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Signed-off-by: Ben Chuang Signed-off-by: AKASHI Takahiro Signed-off-by: Victor Shih Acked-by: Adrian Hunter --- Updates in V9: - Modify the commit message. Updates in V8: - Use tabs instead of spaces. Updates in V7: - Reorder values and positions of definitions. Updates in V6: - Rename definitions. - Use BIT() GENMASK() instead of bitwise operations. --- drivers/mmc/host/sdhci-uhs2.h | 177 ++++++++++++++++++++++++++++++++++ drivers/mmc/host/sdhci.h | 54 ++++++++++- 2 files changed, 230 insertions(+), 1 deletion(-) create mode 100644 drivers/mmc/host/sdhci-uhs2.h diff --git a/drivers/mmc/host/sdhci-uhs2.h b/drivers/mmc/host/sdhci-uhs2.h new file mode 100644 index 000000000000..e993f41ffb7f --- /dev/null +++ b/drivers/mmc/host/sdhci-uhs2.h @@ -0,0 +1,177 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * linux/drivers/mmc/host/sdhci-uhs2.h - Secure Digital Host Controller Interface driver + * + * Header file for Host Controller UHS2 related registers. + * + * Copyright (C) 2014 Intel Corp, All Rights Reserved. + */ +#ifndef __SDHCI_UHS2_H +#define __SDHCI_UHS2_H + +#include + +/* SDHCI Category C registers : UHS2 usage */ + +#define SDHCI_UHS2_CM_TRAN_RESP 0x10 +#define SDHCI_UHS2_SD_TRAN_RESP 0x18 +#define SDHCI_UHS2_SD_TRAN_RESP_1 0x1C + +/* SDHCI Category B registers : UHS2 only */ + +#define SDHCI_UHS2_BLOCK_SIZE 0x80 +#define SDHCI_UHS2_MAKE_BLKSZ(dma, blksz) ((((dma) & 0x7) << 12) | ((blksz) & 0xFFF)) + +#define SDHCI_UHS2_BLOCK_COUNT 0x84 + +#define SDHCI_UHS2_CMD_PACKET 0x88 +#define SDHCI_UHS2_CMD_PACK_MAX_LEN 20 + +#define SDHCI_UHS2_TRANS_MODE 0x9C +#define SDHCI_UHS2_TRNS_DMA BIT(0) +#define SDHCI_UHS2_TRNS_BLK_CNT_EN BIT(1) +#define SDHCI_UHS2_TRNS_DATA_TRNS_WRT BIT(4) +#define SDHCI_UHS2_TRNS_BLK_BYTE_MODE BIT(5) +#define SDHCI_UHS2_TRNS_RES_R5 BIT(6) +#define SDHCI_UHS2_TRNS_RES_ERR_CHECK_EN BIT(7) +#define SDHCI_UHS2_TRNS_RES_INT_DIS BIT(8) +#define SDHCI_UHS2_TRNS_WAIT_EBSY BIT(14) +#define SDHCI_UHS2_TRNS_2L_HD BIT(15) + +#define SDHCI_UHS2_CMD 0x9E +#define SDHCI_UHS2_CMD_SUB_CMD BIT(2) +#define SDHCI_UHS2_CMD_DATA BIT(5) +#define SDHCI_UHS2_CMD_TRNS_ABORT BIT(6) +#define SDHCI_UHS2_CMD_CMD12 BIT(7) +#define SDHCI_UHS2_CMD_DORMANT GENMASK(7, 6) +#define SDHCI_UHS2_CMD_PACK_LEN_MASK GENMASK(12, 8) + +#define SDHCI_UHS2_RESPONSE 0xA0 +#define SDHCI_UHS2_RESPONSE_MAX_LEN 20 + +#define SDHCI_UHS2_MSG_SELECT 0xB4 +#define SDHCI_UHS2_MSG_SELECT_CURR 0x0 +#define SDHCI_UHS2_MSG_SELECT_ONE 0x1 +#define SDHCI_UHS2_MSG_SELECT_TWO 0x2 +#define SDHCI_UHS2_MSG_SELECT_THREE 0x3 + +#define SDHCI_UHS2_MSG 0xB8 + +#define SDHCI_UHS2_DEV_INT_STATUS 0xBC + +#define SDHCI_UHS2_DEV_SELECT 0xBE +#define SDHCI_UHS2_DEV_SEL_MASK GENMASK(3, 0) +#define SDHCI_UHS2_DEV_SEL_INT_MSG_EN BIT(7) + +#define SDHCI_UHS2_DEV_INT_CODE 0xBF + +#define SDHCI_UHS2_SW_RESET 0xC0 +#define SDHCI_UHS2_SW_RESET_FULL BIT(0) +#define SDHCI_UHS2_SW_RESET_SD BIT(1) + +#define SDHCI_UHS2_TIMER_CTRL 0xC2 +#define SDHCI_UHS2_TIMER_CTRL_DEADLOCK_MASK GENMASK(7, 4) + +#define SDHCI_UHS2_INT_STATUS 0xC4 +#define SDHCI_UHS2_INT_STATUS_ENABLE 0xC8 +#define SDHCI_UHS2_INT_SIGNAL_ENABLE 0xCC +#define SDHCI_UHS2_INT_HEADER_ERR BIT(0) +#define SDHCI_UHS2_INT_RES_ERR BIT(1) +#define SDHCI_UHS2_INT_RETRY_EXP BIT(2) +#define SDHCI_UHS2_INT_CRC BIT(3) +#define SDHCI_UHS2_INT_FRAME_ERR BIT(4) +#define SDHCI_UHS2_INT_TID_ERR BIT(5) +#define SDHCI_UHS2_INT_UNRECOVER BIT(7) +#define SDHCI_UHS2_INT_EBUSY_ERR BIT(8) +#define SDHCI_UHS2_INT_ADMA_ERROR BIT(15) +#define SDHCI_UHS2_INT_CMD_TIMEOUT BIT(16) +#define SDHCI_UHS2_INT_DEADLOCK_TIMEOUT BIT(17) +#define SDHCI_UHS2_INT_VENDOR_ERR BIT(27) +#define SDHCI_UHS2_INT_ERROR_MASK ( \ + SDHCI_UHS2_INT_HEADER_ERR | \ + SDHCI_UHS2_INT_RES_ERR | \ + SDHCI_UHS2_INT_RETRY_EXP | \ + SDHCI_UHS2_INT_CRC | \ + SDHCI_UHS2_INT_FRAME_ERR | \ + SDHCI_UHS2_INT_TID_ERR | \ + SDHCI_UHS2_INT_UNRECOVER | \ + SDHCI_UHS2_INT_EBUSY_ERR | \ + SDHCI_UHS2_INT_ADMA_ERROR | \ + SDHCI_UHS2_INT_CMD_TIMEOUT | \ + SDHCI_UHS2_INT_DEADLOCK_TIMEOUT) +#define SDHCI_UHS2_INT_CMD_ERR_MASK ( \ + SDHCI_UHS2_INT_HEADER_ERR | \ + SDHCI_UHS2_INT_RES_ERR | \ + SDHCI_UHS2_INT_FRAME_ERR | \ + SDHCI_UHS2_INT_TID_ERR | \ + SDHCI_UHS2_INT_CMD_TIMEOUT) +/* CRC Error occurs during a packet receiving */ +#define SDHCI_UHS2_INT_DATA_ERR_MASK ( \ + SDHCI_UHS2_INT_RETRY_EXP | \ + SDHCI_UHS2_INT_CRC | \ + SDHCI_UHS2_INT_UNRECOVER | \ + SDHCI_UHS2_INT_EBUSY_ERR | \ + SDHCI_UHS2_INT_ADMA_ERROR | \ + SDHCI_UHS2_INT_DEADLOCK_TIMEOUT) + +#define SDHCI_UHS2_SETTINGS_PTR 0xE0 +#define SDHCI_UHS2_GEN_SETTINGS_POWER_LOW BIT(0) +#define SDHCI_UHS2_GEN_SETTINGS_N_LANES_MASK GENMASK(11, 8) +#define SDHCI_UHS2_FD_OR_2L_HD 0x0 /* 2 lanes */ +#define SDHCI_UHS2_2D1U_FD 0x2 /* 3 lanes, 2 down, 1 up, full duplex */ +#define SDHCI_UHS2_1D2U_FD 0x3 /* 3 lanes, 1 down, 2 up, full duplex */ +#define SDHCI_UHS2_2D2U_FD 0x4 /* 4 lanes, 2 down, 2 up, full duplex */ + +#define SDHCI_UHS2_PHY_SET_SPEED_B BIT(6) +#define SDHCI_UHS2_PHY_HIBERNATE_EN BIT(12) +#define SDHCI_UHS2_PHY_N_LSS_SYN_MASK GENMASK(19, 16) +#define SDHCI_UHS2_PHY_N_LSS_DIR_MASK GENMASK(23, 20) + +#define SDHCI_UHS2_TRAN_N_FCU_MASK GENMASK(15, 8) +#define SDHCI_UHS2_TRAN_RETRY_CNT_MASK GENMASK(17, 16) +#define SDHCI_UHS2_TRAN_1_N_DAT_GAP_MASK GENMASK(7, 0) + +#define SDHCI_UHS2_CAPS_PTR 0xE2 +#define SDHCI_UHS2_CAPS_OFFSET 0 +#define SDHCI_UHS2_CAPS_DAP_MASK GENMASK(3, 0) +#define SDHCI_UHS2_CAPS_GAP_MASK GENMASK(7, 4) +#define SDHCI_UHS2_CAPS_GAP(gap) ((gap) * 360) +#define SDHCI_UHS2_CAPS_LANE_MASK GENMASK(13, 8) +#define SDHCI_UHS2_CAPS_2L_HD_FD 1 +#define SDHCI_UHS2_CAPS_2D1U_FD 2 +#define SDHCI_UHS2_CAPS_1D2U_FD 4 +#define SDHCI_UHS2_CAPS_2D2U_FD 8 +#define SDHCI_UHS2_CAPS_ADDR_64 BIT(14) +#define SDHCI_UHS2_CAPS_BOOT BIT(15) +#define SDHCI_UHS2_CAPS_DEV_TYPE_MASK GENMASK(17, 16) +#define SDHCI_UHS2_CAPS_DEV_TYPE_RMV 0 +#define SDHCI_UHS2_CAPS_DEV_TYPE_EMB 1 +#define SDHCI_UHS2_CAPS_DEV_TYPE_EMB_RMV 2 +#define SDHCI_UHS2_CAPS_NUM_DEV_MASK GENMASK(21, 18) +#define SDHCI_UHS2_CAPS_BUS_TOPO_MASK GENMASK(23, 22) +#define SDHCI_UHS2_CAPS_BUS_TOPO_SHIFT 22 +#define SDHCI_UHS2_CAPS_BUS_TOPO_P2P 0 +#define SDHCI_UHS2_CAPS_BUS_TOPO_RING 1 +#define SDHCI_UHS2_CAPS_BUS_TOPO_HUB 2 +#define SDHCI_UHS2_CAPS_BUS_TOPO_HUB_RING 3 + +#define SDHCI_UHS2_CAPS_PHY_OFFSET 4 +#define SDHCI_UHS2_CAPS_PHY_REV_MASK GENMASK(5, 0) +#define SDHCI_UHS2_CAPS_PHY_RANGE_MASK GENMASK(7, 6) +#define SDHCI_UHS2_CAPS_PHY_RANGE_A 0 +#define SDHCI_UHS2_CAPS_PHY_RANGE_B 1 +#define SDHCI_UHS2_CAPS_PHY_N_LSS_SYN_MASK GENMASK(19, 16) +#define SDHCI_UHS2_CAPS_PHY_N_LSS_DIR_MASK GENMASK(23, 20) +#define SDHCI_UHS2_CAPS_TRAN_OFFSET 8 +#define SDHCI_UHS2_CAPS_TRAN_LINK_REV_MASK GENMASK(5, 0) +#define SDHCI_UHS2_CAPS_TRAN_N_FCU_MASK GENMASK(15, 8) +#define SDHCI_UHS2_CAPS_TRAN_HOST_TYPE_MASK GENMASK(18, 16) +#define SDHCI_UHS2_CAPS_TRAN_BLK_LEN_MASK GENMASK(31, 20) + +#define SDHCI_UHS2_CAPS_TRAN_1_OFFSET 12 +#define SDHCI_UHS2_CAPS_TRAN_1_N_DATA_GAP_MASK GENMASK(7, 0) + +#define SDHCI_UHS2_EMBED_CTRL_PTR 0xE6 +#define SDHCI_UHS2_VENDOR_PTR 0xE8 + +#endif /* __SDHCI_UHS2_H */ diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index f531b617f28d..e1013925e91e 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -43,8 +43,23 @@ #define SDHCI_TRNS_READ 0x10 #define SDHCI_TRNS_MULTI 0x20 +/* + * Defined in Host Version 4.0. + */ +#define SDHCI_TRNS_RES_TYPE 0x40 +#define SDHCI_TRNS_RES_ERR_CHECK 0x80 +#define SDHCI_TRNS_RES_INT_DIS 0x0100 + #define SDHCI_COMMAND 0x0E #define SDHCI_CMD_RESP_MASK 0x03 + +/* + * Host Version 4.10 adds this bit to distinguish a main command or + * sub command. + * For example with SDIO, CMD52 (sub command) issued during CMD53 (main command). + */ +#define SDHCI_CMD_SUB_CMD 0x04 + #define SDHCI_CMD_CRC 0x08 #define SDHCI_CMD_INDEX 0x10 #define SDHCI_CMD_DATA 0x20 @@ -65,6 +80,9 @@ #define SDHCI_PRESENT_STATE 0x24 #define SDHCI_CMD_INHIBIT 0x00000001 #define SDHCI_DATA_INHIBIT 0x00000002 + +#define SDHCI_DAT_4_TO_7_LVL_MASK 0x000000F0 + #define SDHCI_DOING_WRITE 0x00000100 #define SDHCI_DOING_READ 0x00000200 #define SDHCI_SPACE_AVAILABLE 0x00000400 @@ -80,6 +98,15 @@ #define SDHCI_DATA_0_LVL_MASK 0x00100000 #define SDHCI_CMD_LVL 0x01000000 +/* Host Version 4.10 */ + +#define SDHCI_HOST_REGULATOR_STABLE 0x02000000 +#define SDHCI_CMD_NOT_ISSUED_ERR 0x08000000 +#define SDHCI_SUB_CMD_STATUS 0x10000000 +#define SDHCI_UHS2_IN_DORMANT_STATE 0x20000000 +#define SDHCI_UHS2_LANE_SYNC 0x40000000 +#define SDHCI_UHS2_IF_DETECT 0x80000000 + #define SDHCI_HOST_CONTROL 0x28 #define SDHCI_CTRL_LED 0x01 #define SDHCI_CTRL_4BITBUS 0x02 @@ -117,7 +144,7 @@ #define SDHCI_CLOCK_CONTROL 0x2C #define SDHCI_DIVIDER_SHIFT 8 #define SDHCI_DIVIDER_HI_SHIFT 6 -#define SDHCI_DIV_MASK 0xFF +#define SDHCI_DIV_MASK 0xFF #define SDHCI_DIV_MASK_LEN 8 #define SDHCI_DIV_HI_MASK 0x300 #define SDHCI_PROG_CLOCK_MODE 0x0020 @@ -146,6 +173,10 @@ #define SDHCI_INT_CARD_REMOVE 0x00000080 #define SDHCI_INT_CARD_INT 0x00000100 #define SDHCI_INT_RETUNE 0x00001000 + +/* Host Version 4.10 */ +#define SDHCI_INT_FX_EVENT 0x00002000 + #define SDHCI_INT_CQE 0x00004000 #define SDHCI_INT_ERROR 0x00008000 #define SDHCI_INT_TIMEOUT 0x00010000 @@ -160,6 +191,9 @@ #define SDHCI_INT_ADMA_ERROR 0x02000000 #define SDHCI_INT_TUNING_ERROR 0x04000000 +/* Host Version 4.0 */ +#define SDHCI_INT_RESP_ERR 0x08000000 + #define SDHCI_INT_NORMAL_MASK 0x00007FFF #define SDHCI_INT_ERROR_MASK 0xFFFF8000 @@ -186,6 +220,9 @@ #define SDHCI_AUTO_CMD_END_BIT 0x00000008 #define SDHCI_AUTO_CMD_INDEX 0x00000010 +/* Host Version 4.10 */ +#define SDHCI_AUTO_CMD_RESP_ERR 0x0020 + #define SDHCI_HOST_CONTROL2 0x3E #define SDHCI_CTRL_UHS_MASK 0x0007 #define SDHCI_CTRL_UHS_SDR12 0x0000 @@ -194,6 +231,7 @@ #define SDHCI_CTRL_UHS_SDR104 0x0003 #define SDHCI_CTRL_UHS_DDR50 0x0004 #define SDHCI_CTRL_HS400 0x0005 /* Non-standard */ +#define SDHCI_CTRL_UHS2 0x0007 #define SDHCI_CTRL_VDD_180 0x0008 #define SDHCI_CTRL_DRV_TYPE_MASK 0x0030 #define SDHCI_CTRL_DRV_TYPE_B 0x0000 @@ -202,9 +240,12 @@ #define SDHCI_CTRL_DRV_TYPE_D 0x0030 #define SDHCI_CTRL_EXEC_TUNING 0x0040 #define SDHCI_CTRL_TUNED_CLK 0x0080 +#define SDHCI_CTRL_UHS2_ENABLE 0x0100 +#define SDHCI_CTRL_ADMA2_LEN_MODE 0x0400 #define SDHCI_CMD23_ENABLE 0x0800 #define SDHCI_CTRL_V4_MODE 0x1000 #define SDHCI_CTRL_64BIT_ADDR 0x2000 +#define SDHCI_CTRL_ASYNC_INT_ENABLE 0x4000 #define SDHCI_CTRL_PRESET_VAL_ENABLE 0x8000 #define SDHCI_CAPABILITIES 0x40 @@ -227,11 +268,13 @@ #define SDHCI_CAN_VDD_180 0x04000000 #define SDHCI_CAN_64BIT_V4 0x08000000 #define SDHCI_CAN_64BIT 0x10000000 +#define SDHCI_CAN_ASYNC_INT 0x20000000 #define SDHCI_CAPABILITIES_1 0x44 #define SDHCI_SUPPORT_SDR50 0x00000001 #define SDHCI_SUPPORT_SDR104 0x00000002 #define SDHCI_SUPPORT_DDR50 0x00000004 +#define SDHCI_SUPPORT_UHS2 0x00000008 #define SDHCI_DRIVER_TYPE_A 0x00000010 #define SDHCI_DRIVER_TYPE_C 0x00000020 #define SDHCI_DRIVER_TYPE_D 0x00000040 @@ -240,6 +283,7 @@ #define SDHCI_RETUNING_MODE_MASK GENMASK(15, 14) #define SDHCI_CLOCK_MUL_MASK GENMASK(23, 16) #define SDHCI_CAN_DO_ADMA3 0x08000000 +#define SDHCI_CAN_VDD2_180 0x10000000 /* UHS-2 1.8V VDD2 */ #define SDHCI_SUPPORT_HS400 0x80000000 /* Non-standard */ #define SDHCI_MAX_CURRENT 0x48 @@ -247,11 +291,14 @@ #define SDHCI_MAX_CURRENT_330_MASK GENMASK(7, 0) #define SDHCI_MAX_CURRENT_300_MASK GENMASK(15, 8) #define SDHCI_MAX_CURRENT_180_MASK GENMASK(23, 16) +#define SDHCI_MAX_CURRENT_1 0x4C +#define SDHCI_MAX_CURRENT_VDD2_180_MASK GENMASK(7, 0) /* UHS2 */ #define SDHCI_MAX_CURRENT_MULTIPLIER 4 /* 4C-4F reserved for more max current */ #define SDHCI_SET_ACMD12_ERROR 0x50 +/* Host Version 4.10 */ #define SDHCI_SET_INT_ERROR 0x52 #define SDHCI_ADMA_ERROR 0x54 @@ -270,10 +317,15 @@ #define SDHCI_PRESET_FOR_SDR104 0x6C #define SDHCI_PRESET_FOR_DDR50 0x6E #define SDHCI_PRESET_FOR_HS400 0x74 /* Non-standard */ + +/* UHS2 */ +#define SDHCI_PRESET_FOR_UHS2 0x74 #define SDHCI_PRESET_DRV_MASK GENMASK(15, 14) #define SDHCI_PRESET_CLKGEN_SEL BIT(10) #define SDHCI_PRESET_SDCLK_FREQ_MASK GENMASK(9, 0) +#define SDHCI_ADMA3_ADDRESS 0x78 + #define SDHCI_SLOT_INT_STATUS 0xFC #define SDHCI_HOST_VERSION 0xFE