diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-xenon.h')
| -rw-r--r-- | drivers/mmc/host/sdhci-xenon.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-xenon.h b/drivers/mmc/host/sdhci-xenon.h index 813585b45e8d..b29d45358de8 100644 --- a/drivers/mmc/host/sdhci-xenon.h +++ b/drivers/mmc/host/sdhci-xenon.h @@ -24,15 +24,32 @@ #define XENON_SYS_EXT_OP_CTRL 0x010C #define XENON_MASK_CMD_CONFLICT_ERR BIT(8) +#define XENON_SLOT_OP_STATUS_CTRL 0x0128 +#define XENON_TUN_CONSECUTIVE_TIMES_SHIFT 16 +#define XENON_TUN_CONSECUTIVE_TIMES_MASK 0x7 +#define XENON_TUN_CONSECUTIVE_TIMES 0x4 +#define XENON_TUNING_STEP_SHIFT 12 +#define XENON_TUNING_STEP_MASK 0xF +#define XENON_TUNING_STEP_DIVIDER BIT(6) + +#define XENON_SLOT_EMMC_CTRL 0x0130 +#define XENON_ENABLE_DATA_STROBE BIT(24) + #define XENON_SLOT_RETUNING_REQ_CTRL 0x0144 /* retuning compatible */ #define XENON_RETUNING_COMPATIBLE 0x1 +#define XENON_SLOT_EXT_PRESENT_STATE 0x014C +#define XENON_DLL_LOCK_STATE 0x1 + +#define XENON_SLOT_DLL_CUR_DLY_VAL 0x0150 + /* Tuning Parameter */ #define XENON_TMR_RETUN_NO_PRESENT 0xF #define XENON_DEF_TUNING_COUNT 0x9 #define XENON_DEFAULT_SDCLK_FREQ 400000 +#define XENON_LOWEST_SDCLK_FREQ 100000 /* Xenon specific Mode Select value */ #define XENON_CTRL_HS200 0x5 @@ -55,6 +72,28 @@ struct xenon_priv { * initialization completes. */ unsigned int init_card_type; + + /* + * The bus_width, timing, and clock fields in below + * record the current ios setting of Xenon SDHC. + * Driver will adjust PHY setting if any change to + * ios affects PHY timing. + */ + unsigned char bus_width; + unsigned char timing; + unsigned int clock; + + int phy_type; + /* + * Contains board-specific PHY parameters + * passed from device tree. + */ + void *phy_params; + struct xenon_emmc_phy_regs *emmc_phy_regs; }; +int xenon_phy_adj(struct sdhci_host *host, struct mmc_ios *ios); +void xenon_clean_phy(struct sdhci_host *host); +int xenon_phy_parse_dt(struct device_node *np, + struct sdhci_host *host); #endif |