1 /* 2 * (C) Copyright 2009 SAMSUNG Electronics 3 * Minkyu Kang <mk7.kang@samsung.com> 4 * Portions Copyright (C) 2011-2012 NVIDIA Corporation 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #ifndef __TEGRA_MMC_H_ 10 #define __TEGRA_MMC_H_ 11 12 #include <fdtdec.h> 13 14 /* for mmc_config definition */ 15 #include <mmc.h> 16 17 #define MAX_HOSTS 4 /* Max number of 'hosts'/controllers */ 18 19 #ifndef __ASSEMBLY__ 20 struct tegra_mmc { 21 unsigned int sysad; /* _SYSTEM_ADDRESS_0 */ 22 unsigned short blksize; /* _BLOCK_SIZE_BLOCK_COUNT_0 15:00 */ 23 unsigned short blkcnt; /* _BLOCK_SIZE_BLOCK_COUNT_0 31:16 */ 24 unsigned int argument; /* _ARGUMENT_0 */ 25 unsigned short trnmod; /* _CMD_XFER_MODE_0 15:00 xfer mode */ 26 unsigned short cmdreg; /* _CMD_XFER_MODE_0 31:16 cmd reg */ 27 unsigned int rspreg0; /* _RESPONSE_R0_R1_0 CMD RESP 31:00 */ 28 unsigned int rspreg1; /* _RESPONSE_R2_R3_0 CMD RESP 63:32 */ 29 unsigned int rspreg2; /* _RESPONSE_R4_R5_0 CMD RESP 95:64 */ 30 unsigned int rspreg3; /* _RESPONSE_R6_R7_0 CMD RESP 127:96 */ 31 unsigned int bdata; /* _BUFFER_DATA_PORT_0 */ 32 unsigned int prnsts; /* _PRESENT_STATE_0 */ 33 unsigned char hostctl; /* _POWER_CONTROL_HOST_0 7:00 */ 34 unsigned char pwrcon; /* _POWER_CONTROL_HOST_0 15:8 */ 35 unsigned char blkgap; /* _POWER_CONTROL_HOST_9 23:16 */ 36 unsigned char wakcon; /* _POWER_CONTROL_HOST_0 31:24 */ 37 unsigned short clkcon; /* _CLOCK_CONTROL_0 15:00 */ 38 unsigned char timeoutcon; /* _TIMEOUT_CTRL 23:16 */ 39 unsigned char swrst; /* _SW_RESET_ 31:24 */ 40 unsigned int norintsts; /* _INTERRUPT_STATUS_0 */ 41 unsigned int norintstsen; /* _INTERRUPT_STATUS_ENABLE_0 */ 42 unsigned int norintsigen; /* _INTERRUPT_SIGNAL_ENABLE_0 */ 43 unsigned short acmd12errsts; /* _AUTO_CMD12_ERR_STATUS_0 15:00 */ 44 unsigned char res1[2]; /* _RESERVED 31:16 */ 45 unsigned int capareg; /* _CAPABILITIES_0 */ 46 unsigned char res2[4]; /* RESERVED, offset 44h-47h */ 47 unsigned int maxcurr; /* _MAXIMUM_CURRENT_0 */ 48 unsigned char res3[4]; /* RESERVED, offset 4Ch-4Fh */ 49 unsigned short setacmd12err; /* offset 50h */ 50 unsigned short setinterr; /* offset 52h */ 51 unsigned char admaerr; /* offset 54h */ 52 unsigned char res4[3]; /* RESERVED, offset 55h-57h */ 53 unsigned long admaaddr; /* offset 58h-5Fh */ 54 unsigned char res5[0xa0]; /* RESERVED, offset 60h-FBh */ 55 unsigned short slotintstatus; /* offset FCh */ 56 unsigned short hcver; /* HOST Version */ 57 unsigned int venclkctl; /* _VENDOR_CLOCK_CNTRL_0, 100h */ 58 unsigned int venspictl; /* _VENDOR_SPI_CNTRL_0, 104h */ 59 unsigned int venspiintsts; /* _VENDOR_SPI_INT_STATUS_0, 108h */ 60 unsigned int venceatactl; /* _VENDOR_CEATA_CNTRL_0, 10Ch */ 61 unsigned int venbootctl; /* _VENDOR_BOOT_CNTRL_0, 110h */ 62 unsigned int venbootacktout; /* _VENDOR_BOOT_ACK_TIMEOUT, 114h */ 63 unsigned int venbootdattout; /* _VENDOR_BOOT_DAT_TIMEOUT, 118h */ 64 unsigned int vendebouncecnt; /* _VENDOR_DEBOUNCE_COUNT_0, 11Ch */ 65 unsigned int venmiscctl; /* _VENDOR_MISC_CNTRL_0, 120h */ 66 unsigned int res6[47]; /* 0x124 ~ 0x1DC */ 67 unsigned int sdmemcmppadctl; /* _SDMEMCOMPPADCTRL_0, 1E0h */ 68 unsigned int autocalcfg; /* _AUTO_CAL_CONFIG_0, 1E4h */ 69 unsigned int autocalintval; /* _AUTO_CAL_INTERVAL_0, 1E8h */ 70 unsigned int autocalsts; /* _AUTO_CAL_STATUS_0, 1ECh */ 71 }; 72 73 #define TEGRA_MMC_PWRCTL_SD_BUS_POWER (1 << 0) 74 #define TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V1_8 (5 << 1) 75 #define TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V3_0 (6 << 1) 76 #define TEGRA_MMC_PWRCTL_SD_BUS_VOLTAGE_V3_3 (7 << 1) 77 78 #define TEGRA_MMC_HOSTCTL_DMASEL_MASK (3 << 3) 79 #define TEGRA_MMC_HOSTCTL_DMASEL_SDMA (0 << 3) 80 #define TEGRA_MMC_HOSTCTL_DMASEL_ADMA2_32BIT (2 << 3) 81 #define TEGRA_MMC_HOSTCTL_DMASEL_ADMA2_64BIT (3 << 3) 82 83 #define TEGRA_MMC_TRNMOD_DMA_ENABLE (1 << 0) 84 #define TEGRA_MMC_TRNMOD_BLOCK_COUNT_ENABLE (1 << 1) 85 #define TEGRA_MMC_TRNMOD_DATA_XFER_DIR_SEL_WRITE (0 << 4) 86 #define TEGRA_MMC_TRNMOD_DATA_XFER_DIR_SEL_READ (1 << 4) 87 #define TEGRA_MMC_TRNMOD_MULTI_BLOCK_SELECT (1 << 5) 88 89 #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_MASK (3 << 0) 90 #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_NO_RESPONSE (0 << 0) 91 #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_136 (1 << 0) 92 #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_48 (2 << 0) 93 #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_48_BUSY (3 << 0) 94 95 #define TEGRA_MMC_TRNMOD_CMD_CRC_CHECK (1 << 3) 96 #define TEGRA_MMC_TRNMOD_CMD_INDEX_CHECK (1 << 4) 97 #define TEGRA_MMC_TRNMOD_DATA_PRESENT_SELECT_DATA_TRANSFER (1 << 5) 98 99 #define TEGRA_MMC_PRNSTS_CMD_INHIBIT_CMD (1 << 0) 100 #define TEGRA_MMC_PRNSTS_CMD_INHIBIT_DAT (1 << 1) 101 102 #define TEGRA_MMC_CLKCON_INTERNAL_CLOCK_ENABLE (1 << 0) 103 #define TEGRA_MMC_CLKCON_INTERNAL_CLOCK_STABLE (1 << 1) 104 #define TEGRA_MMC_CLKCON_SD_CLOCK_ENABLE (1 << 2) 105 106 #define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_SHIFT 8 107 #define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_MASK (0xff << 8) 108 109 #define TEGRA_MMC_SWRST_SW_RESET_FOR_ALL (1 << 0) 110 #define TEGRA_MMC_SWRST_SW_RESET_FOR_CMD_LINE (1 << 1) 111 #define TEGRA_MMC_SWRST_SW_RESET_FOR_DAT_LINE (1 << 2) 112 113 #define TEGRA_MMC_NORINTSTS_CMD_COMPLETE (1 << 0) 114 #define TEGRA_MMC_NORINTSTS_XFER_COMPLETE (1 << 1) 115 #define TEGRA_MMC_NORINTSTS_DMA_INTERRUPT (1 << 3) 116 #define TEGRA_MMC_NORINTSTS_ERR_INTERRUPT (1 << 15) 117 #define TEGRA_MMC_NORINTSTS_CMD_TIMEOUT (1 << 16) 118 119 #define TEGRA_MMC_NORINTSTSEN_CMD_COMPLETE (1 << 0) 120 #define TEGRA_MMC_NORINTSTSEN_XFER_COMPLETE (1 << 1) 121 #define TEGRA_MMC_NORINTSTSEN_DMA_INTERRUPT (1 << 3) 122 #define TEGRA_MMC_NORINTSTSEN_BUFFER_WRITE_READY (1 << 4) 123 #define TEGRA_MMC_NORINTSTSEN_BUFFER_READ_READY (1 << 5) 124 125 #define TEGRA_MMC_NORINTSIGEN_XFER_COMPLETE (1 << 1) 126 127 /* SDMMC1/3 settings from section 24.6 of T30 TRM */ 128 #define MEMCOMP_PADCTRL_VREF 7 129 #define AUTO_CAL_ENABLED (1 << 29) 130 #define AUTO_CAL_PD_OFFSET (0x70 << 8) 131 #define AUTO_CAL_PU_OFFSET (0x62 << 0) 132 133 struct mmc_host { 134 struct tegra_mmc *reg; 135 int id; /* device id/number, 0-3 */ 136 int enabled; /* 1 to enable, 0 to disable */ 137 int width; /* Bus Width, 1, 4 or 8 */ 138 enum periph_id mmc_id; /* Peripheral ID: PERIPH_ID_... */ 139 struct fdt_gpio_state cd_gpio; /* Change Detect GPIO */ 140 struct fdt_gpio_state pwr_gpio; /* Power GPIO */ 141 struct fdt_gpio_state wp_gpio; /* Write Protect GPIO */ 142 unsigned int version; /* SDHCI spec. version */ 143 unsigned int clock; /* Current clock (MHz) */ 144 struct mmc_config cfg; /* mmc configuration */ 145 }; 146 147 void pad_init_mmc(struct mmc_host *host); 148 149 #endif /* __ASSEMBLY__ */ 150 #endif /* __TEGRA_MMC_H_ */ 151