diff options
| author | Richard Zhu <r65037@freescale.com> | 2010-07-23 16:38:06 +0800 |
|---|---|---|
| committer | Frank Li <Frank.Li@freescale.com> | 2011-04-01 11:33:10 +0800 |
| commit | 88e349106bf8abeaef4873af6e33a9b98697ff4d (patch) | |
| tree | 3c41f428253ff474381634679af5fc18fcccb124 /include | |
| parent | 04d344497e1ba22b444bdff494e51daff440ef10 (diff) | |
ENGR00125411 eMMC: Boot Partition switch func used in MFG tool
User can get eMMC partitions info from user space layer in
linux OS enviroment.
User can do switch operations between the eMMC boot partitions
and the user partition.
User can access the eMMC boot partitions from user space layer
in linux OS enviroment.
NOTE:This func had been verified on TOSHIBA eMMC44 card only.
Signed-off-by: Richard Zhu <r65037@freescale.com>
Signed-off-by: Rob Herring <r.herring@freescale.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmc/card.h | 4 | ||||
| -rw-r--r-- | include/linux/mmc/mmc.h | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 8ce082781ccb..40a22ea81c3b 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -54,6 +54,10 @@ struct mmc_ext_csd { unsigned int sec_trim_mult; /* Secure trim multiplier */ unsigned int sec_erase_mult; /* Secure erase multiplier */ unsigned int trim_timeout; /* In milliseconds */ +#define MMC_DDR_MODE_MASK (0x3<<2) + unsigned char boot_info; + unsigned char boot_size_mult; + unsigned char boot_config; }; struct sd_scr { diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index 612301f85d14..e57b7e5069d0 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -268,6 +268,9 @@ struct _mmc_csd { #define EXT_CSD_SEC_ERASE_MULT 230 /* RO */ #define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */ #define EXT_CSD_TRIM_MULT 232 /* RO */ +#define EXT_CSD_BOOT_CONFIG 179 /* R/W */ +#define EXT_CSD_BOOT_SIZE_MULT 226 /* RO, 1 bytes */ +#define EXT_CSD_BOOT_INFO 228 /* RO, 1 bytes */ /* * EXT_CSD field definitions @@ -297,6 +300,8 @@ struct _mmc_csd { #define EXT_CSD_SEC_BD_BLK_EN BIT(2) #define EXT_CSD_SEC_GB_CL_EN BIT(4) +#define EXT_CSD_BOOT_PARTITION_ACCESS_MASK (0x3) + /* * MMC_SWITCH access modes */ |