA 1 +#define CYGACC_CALL_IF_DELAY_US(X) udelay(X) + +/* H/W infomation struct */ +typedef struct hw_info_t { + u32 offset; + u8 a0, a1, a2; + u32 flags; +} hw_info_t; + +typedef struct dp83902a_priv_data { + u8* base; + u8* data; + u8* reset; + int tx_next; /* First free Tx page */ + int tx_int; /* Expecting interrupt from this buffer */ + int rx_next; /* First free Rx page */ + int tx1, tx2; /* Page numbers for Tx buffers */ + u32 tx1_key, tx2_key; /* Used to ack when packet sent */ + int tx1_len, tx2_len; + bool tx_started, running, hardwired_esa; + u8 esa[6]; + void* plf_priv; + + /* Buffer allocation */ + int tx_buf1, tx_buf2; + int rx_buf_start, rx_buf_end; +} dp83902a_priv_data_t; + +/* + ------------------------------------------------------------------------ + Some forward declarations +*/ +int get_prom( u8* mac_addr); +static void dp83902a_poll(void); + +/* ------------------------------------------------------------------------ */ +/* Register offsets */ + +#define DP_CR 0x00 +#define DP_CLDA0 0x01 +#define DP_PSTART 0x01 /* write */ +#define DP_CLDA1 0x02 +#define DP_PSTOP 0x02 /* write */ +#define DP_BNDRY 0x03 +#define DP_TSR 0x04 +#define DP_TPSR 0x04 /* write */ +#define DP_NCR 0x05 +#define DP_TBCL 0x05 /* write */ +#define DP_FIFO 0x06 +#define DP_TBCH 0x06 /* write */ +#define DP_ISR 0x07 +#define DP_CRDA0 0x08 +#define DP_RSAL 0x08 /* write */ +#define DP_CRDA1 0x09 +#define DP_RSAH 0x09 /* write */ +#define DP_RBCL 0x0a /* write */ +#define DP_RBCH 0x0b /* write */ +#define DP_RSR 0x0c +#define DP_RCR 0x0c /* write */ +#define DP_FER 0x0d +#define DP_TCR 0x0d /* write */ +#define DP_CER 0x0e +#define DP_DCR 0x0e /* write */ +#define DP_MISSED 0x0f +#define DP_IMR 0x0f /* write */ +#define DP_DATAPORT 0x10 /* "eprom" data port */ + +#define DP_P1_CR 0x00 +#define DP_P1_PAR0 0x01 +#define DP_P1_PAR1 0x02 +#define DP_P1_PAR2 0x03 +#define DP_P1_PAR3 0x04 +#define DP_P1_PAR4 0x05 +#define DP_P1_PAR5 0x06 +#define DP_P1_CURP 0x07 +#define DP_P1_MAR0 0x08 +#define DP_P1_MAR1 0x09 +#define DP_P1_MAR2 0x0a +#define DP_P1_MAR3 0x0b +#define DP_P1_MAR4 0x0c +#define DP_P1_MAR5 0x0d +#define DP_P1_MAR6 0x0e +#define DP_P1_MAR7 0x0f + +#define DP_P2_CR 0x00 +#define DP_P2_PSTART 0x01 +#define DP_P2_CLDA0 0x01 /* write */ +#define DP_P2_PSTOP 0x02 +#define DP_P2_CLDA1 0x02 /* write */ +#define DP_P2_RNPP 0x03 +#define DP_P2_TPSR 0x04 +#define DP_P2_LNPP 0x05 +#define DP_P2_ACH 0x06 +#define DP_P2_ACL 0x07 +#define DP_P2_RCR 0x0c +#define DP_P2_TCR 0x0d +#define DP_P2_DCR 0x0e +#define DP_P2_IMR 0x0f + +/* Command register - common to all pages */ + +#define DP_CR_STOP 0x01 /* Stop: software reset */ +#define DP_CR_START 0x02 /* Start: initialize device */ +#define DP_CR_TXPKT 0x04 /* Transmit packet */ +#define DP_CR_RDMA 0x08 /* Read DMA (recv data from device) */ +#define DP_CR_WDMA 0x10 /* Write DMA (send data to device) */ +#define DP_CR_SEND 0x18 /* Send packet */ +#define DP_CR_NODMA 0x20 /* Remote (or no) DMA */ +#define DP_CR_PAGE0 0x00 /* Page select */ +#define DP_CR_PAGE1 0x40 +#define DP_CR_PAGE2 0x80 +#define DP_CR_PAGEMSK 0x3F /* Used to mask out page bits */ + +/* Data configuration register */ + +#define DP_DCR_WTS 0x01 /* 1=16 bit word transfers */ +#define DP_DCR_BOS 0x02 /* 1=Little Endian */ +#define DP_DCR_LAS 0x04 /* 1=Single 32 bit DMA mode */ +#define DP_DCR_LS 0x08 /* 1=normal mode, 0=loopback */ +#define DP_DCR_ARM 0x10 /* 0=no send command (program I/O) */ +#define DP_DCR_FIFO_1 0x00 /* FIFO threshold */ +#define DP_DCR_FIFO_2 0x20 +#define DP_DCR_FIFO_4 0x40 +#define DP_DCR_FIFO_6 0x60 + +#define DP_DCR_INIT (DP_DCR_LS|DP_DCR_FIFO_4) + +/* Interrupt status register */ + +#define DP_ISR_RxP 0x01 /* Packet received */ +#define DP_ISR_TxP 0x02 /* Packet transmitted */ +#define DP_ISR_RxE 0x04 /* Receive error */ +#define DP_ISR_TxE 0x08 /* Transmit error */ +#define DP_ISR_OFLW 0x10 /* Receive overflow */ +#define DP_ISR_CNT 0x20 /* Tally counters need emptying */ +#define DP_ISR_RDC 0x40 /* Remote DMA complete */ +#define DP_ISR_RESET 0x80 /* Device has reset (shutdown, error) */ + +/* Interrupt mask register */ + +#define DP_IMR_RxP 0x01 /* Packet received */ +#define DP_IMR_TxP 0x02 /* Packet transmitted */ +#define DP_IMR_RxE 0x04 /* Receive error */ +#define DP_IMR_TxE 0x08 /* Transmit error */ +#define DP_IMR_OFLW 0x10 /* Receive overflow */ +#define DP_IMR_CNT 0x20 /* Tall counters need emptying */ +#define DP_IMR_RDC 0x40 /* Remote DMA complete */ + +#define DP_IMR_All 0x3F /* Everything but remote DMA */ + +/* Receiver control register */ + +#define DP_RCR_SEP 0x01 /* Save bad(error) packets */ +#define DP_RCR_AR 0x02 /* Accept runt packets */ +#define DP_RCR_AB 0x04 /* Accept broadcast packets */ +#define DP_RCR_AM 0x08 /* Accept multicast packets */ +#define DP_RCR_PROM 0x10 /* Promiscuous mode */ +#define DP_RCR_MON 0x20 /* Monitor mode - 1=accept no packets */ + +/* Receiver status register */ + +#define DP_RSR_RxP 0x01 /* Packet received */ +#define DP_RSR_CRC 0x02 /* CRC error */ +#define DP_RSR_FRAME 0x04 /* Framing error */ +#define DP_RSR_FO 0x08 /* FIFO overrun */ +#define DP_RSR_MISS 0x10 /* Missed packet */ +#define DP_RSR_PHY 0x20 /* 0=pad match, 1=mad match */ +#define DP_RSR_DIS 0x40 /* Receiver disabled */ +#define DP_RSR_DFR 0x80 /* Receiver processing deferred */ + +/* Transmitter control register */ + +#define DP_TCR_NOCRC 0x01 /* 1=inhibit CRC */ +#define DP_TCR_NORMAL 0x00 /* Normal transmitter operation */ +#define DP_TCR_LOCAL 0x02 /* Internal NIC loopback */ +#define DP_TCR_INLOOP 0x04 /* Full internal loopback */ +#define DP_TCR_OUTLOOP 0x08 /* External loopback */ +#define DP_TCR_ATD 0x10 /* Auto transmit disable */ +#define DP_TCR_OFFSET 0x20 /* Collision offset adjust */ + +/* Transmit status register */ + +#define DP_TSR_TxP 0x01 /* Packet transmitted */ +#define DP_TSR_COL 0x04 /* Collision (at least one) */ +#define DP_TSR_ABT 0x08 /* Aborted because of too many collisions */ +#define DP_TSR_CRS 0x10 /* Lost carrier */ +#define DP_TSR_FU 0x20 /* FIFO underrun */ +#define DP_TSR_CDH 0x40 /* Collision Detect Heartbeat */ +#define DP_TSR_OWC 0x80 /* Collision outside normal window */ + +#define IEEE_8023_MAX_FRAME 1518 /* Largest possible ethernet frame */ +#define IEEE_8023_MIN_FRAME 64 /* Smallest possible ethernet frame */ diff --git a/drivers/net/smc91111.h b/drivers/net/smc91111.h index d03cbc3..8dcbb3e 100644 --- a/drivers/net/smc91111.h +++ b/drivers/net/smc91111.h @@ -186,7 +186,7 @@ typedef unsigned long int dword; #ifdef CONFIG_ADNPESC1 #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+((r)<<1)))) #elif CONFIG_BLACKFIN -#define SMC_inw(r) ({ word __v = (*((volatile word *)(SMC_BASE_ADDRESS+(r)))); asm("ssync;"); __v;}) +#define SMC_inw(r) ({ word __v = (*((volatile word *)(SMC_BASE_ADDRESS+(r)))); SSYNC(); __v;}) #else #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r)))) #endif @@ -195,7 +195,7 @@ typedef unsigned long int dword; #ifdef CONFIG_ADNPESC1 #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+((r)<<1))) = d) #elif CONFIG_BLACKFIN -#define SMC_outw(d,r) {(*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d);asm("ssync;");} +#define SMC_outw(d,r) {(*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d); SSYNC();} #else #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d) #endif |