diff options
| -rw-r--r-- | doc/README.fsl-esdhc | 1 | ||||
| -rw-r--r-- | drivers/mmc/fsl_esdhc.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/doc/README.fsl-esdhc b/doc/README.fsl-esdhc index b70f271d1a..619c6b2d07 100644 --- a/doc/README.fsl-esdhc +++ b/doc/README.fsl-esdhc @@ -1,5 +1,6 @@ CONFIG_SYS_FSL_ESDHC_LE means ESDHC IP is in little-endian mode. CONFIG_SYS_FSL_ESDHC_BE means ESDHC IP is in big-endian mode. +CONFIG_SYS_FSL_ESDHC_FORCE_VSELECT forces to run at 1.8V. Accessing ESDHC registers can be determined by ESDHC IP's endian mode or processor's endian mode. diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 6a3e147ed2..67ee179f86 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -523,6 +523,10 @@ static int esdhc_init(struct mmc *mmc) /* Set timout to the maximum value */ esdhc_clrsetbits32(®s->sysctl, SYSCTL_TIMEOUT_MASK, 14 << 16); +#ifdef CONFIG_SYS_FSL_ESDHC_FORCE_VSELECT + esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT); +#endif + return 0; } |