diff options
| author | Jerry Huang <Chang-Ming.Huang@freescale.com> | 2010-01-12 16:36:22 +0800 |
|---|---|---|
| committer | Scott Sweeny <scott.sweeny@timesys.com> | 2010-09-29 17:32:28 -0400 |
| commit | bba7ca13f590e8122cd8c49c6b62ae836c9338a6 (patch) | |
| tree | 2bc4ba0266d28f78eeb83cd9f6b46689e9aa71f8 | |
| parent | e61832310c9f1094c7ded1d37aee60858f000532 (diff) | |
P1022: Auto CMD12 support for eSDHC driver of p1022ds
Auto CMD12 command support for P1022DS eSDHC driver.
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
| -rw-r--r-- | drivers/mmc/fsl_esdhc.c | 10 | ||||
| -rw-r--r-- | include/configs/P1022DS.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 48e7830bd3..9812b00e62 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -78,6 +78,10 @@ uint esdhc_xfertyp(struct mmc_cmd *cmd, struct mmc_data *data) if (data->blocks > 1) { xfertyp |= XFERTYP_MSBSEL; xfertyp |= XFERTYP_BCEN; +#ifdef CONFIG_FSL_ESDHC_AUTOCMD12 + /* For P1022 errata */ + xfertyp |= XFERTYP_AC12EN; +#endif } if (data->flags & MMC_DATA_READ) @@ -155,6 +159,12 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) uint irqstat; volatile struct fsl_esdhc *regs = mmc->priv; +#ifdef CONFIG_FSL_ESDHC_AUTOCMD12 + /* For P1022 errata */ + if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) + return 0; +#endif + out_be32(®s->irqstat, -1); sync(); diff --git a/include/configs/P1022DS.h b/include/configs/P1022DS.h index 85c7a94a61..52e7720f6d 100644 --- a/include/configs/P1022DS.h +++ b/include/configs/P1022DS.h @@ -551,6 +551,7 @@ extern unsigned long calculate_board_ddr_clk(unsigned long dummy); #ifdef CONFIG_MMC #define CONFIG_CMD_MMC #define CONFIG_FSL_ESDHC +#define CONFIG_FSL_ESDHC_AUTOCMD12 #define CONFIG_GENERIC_MMC #define CONFIG_SYS_FSL_ESDHC_ADDR CONFIG_SYS_MPC85xx_ESDHC_ADDR #endif |