diff options
Diffstat (limited to 'board/eltec/bab7xx/misc.c')
| -rw-r--r-- | board/eltec/bab7xx/misc.c | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/board/eltec/bab7xx/misc.c b/board/eltec/bab7xx/misc.c new file mode 100644 index 0000000..1b4376d --- /dev/null +++ b/board/eltec/bab7xx/misc.c @@ -0,0 +1,547 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling <fgottschling@eltec.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +/* includes */ +#include <common.h> +#include <linux/ctype.h> +#include <pci.h> +#include <net.h> +#include <mpc106.h> +#include <w83c553f.h> +#include "srom.h" + +/* imports */ +extern char console_buffer[CFG_CBSIZE]; +extern int l2_cache_enable (int l2control); +extern void *nvram_read (void *dest, const short src, size_t count); +extern void nvram_write (short dest, const void *src, size_t count); + +/* globals */ +unsigned int ata_reset_time = 60; +unsigned int scsi_reset_time = 10; +unsigned int eltec_board; + +/* BAB750 uses SYM53C875(default) and BAB740 uses SYM53C860 + * values fixed after board identification + */ +unsigned short scsi_dev_id = PCI_DEVICE_ID_NCR_53C875; +unsigned int scsi_max_scsi_id = 15; +unsigned char scsi_sym53c8xx_ccf = 0x13; + +/*----------------------------------------------------------------------------*/ +/* + * handle sroms on BAB740/750 + * fix ether address + * L2 cache initialization + * ide dma control + */ +int misc_init_r (void) +{ + revinfo eerev; + u_char *ptr; + u_int i, l, initSrom, copyNv; + char buf[256]; + char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, + 0, 0, 0, 0, 10, 11, 12, 13, 14, 15 }; + pci_dev_t bdf; + + char sromSYM[] = { +#ifdef TULIP_BUG + /* 10BaseT, 100BaseTx no full duplex modes */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08, + 0x02, 0x86, 0x02, 0x00, 0xaf, 0x08, 0xa5, 0x00, + 0x88, 0x04, 0x03, 0x27, 0x08, 0x25, 0x00, 0x61, + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xe8 +#endif + /* 10BaseT, 10BaseT-FD, 100BaseTx, 100BaseTx-FD */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08, + 0x04, 0x86, 0x02, 0x00, 0xaf, 0x08, 0xa5, 0x00, + 0x86, 0x02, 0x04, 0xaf, 0x08, 0xa5, 0x00, 0x88, + 0x04, 0x03, 0x27, 0x08, 0x25, 0x00, 0x61, 0x80, + 0x88, 0x04, 0x05, 0x27, 0x08, 0x25, 0x00, 0x61, + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x77 + }; + + char sromMII[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x5b, 0x00, + 0x2e, 0x4d, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08, + 0x01, 0x95, 0x03, 0x00, 0x00, 0x04, 0x01, 0x08, + 0x00, 0x00, 0x02, 0x08, 0x02, 0x00, 0x00, 0x78, + 0xe0, 0x01, 0x00, 0x50, 0x00, 0x18, 0x80, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0x41 + }; + + /* + * Check/Remake revision info + */ + initSrom = 0; + copyNv = 0; + + /* read out current revision srom contens */ + el_srom_load (0x0000, (u_char*)&eerev, sizeof(revinfo), + SECOND_DEVICE, FIRST_BLOCK); + + /* read out current nvram shadow image */ + nvram_read (buf, CFG_NV_SROM_COPY_ADDR, CFG_SROM_SIZE); + + if (strcmp (eerev.magic, "ELTEC") != 0) + { + /* srom is not initialized -> create a default revision info */ + for (i = 0, ptr = (u_char *)&eerev; i < sizeof(revinfo); i++) + *ptr++ = 0x00; + strcpy(eerev.magic, "ELTEC"); + eerev.revrev[0] = 1; + eerev.revrev[1] = 0; + eerev.size = 0x00E0; + eerev.category[0] = 0x01; + + /* node id from dead e128 as default */ + eerev.etheraddr[0] = 0x00; + eerev.etheraddr[1] = 0x00; + eerev.etheraddr[2] = 0x5B; + eerev.etheraddr[3] = 0x00; + eerev.etheraddr[4] = 0x2E; + eerev.etheraddr[5] = 0x4D; + + /* cache config word for bab750 */ + *(int*)&eerev.res[0] = CLK2P0TO1_1MB_PB_0P5DH; + + initSrom = 1; /* force dialog */ + copyNv = 1; /* copy to nvram */ + } + + if ((copyNv == 0) && (el_srom_checksum((u_char*)&eerev, CFG_SROM_SIZE) != + el_srom_checksum((u_char*)buf, CFG_SROM_SIZE))) + { + printf ("Invalid revision info copy in nvram !\n"); + printf ("Press key:\n <c> to copy current revision info to nvram.\n"); + printf (" <r> to reenter revision info.\n"); + printf ("=> "); + if (0 != readline (NULL)) + { + switch ((char)toupper(console_buffer[0])) + { + case 'C': + copyNv = 1; + break; + case 'R': + copyNv = 1; + initSrom = 1; + break; + } + } + } + + if (initSrom) + { + memcpy (buf, &eerev.revision[0][0], 14); /* save all revision info */ + printf ("Enter revision number (0-9): %c ", eerev.revision[0][0]); + if (0 != readline (NULL)) + { + eerev.revision[0][0] = (char)toupper(console_buffer[0]); + memcpy (&eerev.revision[1][0], buf, 12); /* shift rest of rev info */ + } + + printf ("Enter revision character (A-Z): %c ", eerev.revision[0][1]); + if (1 == readline (NULL)) + { + eerev.revision[0][1] = (char)toupper(console_buffer[0]); + } + + printf ("Enter board name (V-XXXX-XXXX): %s ", (char *)&eerev.board); + if (11 == readline (NULL)) + { + for (i=0; i<11; i++) + eerev.board[i] = (char)toupper(console_buffer[i]); + eerev.board[11] = '\0'; + } + + printf ("Enter serial number: %s ", (char *)&eerev.serial ); + if (6 == readline (NULL)) + { + for (i=0; i<6; i++) + eerev.serial[i] = console_buffer[i]; + eerev.serial[6] = '\0'; + } + + printf ("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ", + eerev.etheraddr[0], eerev.etheraddr[1], + eerev.etheraddr[2], eerev.etheraddr[3], + eerev.etheraddr[4], eerev.etheraddr[5]); + if (12 == readline (NULL)) + { + for (i=0; i<12; i+=2) + eerev.etheraddr[i>>1] = (char)(16*hex[toupper(console_buffer[i])-'0'] + + hex[toupper(console_buffer[i+1])-'0']); + } + + l = strlen ((char *)&eerev.text); + printf("Add to text section (max 64 chr): %s ", (char *)&eerev.text ); + if (0 != readline (NULL)) + { + for (i = l; i<63; i++) + eerev.text[i] = console_buffer[i-l]; + eerev.text[63] = '\0'; + } + + if (strstr ((char *)&eerev.board, "75") != NULL) + eltec_board = 750; + else + eltec_board = 740; + + if (eltec_board == 750) + { + if (CPU_TYPE == CPU_TYPE_750) + *(int*)&eerev.res[0] = CLK2P0TO1_1MB_PB_0P5DH; + else + *(int*)&eerev.res[0] = CLK2P5TO1_1MB_PB_0P5DH; + + printf("Enter L2Cache config word with leading zero (HEX): %08X ", + *(int*)&eerev.res[0] ); + if (0 != readline (NULL)) + { + for (i=0; i<7; i+=2) + { + eerev.res[i>>1] = + (char)(16*hex[toupper(console_buffer[i])-'0'] + + hex[toupper(console_buffer[i+1])-'0']); + } + } + + /* prepare network eeprom */ + sromMII[20] = eerev.etheraddr[0]; + sromMII[21] = eerev.etheraddr[1]; + sromMII[22] = eerev.etheraddr[2]; + sromMII[23] = eerev.etheraddr[3]; + sromMII[24] = eerev.etheraddr[4]; + sromMII[25] = eerev.etheraddr[5]; + printf("\nSRom: Writing DEC21143 MII info .. "); + + if (dc_srom_store ((u_short *)sromMII) == -1) + printf("FAILED\n"); + else + printf("OK\n"); + } + + if (eltec_board == 740) + { + *(int *)&eerev.res[0] = 0; + sromSYM[20] = eerev.etheraddr[0]; + sromSYM[21] = eerev.etheraddr[1]; + sromSYM[22] = eerev.etheraddr[2]; + sromSYM[23] = eerev.etheraddr[3]; + sromSYM[24] = eerev.etheraddr[4]; + sromSYM[25] = eerev.etheraddr[5]; + printf("\nSRom: Writing DEC21143 SYM info .. "); + + if (dc_srom_store ((u_short *)sromSYM) == -1) + printf("FAILED\n"); + else + printf("OK\n"); + } + + /* update CRC */ + eerev.crc = el_srom_checksum((u_char *)eerev.board, eerev.size); + + /* write new values */ + printf("\nSRom: Writing revision info ...... "); + if (el_srom_store((BLOCK_SIZE-sizeof(revinfo)), (u_char *)&eerev, + sizeof(revinfo), SECOND_DEVICE, FIRST_BLOCK) == -1) + printf("FAILED\n\n"); + else + printf("OK\n\n"); + + /* write new values as shadow image to nvram */ + nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE); + + } /*if (initSrom) */ + + /* copy current values as shadow image to nvram */ + if (initSrom == 0 && copyNv == 1) + nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE); + + /* update environment */ + sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x", + eerev.etheraddr[0], eerev.etheraddr[1], + eerev.etheraddr[2], eerev.etheraddr[3], + eerev.etheraddr[4], eerev.etheraddr[5]); + setenv ("ethaddr", buf); + + /* print actual board identification */ + printf("Ident: %s Ser %s Rev %c%c\n", + eerev.board, (char *)&eerev.serial, + eerev.revision[0][0], eerev.revision[0][1]); + + /* global board ident */ + if (strstr ((char *)&eerev.board, "75") != NULL) + eltec_board = 750; + else + eltec_board = 740; + + /* + * L2 cache configuration + */ +#if defined(CFG_L2_BAB7xx) + ptr = getenv("l2cache"); + if (*ptr == '0') + { + printf ("Cache: L2 NOT activated on BAB%d\n", eltec_board); + } + else + { + printf ("Cache: L2 activated on BAB%d\n", eltec_board); + l2_cache_enable(*(int*)&eerev.res[0]); + } +#endif + + /* + * Reconfig ata reset timeout from environment + */ + if ((ptr = getenv ("ata_reset_time")) != NULL) + { + ata_reset_time = (int)simple_strtoul (ptr, NULL, 10); + } + else + { + sprintf (buf, "%d", ata_reset_time); + setenv ("ata_reset_time", buf); + } + + /* + * Reconfig scsi reset timeout from environment + */ + if ((ptr = getenv ("scsi_reset_time")) != NULL) + { + scsi_reset_time = (int)simple_strtoul (ptr, NULL, 10); + } + else + { + sprintf (buf, "%d", scsi_reset_time); + setenv ("scsi_reset_time", buf); + } + + + if ((bdf = pci_find_device(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_83C553, 0)) > 0) + { + if (pci_find_device(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C860, 0) > 0) + { + /* BAB740 with SCSI=IRQ 11; SCC=IRQ 9; no IDE; NCR860 at 80 Mhz */ + scsi_dev_id = PCI_DEVICE_ID_NCR_53C860; + scsi_max_scsi_id = 7; + scsi_sym53c8xx_ccf = 0x15; + pci_write_config_byte (bdf, WINBOND_IDEIRCR, 0xb0); + } + + if ((ptr = getenv ("ide_dma_off")) != NULL) + { + u_long dma_off = simple_strtoul (ptr, NULL, 10); + /* + * setup user defined registers + * s.a. linux/drivers/ide/sl82c105.c + */ + bdf |= PCI_BDF(0,0,1); /* ide user reg at bdf function 1 */ + if (dma_off & 1) + { + pci_write_config_byte (bdf, 0x46, 1); + printf("IDE: DMA off flag set: Bus 0 : Dev 0\n"); + } + if (dma_off & 2) + { + pci_write_config_byte (bdf, 0x4a, 1); + printf("IDE: DMA off flag set: Bus 0 : Dev 1\n"); + } + if (dma_off & 4) + { + pci_write_config_byte (bdf, 0x4e, 1); + printf("IDE: DMA off flag set: Bus 1 : Dev 0\n"); + } + if (dma_off & 8) + { + pci_write_config_byte (bdf, 0x52, 1); + printf("IDE: DMA off flag set: Bus 1 : Dev 1\n"); + } + } + } + return (0); +} + +/*----------------------------------------------------------------------------*/ +/* + * BAB740 uses KENDIN KS8761 modem chip with not common setup values + */ +#ifdef CONFIG_TULIP_SELECT_MEDIA + +/* Register bits. + */ +#define BMR_SWR 0x00000001 /* Software Reset */ +#define STS_TS 0x00700000 /* Transmit Process State */ +#define STS_RS 0x000e0000 /* Receive Process State */ +#define OMR_ST 0x00002000 /* Start/Stop Transmission Command */ +#define OMR_SR 0x00000002 /* Start/Stop Receive */ +#define OMR_PS 0x00040000 /* Port Select */ +#define OMR_SDP 0x02000000 /* SD Polarity - MUST BE ASSERTED */ +#define OMR_PM 0x00000080 /* Pass All Multicast */ +#define OMR_PR 0x00000040 /* Promiscuous Mode */ +#define OMR_PCS 0x00800000 /* PCS Function */ +#define OMR_TTM 0x00400000 /* Transmit Threshold Mode */ + +/* Ethernet chip registers. + */ +#define DE4X5_BMR 0x000 /* Bus Mode Register */ +#define DE4X5_TPD 0x008 /* Transmit Poll Demand Reg */ +#define DE4X5_RRBA 0x018 /* RX Ring Base Address Reg */ +#define DE4X5_TRBA 0x020 /* TX Ring Base Address Reg */ +#define DE4X5_STS 0x028 /* Status Register */ +#define DE4X5_OMR 0x030 /* Operation Mode Register */ +#define DE4X5_SISR 0x060 /* SIA Status Register */ +#define DE4X5_SICR 0x068 /* SIA Connectivity Register */ +#define DE4X5_TXRX 0x070 /* SIA Transmit and Receive Register */ +#define DE4X5_GPPR 0x078 /* General Purpose Port register */ +#define DE4X5_APROM 0x048 /* Ethernet Address PROM */ + +/*----------------------------------------------------------------------------*/ + +static int INL(struct eth_device* dev, u_long addr) +{ + return le32_to_cpu(*(volatile u_long *)(addr + dev->iobase)); +} + +/*----------------------------------------------------------------------------*/ + +static void OUTL(struct eth_device* dev, int command, u_long addr) +{ + *(volatile u_long *)(addr + dev->iobase) = cpu_to_le32(command); +} + +/*----------------------------------------------------------------------------*/ + +static void media_reg_init ( + struct eth_device* dev, + u32 csr14, + u32 csr15_dir, + u32 csr15_v0, + u32 csr15_v1, + u32 csr6 ) +{ + OUTL(dev, 0, DE4X5_OMR); /* CSR6 */ + udelay(10 * 1000); + OUTL(dev, 0, DE4X5_SICR); /* CSR13 */ + OUTL(dev, 1, DE4X5_SICR); /* CSR13 */ + udelay(10 * 1000); + OUTL(dev, csr14, DE4X5_TXRX); /* CSR14 */ + OUTL(dev, csr15_dir, DE4X5_GPPR); /* CSR15 */ + OUTL(dev, csr15_v0, DE4X5_GPPR); /* CSR15 */ + udelay(10 * 1000); + OUTL(dev, csr15_v1, DE4X5_GPPR); /* CSR15 */ + OUTL(dev, 0x00000301, DE4X5_SISR); /* CSR12 */ + OUTL(dev, csr6, DE4X5_OMR); /* CSR6 */ +} + +/*----------------------------------------------------------------------------*/ + +void dc21x4x_select_media(struct eth_device* dev) +{ + int i, status, ext; + extern unsigned int eltec_board; + + if (eltec_board == 740) + { + printf("SYM media select "); /* BAB740 */ + /* start autoneg. with 10 mbit */ + media_reg_init (dev, 0x3ffff, 0x08af0008, 0x00a10008, 0x00a50008, 0x02400080); + ext = status = 0; + for (i=0; i<2000+ext; i++) + { + status = INL(dev, DE4X5_SISR); + udelay(1000); + if (status & 0x2000) ext = 2000; + if ((status & 0x7000) == 0x5000) break; + } + + /* autoneg. ok -> 100MB FD */ + if ((status & 0x0100f000) == 0x0100d000) + { + media_reg_init (dev, 0x37f7f, 0x08270008, 0x00210008, 0x00250008, 0x03c40280); + printf("100baseTx-FD\n"); + } + /* autoneg. ok -> 100MB HD */ + else if ((status & 0x0080f000) == 0x0080d000) + { + media_reg_init (dev, 0x17f7f, 0x08270008, 0x00210008, 0x00250008, 0x03c40080); + printf("100baseTx\n"); + } + /* autoneg. ok -> 10MB FD */ + else if ((status & 0x0040f000) == 0x0040d000) + { + media_reg_init (dev, 0x07f7f, 0x08af0008, 0x00a10008, 0x00a50008, 0x02400280); + printf("10baseT-FD\n"); + } + /* autoneg. fail -> 10MB HD */ + else + { + media_reg_init (dev, 0x7f7f, 0x08af0008, 0x00a10008, 0x00a50008, + (OMR_SDP | OMR_TTM | OMR_PM)); + printf("10baseT\n"); + } + } + else + { + printf("MII media selected\n"); /* BAB750 */ + OUTL(dev, OMR_SDP | OMR_PS | OMR_PM, DE4X5_OMR); /* CSR6 */ + } +} +#endif /* CONFIG_TULIP_SELECT_MEDIA */ + +/*---------------------------------------------------------------------------*/ |