diff options
Diffstat (limited to 'common/env_onenand.c')
| -rw-r--r-- | common/env_onenand.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/common/env_onenand.c b/common/env_onenand.c index 48089a9..476fdbc 100644 --- a/common/env_onenand.c +++ b/common/env_onenand.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2005-2007 Samsung Electronics + * (C) Copyright 2005-2009 Samsung Electronics * Kyungmin Park <kyungmin.park@samsung.com> * * See file CREDITS for list of people who contributed to this @@ -37,15 +37,16 @@ extern struct onenand_chip onenand_chip; /* References to names in env_common.c */ extern uchar default_environment[]; -#define ONENAND_ENV_SIZE(mtd) (mtd.writesize - ENV_HEADER_SIZE) - char *env_name_spec = "OneNAND"; +#define ONENAND_MAX_ENV_SIZE 4096 +#define ONENAND_ENV_SIZE(mtd) (ONENAND_MAX_ENV_SIZE - ENV_HEADER_SIZE) + #ifdef ENV_IS_EMBEDDED extern uchar environment[]; env_t *env_ptr = (env_t *) (&environment[0]); #else /* ! ENV_IS_EMBEDDED */ -static unsigned char onenand_env[MAX_ONENAND_PAGESIZE]; +static unsigned char onenand_env[ONENAND_MAX_ENV_SIZE]; env_t *env_ptr = (env_t *) onenand_env; #endif /* ENV_IS_EMBEDDED */ @@ -58,6 +59,7 @@ uchar env_get_char_spec(int index) void env_relocate_spec(void) { + struct mtd_info *mtd = &onenand_mtd; loff_t env_addr; int use_default = 0; size_t retlen; @@ -65,22 +67,21 @@ void env_relocate_spec(void) env_addr = CONFIG_ENV_ADDR; /* Check OneNAND exist */ - if (onenand_mtd.writesize) + if (mtd->writesize) /* Ignore read fail */ - onenand_read(&onenand_mtd, env_addr, onenand_mtd.writesize, + mtd->read(mtd, env_addr, ONENAND_MAX_ENV_SIZE, &retlen, (u_char *) env_ptr); else - onenand_mtd.writesize = MAX_ONENAND_PAGESIZE; + mtd->writesize = MAX_ONENAND_PAGESIZE; - if (crc32(0, env_ptr->data, ONENAND_ENV_SIZE(onenand_mtd)) != - env_ptr->crc) + 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(onenand_mtd)); + ONENAND_ENV_SIZE(mtd)); env_ptr->crc = - crc32(0, env_ptr->data, ONENAND_ENV_SIZE(onenand_mtd)); + crc32(0, env_ptr->data, ONENAND_ENV_SIZE(mtd)); } gd->env_addr = (ulong) & env_ptr->data; @@ -89,7 +90,8 @@ void env_relocate_spec(void) int saveenv(void) { - unsigned long env_addr = CONFIG_ENV_ADDR; + struct mtd_info *mtd = &onenand_mtd; + loff_t env_addr = CONFIG_ENV_ADDR; struct erase_info instr = { .callback = NULL, }; @@ -97,17 +99,16 @@ int saveenv(void) instr.len = CONFIG_ENV_SIZE; instr.addr = env_addr; - instr.mtd = &onenand_mtd; - if (onenand_erase(&onenand_mtd, &instr)) { + instr.mtd = mtd; + if (mtd->erase(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)); + env_ptr->crc = crc32(0, env_ptr->data, ONENAND_ENV_SIZE(mtd)); - if (onenand_write(&onenand_mtd, env_addr, onenand_mtd.writesize, &retlen, + 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; |