From 2b74433f365fa677a60431a80e524b5d8d04e995 Mon Sep 17 00:00:00 2001 From: Joe Hershberger Date: Mon, 8 Apr 2013 10:32:51 +0000 Subject: env: Add support for UBI environment UBI is a better place for the environment on NAND devices because it handles wear-leveling and bad blocks. Gluebi is needed in Linux to access the env as an MTD partition. Signed-off-by: Joe Hershberger --- tools/env/fw_env.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'tools/env/fw_env.c') diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index bf30234190c..0dee6826292 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -968,7 +968,8 @@ static int flash_read (int fd) } if (mtdinfo.type != MTD_NORFLASH && mtdinfo.type != MTD_NANDFLASH && - mtdinfo.type != MTD_DATAFLASH) { + mtdinfo.type != MTD_DATAFLASH && + mtdinfo.type != MTD_UBIVOLUME) { fprintf (stderr, "Unsupported flash type %u on %s\n", mtdinfo.type, DEVNAME(dev_current)); return -1; -- cgit v1.2.3 From 785881f775252940185e10fbb2d5299c9ffa6bce Mon Sep 17 00:00:00 2001 From: Joe Hershberger Date: Mon, 8 Apr 2013 10:32:52 +0000 Subject: env: Add redundant env support to UBI env Allow the user to specify two UBI volumes to use for the environment Signed-off-by: Joe Hershberger --- tools/env/fw_env.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'tools/env/fw_env.c') diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index 0dee6826292..01fc1d4e574 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -1149,6 +1149,9 @@ int fw_env_open(void) } else if (DEVTYPE(dev_current) == MTD_DATAFLASH && DEVTYPE(!dev_current) == MTD_DATAFLASH) { environment.flag_scheme = FLAG_BOOLEAN; + } else if (DEVTYPE(dev_current) == MTD_UBIVOLUME && + DEVTYPE(!dev_current) == MTD_UBIVOLUME) { + environment.flag_scheme = FLAG_INCREMENTAL; } else { fprintf (stderr, "Incompatible flash types!\n"); return -1; -- cgit v1.2.3