void env_relocate_spec(void)
{
DECLARE_GLOBAL_DATA_PTR;
unsigned long env_addr;
int use_default = 0;
int retlen;
env_addr = CFG_ENV_ADDR;
env_addr -= (unsigned long)onenand_chip.base;
/* Check OneNAND exist */
if (onenand_mtd.oobblock)
/* Ignore read fail */
onenand_read(&onenand_mtd, env_addr, onenand_mtd.oobblock,
&retlen, (u_char *) env_ptr);
else
onenand_mtd.oobblock = MAX_ONENAND_PAGESIZE;
if (crc32(0, env_ptr->data, ONENAND_ENV_SIZE(onenand_mtd)) !=
env_ptr->crc)
use_default = 1;
if (use_default) {
memcpy(env_ptr->data, default_environment,
ONENAND_ENV_SIZE(onenand_mtd));
env_ptr->crc =
crc32(0, env_ptr->data, ONENAND_ENV_SIZE(onenand_mtd));
}
gd->env_addr = (ulong) & env_ptr->data;
gd->env_valid = 1;
}
void env_relocate_spec(void)
{
unsigned long env_addr;
int use_default = 0;
size_t retlen;
env_addr = CFG_ENV_ADDR;
/* Check OneNAND exist */
if (onenand_mtd.writesize)
/* Ignore read fail */
onenand_read(&onenand_mtd, env_addr, onenand_mtd.writesize,
&retlen, (u_char *) env_ptr);
else
onenand_mtd.writesize = MAX_ONENAND_PAGESIZE;
if (crc32(0, env_ptr->data, ONENAND_ENV_SIZE(onenand_mtd)) !=
env_ptr->crc)
use_default = 1;
if (use_default) {
memcpy(env_ptr->data, default_environment,
ONENAND_ENV_SIZE(onenand_mtd));
env_ptr->crc =
crc32(0, env_ptr->data, ONENAND_ENV_SIZE(onenand_mtd));
}
gd->env_addr = (ulong) & env_ptr->data;
gd->env_valid = 1;
}
int saveenv(void)
{
unsigned long env_addr = CFG_ENV_ADDR;
struct erase_info instr = {
.callback = NULL,
};
size_t retlen;
instr.len = CFG_ENV_SIZE;
instr.addr = env_addr;
if (onenand_erase(&onenand_mtd, &instr)) {
printf("OneNAND: erase failed at 0x%08lx\n", env_addr);
return 1;
}
/* update crc */
env_ptr->crc =
crc32(0, env_ptr->data, ONENAND_ENV_SIZE(onenand_mtd));
if (onenand_write(&onenand_mtd, env_addr, onenand_mtd.writesize, &retlen,
(u_char *) env_ptr)) {
printf("OneNAND: write failed at 0x%08x\n", instr.addr);
return 2;
}
return 0;
}
void env_relocate_spec(void)
{
struct mtd_info *mtd = &onenand_mtd;
#ifdef CONFIG_ENV_ADDR_FLEX
struct onenand_chip *this = &onenand_chip;
#endif
loff_t env_addr;
int use_default = 0;
size_t retlen;
env_addr = CONFIG_ENV_ADDR;
#ifdef CONFIG_ENV_ADDR_FLEX
if (FLEXONENAND(this))
env_addr = CONFIG_ENV_ADDR_FLEX;
#endif
/* Check OneNAND exist */
if (mtd->writesize)
/* Ignore read fail */
mtd->read(mtd, env_addr, ONENAND_MAX_ENV_SIZE,
&retlen, (u_char *) env_ptr);
else
mtd->writesize = MAX_ONENAND_PAGESIZE;
if (crc32(0, env_ptr->data, ONENAND_ENV_SIZE(mtd)) != env_ptr->crc)
use_default = 1;
if (use_default) {
memcpy(env_ptr->data, default_environment,
ONENAND_ENV_SIZE(mtd));
env_ptr->crc =
crc32(0, env_ptr->data, ONENAND_ENV_SIZE(mtd));
}
gd->env_addr = (ulong) & env_ptr->data;
gd->env_valid = 1;
}
int saveenv(void)
{
struct mtd_info *mtd = &onenand_mtd;
#ifdef CONFIG_ENV_ADDR_FLEX
struct onenand_chip *this = &onenand_chip;
#endif
loff_t env_addr = CONFIG_ENV_ADDR;
struct erase_info instr = {
.callback = NULL,
};
size_t retlen;
instr.len = CONFIG_ENV_SIZE;
#ifdef CONFIG_ENV_ADDR_FLEX
if (FLEXONENAND(this)) {
env_addr = CONFIG_ENV_ADDR_FLEX;
instr.len = CONFIG_ENV_SIZE_FLEX;
instr.len <<= onenand_mtd.eraseregions[0].numblocks == 1 ?
1 : 0;
}
#endif
instr.addr = env_addr;
instr.mtd = mtd;
if (mtd->erase(mtd, &instr)) {
printf("OneNAND: erase failed at 0x%08llx\n", env_addr);
return 1;
}
/* update crc */
env_ptr->crc = crc32(0, env_ptr->data, ONENAND_ENV_SIZE(mtd));
if (mtd->write(mtd, env_addr, ONENAND_MAX_ENV_SIZE, &retlen,
(u_char *) env_ptr)) {
printf("OneNAND: write failed at 0x%llx\n", instr.addr);
return 2;
}
return 0;
}
