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mmc: extend mmcinfo output to show partition write reliability settings

Browse source 
This extends the mmcinfo hardware partition info output to show
partitions with write reliability enabled with the "WRREL" string.
If the partition does not have write reliability enabled the "WRREL"
string is omitted; this is analogous to the ehhanced attribute.

Example output:

Device: OMAP SD/MMC
Manufacturer ID: fe
OEM: 14e
Name: MMC16
Tran Speed: 52000000
Rd Block Len: 512
MMC version 4.41
High Capacity: Yes
Capacity: 13.8 GiB
Bus Width: 4-bit
Erase Group Size: 8 MiB
HC WP Group Size: 16 MiB
User Capacity: 13.8 GiB ENH WRREL
User Enhanced Start: 0 Bytes
User Enhanced Size: 512 MiB
Boot Capacity: 16 MiB ENH
RPMB Capacity: 128 KiB ENH
GP1 Capacity: 64 MiB ENH WRREL
GP2 Capacity: 64 MiB ENH WRREL

Signed-off-by: Diego Santa Cruz <Diego.SantaCruz@spinetix.com>
This commit is contained in:
Diego Santa Cruz 2014-12-23 10:50:33 +01:00 committed by Pantelis Antoniou
parent 189f963ac8
commit 9e41a00b57
3 changed files with 13 additions and 2 deletions
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12
common/cmd_mmc.c
View file

@ -106,7 +106,11 @@ static void print_mmcinfo(struct mmc *mmc)
print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
puts("User Capacity: ");
print_size(mmc->capacity_user, usr_enh ? " ENH\n" : "\n");
print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
puts(" WRREL\n");
else
putc('\n');
if (usr_enh) {
puts("User Enhanced Start: ");
print_size(mmc->enh_user_start, "\n");
@ -124,7 +128,11 @@ static void print_mmcinfo(struct mmc *mmc)
if (mmc->capacity_gp[i]) {
printf("GP%i Capacity: ", i+1);
print_size(mmc->capacity_gp[i],
is_enh ? " ENH\n" : "\n");
is_enh ? " ENH" : "");
if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i))
puts(" WRREL\n");
else
putc('\n');
}
}
}

2
drivers/mmc/mmc.c
View file

@ -1306,6 +1306,8 @@ static int mmc_startup(struct mmc *mmc)
mmc->hc_wp_grp_size = 1024
* ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]
* ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
mmc->wr_rel_set = ext_csd[EXT_CSD_WR_REL_SET];
}
err = mmc_set_capacity(mmc, mmc->part_num);

1
include/mmc.h
View file

@ -318,6 +318,7 @@ struct mmc {
ushort rca;
u8 part_support;
u8 part_attr;
u8 wr_rel_set;
char part_config;
char part_num;
uint tran_speed;