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-rw-r--r--roms/u-boot/board/esd/cpci405/cpci405.c767
1 files changed, 767 insertions, 0 deletions
diff --git a/roms/u-boot/board/esd/cpci405/cpci405.c b/roms/u-boot/board/esd/cpci405/cpci405.c
new file mode 100644
index 00000000..63cd862d
--- /dev/null
+++ b/roms/u-boot/board/esd/cpci405/cpci405.c
@@ -0,0 +1,767 @@
+/*
+ * (C) Copyright 2001-2003
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.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 void __ft_board_setup(void *blob, bd_t *bd);
+
+#undef FPGA_DEBUG
+
+/* fpga configuration data - generated by bin2cc */
+const unsigned char fpgadata[] =
+{
+#if defined(CONFIG_CPCI405_VER2)
+# if defined(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"
+
+#if defined(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
+#if defined(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);
+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)
+ */
+ out_be32((void *)GPIO0_ODR, 0x00000000); /* no open drain pins */
+ out_be32((void *)GPIO0_TCR, CONFIG_SYS_FPGA_PRG); /* setup for output */
+ out_be32((void *)GPIO0_OR, CONFIG_SYS_FPGA_PRG); /* set output pins to high */
+ out_be32((void *)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 sens.
+ * 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(UIC0SR, 0xFFFFFFFF); /* clear all ints */
+ mtdcr(UIC0ER, 0x00000000); /* disable all ints */
+ mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/
+#if defined(CONFIG_CPCI405_6U)
+ if (cpci405_version() == 3) {
+ mtdcr(UIC0PR, 0xFFFFFF99); /* set int polarities */
+ } else {
+ mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */
+ }
+#else
+ mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */
+#endif
+ mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */
+ mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,
+ * INT0 highest priority */
+ mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
+
+ return 0;
+}
+
+int ctermm2(void)
+{
+#if defined(CONFIG_CPCI405_VER2)
+ return 0; /* no, board is cpci405 */
+#else
+ if ((in_8((void*)0xf0000400) == 0x00) &&
+ (in_8((void*)0xf0000401) == 0x01))
+ return 0; /* no, board is cpci405 */
+ else
+ return -1; /* yes, board is cterm-m2 */
+#endif
+}
+
+int cpci405_host(void)
+{
+ if (mfdcr(CPC0_PSR) & 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 CPC0_CR0Reg;
+ unsigned long value;
+
+ /*
+ * Setup GPIO pins (CS2/GPIO11 and CS3/GPIO12 as GPIO)
+ */
+ CPC0_CR0Reg = mfdcr(CPC0_CR0);
+ mtdcr(CPC0_CR0, CPC0_CR0Reg | 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(CPC0_CR0, CPC0_CR0Reg);
+
+ 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 CPC0_CR0Reg;
+
+ /* adjust flash start and offset */
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
+
+#if defined(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)
+ */
+ CPC0_CR0Reg = mfdcr(CPC0_CR0);
+ mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00300000);
+
+ dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
+ if (gunzip(dst, CONFIG_SYS_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(CPC0_CR0, CPC0_CR0Reg);
+
+ 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 */
+
+#if defined(CONFIG_CPCI405_6U)
+#error HIER GETH ES WEITER MIT IO ACCESSORS
+ if (cpci405_version() == 3) {
+ /*
+ * Enable outputs in fpga on version 3 board
+ */
+ out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
+ in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) |
+ CONFIG_SYS_FPGA_MODE_ENABLE_OUTPUT);
+
+ /*
+ * Set outputs to 0
+ */
+ out_8((void*)CONFIG_SYS_LED_ADDR, 0x00);
+
+ /*
+ * Reset external DUART
+ */
+ out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
+ in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) |
+ CONFIG_SYS_FPGA_MODE_DUART_RESET);
+ udelay(100);
+ out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
+ in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) &
+ ~CONFIG_SYS_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 (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
+ */
+ CPC0_CR0Reg = mfdcr(CPC0_CR0);
+ mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00001000);
+
+ return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard(void)
+{
+#ifndef CONFIG_CPCI405_VER2
+ int index;
+ int len;
+#endif
+ char str[64];
+ int i = getenv_f("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 (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)
+{
+#if defined(CONFIG_LXT971_NO_SLEEP)
+
+ /*
+ * Disable sleep mode in LXT971
+ */
+ lxt971_no_sleep();
+#endif
+}
+
+#if defined(CONFIG_CPCI405_VER2) && defined (CONFIG_IDE_RESET)
+void ide_set_reset(int on)
+{
+ /*
+ * Assert or deassert CompactFlash Reset Pin
+ */
+ if (on) { /* assert RESET */
+ out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
+ in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) &
+ ~CONFIG_SYS_FPGA_MODE_CF_RESET);
+ } else { /* release RESET */
+ out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
+ in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) |
+ CONFIG_SYS_FPGA_MODE_CF_RESET);
+ }
+}
+
+#endif /* CONFIG_IDE_RESET && 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) */
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ int rc;
+
+ __ft_board_setup(blob, bd);
+
+ /*
+ * Disable PCI in adapter mode.
+ */
+ if (!cpci405_host()) {
+ rc = fdt_find_and_setprop(blob, "/plb/pci@ec000000", "status",
+ "disabled", sizeof("disabled"), 1);
+ if (rc) {
+ printf("Unable to update property status in PCI node, "
+ "err=%s\n",
+ fdt_strerror(rc));
+ }
+ }
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
+
+#if defined(CONFIG_CPCI405AB)
+#define ONE_WIRE_CLEAR out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
+ CONFIG_SYS_FPGA_MODE), \
+ in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
+ CONFIG_SYS_FPGA_MODE)) | \
+ CONFIG_SYS_FPGA_MODE_1WIRE_DIR)
+
+#define ONE_WIRE_SET out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
+ CONFIG_SYS_FPGA_MODE), \
+ in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
+ CONFIG_SYS_FPGA_MODE)) & \
+ ~CONFIG_SYS_FPGA_MODE_1WIRE_DIR)
+
+#define ONE_WIRE_GET (in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
+ CONFIG_SYS_FPGA_STATUS)) & \
+ CONFIG_SYS_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 * const argv[])
+{
+ unsigned short val;
+ int result;
+ int i;
+ unsigned char ow_id[6];
+ char str[32];
+
+ /*
+ * Clear 1-wire bit (open drain with pull-up)
+ */
+ val = in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR +
+ CONFIG_SYS_FPGA_MODE));
+ val &= ~CONFIG_SYS_FPGA_MODE_1WIRE; /* clear 1-wire bit */
+ out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR +
+ CONFIG_SYS_FPGA_MODE), 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();
+ OWReadByte(); /* read crc */
+
+ sprintf(str, "%02X%02X%02X%02X%02X%02X",
+ ow_id[0], ow_id[1], ow_id[2], ow_id[3], ow_id[4], ow_id[5]);
+ printf("Setting environment variable 'ow_id' to %s\n", str);
+ setenv("ow_id", str);
+
+ return 0;
+}
+U_BOOT_CMD(
+ onewire, 1, 1, do_onewire,
+ "Read 1-write ID",
+ ""
+);
+
+#define CONFIG_SYS_I2C_EEPROM_ADDR_2 0x51 /* EEPROM CAT24WC32 */
+#define CONFIG_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 * const argv[])
+{
+ char *buf;
+ ulong crc;
+ char str[32];
+ char *ptr;
+ IPaddr_t ipaddr;
+
+ buf = malloc(CONFIG_ENV_SIZE_2);
+ if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR_2, 0,
+ (uchar *)buf, CONFIG_ENV_SIZE_2))
+ puts("\nError reading backplane EEPROM!\n");
+ else {
+ crc = crc32(0, (uchar *)(buf+4), CONFIG_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
+ */
+ sprintf(str, "%pI4", &ipaddr);
+ 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,
+ "Update IP-Address with Backplane IP-Address",
+ ""
+);
+
+/*
+ * Set and print backplane ip...
+ */
+int do_set_bpip(cmd_tbl_t *cmdtp, int flag, int argc, char * const 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(CONFIG_ENV_SIZE_2);
+ memset(buf, 0, CONFIG_ENV_SIZE_2);
+ sprintf(str, "bp_ip=%s", argv[1]);
+ strcpy(buf+4, str);
+ crc = crc32(0, (uchar *)(buf+4), CONFIG_ENV_SIZE_2 - 4);
+ *(ulong *)buf = crc;
+
+ if (eeprom_write(CONFIG_SYS_I2C_EEPROM_ADDR_2,
+ 0, (uchar *)buf, CONFIG_ENV_SIZE_2))
+ puts("\nError writing backplane EEPROM!\n");
+
+ free(buf);
+
+ return 0;
+}
+U_BOOT_CMD(
+ setbpip, 2, 1, do_set_bpip,
+ "Write Backplane IP-Address",
+ ""
+);
+
+#endif /* CONFIG_CPCI405AB */