| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2016 Carlo Caione <carlo@caione.org> |
| */ |
| |
| #ifndef __SD_EMMC_H__ |
| #define __SD_EMMC_H__ |
| |
| #include <clk.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 GENMASK(5, 0) |
| #define CLK_MAX_SRC GENMASK(7, 6) |
| #define Cfg_div 0 |
| #define Cfg_src 6 |
| #define Cfg_co_phase 8 |
| #define Cfg_tx_phase 10 |
| #define Cfg_rx_phase 12 |
| #define Cfg_sram_pd 14 |
| #define Cfg_tx_delay 16 |
| #define Cfg_rx_delay 22 |
| #define Cfg_always_on 28 |
| #define Cfg_irq_sdio_sleep 29 |
| #define Cfg_irq_sdio_sleep_ds 30 |
| |
| #define MESON_SD_EMMC_DELAY1 0x4 |
| #define DLY_D0_MASK GENMASK(5, 0) |
| #define DLY_D1_MASK GENMASK(11, 6) |
| #define DLY_D2_MASK GENMASK(17, 12) |
| #define DLY_D3_MASK GENMASK(23, 18) |
| #define DLY_D4_MASK GENMASK(31, 24) |
| #define Dly_d0 0 |
| #define Dly_d1 6 |
| #define Dly_d2 12 |
| #define Dly_d3 18 |
| #define Dly_d4 24 |
| |
| #define MESON_SD_EMMC_DELAY2 0x8 |
| #define DLY_D5_MASK GENMASK(5, 0) |
| #define DLY_D6_MASK GENMASK(11, 6) |
| #define DLY_D7_MASK GENMASK(17, 12) |
| #define DLY_D8_MASK GENMASK(23, 18) |
| #define DLY_D9_MASK GENMASK(31, 24) |
| #define Dly_d5 0 |
| #define Dly_d6 6 |
| #define Dly_d7 12 |
| #define Dly_d8 18 |
| #define Dly_d9 24 |
| |
| #define MESON_SD_EMMC_ADJUST 0xC |
| #define CALI_SEL_MASK GENMASK(11, 8) |
| #define ADJ_DLY_MASK GENMASK(21, 16) |
| #define Cfg_cali_sel 8 |
| #define Cfg_cali_en 12 |
| #define Cfg_adj_en 13 |
| #define Cfg_cali_rise 14 |
| #define Cfg_ds_en 15 |
| #define Cfg_adj_dly 16 |
| #define Cfg_adj_auto 22 |
| #define Cfg_adj_init 23 |
| |
| #define MESON_SD_EMMC_START 0x40 |
| #define CFG_DESC_INIT BIT(0) |
| #define CFG_DESC_BUSY BIT(1) |
| #define CFG_DESC_ADDR 2 |
| |
| #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_DDR BIT(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_NO_CMD BIT(17) |
| #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_RESP_NUM BIT(22) |
| #define CMD_CFG_DATA_NUM BIT(23) |
| #define CMD_CFG_CMD_INDEX_MASK GENMASK(29, 24) |
| #define CMD_CFG_CMD_INDEX_SHIFT 24 |
| #define CMD_CFG_ERR BIT(30) |
| #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 |
| |
| #define SD_EMMC_RXD_ERROR (1 << 0) |
| #define SD_EMMC_TXD_ERROR (1 << 1) |
| #define SD_EMMC_DESC_ERROR (1 << 2) |
| #define SD_EMMC_RESP_CRC_ERROR (1 << 3) |
| #define SD_EMMC_RESP_TIMEOUT_ERROR (1 << 4) |
| #define SD_EMMC_DESC_TIMEOUT_ERROR (1 << 5) |
| |
| struct meson_host { |
| struct mmc *mmc; |
| uint is_in; |
| uint is_tuning; |
| struct clk core; |
| struct clk xtal; |
| struct clk div2; |
| struct clk mux; |
| struct clk div; |
| struct clk gate; |
| struct gpio_desc gpio_cd; |
| struct gpio_desc gpio_reset; |
| char *blk_test; |
| char* desc_buf; |
| }; |
| |
| struct meson_mmc_platdata { |
| struct mmc_config cfg; |
| struct mmc mmc; |
| void *regbase; |
| void *w_buf; |
| }; |
| |
| #endif |
