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authorKyungmin Park <kmpark@infradead.org>2009-07-11 16:49:55 +0900
committerScott Wood <scottwood@freescale.com>2009-07-16 17:52:00 -0500
commit937076f84c5064f0a79105fce352ac7cf7b33643 (patch)
treec8a3e88cb07c7770db72050d358c33884131d49a /common/env_onenand.c
parentbfadb17f69c256196620c32164775f063a59c34f (diff)
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MTD: OneNAND: Increase the environment size to 4KiB
Also use mtd operation instead of onenand functions Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'common/env_onenand.c')
-rw-r--r--common/env_onenand.c35
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;