diff options
| author | Alexander Aring <a.aring@phytec.de> | 2011-12-21 08:50:30 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-12-21 12:48:08 +0100 |
| commit | 659f150e90d8bfcf8aa4c51bd3ab552f42e288f0 (patch) | |
| tree | 20f239795617794eaca566b321825d0b7da36283 /drivers/mci/omap_hsmmc.c | |
| parent | 8658e6a9528c7e65bf7a3732d815f662c9c8ed11 (diff) | |
| download | barebox-659f150e90d8bfcf8aa4c51bd3ab552f42e288f0.tar.gz barebox-659f150e90d8bfcf8aa4c51bd3ab552f42e288f0.tar.xz | |
omap_hsmmc: setup mmc voltage on twl6030
Support the setup of the mmc voltage, when booting OMAP4 with twl6030
from nand.
Signed-off-by: Alexander Aring <a.aring@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/mci/omap_hsmmc.c')
| -rw-r--r-- | drivers/mci/omap_hsmmc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/mci/omap_hsmmc.c b/drivers/mci/omap_hsmmc.c index d171c1dcf7..e671bbea73 100644 --- a/drivers/mci/omap_hsmmc.c +++ b/drivers/mci/omap_hsmmc.c @@ -33,6 +33,12 @@ #include <mach/omap_hsmmc.h> +#if defined(CONFIG_I2C_TWL6030) && \ + defined(CONFIG_MCI_OMAP_HSMMC) && \ + defined(CONFIG_ARCH_OMAP4) +#include <mach/omap4_twl6030_mmc.h> +#endif + struct hsmmc { unsigned char res1[0x10]; unsigned int sysconfig; /* 0x10 */ @@ -215,6 +221,17 @@ static int mmc_init_setup(struct mci_host *mci, struct device_d *dev) unsigned int dsor; uint64_t start; +/* + * Fix voltage for mmc, if booting from nand. + * It's necessary to do this here, because + * you need to set up this at probetime. + */ +#if defined(CONFIG_I2C_TWL6030) && \ + defined(CONFIG_MCI_OMAP_HSMMC) && \ + defined(CONFIG_ARCH_OMAP4) + set_up_mmc_voltage_omap4(); +#endif + writel(readl(&mmc_base->sysconfig) | MMC_SOFTRESET, &mmc_base->sysconfig); |