mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 08:31:03 +00:00
4a3ea21641
Add support to read the boot src register and set bootcmd env from the selected bootcmdX env setting. Based on Linkstation boot choice selection. Signed-off-by: Rob Herring <rob.herring@calxeda.com>
92 lines
2 KiB
C
92 lines
2 KiB
C
/*
|
|
* Copyright 2010-2011 Calxeda, Inc.
|
|
*
|
|
* 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 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <ahci.h>
|
|
#include <netdev.h>
|
|
#include <scsi.h>
|
|
|
|
#include <asm/sizes.h>
|
|
#include <asm/io.h>
|
|
|
|
#define HB_SREG_A9_PWR_REQ 0xfff3cf00
|
|
#define HB_SREG_A9_BOOT_SRC_STAT 0xfff3cf04
|
|
#define HB_PWR_SUSPEND 0
|
|
#define HB_PWR_SOFT_RESET 1
|
|
#define HB_PWR_HARD_RESET 2
|
|
#define HB_PWR_SHUTDOWN 3
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/*
|
|
* Miscellaneous platform dependent initialisations
|
|
*/
|
|
int board_init(void)
|
|
{
|
|
icache_enable();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* We know all the init functions have been run now */
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
int rc = 0;
|
|
|
|
#ifdef CONFIG_CALXEDA_XGMAC
|
|
rc += calxedaxgmac_initialize(0, 0xfff50000);
|
|
rc += calxedaxgmac_initialize(1, 0xfff51000);
|
|
#endif
|
|
return rc;
|
|
}
|
|
|
|
int misc_init_r(void)
|
|
{
|
|
char envbuffer[16];
|
|
u32 boot_choice;
|
|
|
|
ahci_init(0xffe08000);
|
|
scsi_scan(1);
|
|
|
|
boot_choice = readl(HB_SREG_A9_BOOT_SRC_STAT) & 0xff;
|
|
sprintf(envbuffer, "bootcmd%d", boot_choice);
|
|
if (getenv(envbuffer)) {
|
|
sprintf(envbuffer, "run bootcmd%d", boot_choice);
|
|
setenv("bootcmd", envbuffer);
|
|
} else
|
|
setenv("bootcmd", "");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
gd->ram_size = SZ_512M;
|
|
return 0;
|
|
}
|
|
|
|
void dram_init_banksize(void)
|
|
{
|
|
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
|
|
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
|
|
}
|
|
|
|
void reset_cpu(ulong addr)
|
|
{
|
|
writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ);
|
|
asm(" wfi");
|
|
}
|