From 985186d1f2539c002c8482b2b164d59026d1bea3 Mon Sep 17 00:00:00 2001 From: Hamish Guthrie Date: Wed, 15 May 2019 15:15:55 +0200 Subject: env: ubi: support configurable VID offset Introduce KConfig CONFIG_ENV_UBI_VID_OFFSET to allow providing custom VID header offsets for the environment on UBI. Signed-off-by: Hamish Guthrie Signed-off-by: Markus Klotzbuecher Reviewed-by: Heiko Schocher Cc: Kyungmin Park --- env/Kconfig | 7 +++++++ env/ubi.c | 17 +++++++++++++---- 2 files changed, 20 insertions(+), 4 deletions(-) (limited to 'env') diff --git a/env/Kconfig b/env/Kconfig index 06ab4bc..d86a9bf 100644 --- a/env/Kconfig +++ b/env/Kconfig @@ -516,6 +516,13 @@ config ENV_UBI_VOLUME_REDUND help Name of the redundant volume that you want to store the environment in. +config ENV_UBI_VID_OFFSET + int "ubi environment VID offset" + depends on ENV_IS_IN_UBI + default 0 + help + UBI VID offset for environment. If 0, no custom VID offset is used. + endif config USE_DEFAULT_ENV_FILE diff --git a/env/ubi.c b/env/ubi.c index 1dfdf0a..e4b8516 100644 --- a/env/ubi.c +++ b/env/ubi.c @@ -15,6 +15,15 @@ #include #undef crc32 +#define _QUOTE(x) #x +#define QUOTE(x) _QUOTE(x) + +#if (CONFIG_ENV_UBI_VID_OFFSET == 0) + #define UBI_VID_OFFSET NULL +#else + #define UBI_VID_OFFSET QUOTE(CONFIG_ENV_UBI_VID_OFFSET) +#endif + DECLARE_GLOBAL_DATA_PTR; #ifdef CONFIG_CMD_SAVEENV @@ -28,7 +37,7 @@ static int env_ubi_save(void) if (ret) return ret; - if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) { + if (ubi_part(CONFIG_ENV_UBI_PART, UBI_VID_OFFSET)) { printf("\n** Cannot find mtd partition \"%s\"\n", CONFIG_ENV_UBI_PART); return 1; @@ -70,7 +79,7 @@ static int env_ubi_save(void) if (ret) return ret; - if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) { + if (ubi_part(CONFIG_ENV_UBI_PART, UBI_VID_OFFSET)) { printf("\n** Cannot find mtd partition \"%s\"\n", CONFIG_ENV_UBI_PART); return 1; @@ -111,7 +120,7 @@ static int env_ubi_load(void) tmp_env1 = (env_t *)env1_buf; tmp_env2 = (env_t *)env2_buf; - if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) { + if (ubi_part(CONFIG_ENV_UBI_PART, UBI_VID_OFFSET)) { printf("\n** Cannot find mtd partition \"%s\"\n", CONFIG_ENV_UBI_PART); set_default_env(NULL, 0); @@ -148,7 +157,7 @@ static int env_ubi_load(void) */ memset(buf, 0x0, CONFIG_ENV_SIZE); - if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) { + if (ubi_part(CONFIG_ENV_UBI_PART, UBI_VID_OFFSET)) { printf("\n** Cannot find mtd partition \"%s\"\n", CONFIG_ENV_UBI_PART); set_default_env(NULL, 0); -- cgit v1.1