summaryrefslogtreecommitdiff
path: root/packages/u-boot/u-boot-mkimage-openmoko-native/default-env.patch
diff options
context:
space:
mode:
Diffstat (limited to 'packages/u-boot/u-boot-mkimage-openmoko-native/default-env.patch')
-rw-r--r--packages/u-boot/u-boot-mkimage-openmoko-native/default-env.patch101
1 files changed, 101 insertions, 0 deletions
diff --git a/packages/u-boot/u-boot-mkimage-openmoko-native/default-env.patch b/packages/u-boot/u-boot-mkimage-openmoko-native/default-env.patch
new file mode 100644
index 0000000000..b9ae4f29fe
--- /dev/null
+++ b/packages/u-boot/u-boot-mkimage-openmoko-native/default-env.patch
@@ -0,0 +1,101 @@
+common/env_common.c (default_env): new function that resets the environment to
+ the default value
+common/env_common.c (env_relocate): use default_env instead of own copy
+common/env_nand.c (env_relocate_spec): use default_env instead of own copy
+include/environment.h: added default_env prototype
+
+- Werner Almesberger <werner@openmoko.org>
+
+Index: u-boot/common/env_common.c
+===================================================================
+--- u-boot.orig/common/env_common.c
++++ u-boot/common/env_common.c
+@@ -202,6 +202,25 @@ uchar *env_get_addr (int index)
+ }
+ }
+
++void default_env(void)
++{
++ if (sizeof(default_environment) > ENV_SIZE)
++ {
++ puts ("*** Error - default environment is too large\n\n");
++ return;
++ }
++
++ memset (env_ptr, 0, sizeof(env_t));
++ memcpy (env_ptr->data,
++ default_environment,
++ sizeof(default_environment));
++#ifdef CFG_REDUNDAND_ENVIRONMENT
++ env_ptr->flags = 0xFF;
++#endif
++ env_crc_update ();
++ gd->env_valid = 1;
++}
++
+ void env_relocate (void)
+ {
+ DEBUGF ("%s[%d] offset = 0x%lx\n", __FUNCTION__,__LINE__,
+@@ -245,23 +264,8 @@ void env_relocate (void)
+ gd->env_valid = 0;
+ #endif
+
+- if (gd->env_valid == 0) {
+- if (sizeof(default_environment) > ENV_SIZE)
+- {
+- puts ("*** Error - default environment is too large\n\n");
+- return;
+- }
+-
+- memset (env_ptr, 0, sizeof(env_t));
+- memcpy (env_ptr->data,
+- default_environment,
+- sizeof(default_environment));
+-#ifdef CFG_REDUNDAND_ENVIRONMENT
+- env_ptr->flags = 0xFF;
+-#endif
+- env_crc_update ();
+- gd->env_valid = 1;
+- }
++ if (gd->env_valid == 0)
++ default_env();
+ else {
+ env_relocate_spec ();
+ }
+Index: u-boot/common/env_nand.c
+===================================================================
+--- u-boot.orig/common/env_nand.c
++++ u-boot/common/env_nand.c
+@@ -313,19 +313,7 @@ void env_relocate_spec (void)
+ static void use_default()
+ {
+ puts ("*** Warning - bad CRC or NAND, using default environment\n\n");
+-
+- if (default_environment_size > CFG_ENV_SIZE){
+- puts ("*** Error - default environment is too large\n\n");
+- return;
+- }
+-
+- memset (env_ptr, 0, sizeof(env_t));
+- memcpy (env_ptr->data,
+- default_environment,
+- default_environment_size);
+- env_ptr->crc = crc32(0, env_ptr->data, ENV_SIZE);
+- gd->env_valid = 1;
+-
++ default_env();
+ }
+ #endif
+
+Index: u-boot/include/environment.h
+===================================================================
+--- u-boot.orig/include/environment.h
++++ u-boot/include/environment.h
+@@ -107,4 +107,7 @@ typedef struct environment_s {
+ unsigned char data[ENV_SIZE]; /* Environment data */
+ } env_t;
+
++
++void default_env(void);
++
+ #endif /* _ENVIRONMENT_H_ */