Tegra: MMC: Added/update SDMMC registers/base addresses for T20/T30

Removed SDMMC base addresses from tegra.h since they're no longer used.
Added additional vendor-specific SD/MMC registers and bus power defines.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>

diff --git a/arch/arm/include/asm/arch-tegra/tegra_mmc.h b/arch/arm/include/asm/arch-tegra/tegra_mmc.h
index bd18f5f..2a3f830 100644 (file)
--- a/arch/arm/include/asm/arch-tegra/tegra_mmc.h
+++ b/arch/arm/include/asm/arch-tegra/tegra_mmc.h
@@ -22,10 +22,7 @@
 #ifndef __TEGRA_MMC_H_
 #define __TEGRA_MMC_H_
 
-#define TEGRA_SDMMC1_BASE      0xC8000000
-#define TEGRA_SDMMC2_BASE      0xC8000200
-#define TEGRA_SDMMC3_BASE      0xC8000400
-#define TEGRA_SDMMC4_BASE      0xC8000600
+#include <fdtdec.h>
 
 #define MAX_HOSTS              4       /* Max number of 'hosts'/controllers */
 
@@ -64,12 +61,30 @@ struct tegra_mmc {
        unsigned char   admaerr;        /* offset 54h */
        unsigned char   res4[3];        /* RESERVED, offset 55h-57h */
        unsigned long   admaaddr;       /* offset 58h-5Fh */
-       unsigned char   res5[0x9c];     /* RESERVED, offset 60h-FBh */
+       unsigned char   res5[0xa0];     /* RESERVED, offset 60h-FBh */
        unsigned short  slotintstatus;  /* offset FCh */
        unsigned short  hcver;          /* HOST Version */
-       unsigned char   res6[0x100];    /* RESERVED, offset 100h-1FFh */
+       unsigned int    venclkctl;      /* _VENDOR_CLOCK_CNTRL_0,    100h */
+       unsigned int    venspictl;      /* _VENDOR_SPI_CNTRL_0,      104h */
+       unsigned int    venspiintsts;   /* _VENDOR_SPI_INT_STATUS_0, 108h */
+       unsigned int    venceatactl;    /* _VENDOR_CEATA_CNTRL_0,    10Ch */
+       unsigned int    venbootctl;     /* _VENDOR_BOOT_CNTRL_0,     110h */
+       unsigned int    venbootacktout; /* _VENDOR_BOOT_ACK_TIMEOUT, 114h */
+       unsigned int    venbootdattout; /* _VENDOR_BOOT_DAT_TIMEOUT, 118h */
+       unsigned int    vendebouncecnt; /* _VENDOR_DEBOUNCE_COUNT_0, 11Ch */
+       unsigned int    venmiscctl;     /* _VENDOR_MISC_CNTRL_0,     120h */
+       unsigned int    res6[47];       /* 0x124 ~ 0x1DC */
+       unsigned int    sdmemcmppadctl; /* _SDMEMCOMPPADCTRL_0,      1E0h */
+       unsigned int    autocalcfg;     /* _AUTO_CAL_CONFIG_0,       1E4h */
+       unsigned int    autocalintval;  /* _AUTO_CAL_INTERVAL_0,     1E8h */
+       unsigned int    autocalsts;     /* _AUTO_CAL_STATUS_0,       1ECh */
 };
 
+#define TEGRA_MMC_PWRCTL_SD_BUS_POWER                          (1 << 0)
+#define TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V1_8                   (5 << 1)
+#define TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V3_0                   (6 << 1)
+#define TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V3_3                   (7 << 1)
+
 #define TEGRA_MMC_HOSTCTL_DMASEL_MASK                          (3 << 3)
 #define TEGRA_MMC_HOSTCTL_DMASEL_SDMA                          (0 << 3)
 #define TEGRA_MMC_HOSTCTL_DMASEL_ADMA2_32BIT                   (2 << 3)
@@ -119,6 +134,12 @@ struct tegra_mmc {
 
 #define TEGRA_MMC_NORINTSIGEN_XFER_COMPLETE                    (1 << 1)
 
+/* SDMMC1/3 settings from section 24.6 of T30 TRM */
+#define MEMCOMP_PADCTRL_VREF   7
+#define AUTO_CAL_ENABLED       (1 << 29)
+#define AUTO_CAL_PD_OFFSET     (0x70 << 8)
+#define AUTO_CAL_PU_OFFSET     (0x62 << 0)
+
 struct mmc_host {
        struct tegra_mmc *reg;
        int id;                 /* device id/number, 0-3 */
@@ -132,5 +153,7 @@ struct mmc_host {
        unsigned int clock;     /* Current clock (MHz) */
 };
 
+void pad_init_mmc(struct mmc_host *host);
+
 #endif /* __ASSEMBLY__ */
 #endif /* __TEGRA_MMC_H_ */