| /* |
| * (C) Copyright 2009 SAMSUNG Electronics |
| * Minkyu Kang <mk7.kang@samsung.com> |
| * Portions Copyright (C) 2011-2012 NVIDIA Corporation |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef __TEGRA_MMC_H_ |
| #define __TEGRA_MMC_H_ |
| |
| #include <fdtdec.h> |
| |
| #define MAX_HOSTS 4 /* Max number of 'hosts'/controllers */ |
| |
| #ifndef __ASSEMBLY__ |
| struct tegra_mmc { |
| unsigned int sysad; /* _SYSTEM_ADDRESS_0 */ |
| unsigned short blksize; /* _BLOCK_SIZE_BLOCK_COUNT_0 15:00 */ |
| unsigned short blkcnt; /* _BLOCK_SIZE_BLOCK_COUNT_0 31:16 */ |
| unsigned int argument; /* _ARGUMENT_0 */ |
| unsigned short trnmod; /* _CMD_XFER_MODE_0 15:00 xfer mode */ |
| unsigned short cmdreg; /* _CMD_XFER_MODE_0 31:16 cmd reg */ |
| unsigned int rspreg0; /* _RESPONSE_R0_R1_0 CMD RESP 31:00 */ |
| unsigned int rspreg1; /* _RESPONSE_R2_R3_0 CMD RESP 63:32 */ |
| unsigned int rspreg2; /* _RESPONSE_R4_R5_0 CMD RESP 95:64 */ |
| unsigned int rspreg3; /* _RESPONSE_R6_R7_0 CMD RESP 127:96 */ |
| unsigned int bdata; /* _BUFFER_DATA_PORT_0 */ |
| unsigned int prnsts; /* _PRESENT_STATE_0 */ |
| unsigned char hostctl; /* _POWER_CONTROL_HOST_0 7:00 */ |
| unsigned char pwrcon; /* _POWER_CONTROL_HOST_0 15:8 */ |
| unsigned char blkgap; /* _POWER_CONTROL_HOST_9 23:16 */ |
| unsigned char wakcon; /* _POWER_CONTROL_HOST_0 31:24 */ |
| unsigned short clkcon; /* _CLOCK_CONTROL_0 15:00 */ |
| unsigned char timeoutcon; /* _TIMEOUT_CTRL 23:16 */ |
| unsigned char swrst; /* _SW_RESET_ 31:24 */ |
| unsigned int norintsts; /* _INTERRUPT_STATUS_0 */ |
| unsigned int norintstsen; /* _INTERRUPT_STATUS_ENABLE_0 */ |
| unsigned int norintsigen; /* _INTERRUPT_SIGNAL_ENABLE_0 */ |
| unsigned short acmd12errsts; /* _AUTO_CMD12_ERR_STATUS_0 15:00 */ |
| unsigned char res1[2]; /* _RESERVED 31:16 */ |
| unsigned int capareg; /* _CAPABILITIES_0 */ |
| unsigned char res2[4]; /* RESERVED, offset 44h-47h */ |
| unsigned int maxcurr; /* _MAXIMUM_CURRENT_0 */ |
| unsigned char res3[4]; /* RESERVED, offset 4Ch-4Fh */ |
| unsigned short setacmd12err; /* offset 50h */ |
| unsigned short setinterr; /* offset 52h */ |
| unsigned char admaerr; /* offset 54h */ |
| unsigned char res4[3]; /* RESERVED, offset 55h-57h */ |
| unsigned long admaaddr; /* offset 58h-5Fh */ |
| unsigned char res5[0xa0]; /* RESERVED, offset 60h-FBh */ |
| unsigned short slotintstatus; /* offset FCh */ |
| unsigned short hcver; /* HOST Version */ |
| 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) |
| #define TEGRA_MMC_HOSTCTL_DMASEL_ADMA2_64BIT (3 << 3) |
| |
| #define TEGRA_MMC_TRNMOD_DMA_ENABLE (1 << 0) |
| #define TEGRA_MMC_TRNMOD_BLOCK_COUNT_ENABLE (1 << 1) |
| #define TEGRA_MMC_TRNMOD_DATA_XFER_DIR_SEL_WRITE (0 << 4) |
| #define TEGRA_MMC_TRNMOD_DATA_XFER_DIR_SEL_READ (1 << 4) |
| #define TEGRA_MMC_TRNMOD_MULTI_BLOCK_SELECT (1 << 5) |
| |
| #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_MASK (3 << 0) |
| #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_NO_RESPONSE (0 << 0) |
| #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_136 (1 << 0) |
| #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_48 (2 << 0) |
| #define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_48_BUSY (3 << 0) |
| |
| #define TEGRA_MMC_TRNMOD_CMD_CRC_CHECK (1 << 3) |
| #define TEGRA_MMC_TRNMOD_CMD_INDEX_CHECK (1 << 4) |
| #define TEGRA_MMC_TRNMOD_DATA_PRESENT_SELECT_DATA_TRANSFER (1 << 5) |
| |
| #define TEGRA_MMC_PRNSTS_CMD_INHIBIT_CMD (1 << 0) |
| #define TEGRA_MMC_PRNSTS_CMD_INHIBIT_DAT (1 << 1) |
| |
| #define TEGRA_MMC_CLKCON_INTERNAL_CLOCK_ENABLE (1 << 0) |
| #define TEGRA_MMC_CLKCON_INTERNAL_CLOCK_STABLE (1 << 1) |
| #define TEGRA_MMC_CLKCON_SD_CLOCK_ENABLE (1 << 2) |
| |
| #define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_SHIFT 8 |
| #define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_MASK (0xff << 8) |
| |
| #define TEGRA_MMC_SWRST_SW_RESET_FOR_ALL (1 << 0) |
| #define TEGRA_MMC_SWRST_SW_RESET_FOR_CMD_LINE (1 << 1) |
| #define TEGRA_MMC_SWRST_SW_RESET_FOR_DAT_LINE (1 << 2) |
| |
| #define TEGRA_MMC_NORINTSTS_CMD_COMPLETE (1 << 0) |
| #define TEGRA_MMC_NORINTSTS_XFER_COMPLETE (1 << 1) |
| #define TEGRA_MMC_NORINTSTS_DMA_INTERRUPT (1 << 3) |
| #define TEGRA_MMC_NORINTSTS_ERR_INTERRUPT (1 << 15) |
| #define TEGRA_MMC_NORINTSTS_CMD_TIMEOUT (1 << 16) |
| |
| #define TEGRA_MMC_NORINTSTSEN_CMD_COMPLETE (1 << 0) |
| #define TEGRA_MMC_NORINTSTSEN_XFER_COMPLETE (1 << 1) |
| #define TEGRA_MMC_NORINTSTSEN_DMA_INTERRUPT (1 << 3) |
| #define TEGRA_MMC_NORINTSTSEN_BUFFER_WRITE_READY (1 << 4) |
| #define TEGRA_MMC_NORINTSTSEN_BUFFER_READ_READY (1 << 5) |
| |
| #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 */ |
| int enabled; /* 1 to enable, 0 to disable */ |
| int width; /* Bus Width, 1, 4 or 8 */ |
| enum periph_id mmc_id; /* Peripheral ID: PERIPH_ID_... */ |
| struct fdt_gpio_state cd_gpio; /* Change Detect GPIO */ |
| struct fdt_gpio_state pwr_gpio; /* Power GPIO */ |
| struct fdt_gpio_state wp_gpio; /* Write Protect GPIO */ |
| unsigned int version; /* SDHCI spec. version */ |
| unsigned int clock; /* Current clock (MHz) */ |
| }; |
| |
| void pad_init_mmc(struct mmc_host *host); |
| |
| #endif /* __ASSEMBLY__ */ |
| #endif /* __TEGRA_MMC_H_ */ |