sdio: c6 support

components/soc/esp32c6/CMakeLists.txt

@@ -16,7 +16,8 @@ set(srcs
     "uart_periph.c"
     "temperature_sensor_periph.c"
     "timer_periph.c"
-    "twai_periph.c")
+    "twai_periph.c"
+    "sdio_slave_periph.c")
 
 add_prefix(srcs "${CMAKE_CURRENT_LIST_DIR}/" "${srcs}")
 

components/soc/esp32c6/include/soc/Kconfig.soc_caps.in

@@ -127,6 +127,10 @@ config SOC_SECURE_BOOT_SUPPORTED
     bool
     default y
 
+config SOC_SDIO_SLAVE_SUPPORTED
+    bool
+    default y
+
 config SOC_BOD_SUPPORTED
     bool
     default y

components/soc/esp32c6/include/soc/host_struct.h

@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  *  SPDX-License-Identifier: Apache-2.0
  */
@@ -2654,7 +2654,7 @@ typedef union {
 } slchost_inf_st_reg_t;
 
 
-typedef struct slchost_dev_t {
+typedef struct host_dev_t {
     uint32_t reserved_000[4];
     volatile slchost_func2_0_reg_t func2_0;
     volatile slchost_func2_1_reg_t func2_1;
@@ -2725,12 +2725,12 @@ typedef struct slchost_dev_t {
     uint32_t reserved_180[28];
     volatile slchost_conf_reg_t conf;
     volatile slchost_inf_st_reg_t inf_st;
-} slchost_dev_t;
+} host_dev_t;
 
-extern slchost_dev_t HOST;
+extern host_dev_t HOST;
 
 #ifndef __cplusplus
-_Static_assert(sizeof(slchost_dev_t) == 0x1f8, "Invalid size of slchost_dev_t structure");
+_Static_assert(sizeof(host_dev_t) == 0x1f8, "Invalid size of host_dev_t structure");
 #endif
 
 #ifdef __cplusplus

components/soc/esp32c6/include/soc/periph_defs.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -33,6 +33,7 @@ typedef enum {
     PERIPH_ECC_MODULE,
     PERIPH_HMAC_MODULE,
     PERIPH_DS_MODULE,
+    PERIPH_SDIO_SLAVE_MODULE,
     PERIPH_GDMA_MODULE,
     PERIPH_MCPWM0_MODULE,
     PERIPH_ETM_MODULE,

components/soc/esp32c6/include/soc/sdio_slave_pins.h

@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#define SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_CMD  18
+#define SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_CLK  19
+#define SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_D0   20
+#define SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_D1   21
+#define SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_D2   22
+#define SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_D3   23
+#define SDIO_SLAVE_SLOT0_FUNC               0

components/soc/esp32c6/include/soc/soc_caps.h

@@ -60,6 +60,7 @@
 #define SOC_ECC_SUPPORTED               1
 #define SOC_FLASH_ENC_SUPPORTED         1
 #define SOC_SECURE_BOOT_SUPPORTED       1
+#define SOC_SDIO_SLAVE_SUPPORTED        1
 #define SOC_BOD_SUPPORTED               1
 #define SOC_APM_SUPPORTED               1
 

components/soc/esp32c6/sdio_slave_periph.c

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include <stdint.h>
+#include "soc/sdio_slave_periph.h"
+#include "soc/sdio_slave_pins.h"
+
+const sdio_slave_slot_info_t sdio_slave_slot_info[1]  = {
+    {
+        .clk_gpio = SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_CLK,
+        .cmd_gpio = SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_CMD,
+        .d0_gpio = SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_D0,
+        .d1_gpio = SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_D1,
+        .d2_gpio = SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_D2,
+        .d3_gpio = SDIO_SLAVE_SLOT0_IOMUX_PIN_NUM_D3,
+        .func = SDIO_SLAVE_SLOT0_FUNC,
+    },
+};