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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2007-11-21 21:19:24 +0100
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2007-11-25 18:35:17 +0100
commit2439e4bfa111babf4bc07ba20efbf3e36036813e (patch)
tree21e94282acdc681bdde2ccc270bd401254124d00 /drivers/dm9000x.c
parent352d259130b349fe9593b8dada641bd78a9659e5 (diff)
downloadu-boot-2439e4bfa111babf4bc07ba20efbf3e36036813e.zip
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drivers/net : move net drivers to drivers/net
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'drivers/dm9000x.c')
-rw-r--r--drivers/dm9000x.c620
1 files changed, 0 insertions, 620 deletions
diff --git a/drivers/dm9000x.c b/drivers/dm9000x.c
deleted file mode 100644
index 6131b5c..0000000
--- a/drivers/dm9000x.c
+++ /dev/null
@@ -1,620 +0,0 @@
-/*
- dm9000.c: Version 1.2 12/15/2003
-
- A Davicom DM9000 ISA NIC fast Ethernet driver for Linux.
- Copyright (C) 1997 Sten Wang
-
- 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.
-
- (C)Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved.
-
-V0.11 06/20/2001 REG_0A bit3=1, default enable BP with DA match
- 06/22/2001 Support DM9801 progrmming
- E3: R25 = ((R24 + NF) & 0x00ff) | 0xf000
- E4: R25 = ((R24 + NF) & 0x00ff) | 0xc200
- R17 = (R17 & 0xfff0) | NF + 3
- E5: R25 = ((R24 + NF - 3) & 0x00ff) | 0xc200
- R17 = (R17 & 0xfff0) | NF
-
-v1.00 modify by simon 2001.9.5
- change for kernel 2.4.x
-
-v1.1 11/09/2001 fix force mode bug
-
-v1.2 03/18/2003 Weilun Huang <weilun_huang@davicom.com.tw>:
- Fixed phy reset.
- Added tx/rx 32 bit mode.
- Cleaned up for kernel merge.
-
---------------------------------------
-
- 12/15/2003 Initial port to u-boot by Sascha Hauer <saschahauer@web.de>
-
-TODO: Homerun NIC and longrun NIC are not functional, only internal at the
- moment.
-*/
-
-#include <common.h>
-#include <command.h>
-#include <net.h>
-#include <asm/io.h>
-
-#ifdef CONFIG_DRIVER_DM9000
-
-#include "dm9000x.h"
-
-/* Board/System/Debug information/definition ---------------- */
-
-#define DM9801_NOISE_FLOOR 0x08
-#define DM9802_NOISE_FLOOR 0x05
-
-/* #define CONFIG_DM9000_DEBUG */
-
-#ifdef CONFIG_DM9000_DEBUG
-#define DM9000_DBG(fmt,args...) printf(fmt ,##args)
-#else /* */
-#define DM9000_DBG(fmt,args...)
-#endif /* */
-enum DM9000_PHY_mode { DM9000_10MHD = 0, DM9000_100MHD =
- 1, DM9000_10MFD = 4, DM9000_100MFD = 5, DM9000_AUTO =
- 8, DM9000_1M_HPNA = 0x10
-};
-enum DM9000_NIC_TYPE { FASTETHER_NIC = 0, HOMERUN_NIC = 1, LONGRUN_NIC = 2
-};
-
-/* Structure/enum declaration ------------------------------- */
-typedef struct board_info {
- u32 runt_length_counter; /* counter: RX length < 64byte */
- u32 long_length_counter; /* counter: RX length > 1514byte */
- u32 reset_counter; /* counter: RESET */
- u32 reset_tx_timeout; /* RESET caused by TX Timeout */
- u32 reset_rx_status; /* RESET caused by RX Statsus wrong */
- u16 tx_pkt_cnt;
- u16 queue_start_addr;
- u16 dbug_cnt;
- u8 phy_addr;
- u8 device_wait_reset; /* device state */
- u8 nic_type; /* NIC type */
- unsigned char srom[128];
-} board_info_t;
-board_info_t dmfe_info;
-
-/* For module input parameter */
-static int media_mode = DM9000_AUTO;
-static u8 nfloor = 0;
-
-/* function declaration ------------------------------------- */
-int eth_init(bd_t * bd);
-int eth_send(volatile void *, int);
-int eth_rx(void);
-void eth_halt(void);
-static int dm9000_probe(void);
-static u16 phy_read(int);
-static void phy_write(int, u16);
-u16 read_srom_word(int);
-static u8 DM9000_ior(int);
-static void DM9000_iow(int reg, u8 value);
-
-/* DM9000 network board routine ---------------------------- */
-
-#define DM9000_outb(d,r) ( *(volatile u8 *)r = d )
-#define DM9000_outw(d,r) ( *(volatile u16 *)r = d )
-#define DM9000_outl(d,r) ( *(volatile u32 *)r = d )
-#define DM9000_inb(r) (*(volatile u8 *)r)
-#define DM9000_inw(r) (*(volatile u16 *)r)
-#define DM9000_inl(r) (*(volatile u32 *)r)
-
-#ifdef CONFIG_DM9000_DEBUG
-static void
-dump_regs(void)
-{
- DM9000_DBG("\n");
- DM9000_DBG("NCR (0x00): %02x\n", DM9000_ior(0));
- DM9000_DBG("NSR (0x01): %02x\n", DM9000_ior(1));
- DM9000_DBG("TCR (0x02): %02x\n", DM9000_ior(2));
- DM9000_DBG("TSRI (0x03): %02x\n", DM9000_ior(3));
- DM9000_DBG("TSRII (0x04): %02x\n", DM9000_ior(4));
- DM9000_DBG("RCR (0x05): %02x\n", DM9000_ior(5));
- DM9000_DBG("RSR (0x06): %02x\n", DM9000_ior(6));
- DM9000_DBG("ISR (0xFE): %02x\n", DM9000_ior(ISR));
- DM9000_DBG("\n");
-}
-#endif /* */
-
-/*
- Search DM9000 board, allocate space and register it
-*/
-int
-dm9000_probe(void)
-{
- u32 id_val;
- id_val = DM9000_ior(DM9000_VIDL);
- id_val |= DM9000_ior(DM9000_VIDH) << 8;
- id_val |= DM9000_ior(DM9000_PIDL) << 16;
- id_val |= DM9000_ior(DM9000_PIDH) << 24;
- if (id_val == DM9000_ID) {
- printf("dm9000 i/o: 0x%x, id: 0x%x \n", CONFIG_DM9000_BASE,
- id_val);
- return 0;
- } else {
- printf("dm9000 not found at 0x%08x id: 0x%08x\n",
- CONFIG_DM9000_BASE, id_val);
- return -1;
- }
-}
-
-/* Set PHY operationg mode
-*/
-static void
-set_PHY_mode(void)
-{
- u16 phy_reg4 = 0x01e1, phy_reg0 = 0x1000;
- if (!(media_mode & DM9000_AUTO)) {
- switch (media_mode) {
- case DM9000_10MHD:
- phy_reg4 = 0x21;
- phy_reg0 = 0x0000;
- break;
- case DM9000_10MFD:
- phy_reg4 = 0x41;
- phy_reg0 = 0x1100;
- break;
- case DM9000_100MHD:
- phy_reg4 = 0x81;
- phy_reg0 = 0x2000;
- break;
- case DM9000_100MFD:
- phy_reg4 = 0x101;
- phy_reg0 = 0x3100;
- break;
- }
- phy_write(4, phy_reg4); /* Set PHY media mode */
- phy_write(0, phy_reg0); /* Tmp */
- }
- DM9000_iow(DM9000_GPCR, 0x01); /* Let GPIO0 output */
- DM9000_iow(DM9000_GPR, 0x00); /* Enable PHY */
-}
-
-/*
- Init HomeRun DM9801
-*/
-static void
-program_dm9801(u16 HPNA_rev)
-{
- __u16 reg16, reg17, reg24, reg25;
- if (!nfloor)
- nfloor = DM9801_NOISE_FLOOR;
- reg16 = phy_read(16);
- reg17 = phy_read(17);
- reg24 = phy_read(24);
- reg25 = phy_read(25);
- switch (HPNA_rev) {
- case 0xb900: /* DM9801 E3 */
- reg16 |= 0x1000;
- reg25 = ((reg24 + nfloor) & 0x00ff) | 0xf000;
- break;
- case 0xb901: /* DM9801 E4 */
- reg25 = ((reg24 + nfloor) & 0x00ff) | 0xc200;
- reg17 = (reg17 & 0xfff0) + nfloor + 3;
- break;
- case 0xb902: /* DM9801 E5 */
- case 0xb903: /* DM9801 E6 */
- default:
- reg16 |= 0x1000;
- reg25 = ((reg24 + nfloor - 3) & 0x00ff) | 0xc200;
- reg17 = (reg17 & 0xfff0) + nfloor;
- }
- phy_write(16, reg16);
- phy_write(17, reg17);
- phy_write(25, reg25);
-}
-
-/*
- Init LongRun DM9802
-*/
-static void
-program_dm9802(void)
-{
- __u16 reg25;
- if (!nfloor)
- nfloor = DM9802_NOISE_FLOOR;
- reg25 = phy_read(25);
- reg25 = (reg25 & 0xff00) + nfloor;
- phy_write(25, reg25);
-}
-
-/* Identify NIC type
-*/
-static void
-identify_nic(void)
-{
- struct board_info *db = &dmfe_info; /* Point a board information structure */
- u16 phy_reg3;
- DM9000_iow(DM9000_NCR, NCR_EXT_PHY);
- phy_reg3 = phy_read(3);
- switch (phy_reg3 & 0xfff0) {
- case 0xb900:
- if (phy_read(31) == 0x4404) {
- db->nic_type = HOMERUN_NIC;
- program_dm9801(phy_reg3);
- DM9000_DBG("found homerun NIC\n");
- } else {
- db->nic_type = LONGRUN_NIC;
- DM9000_DBG("found longrun NIC\n");
- program_dm9802();
- }
- break;
- default:
- db->nic_type = FASTETHER_NIC;
- break;
- }
- DM9000_iow(DM9000_NCR, 0);
-}
-
-/* General Purpose dm9000 reset routine */
-static void
-dm9000_reset(void)
-{
- DM9000_DBG("resetting\n");
- DM9000_iow(DM9000_NCR, NCR_RST);
- udelay(1000); /* delay 1ms */
-}
-
-/* Initilize dm9000 board
-*/
-int
-eth_init(bd_t * bd)
-{
- int i, oft, lnk;
- DM9000_DBG("eth_init()\n");
-
- /* RESET device */
- dm9000_reset();
- dm9000_probe();
-
- /* NIC Type: FASTETHER, HOMERUN, LONGRUN */
- identify_nic();
-
- /* GPIO0 on pre-activate PHY */
- DM9000_iow(DM9000_GPR, 0x00); /*REG_1F bit0 activate phyxcer */
-
- /* Set PHY */
- set_PHY_mode();
-
- /* Program operating register */
- DM9000_iow(DM9000_NCR, 0x0); /* only intern phy supported by now */
- DM9000_iow(DM9000_TCR, 0); /* TX Polling clear */
- DM9000_iow(DM9000_BPTR, 0x3f); /* Less 3Kb, 200us */
- DM9000_iow(DM9000_FCTR, FCTR_HWOT(3) | FCTR_LWOT(8)); /* Flow Control : High/Low Water */
- DM9000_iow(DM9000_FCR, 0x0); /* SH FIXME: This looks strange! Flow Control */
- DM9000_iow(DM9000_SMCR, 0); /* Special Mode */
- DM9000_iow(DM9000_NSR, NSR_WAKEST | NSR_TX2END | NSR_TX1END); /* clear TX status */
- DM9000_iow(DM9000_ISR, 0x0f); /* Clear interrupt status */
-
- /* Set Node address */
- for (i = 0; i < 6; i++)
- ((u16 *) bd->bi_enetaddr)[i] = read_srom_word(i);
-
- if (is_zero_ether_addr(bd->bi_enetaddr) ||
- is_multicast_ether_addr(bd->bi_enetaddr)) {
- /* try reading from environment */
- u8 i;
- char *s, *e;
- s = getenv ("ethaddr");
- for (i = 0; i < 6; ++i) {
- bd->bi_enetaddr[i] = s ?
- simple_strtoul (s, &e, 16) : 0;
- if (s)
- s = (*e) ? e + 1 : e;
- }
- }
-
- printf("MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", bd->bi_enetaddr[0],
- bd->bi_enetaddr[1], bd->bi_enetaddr[2], bd->bi_enetaddr[3],
- bd->bi_enetaddr[4], bd->bi_enetaddr[5]);
- for (i = 0, oft = 0x10; i < 6; i++, oft++)
- DM9000_iow(oft, bd->bi_enetaddr[i]);
- for (i = 0, oft = 0x16; i < 8; i++, oft++)
- DM9000_iow(oft, 0xff);
-
- /* read back mac, just to be sure */
- for (i = 0, oft = 0x10; i < 6; i++, oft++)
- DM9000_DBG("%02x:", DM9000_ior(oft));
- DM9000_DBG("\n");
-
- /* Activate DM9000 */
- DM9000_iow(DM9000_RCR, RCR_DIS_LONG | RCR_DIS_CRC | RCR_RXEN); /* RX enable */
- DM9000_iow(DM9000_IMR, IMR_PAR); /* Enable TX/RX interrupt mask */
- i = 0;
- while (!(phy_read(1) & 0x20)) { /* autonegation complete bit */
- udelay(1000);
- i++;
- if (i == 10000) {
- printf("could not establish link\n");
- return 0;
- }
- }
-
- /* see what we've got */
- lnk = phy_read(17) >> 12;
- printf("operating at ");
- switch (lnk) {
- case 1:
- printf("10M half duplex ");
- break;
- case 2:
- printf("10M full duplex ");
- break;
- case 4:
- printf("100M half duplex ");
- break;
- case 8:
- printf("100M full duplex ");
- break;
- default:
- printf("unknown: %d ", lnk);
- break;
- }
- printf("mode\n");
- return 0;
-}
-
-/*
- Hardware start transmission.
- Send a packet to media from the upper layer.
-*/
-int
-eth_send(volatile void *packet, int length)
-{
- char *data_ptr;
- u32 tmplen, i;
- int tmo;
- DM9000_DBG("eth_send: length: %d\n", length);
- for (i = 0; i < length; i++) {
- if (i % 8 == 0)
- DM9000_DBG("\nSend: 02x: ", i);
- DM9000_DBG("%02x ", ((unsigned char *) packet)[i]);
- } DM9000_DBG("\n");
-
- /* Move data to DM9000 TX RAM */
- data_ptr = (char *) packet;
- DM9000_outb(DM9000_MWCMD, DM9000_IO);
-
-#ifdef CONFIG_DM9000_USE_8BIT
- /* Byte mode */
- for (i = 0; i < length; i++)
- DM9000_outb((data_ptr[i] & 0xff), DM9000_DATA);
-
-#endif /* */
-#ifdef CONFIG_DM9000_USE_16BIT
- tmplen = (length + 1) / 2;
- for (i = 0; i < tmplen; i++)
- DM9000_outw(((u16 *) data_ptr)[i], DM9000_DATA);
-
-#endif /* */
-#ifdef CONFIG_DM9000_USE_32BIT
- tmplen = (length + 3) / 4;
- for (i = 0; i < tmplen; i++)
- DM9000_outl(((u32 *) data_ptr)[i], DM9000_DATA);
-
-#endif /* */
-
- /* Set TX length to DM9000 */
- DM9000_iow(DM9000_TXPLL, length & 0xff);
- DM9000_iow(DM9000_TXPLH, (length >> 8) & 0xff);
-
- /* Issue TX polling command */
- DM9000_iow(DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */
-
- /* wait for end of transmission */
- tmo = get_timer(0) + 5 * CFG_HZ;
- while (DM9000_ior(DM9000_TCR) & TCR_TXREQ) {
- if (get_timer(0) >= tmo) {
- printf("transmission timeout\n");
- break;
- }
- }
- DM9000_DBG("transmit done\n\n");
- return 0;
-}
-
-/*
- Stop the interface.
- The interface is stopped when it is brought.
-*/
-void
-eth_halt(void)
-{
- DM9000_DBG("eth_halt\n");
-
- /* RESET devie */
- phy_write(0, 0x8000); /* PHY RESET */
- DM9000_iow(DM9000_GPR, 0x01); /* Power-Down PHY */
- DM9000_iow(DM9000_IMR, 0x80); /* Disable all interrupt */
- DM9000_iow(DM9000_RCR, 0x00); /* Disable RX */
-}
-
-/*
- Received a packet and pass to upper layer
-*/
-int
-eth_rx(void)
-{
- u8 rxbyte, *rdptr = (u8 *) NetRxPackets[0];
- u16 RxStatus, RxLen = 0;
- u32 tmplen, i;
-#ifdef CONFIG_DM9000_USE_32BIT
- u32 tmpdata;
-#endif
-
- /* Check packet ready or not */
- DM9000_ior(DM9000_MRCMDX); /* Dummy read */
- rxbyte = DM9000_inb(DM9000_DATA); /* Got most updated data */
- if (rxbyte == 0)
- return 0;
-
- /* Status check: this byte must be 0 or 1 */
- if (rxbyte > 1) {
- DM9000_iow(DM9000_RCR, 0x00); /* Stop Device */
- DM9000_iow(DM9000_ISR, 0x80); /* Stop INT request */
- DM9000_DBG("rx status check: %d\n", rxbyte);
- }
- DM9000_DBG("receiving packet\n");
-
- /* A packet ready now & Get status/length */
- DM9000_outb(DM9000_MRCMD, DM9000_IO);
-
-#ifdef CONFIG_DM9000_USE_8BIT
- RxStatus = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8);
- RxLen = DM9000_inb(DM9000_DATA) + (DM9000_inb(DM9000_DATA) << 8);
-
-#endif /* */
-#ifdef CONFIG_DM9000_USE_16BIT
- RxStatus = DM9000_inw(DM9000_DATA);
- RxLen = DM9000_inw(DM9000_DATA);
-
-#endif /* */
-#ifdef CONFIG_DM9000_USE_32BIT
- tmpdata = DM9000_inl(DM9000_DATA);
- RxStatus = tmpdata;
- RxLen = tmpdata >> 16;
-
-#endif /* */
- DM9000_DBG("rx status: 0x%04x rx len: %d\n", RxStatus, RxLen);
-
- /* Move data from DM9000 */
- /* Read received packet from RX SRAM */
-#ifdef CONFIG_DM9000_USE_8BIT
- for (i = 0; i < RxLen; i++)
- rdptr[i] = DM9000_inb(DM9000_DATA);
-
-#endif /* */
-#ifdef CONFIG_DM9000_USE_16BIT
- tmplen = (RxLen + 1) / 2;
- for (i = 0; i < tmplen; i++)
- ((u16 *) rdptr)[i] = DM9000_inw(DM9000_DATA);
-
-#endif /* */
-#ifdef CONFIG_DM9000_USE_32BIT
- tmplen = (RxLen + 3) / 4;
- for (i = 0; i < tmplen; i++)
- ((u32 *) rdptr)[i] = DM9000_inl(DM9000_DATA);
-
-#endif /* */
- if ((RxStatus & 0xbf00) || (RxLen < 0x40)
- || (RxLen > DM9000_PKT_MAX)) {
- if (RxStatus & 0x100) {
- printf("rx fifo error\n");
- }
- if (RxStatus & 0x200) {
- printf("rx crc error\n");
- }
- if (RxStatus & 0x8000) {
- printf("rx length error\n");
- }
- if (RxLen > DM9000_PKT_MAX) {
- printf("rx length too big\n");
- dm9000_reset();
- }
- } else {
-
- /* Pass to upper layer */
- DM9000_DBG("passing packet to upper layer\n");
- NetReceive(NetRxPackets[0], RxLen);
- return RxLen;
- }
- return 0;
-}
-
-/*
- Read a word data from SROM
-*/
-u16
-read_srom_word(int offset)
-{
- DM9000_iow(DM9000_EPAR, offset);
- DM9000_iow(DM9000_EPCR, 0x4);
- udelay(8000);
- DM9000_iow(DM9000_EPCR, 0x0);
- return (DM9000_ior(DM9000_EPDRL) + (DM9000_ior(DM9000_EPDRH) << 8));
-}
-
-void
-write_srom_word(int offset, u16 val)
-{
- DM9000_iow(DM9000_EPAR, offset);
- DM9000_iow(DM9000_EPDRH, ((val >> 8) & 0xff));
- DM9000_iow(DM9000_EPDRL, (val & 0xff));
- DM9000_iow(DM9000_EPCR, 0x12);
- udelay(8000);
- DM9000_iow(DM9000_EPCR, 0);
-}
-
-
-/*
- Read a byte from I/O port
-*/
-static u8
-DM9000_ior(int reg)
-{
- DM9000_outb(reg, DM9000_IO);
- return DM9000_inb(DM9000_DATA);
-}
-
-/*
- Write a byte to I/O port
-*/
-static void
-DM9000_iow(int reg, u8 value)
-{
- DM9000_outb(reg, DM9000_IO);
- DM9000_outb(value, DM9000_DATA);
-}
-
-/*
- Read a word from phyxcer
-*/
-static u16
-phy_read(int reg)
-{
- u16 val;
-
- /* Fill the phyxcer register into REG_0C */
- DM9000_iow(DM9000_EPAR, DM9000_PHY | reg);
- DM9000_iow(DM9000_EPCR, 0xc); /* Issue phyxcer read command */
- udelay(100); /* Wait read complete */
- DM9000_iow(DM9000_EPCR, 0x0); /* Clear phyxcer read command */
- val = (DM9000_ior(DM9000_EPDRH) << 8) | DM9000_ior(DM9000_EPDRL);
-
- /* The read data keeps on REG_0D & REG_0E */
- DM9000_DBG("phy_read(%d): %d\n", reg, val);
- return val;
-}
-
-/*
- Write a word to phyxcer
-*/
-static void
-phy_write(int reg, u16 value)
-{
-
- /* Fill the phyxcer register into REG_0C */
- DM9000_iow(DM9000_EPAR, DM9000_PHY | reg);
-
- /* Fill the written data into REG_0D & REG_0E */
- DM9000_iow(DM9000_EPDRL, (value & 0xff));
- DM9000_iow(DM9000_EPDRH, ((value >> 8) & 0xff));
- DM9000_iow(DM9000_EPCR, 0xa); /* Issue phyxcer write command */
- udelay(500); /* Wait write complete */
- DM9000_iow(DM9000_EPCR, 0x0); /* Clear phyxcer write command */
- DM9000_DBG("phy_write(reg:%d, value:%d)\n", reg, value);
-}
-#endif /* CONFIG_DRIVER_DM9000 */