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esp_flash: add support for external flash on C3

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This commit is contained in:
Michael (XIAO Xufeng)
2020-12-16 14:21:06 +08:00
parent 7ed95d13b1
commit 7f3e61cf63
4 changed files with 41 additions and 18 deletions
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5
components/spi_flash/esp_flash_spi_init.c
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@@ -117,7 +117,7 @@ static IRAM_ATTR NOINLINE_ATTR void cs_initialize(esp_flash_t *chip, const esp_f
if (use_iomux) {
PIN_FUNC_SELECT(iomux_reg, spics_func);
} else {
#if CONFIG_IDF_TARGET_ESP32C3
#if SOC_GPIO_PIN_COUNT <= 32
GPIO.enable_w1ts.val = (0x1 << cs_io_num);
#else
if (cs_io_num < 32) {
@@ -141,6 +141,9 @@ esp_err_t spi_bus_add_flash_device(esp_flash_t **out_chip, const esp_flash_spi_d
if (out_chip == NULL) {
return ESP_ERR_INVALID_ARG;
}
if (!GPIO_IS_VALID_OUTPUT_GPIO(config->cs_io_num)) {
return ESP_ERR_INVALID_ARG;
}
esp_flash_t *chip = NULL;
memspi_host_inst_t *host = NULL;
esp_err_t ret = ESP_OK;