mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-21 01:18:52 +09:00
106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/*
|
|
* (C) Copyright 2007
|
|
* Stefan Roese, DENX Software Engineering, sr@denx.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
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <asm/processor.h>
|
|
#include <asm/io.h>
|
|
#include <asm/ppc4xx-gpio.h>
|
|
#include <i2c.h>
|
|
|
|
#if defined(CONFIG_ZEUS)
|
|
|
|
u8 buf_zeus_ce[] = {
|
|
/*00 01 02 03 04 05 06 07 */
|
|
0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/*08 09 0a 0b 0c 0d 0e 0f */
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/*10 11 12 13 14 15 16 17 */
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/*18 19 1a 1b 1c 1d 1e 1f */
|
|
0x00, 0xc0, 0x50, 0x12, 0x72, 0x3e, 0x00, 0x00 };
|
|
|
|
u8 buf_zeus_pe[] = {
|
|
|
|
/* CPU_CLOCK_DIV 1 = 00
|
|
CPU_PLB_FREQ_DIV 3 = 10
|
|
OPB_PLB_FREQ_DIV 2 = 01
|
|
EBC_PLB_FREQ_DIV 2 = 00
|
|
MAL_PLB_FREQ_DIV 1 = 00
|
|
PCI_PLB_FRQ_DIV 3 = 10
|
|
PLL_PLLOUTA = IS SET
|
|
PLL_OPERATING = IS NOT SET
|
|
PLL_FDB_MUL 10 = 1010
|
|
PLL_FWD_DIV_A 3 = 101
|
|
PLL_FWD_DIV_B 3 = 101
|
|
TUNE = 0x2be */
|
|
/*00 01 02 03 04 05 06 07 */
|
|
0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/*08 09 0a 0b 0c 0d 0e 0f */
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/*10 11 12 13 14 15 16 17 */
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/*18 19 1a 1b 1c 1d 1e 1f */
|
|
0x00, 0x60, 0x68, 0x2d, 0x42, 0xbe, 0x00, 0x00 };
|
|
|
|
static int update_boot_eeprom(void)
|
|
{
|
|
u32 len = 0x20;
|
|
u8 chip = CONFIG_SYS_I2C_EEPROM_ADDR;
|
|
u8 *pbuf;
|
|
u8 base;
|
|
int i;
|
|
|
|
if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CONFIG_SYS_GPIO_ZEUS_PE)) {
|
|
pbuf = buf_zeus_pe;
|
|
base = 0x40;
|
|
} else {
|
|
pbuf = buf_zeus_ce;
|
|
base = 0x00;
|
|
}
|
|
|
|
for (i = 0; i < len; i++, base++) {
|
|
if (i2c_write(chip, base, 1, &pbuf[i], 1) != 0) {
|
|
printf("i2c_write fail\n");
|
|
return 1;
|
|
}
|
|
udelay(11000);
|
|
}
|
|
|
|
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 boot eeprom content",
|
|
""
|
|
);
|
|
|
|
#endif
|