| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #ifndef SOC_MEDIATEK_COMMON_MSDC_H |
| #define SOC_MEDIATEK_COMMON_MSDC_H |
| |
| #include <commonlib/sd_mmc_ctrlr.h> |
| #include <console/console.h> |
| |
| /*------------------------------*/ |
| /* Register Offset */ |
| /*------------------------------*/ |
| #define MSDC_CFG 0x0 |
| #define MSDC_IOCON 0x04 |
| #define MSDC_PS 0x08 |
| #define MSDC_INT 0x0c |
| #define MSDC_INTEN 0x10 |
| #define MSDC_FIFOCS 0x14 |
| #define MSDC_TXDATA 0x18 |
| #define MSDC_RXDATA 0x1c |
| #define SDC_CFG 0x30 |
| #define SDC_CMD 0x34 |
| #define SDC_ARG 0x38 |
| #define SDC_STS 0x3c |
| #define SDC_RESP0 0x40 |
| #define SDC_RESP1 0x44 |
| #define SDC_RESP2 0x48 |
| #define SDC_RESP3 0x4c |
| #define SDC_BLK_NUM 0x50 |
| #define SDC_ADV_CFG0 0x64 |
| #define EMMC_IOCON 0x7c |
| #define SDC_ACMD_RESP 0x80 |
| #define DMA_SA_H4BIT 0x8c |
| #define MSDC_DMA_SA 0x90 |
| #define MSDC_DMA_CTRL 0x98 |
| #define MSDC_DMA_CFG 0x9c |
| #define MSDC_PATCH_BIT 0xb0 |
| #define MSDC_PATCH_BIT1 0xb4 |
| #define MSDC_PATCH_BIT2 0xb8 |
| #define MSDC_PAD_TUNE 0xec |
| #define MSDC_PAD_TUNE0 0xf0 |
| #define PAD_DS_TUNE 0x188 |
| #define PAD_CMD_TUNE 0x18c |
| #define EMMC51_CFG0 0x204 |
| #define EMMC50_CFG0 0x208 |
| #define EMMC50_CFG1 0x20c |
| #define EMMC50_CFG3 0x220 |
| #define SDC_FIFO_CFG 0x228 |
| |
| /*-------------------------------*/ |
| /* Top Pad Register Offset */ |
| /*-------------------------------*/ |
| #define EMMC_TOP_CONTROL 0x00 |
| #define EMMC_TOP_CMD 0x04 |
| #define EMMC50_PAD_DS_TUNE 0x0c |
| |
| /*--------------------------------------------------------------------------*/ |
| /* Register Mask */ |
| /*--------------------------------------------------------------------------*/ |
| |
| /* MSDC_CFG mask */ |
| #define MSDC_CFG_MODE (0x1 << 0) /* RW */ |
| #define MSDC_CFG_CKPDN (0x1 << 1) /* RW */ |
| #define MSDC_CFG_RST (0x1 << 2) /* RW */ |
| #define MSDC_CFG_PIO (0x1 << 3) /* RW */ |
| #define MSDC_CFG_CKSTB (0x1 << 7) /* R */ |
| |
| /* MSDC_IOCON mask */ |
| #define MSDC_IOCON_DDLSEL (0x1 << 3) /* RW */ |
| |
| /* MSDC_INT mask */ |
| #define MSDC_INT_CMDRDY (0x1 << 8) /* W1C */ |
| #define MSDC_INT_CMDTMO (0x1 << 9) /* W1C */ |
| #define MSDC_INT_RSPCRCERR (0x1 << 10) /* W1C */ |
| |
| /* MSDC_FIFOCS mask */ |
| #define MSDC_FIFOCS_RXCNT (0xff << 0) /* R */ |
| #define MSDC_FIFOCS_TXCNT (0xff << 16) /* R */ |
| #define MSDC_FIFOCS_CLR (0x1 << 31) /* RW */ |
| |
| /* SDC_CFG mask */ |
| #define SDC_CFG_BUSWIDTH (0x3 << 16) /* RW */ |
| #define SDC_CFG_SDIO (0x1 << 19) /* RW */ |
| #define SDC_CFG_SDIOIDE (0x1 << 20) /* RW */ |
| #define SDC_CFG_DTOC (0xff << 24) /* RW */ |
| |
| /* SDC_CMD */ |
| #define SDC_CMD_CMD_S 0 |
| #define SDC_CMD_CMD_M (0x3f << SDC_CMD_CMD_S) |
| #define SDC_CMD_RSPTYP_S 7 |
| #define SDC_CMD_RSPTYP_M (0x7 << SDC_CMD_RSPTYP_S) |
| #define SDC_CMD_DTYPE_S 11 |
| #define SDC_CMD_DTYPE_M (0x3 << SDC_CMD_DTYPE_S) |
| #define SDC_CMD_WR (1 << 13) |
| #define SDC_CMD_STOP (1 << 14) |
| #define SDC_CMD_BLK_LEN_S 16 |
| #define SDC_CMD_BLK_LEN_M (0xfff << SDC_CMD_BLK_LEN_S) |
| |
| /* SDC_STS mask */ |
| #define SDC_STS_SDCBUSY (0x1 << 0) /* RW */ |
| #define SDC_STS_CMDBUSY (0x1 << 1) /* RW */ |
| |
| /* SDC_ADV_CFG0 mask */ |
| #define SDC_DAT1_IRQ_TRIGGER (0x1 << 19) /* RW */ |
| #define SDC_RX_ENHANCE_EN (0x1 << 20) /* RW */ |
| |
| /* MSDC_PATCH_BIT mask */ |
| #define MSDC_CKGEN_MSDC_DLY_SEL (0x1f << 10) |
| |
| /* PATCH_BIT1 mask */ |
| #define MSDC_PATCH_BIT1_STOP_DLY (0xf << 8) /* RW */ |
| |
| /* PATCH_BIT2 mask */ |
| #define MSDC_PATCH_BIT2_CFGRESP (0x1 << 15) /* RW */ |
| #define MSDC_PATCH_BIT2_CFGCRCSTS (0x1 << 28) /* RW */ |
| #define MSDC_PB2_RESPWAIT (0x3 << 2) /* RW */ |
| |
| /* PAD_TUNE mask */ |
| #define MSDC_PAD_TUNE_RD_SEL (0x1 << 13) /* RW */ |
| #define MSDC_PAD_TUNE_CMD_SEL (0x1 << 21) /* RW */ |
| |
| /* EMMC50_CFG mask */ |
| #define EMMC50_CFG_CFCSTS_SEL (0x1 << 4) /* RW */ |
| |
| /* SDC_FIFO mask */ |
| #define SDC_FIFO_CFG_WRVALIDSEL (0x1 << 24) /* RW */ |
| #define SDC_FIFO_CFG_RDVALIDSEL (0x1 << 25) /* RW */ |
| |
| /* EMMC_TOP_CONTROL mask */ |
| #define PAD_DAT_RD_RXDLY_SEL (0x1 << 13) /* RW */ |
| #define DATA_K_VALUE_SEL (0x1 << 14) /* RW */ |
| #define SDC_RX_ENH_EN (0x1 << 15) /* TW */ |
| |
| /* EMMC_TOP_CMD mask */ |
| #define PAD_CMD_RD_RXDLY_SEL (0x1 << 11) /* RW */ |
| |
| #define CMD_TIMEOUT_MS (5 * 100) /* 500ms */ |
| #define MSDC_TIMEOUT_US (1000 * 1000) /* 1s */ |
| |
| /* SDC_CFG_BUSWIDTH */ |
| #define MSDC_BUS_1BITS 0x0 |
| #define MSDC_BUS_4BITS 0x1 |
| #define MSDC_BUS_8BITS 0x2 |
| |
| #define MSDC_SUCCESS 0x0 |
| #define MSDC_NOT_READY 0x1 |
| |
| #define EIO 5 /* I/O error */ |
| #define ETIMEDOUT 110 /* I/O timed out */ |
| |
| #define CMD_INTS_MASK \ |
| (MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO) |
| |
| struct msdc_ctrlr { |
| struct sd_mmc_ctrlr sd_mmc_ctrlr; |
| void *base; /* IO address */ |
| void *top_base; /* Top IO address */ |
| |
| uint32_t clock; /* Current clock frequency */ |
| uint32_t src_hz; /* Source clock frequency */ |
| |
| bool initialized; |
| }; |
| |
| #define msdc_debug(format...) printk(BIOS_DEBUG, format) |
| #define msdc_trace(format...) printk(BIOS_DEBUG, format) |
| #define msdc_error(format...) printk(BIOS_ERR, format) |
| |
| int mtk_emmc_early_init(void *base, void *top_base); |
| void mtk_msdc_configure_emmc(bool is_early_init); |
| void mtk_msdc_configure_sdcard(void); |
| |
| #endif /* SOC_MEDIATEK_COMMON_MSDC_H */ |