diff options
Diffstat (limited to 'board/nvidia/common/board.c')
| -rw-r--r-- | board/nvidia/common/board.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index babbe08..7d9f361 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -49,6 +49,7 @@ #include <asm/arch-tegra/usb.h> #endif #ifdef CONFIG_TEGRA_MMC +#include <asm/arch-tegra/tegra_mmc.h> #include <asm/arch-tegra/mmc.h> #endif #include <i2c.h> @@ -245,4 +246,32 @@ int board_mmc_init(bd_t *bd) return 0; } -#endif + +void pad_init_mmc(struct mmc_host *host) +{ +#if defined(CONFIG_TEGRA30) + enum periph_id id = host->mmc_id; + u32 val; + + debug("%s: sdmmc address = %08x, id = %d\n", __func__, + (unsigned int)host->reg, id); + + /* Set the pad drive strength for SDMMC1 or 3 only */ + if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) { + debug("%s: settings are only valid for SDMMC1/SDMMC3!\n", + __func__); + return; + } + + val = readl(&host->reg->sdmemcmppadctl); + val &= 0xFFFFFFF0; + val |= MEMCOMP_PADCTRL_VREF; + writel(val, &host->reg->sdmemcmppadctl); + + val = readl(&host->reg->autocalcfg); + val &= 0xFFFF0000; + val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED; + writel(val, &host->reg->autocalcfg); +#endif /* T30 */ +} +#endif /* MMC */ |