feat(sdmmc): supported UHS-I SDR104 (200 MHz) on ESP32-P4 rev3

Author: Icarus113

components/esp_driver_sdmmc/src/sd_host_sdmmc.c

@@ -217,8 +217,8 @@ static esp_err_t sd_host_slot_sdmmc_configure(sd_host_slot_handle_t slot, const
     if (config->freq_hz == SDMMC_FREQ_SDR104 * 1000) {
         unsigned chip_version = efuse_hal_chip_revision();
         ESP_LOGD(TAG, "chip_version: %d", chip_version);
-        if (!ESP_CHIP_REV_ABOVE(chip_version, 200)) {
-            ESP_RETURN_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, TAG, "UHS-I SDR104 is not supported on ESP32P4 chips prior than v2.0");
+        if (!ESP_CHIP_REV_ABOVE(chip_version, 300)) {
+            ESP_RETURN_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, TAG, "UHS-I SDR104 is not supported on ESP32P4 chips prior than v3.0");
         }
     }
 #endif

components/sdmmc/sd_pwr_ctrl/sd_pwr_ctrl_by_on_chip_ldo.c

@@ -38,6 +38,7 @@ esp_err_t sd_pwr_ctrl_new_on_chip_ldo(const sd_pwr_ctrl_ldo_config_t *configs, s
     ESP_GOTO_ON_FALSE(ctx, ESP_ERR_NO_MEM, err, TAG, "no mem for on-chip ldo control driver context");
 
     esp_ldo_channel_config_t chan_cfg = {
+        .voltage_mv = 3300,
         .chan_id = configs->ldo_chan_id,
         .flags.adjustable = true, // the SDMMC power control driver will adjust the voltage later according to different speed mode
     };

components/soc/esp32p4/register/hw_ver3/soc/sdmmc_eco5_struct.h

@@ -484,63 +484,6 @@ typedef union {
     uint32_t val;
 } sdhost_cmd_reg_t;
 
-
-/** Group: Response data register */
-/** Type of resp0 register
- *  Response data register
- */
-typedef union {
-    struct {
-        /** response0_reg : RO; bitpos: [31:0]; default: 0;
-         *  Bit[31:0] of response.
-         */
-        uint32_t response0_reg:32;
-    };
-    uint32_t val;
-} sdhost_resp0_reg_t;
-
-
-/** Group: Long response data register */
-/** Type of resp1 register
- *  Long response data register
- */
-typedef union {
-    struct {
-        /** response1_reg : RO; bitpos: [31:0]; default: 0;
-         *  Bit[63:32] of long response.
-         */
-        uint32_t response1_reg:32;
-    };
-    uint32_t val;
-} sdhost_resp1_reg_t;
-
-/** Type of resp2 register
- *  Long response data register
- */
-typedef union {
-    struct {
-        /** response2_reg : RO; bitpos: [31:0]; default: 0;
-         *  Bit[95:64] of long response.
-         */
-        uint32_t response2_reg:32;
-    };
-    uint32_t val;
-} sdhost_resp2_reg_t;
-
-/** Type of resp3 register
- *  Long response data register
- */
-typedef union {
-    struct {
-        /** response3_reg : RO; bitpos: [31:0]; default: 0;
-         *  Bit[127:96] of long response.
-         */
-        uint32_t response3_reg:32;
-    };
-    uint32_t val;
-} sdhost_resp3_reg_t;
-
-
 /** Group: Masked interrupt status register */
 /** Type of mintsts register
  *  Masked interrupt status register
@@ -606,22 +549,7 @@ typedef union {
          *  Bit 1 (RE): Response error;
          *  Bit 0 (CD): Card detect.
          */
-        uint32_t cd:1;
-        uint32_t re:1;
-        uint32_t cmd_done:1;
-        uint32_t dto:1;
-        uint32_t txdr:1;
-        uint32_t rxdr:1;
-        uint32_t rcrc:1;
-        uint32_t dcrc:1;
-        uint32_t rto:1;
-        uint32_t drto:1;
-        uint32_t hto:1;
-        uint32_t frun:1;
-        uint32_t hle:1;
-        uint32_t sbi_bci:1;
-        uint32_t acd:1;
-        uint32_t ebe:1;
+        uint32_t int_status_raw:16;
         /** sdio_interrupt_raw : R/W; bitpos: [17:16]; default: 0;
          *  Interrupt from SDIO card, one bit for each card. Bit[17:16] correspond to card1 and
          *  card0, respectively. Setting a bit clears the corresponding interrupt bit and
@@ -920,10 +848,10 @@ typedef union {
          */
         uint32_t volt:2;
         uint32_t reserved_0:14;
-        /** ddr: R/W; bitpos: [17:16]; default: 0;
-         *  DDR mode selection, 1 bit for each card.
-         *  0: Non-DDR mode.
-         *  1: DDR mode.
+        /** ddr : R/W; bitpos: [17:16]; default: 0;
+         *  DDR mode selection,1 bit for each card.
+         *  0-Non-DDR mode.
+         *  1-DDR mode.
          */
         uint32_t ddr:2;
         uint32_t reserved_18:14;
@@ -1444,7 +1372,7 @@ typedef struct sdmmc_dev_t {
     volatile sdhost_intmask_reg_t intmask;
     volatile uint32_t cmdarg;
     volatile sdhost_cmd_reg_t cmd;
-    volatile uint32_t resp[4];           ///< Response from card
+    volatile uint32_t resp[4];
     volatile sdhost_mintsts_reg_t mintsts;
     volatile sdhost_rintsts_reg_t rintsts;
     volatile sdhost_status_reg_t status;

components/soc/esp32p4/register/hw_ver3/soc/sdmmc_struct.h

@@ -74,7 +74,7 @@ Overview
 .. only:: esp32p4
 
     - :c:macro:`SDMMC_HOST_SLOT_1` is routed via GPIO Matrix. This means that any GPIO may be used for each of the SD card signals. It is for non UHS-I usage.
-    - :c:macro:`SDMMC_HOST_SLOT_0` is dedicated to UHS-I mode, which is not yet supported in the driver.
+    - :c:macro:`SDMMC_HOST_SLOT_0` is dedicated to UHS-I mode.
 
     On {IDF_TARGET_NAME}, SDMMC host requires an external power supply for the IO voltage. Please refer to :ref:`pwr-ctrl` for details.
 
@@ -87,6 +87,7 @@ SDMMC Host driver supports the following speed modes:
 
   - Default Speed (20 MHz): 1-line or 4-line with SD cards, and 1-line, 4-line, or 8-line with 3.3 V eMMC
   - High Speed (40 MHz): 1-line or 4-line with SD cards, and 1-line, 4-line, or 8-line with 3.3 V eMMC
+  :SOC_SDMMC_UHS_I_SUPPORTED: - UHS-I 1.8 V, SDR104 (200 MHz): 4-line with SD cards
   :SOC_SDMMC_UHS_I_SUPPORTED: - UHS-I 1.8 V, SDR50 (100 MHz): 4-line with SD cards
   :SOC_SDMMC_UHS_I_SUPPORTED: - UHS-I 1.8 V, DDR50 (50 MHz): 4-line with SD cards
   - High Speed DDR (40 MHz): 4-line with 3.3 V eMMC

docs/en/api-reference/peripherals/sdmmc_host.rst

@@ -74,7 +74,7 @@ SDMMC 主机驱动
 .. only:: esp32p4
 
     - 卡槽 :c:macro:`SDMMC_HOST_SLOT_1` 通过 GPIO 交换矩阵路由，即任何 GPIO 都可以用于每个 SD 卡信号。这适用于非 UHS-I 用途。
-    - 卡槽 :c:macro:`SDMMC_HOST_SLOT_0` 专用于 UHS-I 模式，驱动程序中尚不支持该模式。
+    - 卡槽 :c:macro:`SDMMC_HOST_SLOT_0` 专用于 UHS-I 模式。
 
     在 {IDF_TARGET_NAME} 上，SDMMC 主机需要外部电源为 IO 电压供电。详情请参阅 :ref:`pwr-ctrl`。
 
@@ -87,6 +87,7 @@ SDMMC 主机驱动支持以下速率模式：
 
   - 默认速率 (20 MHz)：对于 SD 卡，支持 1 线或 4 线传输；对于 3.3 V eMMC，支持 1 线、4 线或 8 线传输。
   - 高速模式 (40 MHz)：对于 SD 卡，支持 1 线或 4 线传输；对于 3.3 V eMMC，支持 1 线、4 线或 8 线传输。
+  :SOC_SDMMC_UHS_I_SUPPORTED: - UHS-I 1.8 V, SDR104 模式 (200 MHz)：支持 4 线 SD 卡传输。
   :SOC_SDMMC_UHS_I_SUPPORTED: - UHS-I 1.8 V SDR50 模式 (100 MHz)：支持 4 线 SD 卡传输。
   :SOC_SDMMC_UHS_I_SUPPORTED: - UHS-I 1.8 V DDR50 模式 (50 MHz)：支持 4 线 SD 卡传输。
   - 高速 DDR 模式 (40 MHz)：对于 3.3 V eMMC，支持 4 线传输。

docs/zh_CN/api-reference/peripherals/sdmmc_host.rst

@@ -47,6 +47,12 @@ menu "SD/MMC Example Configuration"
             depends on SOC_SDMMC_UHS_I_SUPPORTED
     endchoice
 
+    config EXAMPLE_PIN_CARD_POWER_RESET
+        int
+        depends on SOC_SDMMC_IO_POWER_EXTERNAL
+        prompt "Card Power Reset"
+        default 45
+
     config EXAMPLE_PIN_CMD
         int
         prompt "CMD GPIO number" if SOC_SDMMC_USE_GPIO_MATRIX

examples/storage/sd_card/sdmmc/main/Kconfig.projbuild

@@ -14,6 +14,7 @@
 #include "esp_vfs_fat.h"
 #include "sdmmc_cmd.h"
 #include "driver/sdmmc_host.h"
+#include "driver/gpio.h"
 #include "sd_test_io.h"
 #if SOC_SDMMC_IO_POWER_EXTERNAL
 #include "sd_pwr_ctrl_by_on_chip_ldo.h"
@@ -98,6 +99,38 @@ static esp_err_t s_example_read_file(const char *path)
     return ESP_OK;
 }
 
+#if CONFIG_EXAMPLE_PIN_CARD_POWER_RESET
+static esp_err_t s_example_reset_card_power(void)
+{
+    esp_err_t ret = ESP_FAIL;
+    gpio_config_t io_conf = {
+        .mode = GPIO_MODE_OUTPUT,
+        .pin_bit_mask = (1ULL<<CONFIG_EXAMPLE_PIN_CARD_POWER_RESET),
+    };
+    ret = gpio_config(&io_conf);
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to config GPIO");
+        return ret;
+    }
+
+    ret = gpio_set_level(CONFIG_EXAMPLE_PIN_CARD_POWER_RESET, 1);
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to set GPIO level");
+        return ret;
+    }
+
+    vTaskDelay(100 / portTICK_PERIOD_MS);
+
+    ret = gpio_set_level(CONFIG_EXAMPLE_PIN_CARD_POWER_RESET, 0);
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to set GPIO level");
+        return ret;
+    }
+
+    return ESP_OK;
+}
+#endif // CONFIG_EXAMPLE_PIN_CARD_POWER_RESET
+
 void app_main(void)
 {
     esp_err_t ret;
@@ -161,6 +194,10 @@ void app_main(void)
     host.pwr_ctrl_handle = pwr_ctrl_handle;
 #endif
 
+#if CONFIG_EXAMPLE_PIN_CARD_POWER_RESET
+    ESP_ERROR_CHECK(s_example_reset_card_power());
+#endif
+
     // This initializes the slot without card detect (CD) and write protect (WP) signals.
     // Modify slot_config.gpio_cd and slot_config.gpio_wp if your board has these signals.
     sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();