| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2016 Carlo Caione <carlo@caione.org> |
| */ |
| |
| #ifndef __SD_EMMC_H__ |
| #define __SD_EMMC_H__ |
| |
| #include <mmc.h> |
| |
| #define SDIO_PORT_A 0 |
| #define SDIO_PORT_B 1 |
| #define SDIO_PORT_C 2 |
| |
| #define SD_EMMC_CLKSRC_24M 24000000 /* 24 MHz */ |
| #define SD_EMMC_CLKSRC_DIV2 1000000000 /* 1 GHz */ |
| |
| #define MESON_SD_EMMC_CLOCK 0x00 |
| #define CLK_MAX_DIV 63 |
| #define CLK_SRC_24M (0 << 6) |
| #define CLK_SRC_DIV2 (1 << 6) |
| #define CLK_CO_PHASE_000 (0 << 8) |
| #define CLK_CO_PHASE_090 (1 << 8) |
| #define CLK_CO_PHASE_180 (2 << 8) |
| #define CLK_CO_PHASE_270 (3 << 8) |
| #define CLK_TX_PHASE_000 (0 << 10) |
| #define CLK_TX_PHASE_090 (1 << 10) |
| #define CLK_TX_PHASE_180 (2 << 10) |
| #define CLK_TX_PHASE_270 (3 << 10) |
| #define CLK_ALWAYS_ON BIT(24) |
| |
| #define MESON_SD_EMMC_CFG 0x44 |
| #define CFG_BUS_WIDTH_MASK GENMASK(1, 0) |
| #define CFG_BUS_WIDTH_1 0 |
| #define CFG_BUS_WIDTH_4 1 |
| #define CFG_BUS_WIDTH_8 2 |
| #define CFG_BL_LEN_MASK GENMASK(7, 4) |
| #define CFG_BL_LEN_SHIFT 4 |
| #define CFG_BL_LEN_512 (9 << 4) |
| #define CFG_RESP_TIMEOUT_MASK GENMASK(11, 8) |
| #define CFG_RESP_TIMEOUT_256 (8 << 8) |
| #define CFG_RC_CC_MASK GENMASK(15, 12) |
| #define CFG_RC_CC_16 (4 << 12) |
| #define CFG_SDCLK_ALWAYS_ON BIT(18) |
| #define CFG_AUTO_CLK BIT(23) |
| |
| #define MESON_SD_EMMC_STATUS 0x48 |
| #define STATUS_MASK GENMASK(15, 0) |
| #define STATUS_ERR_MASK GENMASK(12, 0) |
| #define STATUS_RXD_ERR_MASK GENMASK(7, 0) |
| #define STATUS_TXD_ERR BIT(8) |
| #define STATUS_DESC_ERR BIT(9) |
| #define STATUS_RESP_ERR BIT(10) |
| #define STATUS_RESP_TIMEOUT BIT(11) |
| #define STATUS_DESC_TIMEOUT BIT(12) |
| #define STATUS_END_OF_CHAIN BIT(13) |
| |
| #define MESON_SD_EMMC_IRQ_EN 0x4c |
| |
| #define MESON_SD_EMMC_CMD_CFG 0x50 |
| #define CMD_CFG_LENGTH_MASK GENMASK(8, 0) |
| #define CMD_CFG_BLOCK_MODE BIT(9) |
| #define CMD_CFG_R1B BIT(10) |
| #define CMD_CFG_END_OF_CHAIN BIT(11) |
| #define CMD_CFG_TIMEOUT_4S (12 << 12) |
| #define CMD_CFG_NO_RESP BIT(16) |
| #define CMD_CFG_DATA_IO BIT(18) |
| #define CMD_CFG_DATA_WR BIT(19) |
| #define CMD_CFG_RESP_NOCRC BIT(20) |
| #define CMD_CFG_RESP_128 BIT(21) |
| #define CMD_CFG_CMD_INDEX_SHIFT 24 |
| #define CMD_CFG_OWNER BIT(31) |
| |
| #define MESON_SD_EMMC_CMD_ARG 0x54 |
| #define MESON_SD_EMMC_CMD_DAT 0x58 |
| #define MESON_SD_EMMC_CMD_RSP 0x5c |
| #define MESON_SD_EMMC_CMD_RSP1 0x60 |
| #define MESON_SD_EMMC_CMD_RSP2 0x64 |
| #define MESON_SD_EMMC_CMD_RSP3 0x68 |
| |
| struct meson_mmc_platdata { |
| struct mmc_config cfg; |
| struct mmc mmc; |
| void *regbase; |
| void *w_buf; |
| }; |
| |
| #endif |
