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[2001:b400:e286:d458:bc89:d4cd:bd42:ffb5]) by smtp.gmail.com with ESMTPSA id u2-20020a631402000000b005b4b70738e5sm1229224pgl.8.2023.11.17.03.32.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Nov 2023 03:32:12 -0800 (PST) From: Victor Shih To: ulf.hansson@linaro.org, adrian.hunter@intel.com Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, benchuanggli@gmail.com, HL.Liu@genesyslogic.com.tw, Greg.tu@genesyslogic.com.tw, takahiro.akashi@linaro.org, dlunev@chromium.org, Victor Shih , Jason Lai , Victor Shih Subject: [PATCH V13 05/21] mmc: core: Add definitions for SD UHS-II cards Date: Fri, 17 Nov 2023 19:31:33 +0800 Message-Id: <20231117113149.9069-6-victorshihgli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231117113149.9069-1-victorshihgli@gmail.com> References: <20231117113149.9069-1-victorshihgli@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Fri, 17 Nov 2023 03:32:46 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782810691698787811 X-GMAIL-MSGID: 1782810691698787811 From: Victor Shih Add UHS-II specific data structures for commands and defines for registers, as described in Part 1 UHS-II Addendum Version 1.01. UHS-II related definitions are listed below: 1. UHS-II card capability: sd_uhs2_caps{} 2. UHS-II configuration: sd_uhs2_config{} 3. UHS-II register I/O address and register field definitions: sd_uhs2.h Signed-off-by: Ulf Hansson Signed-off-by: Jason Lai Signed-off-by: Victor Shih --- Updates in V12: - Remove unused max_current_180_vdd2. Updates in V10: - Drop unnecessary definitions. Updates in V7: - Remove unnecessary definitions. Updates in V6: - Remove unnecessary definitions and functions. --- include/linux/mmc/card.h | 31 ++++- include/linux/mmc/host.h | 25 +++- include/linux/mmc/sd_uhs2.h | 240 ++++++++++++++++++++++++++++++++++++ 3 files changed, 294 insertions(+), 2 deletions(-) create mode 100644 include/linux/mmc/sd_uhs2.h diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index a574ce6f7454..a8639c2ff397 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -187,6 +187,12 @@ struct sd_switch_caps { #define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400) #define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600) #define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800) + +#define SD4_SET_POWER_LIMIT_0_72W 0 +#define SD4_SET_POWER_LIMIT_1_44W 1 +#define SD4_SET_POWER_LIMIT_2_16W 2 +#define SD4_SET_POWER_LIMIT_2_88W 3 +#define SD4_SET_POWER_LIMIT_1_80W 4 }; struct sd_ext_reg { @@ -210,7 +216,30 @@ struct sd_ext_reg { struct sd_uhs2_config { u32 node_id; - /* TODO: Extend with more register configs. */ + + u32 n_fcu; + u32 maxblk_len; + u8 n_lanes; + u8 dadr_len; + u8 app_type; + u8 phy_minor_rev; + u8 phy_major_rev; + u8 can_hibernate; + u8 n_lss_sync; + u8 n_lss_dir; + u8 link_minor_rev; + u8 link_major_rev; + u8 dev_type; + u8 n_data_gap; + + u32 n_fcu_set; + u32 maxblk_len_set; + u8 n_lanes_set; + u8 speed_range_set; + u8 n_lss_sync_set; + u8 n_lss_dir_set; + u8 n_data_gap_set; + u8 max_retry_set; }; struct sdio_cccr { diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 093de2a8f5de..491b2586fa51 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -16,6 +16,7 @@ #include #include #include +#include struct mmc_ios { unsigned int clock; /* clock rate */ @@ -99,7 +100,29 @@ struct mmc_clk_phase_map { }; struct sd_uhs2_caps { - /* TODO: Add UHS-II capabilities for the host. */ + u32 dap; + u32 gap; + u32 group_desc; + u32 maxblk_len; + u32 n_fcu; + u8 n_lanes; + u8 addr64; + u8 card_type; + u8 phy_rev; + u8 speed_range; + u8 n_lss_sync; + u8 n_lss_dir; + u8 link_rev; + u8 host_type; + u8 n_data_gap; + + u32 maxblk_len_set; + u32 n_fcu_set; + u8 n_lanes_set; + u8 n_lss_sync_set; + u8 n_lss_dir_set; + u8 n_data_gap_set; + u8 max_retry_set; }; enum sd_uhs2_operation { diff --git a/include/linux/mmc/sd_uhs2.h b/include/linux/mmc/sd_uhs2.h new file mode 100644 index 000000000000..7abe9bd870c7 --- /dev/null +++ b/include/linux/mmc/sd_uhs2.h @@ -0,0 +1,240 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Header file for UHS-II packets, Host Controller registers and I/O + * accessors. + * + * Copyright (C) 2014 Intel Corp, All Rights Reserved. + */ +#ifndef LINUX_MMC_UHS2_H +#define LINUX_MMC_UHS2_H + +/* LINK Layer definition */ +/* + * UHS2 Header: + * Refer to UHS-II Addendum Version 1.02 Figure 5-2, the format of CCMD Header is described below: + * bit [3:0] : DID(Destination ID = Node ID of UHS2 card) + * bit [6:4] : TYP(Packet Type) + * 000b: CCMD(Control command packet) + * 001b: DCMD(Data command packet) + * 010b: RES(Response packet) + * 011b: DATA(Data payload packet) + * 111b: MSG(Message packet) + * Others: Reserved + * bit [7] : NP(Native Packet) + * bit [10:8] : TID(Transaction ID) + * bit [11] : Reserved + * bit [15:12]: SID(Source ID 0: Node ID of Host) + * + * Broadcast CCMD issued by Host is represented as DID=SID=0. + */ +/* + * UHS2 Argument: + * Refer to UHS-II Addendum Version 1.02 Figure 6-5, the format of CCMD Argument is described below: + * bit [3:0] : MSB of IOADR + * bit [5:4] : PLEN(Payload Length) + * 00b: 0 byte + * 01b: 4 bytes + * 10b: 8 bytes + * 11b: 16 bytes + * bit [6] : Reserved + * bit [7] : R/W(Read/Write) + * 0: Control read command + * 1: Control write command + * bit [15:8] : LSB of IOADR + * + * I/O Address specifies the address of register in UHS-II I/O space accessed by CCMD. + * The unit of I/O Address is 4 Bytes. It is transmitted in MSB first, LSB last. + */ +#define UHS2_NATIVE_PACKET_POS 7 +#define UHS2_NATIVE_PACKET (1 << UHS2_NATIVE_PACKET_POS) + +#define UHS2_PACKET_TYPE_POS 4 +#define UHS2_PACKET_TYPE_CCMD (0 << UHS2_PACKET_TYPE_POS) +#define UHS2_PACKET_TYPE_DCMD (1 << UHS2_PACKET_TYPE_POS) +#define UHS2_PACKET_TYPE_RES (2 << UHS2_PACKET_TYPE_POS) +#define UHS2_PACKET_TYPE_DATA (3 << UHS2_PACKET_TYPE_POS) +#define UHS2_PACKET_TYPE_MSG (7 << UHS2_PACKET_TYPE_POS) + +#define UHS2_DEST_ID_MASK 0x0F +#define UHS2_DEST_ID 0x1 + +#define UHS2_SRC_ID_POS 12 +#define UHS2_SRC_ID_MASK 0xF000 + +#define UHS2_TRANS_ID_POS 8 +#define UHS2_TRANS_ID_MASK 0x0700 + +/* UHS2 MSG */ +#define UHS2_MSG_CTG_POS 5 +#define UHS2_MSG_CTG_LMSG 0x00 +#define UHS2_MSG_CTG_INT 0x60 +#define UHS2_MSG_CTG_AMSG 0x80 + +#define UHS2_MSG_CTG_FCREQ 0x00 +#define UHS2_MSG_CTG_FCRDY 0x01 +#define UHS2_MSG_CTG_STAT 0x02 + +#define UHS2_MSG_CODE_POS 8 +#define UHS2_MSG_CODE_FC_UNRECOVER_ERR 0x8 +#define UHS2_MSG_CODE_STAT_UNRECOVER_ERR 0x8 +#define UHS2_MSG_CODE_STAT_RECOVER_ERR 0x1 + +/* TRANS Layer definition */ + +/* Native packets*/ +#define UHS2_NATIVE_CMD_RW_POS 7 +#define UHS2_NATIVE_CMD_WRITE (1 << UHS2_NATIVE_CMD_RW_POS) +#define UHS2_NATIVE_CMD_READ (0 << UHS2_NATIVE_CMD_RW_POS) + +#define UHS2_NATIVE_CMD_PLEN_POS 4 +#define UHS2_NATIVE_CMD_PLEN_4B (1 << UHS2_NATIVE_CMD_PLEN_POS) +#define UHS2_NATIVE_CMD_PLEN_8B (2 << UHS2_NATIVE_CMD_PLEN_POS) +#define UHS2_NATIVE_CMD_PLEN_16B (3 << UHS2_NATIVE_CMD_PLEN_POS) + +#define UHS2_NATIVE_CCMD_GET_MIOADR_MASK 0xF00 +#define UHS2_NATIVE_CCMD_MIOADR_MASK 0x0F + +#define UHS2_NATIVE_CCMD_LIOADR_POS 8 +#define UHS2_NATIVE_CCMD_GET_LIOADR_MASK 0x0FF + +#define UHS2_CCMD_DEV_INIT_COMPLETE_FLAG BIT(11) +#define UHS2_DEV_INIT_PAYLOAD_LEN 1 +#define UHS2_DEV_INIT_RESP_LEN 6 +#define UHS2_DEV_ENUM_PAYLOAD_LEN 1 +#define UHS2_DEV_ENUM_RESP_LEN 8 +#define UHS2_CFG_WRITE_PAYLOAD_LEN 2 +#define UHS2_CFG_WRITE_PHY_SET_RESP_LEN 4 +#define UHS2_CFG_WRITE_GENERIC_SET_RESP_LEN 5 +#define UHS2_GO_DORMANT_PAYLOAD_LEN 1 + +/* + * UHS2 Argument: + * Refer to UHS-II Addendum Version 1.02 Figure 6-8, the format of DCMD Argument is described below: + * bit [3:0] : Reserved + * bit [6:3] : TMODE(Transfer Mode) + * bit 3: DAM(Data Access Mode) + * bit 4: TLUM(TLEN Unit Mode) + * bit 5: LM(Length Mode) + * bit 6: DM(Duplex Mode) + * bit [7] : R/W(Read/Write) + * 0: Control read command + * 1: Control write command + * bit [15:8] : Reserved + * + * I/O Address specifies the address of register in UHS-II I/O space accessed by CCMD. + * The unit of I/O Address is 4 Bytes. It is transmitted in MSB first, LSB last. + */ +#define UHS2_DCMD_DM_POS 6 +#define UHS2_DCMD_2L_HD_MODE (1 << UHS2_DCMD_DM_POS) +#define UHS2_DCMD_LM_POS 5 +#define UHS2_DCMD_LM_TLEN_EXIST (1 << UHS2_DCMD_LM_POS) +#define UHS2_DCMD_TLUM_POS 4 +#define UHS2_DCMD_TLUM_BYTE_MODE (1 << UHS2_DCMD_TLUM_POS) +#define UHS2_NATIVE_DCMD_DAM_POS 3 +#define UHS2_NATIVE_DCMD_DAM_IO (1 << UHS2_NATIVE_DCMD_DAM_POS) + +#define UHS2_RES_NACK_POS 7 +#define UHS2_RES_NACK_MASK (0x1 << UHS2_RES_NACK_POS) + +#define UHS2_RES_ECODE_POS 4 +#define UHS2_RES_ECODE_MASK 0x7 +#define UHS2_RES_ECODE_COND 1 +#define UHS2_RES_ECODE_ARG 2 +#define UHS2_RES_ECODE_GEN 3 + +/* IOADR of device registers */ +#define UHS2_IOADR_GENERIC_CAPS 0x00 +#define UHS2_IOADR_PHY_CAPS 0x02 +#define UHS2_IOADR_LINK_CAPS 0x04 +#define UHS2_IOADR_RSV_CAPS 0x06 +#define UHS2_IOADR_GENERIC_SETTINGS 0x08 +#define UHS2_IOADR_PHY_SETTINGS 0x0A +#define UHS2_IOADR_LINK_SETTINGS 0x0C +#define UHS2_IOADR_PRESET 0x40 + +/* SD application packets */ +#define UHS2_SD_CMD_INDEX_POS 8 + +#define UHS2_SD_CMD_APP_POS 14 +#define UHS2_SD_CMD_APP (1 << UHS2_SD_CMD_APP_POS) + +/* UHS-II Device Registers */ +#define UHS2_DEV_CONFIG_REG 0x000 + +/* General Caps and Settings registers */ +#define UHS2_DEV_CONFIG_GEN_CAPS (UHS2_DEV_CONFIG_REG + 0x000) +#define UHS2_DEV_CONFIG_N_LANES_POS 8 +#define UHS2_DEV_CONFIG_N_LANES_MASK 0x3F +#define UHS2_DEV_CONFIG_2L_HD_FD 0x1 +#define UHS2_DEV_CONFIG_2D1U_FD 0x2 +#define UHS2_DEV_CONFIG_1D2U_FD 0x4 +#define UHS2_DEV_CONFIG_2D2U_FD 0x8 +#define UHS2_DEV_CONFIG_DADR_POS 14 +#define UHS2_DEV_CONFIG_DADR_MASK 0x1 +#define UHS2_DEV_CONFIG_APP_POS 16 +#define UHS2_DEV_CONFIG_APP_MASK 0xFF +#define UHS2_DEV_CONFIG_APP_SD_MEM 0x1 + +#define UHS2_DEV_CONFIG_GEN_SET (UHS2_DEV_CONFIG_REG + 0x008) +#define UHS2_DEV_CONFIG_GEN_SET_N_LANES_POS 8 +#define UHS2_DEV_CONFIG_GEN_SET_2L_FD_HD 0x0 +#define UHS2_DEV_CONFIG_GEN_SET_2D1U_FD 0x2 +#define UHS2_DEV_CONFIG_GEN_SET_1D2U_FD 0x3 +#define UHS2_DEV_CONFIG_GEN_SET_2D2U_FD 0x4 +#define UHS2_DEV_CONFIG_GEN_SET_CFG_COMPLETE BIT(31) + +/* PHY Caps and Settings registers */ +#define UHS2_DEV_CONFIG_PHY_CAPS (UHS2_DEV_CONFIG_REG + 0x002) +#define UHS2_DEV_CONFIG_PHY_MINOR_MASK 0xF +#define UHS2_DEV_CONFIG_PHY_MAJOR_POS 4 +#define UHS2_DEV_CONFIG_PHY_MAJOR_MASK 0x3 +#define UHS2_DEV_CONFIG_CAN_HIBER_POS 15 +#define UHS2_DEV_CONFIG_CAN_HIBER_MASK 0x1 +#define UHS2_DEV_CONFIG_PHY_CAPS1 (UHS2_DEV_CONFIG_REG + 0x003) +#define UHS2_DEV_CONFIG_N_LSS_SYN_MASK 0xF +#define UHS2_DEV_CONFIG_N_LSS_DIR_POS 4 +#define UHS2_DEV_CONFIG_N_LSS_DIR_MASK 0xF + +#define UHS2_DEV_CONFIG_PHY_SET (UHS2_DEV_CONFIG_REG + 0x00A) +#define UHS2_DEV_CONFIG_PHY_SET_SPEED_POS 6 +#define UHS2_DEV_CONFIG_PHY_SET_SPEED_A 0x0 +#define UHS2_DEV_CONFIG_PHY_SET_SPEED_B 0x1 + +/* LINK-TRAN Caps and Settings registers */ +#define UHS2_DEV_CONFIG_LINK_TRAN_CAPS (UHS2_DEV_CONFIG_REG + 0x004) +#define UHS2_DEV_CONFIG_LT_MINOR_MASK 0xF +#define UHS2_DEV_CONFIG_LT_MAJOR_POS 4 +#define UHS2_DEV_CONFIG_LT_MAJOR_MASK 0x3 +#define UHS2_DEV_CONFIG_N_FCU_POS 8 +#define UHS2_DEV_CONFIG_N_FCU_MASK 0xFF +#define UHS2_DEV_CONFIG_DEV_TYPE_POS 16 +#define UHS2_DEV_CONFIG_DEV_TYPE_MASK 0x7 +#define UHS2_DEV_CONFIG_MAX_BLK_LEN_POS 20 +#define UHS2_DEV_CONFIG_MAX_BLK_LEN_MASK 0xFFF +#define UHS2_DEV_CONFIG_LINK_TRAN_CAPS1 (UHS2_DEV_CONFIG_REG + 0x005) +#define UHS2_DEV_CONFIG_N_DATA_GAP_MASK 0xFF + +#define UHS2_DEV_CONFIG_LINK_TRAN_SET (UHS2_DEV_CONFIG_REG + 0x00C) +#define UHS2_DEV_CONFIG_LT_SET_MAX_BLK_LEN 0x200 +#define UHS2_DEV_CONFIG_LT_SET_MAX_RETRY_POS 16 + +/* Preset register */ +#define UHS2_DEV_CONFIG_PRESET (UHS2_DEV_CONFIG_REG + 0x040) + +#define UHS2_DEV_INT_REG 0x100 + +#define UHS2_DEV_STATUS_REG 0x180 + +#define UHS2_DEV_CMD_REG 0x200 +#define UHS2_DEV_CMD_FULL_RESET (UHS2_DEV_CMD_REG + 0x000) +#define UHS2_DEV_CMD_GO_DORMANT_STATE (UHS2_DEV_CMD_REG + 0x001) +#define UHS2_DEV_CMD_DORMANT_HIBER BIT(7) +#define UHS2_DEV_CMD_DEVICE_INIT (UHS2_DEV_CMD_REG + 0x002) +#define UHS2_DEV_INIT_COMPLETE_FLAG BIT(11) +#define UHS2_DEV_CMD_ENUMERATE (UHS2_DEV_CMD_REG + 0x003) +#define UHS2_DEV_CMD_TRANS_ABORT (UHS2_DEV_CMD_REG + 0x004) + +#define UHS2_RCLK_MAX 52000000 +#define UHS2_RCLK_MIN 26000000 + +#endif /* LINUX_MMC_UHS2_H */