182 lines
4.0 KiB
C
Executable File
182 lines
4.0 KiB
C
Executable File
/*
|
|
* (C) Copyright 2007-2011
|
|
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
|
|
* Tom Cubie <tangliang@allwinnertech.com>
|
|
*
|
|
* 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 <common.h>
|
|
#include <command.h>
|
|
#include <environment.h>
|
|
#include <linux/stddef.h>
|
|
#include <malloc.h>
|
|
#include <mmc.h>
|
|
#include <search.h>
|
|
#include <errno.h>
|
|
#include <nand.h>
|
|
#ifdef CONFIG_ALLWINNER
|
|
#include <boot_type.h>
|
|
#include <sys_partition.h>
|
|
#endif
|
|
extern uchar default_environment[];
|
|
|
|
char * env_name_spec = "SUNXI";
|
|
|
|
#ifdef ENV_IS_EMBEDDED
|
|
extern uchar environment[];
|
|
env_t *env_ptr = (env_t *)(&environment[0]);
|
|
#else /* ! ENV_IS_EMBEDDED */
|
|
env_t *env_ptr = NULL;
|
|
#endif /* ENV_IS_EMBEDDED */
|
|
|
|
/* local functions */
|
|
#if !defined(ENV_IS_EMBEDDED)
|
|
static void use_default(void);
|
|
#endif
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
const uchar sunxi_sprite_environment[] = {
|
|
#ifdef CONFIG_SUNXI_SPRITE_ENV_SETTINGS
|
|
CONFIG_SUNXI_SPRITE_ENV_SETTINGS
|
|
#endif
|
|
"\0"
|
|
};
|
|
|
|
|
|
#if !defined(CONFIG_ENV_OFFSET)
|
|
#define CONFIG_ENV_OFFSET 0
|
|
#endif
|
|
|
|
//loff_t env_offset = (loff_t)CONFIG_ENV_ADDR;
|
|
size_t env_size = (size_t)CONFIG_ENV_SIZE;
|
|
|
|
uchar env_get_char_spec(int index)
|
|
{
|
|
return ( *((uchar *)(gd->env_addr + index)) );
|
|
}
|
|
|
|
int env_init(void)
|
|
{
|
|
/* use default */
|
|
gd->env_addr = (ulong)&default_environment[0];
|
|
gd->env_valid = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_ENV_OFFSET_REDUND
|
|
#error No support for redundant environment on sunxi nand yet!
|
|
#endif
|
|
|
|
static void flash_use_efex_env(void)
|
|
{
|
|
if (himport_r(&env_htab, (char *)sunxi_sprite_environment,
|
|
sizeof(sunxi_sprite_environment), '\0', 0) == 0) {
|
|
error("Environment import failed: errno = %d\n", errno);
|
|
}
|
|
gd->flags |= GD_FLG_ENV_READY;
|
|
|
|
return ;
|
|
}
|
|
|
|
static int flash_saveenv(void)
|
|
{
|
|
env_t env_new;
|
|
ssize_t len;
|
|
char *res;
|
|
u32 start;
|
|
int ret;
|
|
|
|
start = sunxi_partition_get_offset_byname(CONFIG_SUNXI_ENV_PARTITION);
|
|
if(!start){
|
|
printf("fail to find part named %s\n", CONFIG_SUNXI_ENV_PARTITION);
|
|
return -1;
|
|
}
|
|
|
|
res = (char *)&env_new.data;
|
|
len = hexport_r(&env_htab, '\0', &res, ENV_SIZE);
|
|
if (len < 0) {
|
|
error("Cannot export environment: errno = %d\n", errno);
|
|
return 1;
|
|
}
|
|
env_new.crc = crc32(0, env_new.data, ENV_SIZE);
|
|
|
|
ret = sunxi_flash_write(start, env_size/512, &env_new);
|
|
sunxi_flash_flush();
|
|
return ret;
|
|
}
|
|
|
|
int saveenv(void)
|
|
{
|
|
printf("saveenv storage_type = %d\n", uboot_spare_head.boot_data.storage_type);
|
|
return flash_saveenv();
|
|
}
|
|
|
|
static void flash_env_relocate_spec(int workmode)
|
|
{
|
|
#if !defined(ENV_IS_EMBEDDED)
|
|
char buf[CONFIG_ENV_SIZE];
|
|
u32 start;
|
|
|
|
if((workmode & WORK_MODE_PRODUCT) && (!(workmode & WORK_MODE_UPDATE)))
|
|
{
|
|
flash_use_efex_env();
|
|
}
|
|
else
|
|
{
|
|
start = sunxi_partition_get_offset_byname(CONFIG_SUNXI_ENV_PARTITION);
|
|
if(!start){
|
|
printf("fail to find part named %s\n", CONFIG_SUNXI_ENV_PARTITION);
|
|
use_default();
|
|
return;
|
|
}
|
|
|
|
if(!sunxi_flash_read(start, CONFIG_ENV_SIZE/512, buf))
|
|
{
|
|
use_default();
|
|
return;
|
|
}
|
|
env_import(buf, 1);
|
|
}
|
|
|
|
#endif
|
|
}
|
|
|
|
|
|
void env_relocate_spec(void)
|
|
{
|
|
debug("env_relocate_spec storage_type = %d\n", uboot_spare_head.boot_data.storage_type);
|
|
flash_env_relocate_spec(uboot_spare_head.boot_data.work_mode);
|
|
}
|
|
|
|
#if !defined(ENV_IS_EMBEDDED)
|
|
static void use_default()
|
|
{
|
|
set_default_env(NULL);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* This is called before nand_init() so we can't read NAND to
|
|
* validate env data.
|
|
*/
|
|
|