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Date: Fri, 10 Jul 2020 19:10:21 +0800
From: Ben Chuang <benchuanggli@...il.com>
To: adrian.hunter@...el.com, ulf.hansson@...aro.org
Cc: linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
ben.chuang@...esyslogic.com.tw, takahiro.akashi@...aro.org,
greg.tu@...esyslogic.com.tw, Ben Chuang <benchuanggli@...il.com>
Subject: [RFC PATCH V3 09/21] mmc: sdhci: add UHS-II related definitions in headers
From: AKASHI Takahiro <takahiro.akashi@...aro.org>
Add UHS-II related definitions in shdci.h and sdhci-uhs2.h.
Signed-off-by: Ben Chuang <ben.chuang@...esyslogic.com.tw>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@...aro.org>
---
drivers/mmc/host/sdhci-uhs2.h | 215 ++++++++++++++++++++++++++++++++++
drivers/mmc/host/sdhci.h | 91 +++++++++++++-
2 files changed, 305 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..a7f53f95d69a
--- /dev/null
+++ b/drivers/mmc/host/sdhci-uhs2.h
@@ -0,0 +1,215 @@
+/* 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 and I/O accessors.
+ *
+ * Copyright (C) 2014 Intel Corp, All Rights Reserved.
+ */
+#ifndef __SDHCI_UHS2_H
+#define __SDHCI_UHS2_H
+
+#include <linux/mmc/host.h>
+#include <linux/mmc/core.h>
+#include <linux/mmc/uhs2.h>
+
+/*
+ * UHS-II Controller registers
+ * 0x74 preset in sdhci.h
+ * 0x80
+ * 0x84-0xB4
+ * 0xB8-0xCF
+ * 0xE0-0xE7
+ */
+/* UHS2 */
+#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 0x0001
+#define SDHCI_UHS2_TRNS_BLK_CNT_EN 0x0002
+#define SDHCI_UHS2_TRNS_DATA_TRNS_WRT 0x0010
+#define SDHCI_UHS2_TRNS_BLK_BYTE_MODE 0x0020
+#define SDHCI_UHS2_TRNS_RES_R5 0x0040
+#define SDHCI_UHS2_TRNS_RES_ERR_CHECK_EN 0x0080
+#define SDHCI_UHS2_TRNS_RES_INT_DIS 0x0100
+#define SDHCI_UHS2_TRNS_WAIT_EBSY 0x4000
+#define SDHCI_UHS2_TRNS_2L_HD 0x8000
+
+#define SDHCI_UHS2_COMMAND 0x9E
+#define SDHCI_UHS2_COMMAND_SUB_CMD 0x0004
+#define SDHCI_UHS2_COMMAND_DATA 0x0020
+#define SDHCI_UHS2_COMMAND_TRNS_ABORT 0x0040
+#define SDHCI_UHS2_COMMAND_CMD12 0x0080
+#define SDHCI_UHS2_COMMAND_DORMANT 0x00C0
+#define SDHCI_UHS2_COMMAND_PACK_LEN_MASK 0x1F00
+#define SDHCI_UHS2_COMMAND_PACK_LEN_SHIFT 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_SELECT_DEV_SEL_MASK 0x0F
+#define SDHCI_UHS2_DEV_SELECT_INT_MSG_EN 0x80
+
+#define SDHCI_UHS2_DEV_INT_CODE 0xBF
+
+#define SDHCI_UHS2_SW_RESET 0xC0
+#define SDHCI_UHS2_SW_RESET_FULL 0x0001
+#define SDHCI_UHS2_SW_RESET_SD 0x0002
+
+#define SDHCI_UHS2_TIMER_CTRL 0xC2
+#define SDHCI_UHS2_TIMER_CTRL_DEADLOCK_SHIFT 4
+
+#define SDHCI_UHS2_ERR_INT_STATUS 0xC4
+#define SDHCI_UHS2_ERR_INT_STATUS_EN 0xC8
+#define SDHCI_UHS2_ERR_INT_SIG_EN 0xCC
+#define SDHCI_UHS2_ERR_INT_STATUS_HEADER 0x00000001
+#define SDHCI_UHS2_ERR_INT_STATUS_RES 0x00000002
+#define SDHCI_UHS2_ERR_INT_STATUS_RETRY_EXP 0x00000004
+#define SDHCI_UHS2_ERR_INT_STATUS_CRC 0x00000008
+#define SDHCI_UHS2_ERR_INT_STATUS_FRAME 0x00000010
+#define SDHCI_UHS2_ERR_INT_STATUS_TID 0x00000020
+#define SDHCI_UHS2_ERR_INT_STATUS_UNRECOVER 0x00000080
+#define SDHCI_UHS2_ERR_INT_STATUS_EBUSY 0x00000100
+#define SDHCI_UHS2_ERR_INT_STATUS_ADMA 0x00008000
+#define SDHCI_UHS2_ERR_INT_STATUS_RES_TIMEOUT 0x00010000
+#define SDHCI_UHS2_ERR_INT_STATUS_DEADLOCK_TIMEOUT 0x00020000
+#define SDHCI_UHS2_ERR_INT_STATUS_VENDOR 0x08000000
+#define SDHCI_UHS2_ERR_INT_STATUS_MASK \
+ (SDHCI_UHS2_ERR_INT_STATUS_HEADER | \
+ SDHCI_UHS2_ERR_INT_STATUS_RES | \
+ SDHCI_UHS2_ERR_INT_STATUS_RETRY_EXP | \
+ SDHCI_UHS2_ERR_INT_STATUS_CRC | \
+ SDHCI_UHS2_ERR_INT_STATUS_FRAME | \
+ SDHCI_UHS2_ERR_INT_STATUS_TID | \
+ SDHCI_UHS2_ERR_INT_STATUS_UNRECOVER | \
+ SDHCI_UHS2_ERR_INT_STATUS_EBUSY | \
+ SDHCI_UHS2_ERR_INT_STATUS_ADMA | \
+ SDHCI_UHS2_ERR_INT_STATUS_RES_TIMEOUT | \
+ SDHCI_UHS2_ERR_INT_STATUS_DEADLOCK_TIMEOUT)
+#define SDHCI_UHS2_ERR_INT_STATUS_CMD_MASK \
+ (SDHCI_UHS2_ERR_INT_STATUS_HEADER | \
+ SDHCI_UHS2_ERR_INT_STATUS_RES | \
+ SDHCI_UHS2_ERR_INT_STATUS_FRAME | \
+ SDHCI_UHS2_ERR_INT_STATUS_TID | \
+ SDHCI_UHS2_ERR_INT_STATUS_RES_TIMEOUT)
+/* CRC Error occurs during a packet receiving */
+#define SDHCI_UHS2_ERR_INT_STATUS_DATA_MASK \
+ (SDHCI_UHS2_ERR_INT_STATUS_RETRY_EXP | \
+ SDHCI_UHS2_ERR_INT_STATUS_CRC | \
+ SDHCI_UHS2_ERR_INT_STATUS_UNRECOVER | \
+ SDHCI_UHS2_ERR_INT_STATUS_EBUSY | \
+ SDHCI_UHS2_ERR_INT_STATUS_ADMA | \
+ SDHCI_UHS2_ERR_INT_STATUS_DEADLOCK_TIMEOUT)
+
+#define SDHCI_UHS2_SET_PTR 0xE0
+#define SDHCI_UHS2_GEN_SET_POWER_LOW 0x0001
+#define SDHCI_UHS2_GEN_SET_N_LANES_POS 8
+#define SDHCI_UHS2_GEN_SET_2L_FD_HD 0x0
+#define SDHCI_UHS2_GEN_SET_2D1U_FD 0x2
+#define SDHCI_UHS2_GEN_SET_1D2U_FD 0x3
+#define SDHCI_UHS2_GEN_SET_2D2U_FD 0x4
+
+#define SDHCI_UHS2_PHY_SET_SPEED_POS 6
+#define SDHCI_UHS2_PHY_SET_HIBER_EN 0x00008000
+#define SDHCI_UHS2_PHY_SET_N_LSS_SYN_MASK 0x000F0000
+#define SDHCI_UHS2_PHY_SET_N_LSS_SYN_POS 16
+#define SDHCI_UHS2_PHY_SET_N_LSS_DIR_MASK 0x00F00000
+#define SDHCI_UHS2_PHY_SET_N_LSS_DIR_POS 20
+
+#define SDHCI_UHS2_TRAN_SET_N_FCU_MASK 0x0000FF00
+#define SDHCI_UHS2_TRAN_SET_N_FCU_POS 8
+#define SDHCI_UHS2_TRAN_SET_RETRY_CNT_MASK 0x00030000
+#define SDHCI_UHS2_TRAN_SET_RETRY_CNT_POS 16
+
+#define SDHCI_UHS2_TRAN_SET_1_N_DAT_GAP_MASK 0x000000FF
+
+#define SDHCI_UHS2_HOST_CAPS_PTR 0xE2
+#define SDHCI_UHS2_HOST_CAPS_GEN_OFFSET 0
+#define SDHCI_UHS2_HOST_CAPS_GEN_DAP_MASK 0x0000000F
+#define SDHCI_UHS2_HOST_CAPS_GEN_GAP_MASK 0x000000F0
+#define SDHCI_UHS2_HOST_CAPS_GEN_GAP(gap) ((gap) * 360)
+#define SDHCI_UHS2_HOST_CAPS_GEN_GAP_SHIFT 4
+#define SDHCI_UHS2_HOST_CAPS_GEN_LANE_MASK 0x00003F00
+#define SDHCI_UHS2_HOST_CAPS_GEN_LANE_SHIFT 8
+#define SDHCI_UHS2_HOST_CAPS_GEN_2L_HD_FD 1
+#define SDHCI_UHS2_HOST_CAPS_GEN_2D1U_FD 2
+#define SDHCI_UHS2_HOST_CAPS_GEN_1D2U_FD 4
+#define SDHCI_UHS2_HOST_CAPS_GEN_2D2U_FD 8
+#define SDHCI_UHS2_HOST_CAPS_GEN_ADDR_64 0x00004000
+#define SDHCI_UHS2_HOST_CAPS_GEN_BOOT 0x00008000
+#define SDHCI_UHS2_HOST_CAPS_GEN_DEV_TYPE_MASK 0x00030000
+#define SDHCI_UHS2_HOST_CAPS_GEN_DEV_TYPE_SHIFT 16
+#define SDHCI_UHS2_HOST_CAPS_GEN_DEV_TYPE_RMV 0
+#define SDHCI_UHS2_HOST_CAPS_GEN_DEV_TYPE_EMB 1
+#define SDHCI_UHS2_HOST_CAPS_GEN_DEV_TYPE_EMB_RMV 2
+#define SDHCI_UHS2_HOST_CAPS_GEN_NUM_DEV_MASK 0x003C0000
+#define SDHCI_UHS2_HOST_CAPS_GEN_NUM_DEV_SHIFT 18
+#define SDHCI_UHS2_HOST_CAPS_GEN_BUS_TOPO_MASK 0x00C00000
+#define SDHCI_UHS2_HOST_CAPS_GEN_BUS_TOPO_SHIFT 22
+#define SDHCI_UHS2_HOST_CAPS_GEN_BUS_TOPO_P2P 0
+#define SDHCI_UHS2_HOST_CAPS_GEN_BUS_TOPO_RING 1
+#define SDHCI_UHS2_HOST_CAPS_GEN_BUS_TOPO_HUB 2
+#define SDHCI_UHS2_HOST_CAPS_GEN_BUS_TOPO_HUB_RING 3
+
+#define SDHCI_UHS2_HOST_CAPS_PHY_OFFSET 4
+#define SDHCI_UHS2_HOST_CAPS_PHY_REV_MASK 0x0000003F
+#define SDHCI_UHS2_HOST_CAPS_PHY_RANGE_MASK 0x000000C0
+#define SDHCI_UHS2_HOST_CAPS_PHY_RANGE_SHIFT 6
+#define SDHCI_UHS2_HOST_CAPS_PHY_RANGE_A 0
+#define SDHCI_UHS2_HOST_CAPS_PHY_RANGE_B 1
+#define SDHCI_UHS2_HOST_CAPS_PHY_N_LSS_SYN_MASK 0x000F0000
+#define SDHCI_UHS2_HOST_CAPS_PHY_N_LSS_SYN_SHIFT 16
+#define SDHCI_UHS2_HOST_CAPS_PHY_N_LSS_DIR_MASK 0x00F00000
+#define SDHCI_UHS2_HOST_CAPS_PHY_N_LSS_DIR_SHIFT 20
+#define SDHCI_UHS2_HOST_CAPS_TRAN_OFFSET 8
+#define SDHCI_UHS2_HOST_CAPS_TRAN_LINK_REV_MASK 0x0000003F
+#define SDHCI_UHS2_HOST_CAPS_TRAN_N_FCU_MASK 0x0000FF00
+#define SDHCI_UHS2_HOST_CAPS_TRAN_N_FCU_SHIFT 8
+#define SDHCI_UHS2_HOST_CAPS_TRAN_HOST_TYPE_MASK 0x00070000
+#define SDHCI_UHS2_HOST_CAPS_TRAN_HOST_TYPE_SHIFT 16
+#define SDHCI_UHS2_HOST_CAPS_TRAN_BLK_LEN_MASK 0xFFF00000
+#define SDHCI_UHS2_HOST_CAPS_TRAN_BLK_LEN_SHIFT 20
+
+#define SDHCI_UHS2_HOST_CAPS_TRAN_1_OFFSET 12
+#define SDHCI_UHS2_HOST_CAPS_TRAN_1_N_DATA_GAP_MASK 0x000000FF
+
+#define SDHCI_UHS2_TEST_PTR 0xE4
+#define SDHCI_UHS2_TEST_ERR_HEADER 0x00000001
+#define SDHCI_UHS2_TEST_ERR_RES 0x00000002
+#define SDHCI_UHS2_TEST_ERR_RETRY_EXP 0x00000004
+#define SDHCI_UHS2_TEST_ERR_CRC 0x00000008
+#define SDHCI_UHS2_TEST_ERR_FRAME 0x00000010
+#define SDHCI_UHS2_TEST_ERR_TID 0x00000020
+#define SDHCI_UHS2_TEST_ERR_UNRECOVER 0x00000080
+#define SDHCI_UHS2_TEST_ERR_EBUSY 0x00000100
+#define SDHCI_UHS2_TEST_ERR_ADMA 0x00008000
+#define SDHCI_UHS2_TEST_ERR_RES_TIMEOUT 0x00010000
+#define SDHCI_UHS2_TEST_ERR_DEADLOCK_TIMEOUT 0x00020000
+#define SDHCI_UHS2_TEST_ERR_VENDOR 0x08000000
+
+#define SDHCI_UHS2_EMBED_CTRL 0xE6
+#define SDHCI_UHS2_VENDOR 0xE8
+
+void sdhci_uhs2_reset(struct sdhci_host *host, u16 mask);
+void sdhci_uhs2_clear_set_irqs(struct sdhci_host *host, u32 clear, u32 set);
+
+#endif /* __SDHCI_UHS2_H */
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 0008bbd27127..ecf55394ea46 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -43,8 +43,27 @@
#define SDHCI_TRNS_READ 0x10
#define SDHCI_TRNS_MULTI 0x20
+/*
+ * Defined in Host Version 4.10.
+ * 1 - R5 (SDIO)
+ * 0 - R1 (Memory)
+ */
+#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.
+ * CMD53(SDIO) - main command
+ * CMD52(SDIO) - sub command which doesn't have data block or doesn't
+ * indicate busy.
+ */
+#define SDHCI_CMD_SUB_CMD 0x04
+
#define SDHCI_CMD_CRC 0x08
#define SDHCI_CMD_INDEX 0x10
#define SDHCI_CMD_DATA 0x20
@@ -60,11 +79,19 @@
#define SDHCI_RESPONSE 0x10
+#define SDHCI_RESPONSE_CM_TRAN_ABORT_OFFSET 0x10
+#define SDHCI_RESPONSE_CM_TRAN_ABORT_SIZE 4
+#define SDHCI_RESPONSE_SD_TRAN_ABORT_OFFSET 0x18
+#define SDHCI_RESPONSE_SD_TRAN_ABORT_SIZE 8
+
#define SDHCI_BUFFER 0x20
#define SDHCI_PRESENT_STATE 0x24
#define SDHCI_CMD_INHIBIT 0x00000001
#define SDHCI_DATA_INHIBIT 0x00000002
+
+#define SDHCI_DATA_HIGH_LVL_MASK 0x000000F0
+
#define SDHCI_DOING_WRITE 0x00000100
#define SDHCI_DOING_READ 0x00000200
#define SDHCI_SPACE_AVAILABLE 0x00000400
@@ -80,6 +107,13 @@
#define SDHCI_DATA_0_LVL_MASK 0x00100000
#define SDHCI_CMD_LVL 0x01000000
+#define SDHCI_HOST_REGULATOR_STABLE 0x02000000
+#define SDHCI_CMD_NOT_ISSUE_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
@@ -100,6 +134,11 @@
#define SDHCI_POWER_300 0x0C
#define SDHCI_POWER_330 0x0E
+/* VDD2 - UHS2 */
+#define SDHCI_VDD2_POWER_ON 0x10
+#define SDHCI_VDD2_POWER_180 0xA0
+#define SDHCI_VDD2_POWER_120 0x80
+
#define SDHCI_BLOCK_GAP_CONTROL 0x2A
#define SDHCI_WAKE_UP_CONTROL 0x2B
@@ -110,7 +149,7 @@
#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
@@ -139,6 +178,10 @@
#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
@@ -152,6 +195,9 @@
#define SDHCI_INT_AUTO_CMD_ERR 0x01000000
#define SDHCI_INT_ADMA_ERROR 0x02000000
+/* Host Version 4.0 */
+#define SDHCI_INT_RESPONSE_ERROR 0x08000000
+
#define SDHCI_INT_NORMAL_MASK 0x00007FFF
#define SDHCI_INT_ERROR_MASK 0xFFFF8000
@@ -178,6 +224,9 @@
#define SDHCI_AUTO_CMD_END_BIT 0x00000008
#define SDHCI_AUTO_CMD_INDEX 0x00000010
+/* Host Version 4.10 */
+#define SDHCI_ACMD_RESPONSE_ERROR 0x0020
+
#define SDHCI_HOST_CONTROL2 0x3E
#define SDHCI_CTRL_UHS_MASK 0x0007
#define SDHCI_CTRL_UHS_SDR12 0x0000
@@ -186,6 +235,7 @@
#define SDHCI_CTRL_UHS_SDR104 0x0003
#define SDHCI_CTRL_UHS_DDR50 0x0004
#define SDHCI_CTRL_HS400 0x0005 /* Non-standard */
+#define SDHCI_CTRL_UHS_2 0x0007 /* UHS-2 */
#define SDHCI_CTRL_VDD_180 0x0008
#define SDHCI_CTRL_DRV_TYPE_MASK 0x0030
#define SDHCI_CTRL_DRV_TYPE_B 0x0000
@@ -194,9 +244,12 @@
#define SDHCI_CTRL_DRV_TYPE_D 0x0030
#define SDHCI_CTRL_EXEC_TUNING 0x0040
#define SDHCI_CTRL_TUNED_CLK 0x0080
+#define SDHCI_CTRL_UHS2_INTERFACE_EN 0x0100 /* UHS-2 */
+#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_EN 0x4000
#define SDHCI_CTRL_PRESET_VAL_ENABLE 0x8000
#define SDHCI_CAPABILITIES 0x40
@@ -217,11 +270,13 @@
#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 /* UHS-2 support */
#define SDHCI_DRIVER_TYPE_A 0x00000010
#define SDHCI_DRIVER_TYPE_C 0x00000020
#define SDHCI_DRIVER_TYPE_D 0x00000040
@@ -230,19 +285,28 @@
#define SDHCI_RETUNING_MODE_MASK GENMASK(15, 14)
#define SDHCI_CLOCK_MUL_MASK GENMASK(23, 16)
#define SDHCI_CAN_DO_ADMA3 0x08000000
+#define SDHCI_SUPPORT_VDD2_180 0x10000000 /* UHS-2 1.8V VDD2 */
+#define SDHCI_RSVD_FOR_VDD2 0x20000000 /* Rsvd for future VDD2 */
#define SDHCI_SUPPORT_HS400 0x80000000 /* Non-standard */
#define SDHCI_MAX_CURRENT 0x48
+#define SDHCI_MAX_CURRENT_1 0x4C
#define SDHCI_MAX_CURRENT_LIMIT GENMASK(7, 0)
#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_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_ACMD_RESPONSE_ERROR 0x20
#define SDHCI_SET_INT_ERROR 0x52
+/* Host Version 4.10 */
+#define SDHCI_SET_INT_TUNING_ERROR 0x0400
+#define SDHCI_SET_INT_RESPONSE_ERROR 0x0800
#define SDHCI_ADMA_ERROR 0x54
@@ -259,10 +323,16 @@
#define SDHCI_PRESET_FOR_SDR104 0x6C
#define SDHCI_PRESET_FOR_DDR50 0x6E
#define SDHCI_PRESET_FOR_HS400 0x74 /* Non-standard */
+
+/* TODO: 0x74 is used for UHS2 in 4.10. How about HS400? */
+/* 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
@@ -653,6 +723,25 @@ struct sdhci_ops {
void (*dump_vendor_regs)(struct sdhci_host *host);
};
+struct sdhci_uhs2_ops {
+ /* UHS-2 support */
+ void (*reset)(struct sdhci_host *host, u16 mask);
+ void (*set_timeout)(struct sdhci_host *host);
+ void (*set_transfer_mode)(struct sdhci_host *host,
+ struct mmc_command *cmd);
+ void (*send_command)(struct sdhci_host *host,
+ struct mmc_command *cmd);
+ void (*finish_command)(struct sdhci_host *host);
+ void (*do_set_ios)(struct sdhci_host *host, struct mmc_ios *ios);
+ int (*do_detect_init)(struct sdhci_host *host);
+ int (*do_set_reg)(struct sdhci_host *host, enum uhs2_act act);
+ void (*irq)(struct sdhci_host *host);
+ int (*add_host)(struct sdhci_host *host, u32 caps1);
+ void (*remove_host)(struct sdhci_host *host, int dead);
+};
+
+extern struct sdhci_uhs2_ops sdhci_uhs2_ops;
+
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
--
2.27.0
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