mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
3765b3e7bd
Signed-off-by: Wolfgang Denk <wd@denx.de>
62 lines
1,014 B
C
62 lines
1,014 B
C
/*
|
|
* (C) Copyright 2007
|
|
* Stefan Roese, DENX Software Engineering, sr@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <asm/processor.h>
|
|
#include <i2c.h>
|
|
|
|
#if defined(CONFIG_TAISHAN)
|
|
|
|
const uchar bootstrap_buf[16] = {
|
|
0x86,
|
|
0x78,
|
|
0xc1,
|
|
0xa6,
|
|
0x09,
|
|
0x67,
|
|
0x04,
|
|
0x63,
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
0x00
|
|
};
|
|
|
|
static int update_boot_eeprom(void)
|
|
{
|
|
ulong len = 0x10;
|
|
uchar chip = CONFIG_SYS_BOOTSTRAP_IIC_ADDR;
|
|
uchar *pbuf = (uchar *)bootstrap_buf;
|
|
int ii, jj;
|
|
|
|
for (ii = 0; ii < len; ii++) {
|
|
if (i2c_write(chip, ii, 1, &pbuf[ii], 1) != 0) {
|
|
printf("i2c_write failed\n");
|
|
return -1;
|
|
}
|
|
|
|
/* wait 10ms */
|
|
for (jj = 0; jj < 10; jj++)
|
|
udelay(1000);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int do_update_boot_eeprom(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
return update_boot_eeprom();
|
|
}
|
|
|
|
U_BOOT_CMD(update_boot_eeprom, 1, 1, do_update_boot_eeprom,
|
|
"update bootstrap eeprom content", "");
|
|
#endif
|