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spi_flash: Add ESP32-C3 support

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Based on internal commit 3ef01301fff
This commit is contained in:
Angus Gratton
2020-12-16 14:50:13 +11:00
parent c2364e133d
commit d4c9a45675
26 changed files with 493 additions and 98 deletions
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44
components/spi_flash/cache_utils.c
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@@ -875,6 +875,50 @@ esp_err_t esp_enable_cache_wrap(bool icache_wrap_enable, bool dcache_wrap_enable
}
#endif
#if CONFIG_IDF_TARGET_ESP32C3
static IRAM_ATTR void esp_enable_cache_flash_wrap(bool icache)
{
uint32_t i_autoload;
if (icache) {
i_autoload = Cache_Suspend_ICache();
}
REG_SET_BIT(EXTMEM_CACHE_WRAP_AROUND_CTRL_REG, EXTMEM_CACHE_FLASH_WRAP_AROUND);
if (icache) {
Cache_Resume_ICache(i_autoload);
}
}
esp_err_t esp_enable_cache_wrap(bool icache_wrap_enable)
{
int flash_wrap_size = 0;
bool flash_support_wrap = false;
if (icache_wrap_enable) {
flash_wrap_size = 32;
}
#ifdef CONFIG_FLASHMODE_QIO
flash_support_wrap = true;
extern bool spi_flash_support_wrap_size(uint32_t wrap_size);
if (!spi_flash_support_wrap_size(flash_wrap_size)) {
flash_support_wrap = false;
ESP_EARLY_LOGW(TAG, "Flash do not support wrap size %d.", flash_wrap_size);
}
#else
ESP_EARLY_LOGW(TAG, "Flash is not in QIO mode, do not support wrap.");
#endif // CONFIG_FLASHMODE_QIO
extern esp_err_t spi_flash_enable_wrap(uint32_t wrap_size);
if (flash_support_wrap && flash_wrap_size > 0) {
ESP_EARLY_LOGI(TAG, "Flash wrap enabled, size = %d.", flash_wrap_size);
spi_flash_enable_wrap(flash_wrap_size);
esp_enable_cache_flash_wrap((flash_wrap_size > 0));
}
return ESP_OK;
}
#endif // CONFIG_IDF_TARGET_ESP32C3
void IRAM_ATTR spi_flash_enable_cache(uint32_t cpuid)
{
#if CONFIG_IDF_TARGET_ESP32