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feat(sdmmc): Add ESP32-P4 eMMC test board definition

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This commit is contained in:
Adam Múdry
2025-06-16 16:24:33 +02:00
parent 1ab7235b9e
commit 7154cd3173
2 changed files with 87 additions and 1 deletions
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4
components/esp_driver_sdmmc/test_apps/sd_test_utils/components/sdmmc_test_boards/Kconfig.projbuild
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@@ -37,6 +37,10 @@ menu "SDMMC Test Board Configuration"
bool "ESP32-P4 Function EV Board with SDSPI breakout"
depends on IDF_TARGET_ESP32P4
config SDMMC_BOARD_ESP32P4_EMMC_TEST
bool "ESP32-P4 eMMC Test Board v1"
depends on IDF_TARGET_ESP32P4
config SDMMC_BOARD_ESP32C5_BREAKOUT
bool "ESP32-C5 breakout board"
depends on IDF_TARGET_ESP32C5

84
components/esp_driver_sdmmc/test_apps/sd_test_utils/components/sdmmc_test_boards/sdmmc_test_board_defs.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -375,6 +375,88 @@ static const sdmmc_test_board_info_t s_board_info = {
},
};
#elif CONFIG_SDMMC_BOARD_ESP32P4_EMMC_TEST
#define SD_TEST_BOARD_EN_GPIO 23
#define SD_TEST_BOARD_EN_LEVEL 0
// Pin pulled down to discharge VDD_SDIO capacitors. CMD pin used here.
#define SD_TEST_BOARD_DISCHARGE_GPIO 19
#define SD_TEST_BOARD_PWR_RST_DELAY_MS 100
#define SD_TEST_BOARD_PWR_ON_DELAY_MS 100
static void card_power_set_esp32p4_emmc(bool en)
{
if (en) {
/* power off to make sure the card is reset */
gpio_reset_pin(SD_TEST_BOARD_EN_GPIO);
gpio_set_direction(SD_TEST_BOARD_EN_GPIO, GPIO_MODE_OUTPUT);
gpio_set_level(SD_TEST_BOARD_EN_GPIO, !SD_TEST_BOARD_EN_LEVEL);
/* discharge capacitors on VDD_SDIO */
gpio_reset_pin(SD_TEST_BOARD_DISCHARGE_GPIO);
gpio_set_direction(SD_TEST_BOARD_DISCHARGE_GPIO, GPIO_MODE_OUTPUT);
gpio_set_level(SD_TEST_BOARD_DISCHARGE_GPIO, 0);
usleep(SD_TEST_BOARD_PWR_RST_DELAY_MS * 1000);
/* power on */
gpio_reset_pin(SD_TEST_BOARD_DISCHARGE_GPIO);
gpio_set_level(SD_TEST_BOARD_EN_GPIO, SD_TEST_BOARD_EN_LEVEL);
usleep(SD_TEST_BOARD_PWR_ON_DELAY_MS * 1000);
} else {
/* power off the card */
gpio_set_level(SD_TEST_BOARD_EN_GPIO, !SD_TEST_BOARD_EN_LEVEL);
gpio_set_direction(SD_TEST_BOARD_EN_GPIO, GPIO_MODE_INPUT);
/* discharge capacitors on VDD_SDIO */
gpio_reset_pin(SD_TEST_BOARD_DISCHARGE_GPIO);
gpio_set_direction(SD_TEST_BOARD_DISCHARGE_GPIO, GPIO_MODE_OUTPUT);
gpio_set_level(SD_TEST_BOARD_DISCHARGE_GPIO, 0);
usleep(SD_TEST_BOARD_PWR_RST_DELAY_MS * 1000);
/* reset the pin but leaving it floating so that VDD_SDIO won't be charged again */
gpio_reset_pin(SD_TEST_BOARD_DISCHARGE_GPIO);
gpio_pullup_dis(SD_TEST_BOARD_DISCHARGE_GPIO);
}
}
static const sdmmc_test_board_info_t s_board_info = {
.name = "ESP32-P4 eMMC test board v1",
.slot = {
{
.slot_exists = true,
.is_emmc = true,
.bus_width = 8,
.clk = 43,
.cmd_mosi = 44,
.d0_miso = 39,
.d1 = 40,
.d2 = 41,
.d3_cs = 42,
.d4 = 45,
.d5 = 46,
.d6 = 47,
.d7 = 48,
.cd = GPIO_NUM_NC,
.wp = GPIO_NUM_NC,
.unused_pin = 54,
},
{
.slot_exists = true,
.bus_width = 4,
.clk = 18,
.cmd_mosi = 19,
.d0_miso = 14,
.d1 = 15,
.d2 = 16,
.d3_cs = 17,
.d4 = GPIO_NUM_NC,
.d5 = GPIO_NUM_NC,
.d6 = GPIO_NUM_NC,
.d7 = GPIO_NUM_NC,
.cd = 22,
.wp = GPIO_NUM_NC,
.unused_pin = 54,
}
},
.card_power_set = card_power_set_esp32p4_emmc
};
#elif CONFIG_SDMMC_BOARD_ESP32C5_BREAKOUT
static const sdmmc_test_board_info_t s_board_info = {