mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 17:07:38 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/*
|
|
* (C) Copyright 2007
|
|
* Stefan Roese, DENX Software Engineering, sr@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <i2c.h>
|
|
|
|
static u8 boot_267_nor[] = {
|
|
0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00,
|
|
0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
static u8 boot_267_nand[] = {
|
|
0xd0, 0x38, 0xc3, 0x50, 0x13, 0x88, 0x8e, 0x00,
|
|
0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
u8 chip;
|
|
u8 *buf;
|
|
int cpu_freq;
|
|
|
|
if (argc < 3)
|
|
return cmd_usage(cmdtp);
|
|
|
|
cpu_freq = simple_strtol(argv[1], NULL, 10);
|
|
if (cpu_freq != 267) {
|
|
printf("Unsupported cpu-frequency - only 267 supported\n");
|
|
return 1;
|
|
}
|
|
|
|
/* use 0x50 as I2C EEPROM address for now */
|
|
chip = 0x50;
|
|
|
|
if ((strcmp(argv[2], "nor") != 0) &&
|
|
(strcmp(argv[2], "nand") != 0)) {
|
|
printf("Unsupported boot-device - only nor|nand support\n");
|
|
return 1;
|
|
}
|
|
|
|
if (strcmp(argv[2], "nand") == 0) {
|
|
switch (cpu_freq) {
|
|
case 267:
|
|
buf = boot_267_nand;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} else {
|
|
switch (cpu_freq) {
|
|
case 267:
|
|
buf = boot_267_nor;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i2c_write(chip, 0, 1, buf, 16) != 0)
|
|
printf("Error writing to EEPROM at address 0x%x\n", chip);
|
|
udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
|
|
if (i2c_write(chip, 0x10, 1, buf+16, 4) != 0)
|
|
printf("Error2 writing to EEPROM at address 0x%x\n", chip);
|
|
|
|
printf("Done\n");
|
|
printf("Please power-cycle the board for the changes to take effect\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
bootstrap, 3, 0, do_bootstrap,
|
|
"program the I2C bootstrap EEPROM",
|
|
"<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM"
|
|
);
|