[U-Boot] [PATCH 4/6] mmc: fsl_esdhc: Add support to force VSELECT set

There are board were we cannot do voltage negotiation but want to set the VSELECT bit forcely to ensure it to work at 1.8V.

This commit adds CONFIG_SYS_FSL_ESDHC_FORCE_VSELECT flag for this use.

Signed-off-by: Otavio Salvador otavio@ossystems.com.br ---

drivers/mmc/fsl_esdhc.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index c75b38f..b3870e2 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -517,6 +517,10 @@ static int esdhc_init(struct mmc *mmc) /* Set timout to the maximum value */ esdhc_clrsetbits32(&regs->sysctl, SYSCTL_TIMEOUT_MASK, 14 << 16);

+#ifdef CONFIG_SYS_FSL_ESDHC_FORCE_VSELECT + esdhc_setbits32(&regs->vendorspec, ESDHC_VENDORSPEC_VSELECT); +#endif + return 0; }