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FIX: [uboot] support for new kingston emmc 

BugzID: 44884
This commit is contained in:
Marcel Reichmuth 2018-04-05 11:15:37 +02:00 committed by Moritz Rosenthal
parent adc75fb180
commit a8b758b889
2 changed files with 8 additions and 14 deletions
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20
drivers/mmc/mmc.c
View File

@ -424,26 +424,12 @@ static int mmc_send_op_cond_iter(struct mmc *mmc, struct mmc_cmd *cmd,
int mmc_send_op_cond(struct mmc *mmc)
{
struct mmc_cmd cmd;
int err, i;
/* Some cards seem to need this */
mmc_go_idle(mmc);
/* Asking to the card its capabilities */
mmc->op_cond_pending = 1;
for (i = 0; i < 2; i++) {
err = mmc_send_op_cond_iter(mmc, &cmd, i != 0);
if (err)
return err;
/* exit if not busy (flag seems to be inverted) and it is not the first command*/
if (i && mmc->op_cond_response & OCR_BUSY) {
mmc->op_cond_pending = 0; /* op_cond compilted */
return 0;
}
udelay(1000);
}
return IN_PROGRESS;
}
@ -1016,6 +1002,12 @@ static int mmc_startup(struct mmc *mmc)
case 6:
mmc->version = MMC_VERSION_4_5;
break;
case 7:
mmc->version = MMC_VERSION_5_0;
break;
case 8:
mmc->version = MMC_VERSION_5_1;
break;
}
/*

2
include/mmc.h
View File

@ -46,6 +46,8 @@
#define MMC_VERSION_4_3 (MMC_VERSION_MMC | 0x403)
#define MMC_VERSION_4_41 (MMC_VERSION_MMC | 0x429)
#define MMC_VERSION_4_5 (MMC_VERSION_MMC | 0x405)
#define MMC_VERSION_5_0 (MMC_VERSION_MMC | 0x500)
#define MMC_VERSION_5_1 (MMC_VERSION_MMC | 0x501)
#define MMC_MODE_HS 0x001
#define MMC_MODE_HS_52MHz 0x010