| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Faraday FTSDC010 Secure Digital Memory Card Host Controller |
| * |
| * Copyright (C) 2011 Andes Technology Corporation |
| * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> |
| */ |
| |
| #ifndef __FTSDC010_H |
| #define __FTSDC010_H |
| |
| #ifndef __ASSEMBLY__ |
| |
| /* sd controller register */ |
| #include <linux/bitops.h> |
| struct ftsdc010_mmc { |
| unsigned int cmd; /* 0x00 - command reg */ |
| unsigned int argu; /* 0x04 - argument reg */ |
| unsigned int rsp0; /* 0x08 - response reg0 */ |
| unsigned int rsp1; /* 0x0c - response reg1 */ |
| unsigned int rsp2; /* 0x10 - response reg2 */ |
| unsigned int rsp3; /* 0x14 - response reg3 */ |
| unsigned int rsp_cmd; /* 0x18 - responded cmd reg */ |
| unsigned int dcr; /* 0x1c - data control reg */ |
| unsigned int dtr; /* 0x20 - data timer reg */ |
| unsigned int dlr; /* 0x24 - data length reg */ |
| unsigned int status; /* 0x28 - status reg */ |
| unsigned int clr; /* 0x2c - clear reg */ |
| unsigned int int_mask; /* 0x30 - intrrupt mask reg */ |
| unsigned int pcr; /* 0x34 - power control reg */ |
| unsigned int ccr; /* 0x38 - clock contorl reg */ |
| unsigned int bwr; /* 0x3c - bus width reg */ |
| unsigned int dwr; /* 0x40 - data window reg */ |
| #ifndef CONFIG_FTSDC010_SDIO |
| unsigned int feature; /* 0x44 - feature reg */ |
| unsigned int rev; /* 0x48 - revision reg */ |
| #else |
| unsigned int mmc_intr_time; /* 0x44 - MMC int resp time reg */ |
| unsigned int gpo; /* 0x48 - gerenal purpose output */ |
| unsigned int reserved[8]; /* 0x50 - 0x68 reserved */ |
| unsigned int sdio_ctrl1; /* 0x6c - SDIO control reg 1 */ |
| unsigned int sdio_ctrl2; /* 0x70 - SDIO control reg 2 */ |
| unsigned int sdio_status; /* 0x74 - SDIO status regi */ |
| unsigned int reserved1[9]; /* 0x78 - 0x98 reserved */ |
| unsigned int feature; /* 0x9c - feature reg */ |
| unsigned int rev; /* 0xa0 - revision reg */ |
| #endif /* CONFIG_FTSDC010_SDIO */ |
| }; |
| |
| struct mmc_host { |
| struct ftsdc010_mmc *reg; |
| unsigned int version; /* SDHCI spec. version */ |
| unsigned int clock; /* Current clock (MHz) */ |
| unsigned int fifo_len; /* bytes */ |
| unsigned int last_opcode; /* Last OP Code */ |
| unsigned int card_type; /* Card type */ |
| }; |
| |
| /* functions */ |
| int ftsdc010_mmc_init(int dev_index); |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| /* global defines */ |
| #define FTSDC010_CMD_RETRY 0x100000 |
| #define FTSDC010_PIO_RETRY 100 /* pio retry times */ |
| #define FTSDC010_DELAY_UNIT 100 /* 100 us */ |
| |
| /* define from Linux kernel - include/linux/mmc/card.h */ |
| #define MMC_TYPE_SDIO 2 /* SDIO card */ |
| |
| /* define for mmc layer */ |
| #define MMC_DATA_BOTH_DIR (MMC_DATA_WRITE | MMC_DATA_READ) |
| |
| /* this part is strange */ |
| #define FTSDC010_SDIO_CTRL1_REG 0x0000006C |
| #define FTSDC010_SDIO_CTRL2_REG 0x0000006C |
| #define FTSDC010_SDIO_STATUS_REG 0x00000070 |
| |
| /* 0x00 - command register */ |
| #define FTSDC010_CMD_IDX(x) (((x) & 0x3f) << 0) |
| #define FTSDC010_CMD_NEED_RSP (1 << 6) |
| #define FTSDC010_CMD_LONG_RSP (1 << 7) |
| #define FTSDC010_CMD_APP_CMD (1 << 8) |
| #define FTSDC010_CMD_CMD_EN (1 << 9) |
| #define FTSDC010_CMD_SDC_RST (1 << 10) |
| #define FTSDC010_CMD_MMC_INT_STOP (1 << 11) |
| |
| /* 0x18 - responded command register */ |
| #define FTSDC010_RSP_CMD_IDX(x) (((x) >> 0) & 0x3f) |
| #define FTSDC010_RSP_CMD_APP (1 << 6) |
| |
| /* 0x1c - data control register */ |
| #define FTSDC010_DCR_BLK_SIZE(x) (((x) & 0xf) << 0) |
| #define FTSDC010_DCR_DATA_WRITE (1 << 4) |
| #define FTSDC010_DCR_DMA_EN (1 << 5) |
| #define FTSDC010_DCR_DATA_EN (1 << 6) |
| #ifdef CONFIG_FTSDC010_SDIO |
| #define FTSDC010_DCR_FIFOTH (1 << 7) |
| #define FTSDC010_DCR_DMA_TYPE(x) (((x) & 0x3) << 8) |
| #define FTSDC010_DCR_FIFO_RST (1 << 10) |
| #endif /* CONFIG_FTSDC010_SDIO */ |
| |
| #define FTSDC010_DCR_DMA_TYPE_1 0x0 /* Single r/w */ |
| #define FTSDC010_DCR_DMA_TYPE_4 0x1 /* Burst 4 r/w */ |
| #define FTSDC010_DCR_DMA_TYPE_8 0x2 /* Burst 8 r/w */ |
| |
| #define FTSDC010_DCR_BLK_BYTES(x) (ffs(x) - 1) /* 1B - 2048B */ |
| |
| /* CPRM related define */ |
| #define FTSDC010_CPRM_DATA_CHANGE_ENDIAN_EN 0x000008 |
| #define FTSDC010_CPRM_DATA_SWAP_HL_EN 0x000010 |
| |
| /* 0x28 - status register */ |
| #define FTSDC010_STATUS_RSP_CRC_FAIL (1 << 0) |
| #define FTSDC010_STATUS_DATA_CRC_FAIL (1 << 1) |
| #define FTSDC010_STATUS_RSP_TIMEOUT (1 << 2) |
| #define FTSDC010_STATUS_DATA_TIMEOUT (1 << 3) |
| #define FTSDC010_STATUS_RSP_CRC_OK (1 << 4) |
| #define FTSDC010_STATUS_DATA_CRC_OK (1 << 5) |
| #define FTSDC010_STATUS_CMD_SEND (1 << 6) |
| #define FTSDC010_STATUS_DATA_END (1 << 7) |
| #define FTSDC010_STATUS_FIFO_URUN (1 << 8) |
| #define FTSDC010_STATUS_FIFO_ORUN (1 << 9) |
| #define FTSDC010_STATUS_CARD_CHANGE (1 << 10) |
| #define FTSDC010_STATUS_CARD_DETECT (1 << 11) |
| #define FTSDC010_STATUS_WRITE_PROT (1 << 12) |
| #ifdef CONFIG_FTSDC010_SDIO |
| #define FTSDC010_STATUS_CP_READY (1 << 13) /* reserved ? */ |
| #define FTSDC010_STATUS_CP_BUF_READY (1 << 14) /* reserved ? */ |
| #define FTSDC010_STATUS_PLAIN_TEXT_READY (1 << 15) /* reserved ? */ |
| #define FTSDC010_STATUS_SDIO_IRPT (1 << 16) /* SDIO card intr */ |
| #define FTSDC010_STATUS_DATA0_STATUS (1 << 17) |
| #endif /* CONFIG_FTSDC010_SDIO */ |
| #define FTSDC010_STATUS_RSP_ERROR \ |
| (FTSDC010_STATUS_RSP_CRC_FAIL | FTSDC010_STATUS_RSP_TIMEOUT) |
| #define FTSDC010_STATUS_RSP_MASK \ |
| (FTSDC010_STATUS_RSP_ERROR | FTSDC010_STATUS_RSP_CRC_OK) |
| #define FTSDC010_STATUS_DATA_ERROR \ |
| (FTSDC010_STATUS_DATA_CRC_FAIL | FTSDC010_STATUS_DATA_TIMEOUT) |
| #define FTSDC010_STATUS_DATA_MASK \ |
| (FTSDC010_STATUS_DATA_ERROR | FTSDC010_STATUS_DATA_CRC_OK \ |
| | FTSDC010_STATUS_DATA_END) |
| |
| /* 0x2c - clear register */ |
| #define FTSDC010_CLR_RSP_CRC_FAIL (1 << 0) |
| #define FTSDC010_CLR_DATA_CRC_FAIL (1 << 1) |
| #define FTSDC010_CLR_RSP_TIMEOUT (1 << 2) |
| #define FTSDC010_CLR_DATA_TIMEOUT (1 << 3) |
| #define FTSDC010_CLR_RSP_CRC_OK (1 << 4) |
| #define FTSDC010_CLR_DATA_CRC_OK (1 << 5) |
| #define FTSDC010_CLR_CMD_SEND (1 << 6) |
| #define FTSDC010_CLR_DATA_END (1 << 7) |
| #define FTSDC010_STATUS_FIFO_URUN (1 << 8) /* reserved ? */ |
| #define FTSDC010_STATUS_FIFO_ORUN (1 << 9) /* reserved ? */ |
| #define FTSDC010_CLR_CARD_CHANGE (1 << 10) |
| #ifdef CONFIG_FTSDC010_SDIO |
| #define FTSDC010_CLR_SDIO_IRPT (1 << 16) |
| #endif /* CONFIG_FTSDC010_SDIO */ |
| |
| /* 0x30 - interrupt mask register */ |
| #define FTSDC010_INT_MASK_RSP_CRC_FAIL (1 << 0) |
| #define FTSDC010_INT_MASK_DATA_CRC_FAIL (1 << 1) |
| #define FTSDC010_INT_MASK_RSP_TIMEOUT (1 << 2) |
| #define FTSDC010_INT_MASK_DATA_TIMEOUT (1 << 3) |
| #define FTSDC010_INT_MASK_RSP_CRC_OK (1 << 4) |
| #define FTSDC010_INT_MASK_DATA_CRC_OK (1 << 5) |
| #define FTSDC010_INT_MASK_CMD_SEND (1 << 6) |
| #define FTSDC010_INT_MASK_DATA_END (1 << 7) |
| #define FTSDC010_INT_MASK_FIFO_URUN (1 << 8) |
| #define FTSDC010_INT_MASK_FIFO_ORUN (1 << 9) |
| #define FTSDC010_INT_MASK_CARD_CHANGE (1 << 10) |
| #ifdef CONFIG_FTSDC010_SDIO |
| #define FTSDC010_INT_MASK_CP_READY (1 << 13) |
| #define FTSDC010_INT_MASK_CP_BUF_READY (1 << 14) |
| #define FTSDC010_INT_MASK_PLAIN_TEXT_READY (1 << 15) |
| #define FTSDC010_INT_MASK_SDIO_IRPT (1 << 16) |
| #define FTSDC010_STATUS_DATA0_STATUS (1 << 17) |
| #endif /* CONFIG_FTSDC010_SDIO */ |
| |
| /* ? */ |
| #define FTSDC010_CARD_INSERT 0x0 |
| #define FTSDC010_CARD_REMOVE FTSDC010_STATUS_REG_CARD_DETECT |
| |
| /* 0x34 - power control register */ |
| #define FTSDC010_PCR_POWER(x) (((x) & 0xf) << 0) |
| #define FTSDC010_PCR_POWER_ON (1 << 4) |
| |
| /* 0x38 - clock control register */ |
| #define FTSDC010_CCR_CLK_DIV(x) (((x) & 0x7f) << 0) |
| #define FTSDC010_CCR_CLK_SD (1 << 7) /* 0: MMC, 1: SD */ |
| #define FTSDC010_CCR_CLK_DIS (1 << 8) |
| #define FTSDC010_CCR_CLK_HISPD (1 << 9) /* high speed */ |
| |
| /* card type */ |
| #define FTSDC010_CARD_TYPE_SD FTSDC010_CLOCK_REG_CARD_TYPE |
| #define FTSDC010_CARD_TYPE_MMC 0x0 |
| |
| /* 0x3c - bus width register */ |
| #define FTSDC010_BWR_MODE_1BIT (1 << 0) /* 1 bit mode enabled */ |
| #define FTSDC010_BWR_MODE_8BIT (1 << 1) /* 8 bit mode enabled */ |
| #define FTSDC010_BWR_MODE_4BIT (1 << 2) /* 4 bit mode enabled */ |
| #define FTSDC010_BWR_MODE_MASK (7 << 0) |
| #define FTSDC010_BWR_MODE_SHIFT (0) |
| #define FTSDC010_BWR_CAPS_1BIT (0 << 3) /* 1 bits mode supported */ |
| #define FTSDC010_BWR_CAPS_4BIT (1 << 3) /* 1,4 bits mode supported */ |
| #define FTSDC010_BWR_CAPS_8BIT (2 << 3) /* 1,4,8 bits mode supported */ |
| #define FTSDC010_BWR_CAPS_MASK (3 << 3) |
| #define FTSDC010_BWR_CAPS_SHIFT (3) |
| #define FTSDC010_BWR_CARD_DETECT (1 << 5) |
| |
| /* 0x44 or 0x9c - feature register */ |
| #define FTSDC010_FEATURE_FIFO_DEPTH(x) (((x) >> 0) & 0xff) |
| #define FTSDC010_FEATURE_CPRM_FUNCTION (1 << 8) |
| |
| #define FTSDC010_FIFO_DEPTH_4 0x04 |
| #define FTSDC010_FIFO_DEPTH_8 0x08 |
| #define FTSDC010_FIFO_DEPTH_16 0x10 |
| |
| /* 0x48 or 0xa0 - revision register */ |
| #define FTSDC010_REV_REVISION(x) (((x) & 0xff) >> 0) |
| #define FTSDC010_REV_MINOR(x) (((x) & 0xff00) >> 8) |
| #define FTSDC010_REV_MAJOR(x) (((x) & 0xffff0000) >> 16) |
| |
| #ifdef CONFIG_FTSDC010_SDIO |
| /* 0x44 - general purpose output */ |
| #define FTSDC010_GPO_PORT(x) (((x) & 0xf) << 0) |
| |
| /* 0x6c - sdio control register 1 */ |
| #define FTSDC010_SDIO_CTRL1_SDIO_BLK_SIZE(x) (((x) & 0xfff) << 0) |
| #define FTSDC010_SDIO_CTRL1_SDIO_BLK_MODE (1 << 12) |
| #define FTSDC010_SDIO_CTRL1_READ_WAIT_EN (1 << 13) |
| #define FTSDC010_SDIO_CTRL1_SDIO_ENABLE (1 << 14) |
| #define FTSDC010_SDIO_CTRL1_SDIO_BLK_NO(x) (((x) & 0x1ff) << 15) |
| |
| /* 0x70 - sdio control register 2 */ |
| #define FTSDC010_SDIO_CTRL2_SUSP_READ_WAIT (1 << 0) |
| #define FTSDC010_SDIO_CTRL2_SUSP_CMD_ABORT (1 << 1) |
| |
| /* 0x74 - sdio status register */ |
| #define FTSDC010_SDIO_STATUS_SDIO_BLK_CNT(x) (((x) >> 0) & 0x1ffff) |
| #define FTSDC010_SDIO_STATUS_FIFO_REMAIN_NO(x) (((x) >> 17) & 0xef) |
| |
| #endif /* CONFIG_FTSDC010_SDIO */ |
| |
| #endif /* __FTSDC010_H */ |
