| /* |
| * (C) Copyright 2001-2003 |
| * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com |
| * |
| * 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 |
| */ |
| |
| #include <common.h> |
| #include <asm/processor.h> |
| #include <asm/io.h> |
| #include <command.h> |
| #include <malloc.h> |
| #include <net.h> |
| #include <pci.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); /*cmd_boot.c*/ |
| #if 0 |
| #define FPGA_DEBUG |
| #endif |
| |
| /* fpga configuration data - generated by bin2cc */ |
| const unsigned char fpgadata[] = |
| { |
| #ifdef CONFIG_CPCI405_VER2 |
| # ifdef CONFIG_CPCI405AB |
| # include "fpgadata_cpci405ab.c" |
| # else |
| # include "fpgadata_cpci4052.c" |
| # endif |
| #else |
| # include "fpgadata_cpci405.c" |
| #endif |
| }; |
| |
| /* |
| * include common fpga code (for esd boards) |
| */ |
| #include "../common/fpga.c" |
| #include "../common/auto_update.h" |
| |
| #ifdef CONFIG_CPCI405AB |
| au_image_t au_image[] = { |
| {"cpci405ab/preinst.img", 0, -1, AU_SCRIPT}, |
| {"cpci405ab/pImage", 0xffc00000, 0x000c0000, AU_NOR}, |
| {"cpci405ab/pImage.initrd", 0xffcc0000, 0x00300000, AU_NOR}, |
| {"cpci405ab/u-boot.img", 0xfffc0000, 0x00040000, AU_FIRMWARE}, |
| {"cpci405ab/postinst.img", 0, 0, AU_SCRIPT}, |
| }; |
| #else |
| #ifdef CONFIG_CPCI405_VER2 |
| au_image_t au_image[] = { |
| {"cpci4052/preinst.img", 0, -1, AU_SCRIPT}, |
| {"cpci4052/pImage", 0xffc00000, 0x000c0000, AU_NOR}, |
| {"cpci4052/pImage.initrd", 0xffcc0000, 0x00300000, AU_NOR}, |
| {"cpci4052/u-boot.img", 0xfffc0000, 0x00040000, AU_FIRMWARE}, |
| {"cpci4052/postinst.img", 0, 0, AU_SCRIPT}, |
| }; |
| #else |
| au_image_t au_image[] = { |
| {"cpci405/preinst.img", 0, -1, AU_SCRIPT}, |
| {"cpci405/pImage", 0xffc00000, 0x000c0000, AU_NOR}, |
| {"cpci405/pImage.initrd", 0xffcc0000, 0x00310000, AU_NOR}, |
| {"cpci405/u-boot.img", 0xfffd0000, 0x00030000, AU_FIRMWARE}, |
| {"cpci405/postinst.img", 0, 0, AU_SCRIPT}, |
| }; |
| #endif |
| #endif |
| |
| int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0])); |
| |
| /* Prototypes */ |
| int cpci405_version(void); |
| int gunzip(void *, int, unsigned char *, unsigned long *); |
| void lxt971_no_sleep(void); |
| |
| int board_early_init_f (void) |
| { |
| #ifndef CONFIG_CPCI405_VER2 |
| int index, len, i; |
| int status; |
| #endif |
| |
| #ifdef FPGA_DEBUG |
| /* set up serial port with default baudrate */ |
| (void) get_clocks (); |
| gd->baudrate = CONFIG_BAUDRATE; |
| serial_init (); |
| console_init_f(); |
| #endif |
| |
| /* |
| * First pull fpga-prg pin low, to disable fpga logic (on version 2 board) |
| */ |
| out32(GPIO0_ODR, 0x00000000); /* no open drain pins */ |
| out32(GPIO0_TCR, CFG_FPGA_PRG); /* setup for output */ |
| out32(GPIO0_OR, CFG_FPGA_PRG); /* set output pins to high */ |
| out32(GPIO0_OR, 0); /* pull prg low */ |
| |
| /* |
| * Boot onboard FPGA |
| */ |
| #ifndef CONFIG_CPCI405_VER2 |
| if (cpci405_version() == 1) { |
| status = fpga_boot((unsigned char *)fpgadata, sizeof(fpgadata)); |
| if (status != 0) { |
| /* booting FPGA failed */ |
| #ifndef FPGA_DEBUG |
| /* set up serial port with default baudrate */ |
| (void) get_clocks (); |
| gd->baudrate = CONFIG_BAUDRATE; |
| serial_init (); |
| console_init_f(); |
| #endif |
| printf("\nFPGA: Booting failed "); |
| switch (status) { |
| case ERROR_FPGA_PRG_INIT_LOW: |
| printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); |
| break; |
| case ERROR_FPGA_PRG_INIT_HIGH: |
| printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); |
| break; |
| case ERROR_FPGA_PRG_DONE: |
| printf("(Timeout: DONE not high after programming FPGA)\n "); |
| break; |
| } |
| |
| /* display infos on fpgaimage */ |
| index = 15; |
| for (i=0; i<4; i++) { |
| len = fpgadata[index]; |
| printf("FPGA: %s\n", &(fpgadata[index+1])); |
| index += len+3; |
| } |
| putc ('\n'); |
| /* delayed reboot */ |
| for (i=20; i>0; i--) { |
| printf("Rebooting in %2d seconds \r",i); |
| for (index=0;index<1000;index++) |
| udelay(1000); |
| } |
| putc ('\n'); |
| do_reset(NULL, 0, 0, NULL); |
| } |
| } |
| #endif /* !CONFIG_CPCI405_VER2 */ |
| |
| /* |
| * IRQ 0-15 405GP internally generated; active high; level sensitive |
| * IRQ 16 405GP internally generated; active low; level sensitive |
| * IRQ 17-24 RESERVED |
| * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive |
| * IRQ 26 (EXT IRQ 1) CAN1 (+FPGA on CPCI4052) ; active low; level sensitive |
| * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive |
| * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive |
| * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive |
| * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive |
| * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive |
| */ |
| mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ |
| mtdcr(uicer, 0x00000000); /* disable all ints */ |
| mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/ |
| #ifdef CONFIG_CPCI405_6U |
| if (cpci405_version() == 3) { |
| mtdcr(uicpr, 0xFFFFFF99); /* set int polarities */ |
| } else { |
| mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */ |
| } |
| #else |
| mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */ |
| #endif |
| mtdcr(uictr, 0x10000000); /* set int trigger levels */ |
| mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/ |
| mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ |
| |
| return 0; |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| int ctermm2(void) |
| { |
| #ifdef CONFIG_CPCI405_VER2 |
| return 0; /* no, board is cpci405 */ |
| #else |
| if ((*(unsigned char *)0xf0000400 == 0x00) && |
| (*(unsigned char *)0xf0000401 == 0x01)) |
| return 0; /* no, board is cpci405 */ |
| else |
| return -1; /* yes, board is cterm-m2 */ |
| #endif |
| } |
| |
| int cpci405_host(void) |
| { |
| if (mfdcr(strap) & PSR_PCI_ARBIT_EN) |
| return -1; /* yes, board is cpci405 host */ |
| else |
| return 0; /* no, board is cpci405 adapter */ |
| } |
| |
| int cpci405_version(void) |
| { |
| unsigned long cntrl0Reg; |
| unsigned long value; |
| |
| /* |
| * Setup GPIO pins (CS2/GPIO11 and CS3/GPIO12 as GPIO) |
| */ |
| cntrl0Reg = mfdcr(cntrl0); |
| mtdcr(cntrl0, cntrl0Reg | 0x03000000); |
| out_be32((void*)GPIO0_ODR, in_be32((void*)GPIO0_ODR) & ~0x00180000); |
| out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) & ~0x00180000); |
| udelay(1000); /* wait some time before reading input */ |
| value = in_be32((void*)GPIO0_IR) & 0x00180000; /* get config bits */ |
| |
| /* |
| * Restore GPIO settings |
| */ |
| mtdcr(cntrl0, cntrl0Reg); |
| |
| switch (value) { |
| case 0x00180000: |
| /* CS2==1 && CS3==1 -> version 1 */ |
| return 1; |
| case 0x00080000: |
| /* CS2==0 && CS3==1 -> version 2 */ |
| return 2; |
| case 0x00100000: |
| /* CS2==1 && CS3==0 -> version 3 or 6U board */ |
| return 3; |
| case 0x00000000: |
| /* CS2==0 && CS3==0 -> version 4 */ |
| return 4; |
| default: |
| /* should not be reached! */ |
| return 2; |
| } |
| } |
| |
| int misc_init_r (void) |
| { |
| unsigned long cntrl0Reg; |
| |
| /* adjust flash start and offset */ |
| gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; |
| gd->bd->bi_flashoffset = 0; |
| |
| #ifdef CONFIG_CPCI405_VER2 |
| { |
| unsigned char *dst; |
| ulong len = sizeof(fpgadata); |
| int status; |
| int index; |
| int i; |
| |
| /* |
| * On CPCI-405 version 2 the environment is saved in eeprom! |
| * FPGA can be gzip compressed (malloc) and booted this late. |
| */ |
| if (cpci405_version() >= 2) { |
| /* |
| * Setup GPIO pins (CS6+CS7 as GPIO) |
| */ |
| cntrl0Reg = mfdcr(cntrl0); |
| mtdcr(cntrl0, cntrl0Reg | 0x00300000); |
| |
| dst = malloc(CFG_FPGA_MAX_SIZE); |
| if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) { |
| printf ("GUNZIP ERROR - must RESET board to recover\n"); |
| do_reset (NULL, 0, 0, NULL); |
| } |
| |
| status = fpga_boot(dst, len); |
| if (status != 0) { |
| printf("\nFPGA: Booting failed "); |
| switch (status) { |
| case ERROR_FPGA_PRG_INIT_LOW: |
| printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); |
| break; |
| case ERROR_FPGA_PRG_INIT_HIGH: |
| printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); |
| break; |
| case ERROR_FPGA_PRG_DONE: |
| printf("(Timeout: DONE not high after programming FPGA)\n "); |
| break; |
| } |
| |
| /* display infos on fpgaimage */ |
| index = 15; |
| for (i=0; i<4; i++) { |
| len = dst[index]; |
| printf("FPGA: %s\n", &(dst[index+1])); |
| index += len+3; |
| } |
| putc ('\n'); |
| /* delayed reboot */ |
| for (i=20; i>0; i--) { |
| printf("Rebooting in %2d seconds \r",i); |
| for (index=0;index<1000;index++) |
| udelay(1000); |
| } |
| putc ('\n'); |
| do_reset(NULL, 0, 0, NULL); |
| } |
| |
| /* restore gpio/cs settings */ |
| mtdcr(cntrl0, cntrl0Reg); |
| |
| puts("FPGA: "); |
| |
| /* display infos on fpgaimage */ |
| index = 15; |
| for (i=0; i<4; i++) { |
| len = dst[index]; |
| printf("%s ", &(dst[index+1])); |
| index += len+3; |
| } |
| putc ('\n'); |
| |
| free(dst); |
| |
| /* |
| * Reset FPGA via FPGA_DATA pin |
| */ |
| SET_FPGA(FPGA_PRG | FPGA_CLK); |
| udelay(1000); /* wait 1ms */ |
| SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); |
| udelay(1000); /* wait 1ms */ |
| |
| #ifdef CONFIG_CPCI405_6U |
| if (cpci405_version() == 3) { |
| volatile unsigned short *fpga_mode = (unsigned short *)CFG_FPGA_BASE_ADDR; |
| volatile unsigned char *leds = (unsigned char *)CFG_LED_ADDR; |
| |
| /* |
| * Enable outputs in fpga on version 3 board |
| */ |
| *fpga_mode |= CFG_FPGA_MODE_ENABLE_OUTPUT; |
| |
| /* |
| * Set outputs to 0 |
| */ |
| *leds = 0x00; |
| |
| /* |
| * Reset external DUART |
| */ |
| *fpga_mode |= CFG_FPGA_MODE_DUART_RESET; |
| udelay(100); |
| *fpga_mode &= ~(CFG_FPGA_MODE_DUART_RESET); |
| } |
| #endif |
| } |
| else { |
| puts("\n*** U-Boot Version does not match Board Version!\n"); |
| puts("*** CPCI-405 Version 1.x detected!\n"); |
| puts("*** Please use correct U-Boot version (CPCI405 instead of CPCI4052)!\n\n"); |
| } |
| } |
| |
| #else /* CONFIG_CPCI405_VER2 */ |
| |
| #if 0 /* test-only: code-plug now not relavant for ip-address any more */ |
| /* |
| * Generate last byte of ip-addr from code-plug @ 0xf0000400 |
| */ |
| if (ctermm2()) { |
| char str[32]; |
| unsigned char ipbyte = *(unsigned char *)0xf0000400; |
| |
| /* |
| * Only overwrite ip-addr with allowed values |
| */ |
| if ((ipbyte != 0x00) && (ipbyte != 0xff)) { |
| bd->bi_ip_addr = (bd->bi_ip_addr & 0xffffff00) | ipbyte; |
| sprintf(str, "%ld.%ld.%ld.%ld", |
| (bd->bi_ip_addr & 0xff000000) >> 24, |
| (bd->bi_ip_addr & 0x00ff0000) >> 16, |
| (bd->bi_ip_addr & 0x0000ff00) >> 8, |
| (bd->bi_ip_addr & 0x000000ff)); |
| setenv("ipaddr", str); |
| } |
| } |
| #endif |
| |
| if (cpci405_version() >= 2) { |
| puts("\n*** U-Boot Version does not match Board Version!\n"); |
| puts("*** CPCI-405 Board Version 2.x detected!\n"); |
| puts("*** Please use correct U-Boot version (CPCI4052 instead of CPCI405)!\n\n"); |
| } |
| |
| #endif /* CONFIG_CPCI405_VER2 */ |
| |
| /* |
| * Select cts (and not dsr) on uart1 |
| */ |
| cntrl0Reg = mfdcr(cntrl0); |
| mtdcr(cntrl0, cntrl0Reg | 0x00001000); |
| |
| return (0); |
| } |
| |
| /* |
| * Check Board Identity: |
| */ |
| |
| int checkboard (void) |
| { |
| #ifndef CONFIG_CPCI405_VER2 |
| int index; |
| int len; |
| #endif |
| char str[64]; |
| int i = getenv_r ("serial#", str, sizeof(str)); |
| unsigned short ver; |
| |
| puts ("Board: "); |
| |
| if (i == -1) { |
| puts ("### No HW ID - assuming CPCI405"); |
| } else { |
| puts(str); |
| } |
| |
| ver = cpci405_version(); |
| printf(" (Ver %d.x, ", ver); |
| |
| #if 0 /* test-only */ |
| if (ver >= 2) { |
| volatile u16 *fpga_status = (u16 *)CFG_FPGA_BASE_ADDR + 1; |
| |
| if (*fpga_status & CFG_FPGA_STATUS_FLASH) { |
| puts ("FLASH Bank B, "); |
| } else { |
| puts ("FLASH Bank A, "); |
| } |
| } |
| #endif |
| |
| if (ctermm2()) { |
| char str[4]; |
| |
| /* |
| * Read board-id and save in env-variable |
| */ |
| sprintf(str, "%d", *(unsigned char *)0xf0000400); |
| setenv("boardid", str); |
| printf("CTERM-M2 - Id=%s)", str); |
| } else { |
| if (cpci405_host()) { |
| puts ("PCI Host Version)"); |
| } else { |
| puts ("PCI Adapter Version)"); |
| } |
| } |
| |
| #ifndef CONFIG_CPCI405_VER2 |
| puts ("\nFPGA: "); |
| |
| /* display infos on fpgaimage */ |
| index = 15; |
| for (i=0; i<4; i++) { |
| len = fpgadata[index]; |
| printf("%s ", &(fpgadata[index+1])); |
| index += len+3; |
| } |
| #endif |
| |
| putc ('\n'); |
| return 0; |
| } |
| |
| void reset_phy(void) |
| { |
| #ifdef CONFIG_LXT971_NO_SLEEP |
| |
| /* |
| * Disable sleep mode in LXT971 |
| */ |
| lxt971_no_sleep(); |
| #endif |
| } |
| |
| #ifdef CONFIG_CPCI405_VER2 |
| #ifdef CONFIG_IDE_RESET |
| |
| void ide_set_reset(int on) |
| { |
| volatile unsigned short *fpga_mode = (unsigned short *)CFG_FPGA_BASE_ADDR; |
| |
| /* |
| * Assert or deassert CompactFlash Reset Pin |
| */ |
| if (on) { /* assert RESET */ |
| *fpga_mode &= ~(CFG_FPGA_MODE_CF_RESET); |
| } else { /* release RESET */ |
| *fpga_mode |= CFG_FPGA_MODE_CF_RESET; |
| } |
| } |
| |
| #endif /* CONFIG_IDE_RESET */ |
| #endif /* CONFIG_CPCI405_VER2 */ |
| |
| #if defined(CONFIG_PCI) |
| void cpci405_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev) |
| { |
| unsigned char int_line = 0xff; |
| |
| /* |
| * Write pci interrupt line register (cpci405 specific) |
| */ |
| switch (PCI_DEV(dev) & 0x03) { |
| case 0: |
| int_line = 27 + 2; |
| break; |
| case 1: |
| int_line = 27 + 3; |
| break; |
| case 2: |
| int_line = 27 + 0; |
| break; |
| case 3: |
| int_line = 27 + 1; |
| break; |
| } |
| |
| pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line); |
| } |
| |
| int pci_pre_init(struct pci_controller *hose) |
| { |
| hose->fixup_irq = cpci405_pci_fixup_irq; |
| return 1; |
| } |
| #endif /* defined(CONFIG_PCI) */ |
| |
| |
| #ifdef CONFIG_CPCI405AB |
| |
| #define ONE_WIRE_CLEAR (*(volatile unsigned short *)(CFG_FPGA_BASE_ADDR + CFG_FPGA_MODE) \ |
| |= CFG_FPGA_MODE_1WIRE_DIR) |
| #define ONE_WIRE_SET (*(volatile unsigned short *)(CFG_FPGA_BASE_ADDR + CFG_FPGA_MODE) \ |
| &= ~CFG_FPGA_MODE_1WIRE_DIR) |
| #define ONE_WIRE_GET (*(volatile unsigned short *)(CFG_FPGA_BASE_ADDR + CFG_FPGA_STATUS) \ |
| & CFG_FPGA_MODE_1WIRE) |
| |
| /* |
| * Generate a 1-wire reset, return 1 if no presence detect was found, |
| * return 0 otherwise. |
| * (NOTE: Does not handle alarm presence from DS2404/DS1994) |
| */ |
| int OWTouchReset(void) |
| { |
| int result; |
| |
| ONE_WIRE_CLEAR; |
| udelay(480); |
| ONE_WIRE_SET; |
| udelay(70); |
| |
| result = ONE_WIRE_GET; |
| |
| udelay(410); |
| return result; |
| } |
| |
| /* |
| * Send 1 a 1-wire write bit. |
| * Provide 10us recovery time. |
| */ |
| void OWWriteBit(int bit) |
| { |
| if (bit) { |
| /* |
| * write '1' bit |
| */ |
| ONE_WIRE_CLEAR; |
| udelay(6); |
| ONE_WIRE_SET; |
| udelay(64); |
| } else { |
| /* |
| * write '0' bit |
| */ |
| ONE_WIRE_CLEAR; |
| udelay(60); |
| ONE_WIRE_SET; |
| udelay(10); |
| } |
| } |
| |
| /* |
| * Read a bit from the 1-wire bus and return it. |
| * Provide 10us recovery time. |
| */ |
| int OWReadBit(void) |
| { |
| int result; |
| |
| ONE_WIRE_CLEAR; |
| udelay(6); |
| ONE_WIRE_SET; |
| udelay(9); |
| |
| result = ONE_WIRE_GET; |
| |
| udelay(55); |
| return result; |
| } |
| |
| void OWWriteByte(int data) |
| { |
| int loop; |
| |
| for (loop=0; loop<8; loop++) { |
| OWWriteBit(data & 0x01); |
| data >>= 1; |
| } |
| } |
| |
| int OWReadByte(void) |
| { |
| int loop, result = 0; |
| |
| for (loop=0; loop<8; loop++) { |
| result >>= 1; |
| if (OWReadBit()) { |
| result |= 0x80; |
| } |
| } |
| |
| return result; |
| } |
| |
| int do_onewire(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| { |
| volatile unsigned short val; |
| int result; |
| int i; |
| unsigned char ow_id[6]; |
| char str[32]; |
| unsigned char ow_crc; |
| |
| /* |
| * Clear 1-wire bit (open drain with pull-up) |
| */ |
| val = *(volatile unsigned short *)0xf0400000; |
| val &= ~0x1000; /* clear 1-wire bit */ |
| *(volatile unsigned short *)0xf0400000 = val; |
| |
| result = OWTouchReset(); |
| if (result != 0) { |
| puts("No 1-wire device detected!\n"); |
| } |
| |
| OWWriteByte(0x33); /* send read rom command */ |
| OWReadByte(); /* skip family code ( == 0x01) */ |
| for (i=0; i<6; i++) { |
| ow_id[i] = OWReadByte(); |
| } |
| ow_crc = OWReadByte(); /* read crc */ |
| |
| sprintf(str, "%08X%04X", *(unsigned int *)&ow_id[0], *(unsigned short *)&ow_id[4]); |
| printf("Setting environment variable 'ow_id' to %s\n", str); |
| setenv("ow_id", str); |
| |
| return 0; |
| } |
| U_BOOT_CMD( |
| onewire, 1, 1, do_onewire, |
| "onewire - Read 1-write ID\n", |
| NULL |
| ); |
| |
| #define CFG_I2C_EEPROM_ADDR_2 0x51 /* EEPROM CAT28WC32 */ |
| #define CFG_ENV_SIZE_2 0x800 /* 2048 bytes may be used for env vars*/ |
| |
| /* |
| * Write backplane ip-address... |
| */ |
| int do_get_bpip(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| { |
| bd_t *bd = gd->bd; |
| char *buf; |
| ulong crc; |
| char str[32]; |
| char *ptr; |
| IPaddr_t ipaddr; |
| |
| buf = malloc(CFG_ENV_SIZE_2); |
| if (eeprom_read(CFG_I2C_EEPROM_ADDR_2, 0, (uchar *)buf, CFG_ENV_SIZE_2)) { |
| puts("\nError reading backplane EEPROM!\n"); |
| } else { |
| crc = crc32(0, (uchar *)(buf+4), CFG_ENV_SIZE_2-4); |
| if (crc != *(ulong *)buf) { |
| printf("ERROR: crc mismatch %08lx %08lx\n", crc, *(ulong *)buf); |
| return -1; |
| } |
| |
| /* |
| * Find bp_ip |
| */ |
| ptr = strstr(buf+4, "bp_ip="); |
| if (ptr == NULL) { |
| printf("ERROR: bp_ip not found!\n"); |
| return -1; |
| } |
| ptr += 6; |
| ipaddr = string_to_ip(ptr); |
| |
| /* |
| * Update whole ip-addr |
| */ |
| bd->bi_ip_addr = ipaddr; |
| sprintf(str, "%ld.%ld.%ld.%ld", |
| (bd->bi_ip_addr & 0xff000000) >> 24, |
| (bd->bi_ip_addr & 0x00ff0000) >> 16, |
| (bd->bi_ip_addr & 0x0000ff00) >> 8, |
| (bd->bi_ip_addr & 0x000000ff)); |
| setenv("ipaddr", str); |
| printf("Updated ip_addr from bp_eeprom to %s!\n", str); |
| } |
| |
| free(buf); |
| |
| return 0; |
| } |
| U_BOOT_CMD( |
| getbpip, 1, 1, do_get_bpip, |
| "getbpip - Update IP-Address with Backplane IP-Address\n", |
| NULL |
| ); |
| |
| /* |
| * Set and print backplane ip... |
| */ |
| int do_set_bpip(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| { |
| char *buf; |
| char str[32]; |
| ulong crc; |
| |
| if (argc < 2) { |
| puts("ERROR!\n"); |
| return -1; |
| } |
| |
| printf("Setting bp_ip to %s\n", argv[1]); |
| buf = malloc(CFG_ENV_SIZE_2); |
| memset(buf, 0, CFG_ENV_SIZE_2); |
| sprintf(str, "bp_ip=%s", argv[1]); |
| strcpy(buf+4, str); |
| crc = crc32(0, (uchar *)(buf+4), CFG_ENV_SIZE_2-4); |
| *(ulong *)buf = crc; |
| |
| if (eeprom_write(CFG_I2C_EEPROM_ADDR_2, 0, (uchar *)buf, CFG_ENV_SIZE_2)) { |
| puts("\nError writing backplane EEPROM!\n"); |
| } |
| |
| free(buf); |
| |
| return 0; |
| } |
| U_BOOT_CMD( |
| setbpip, 2, 1, do_set_bpip, |
| "setbpip - Write Backplane IP-Address\n", |
| NULL |
| ); |
| |
| #endif /* CONFIG_CPCI405AB */ |