spi_flash: enable spi_flash write unit-test on esp32c3

components/spi_flash/test/test_read_write.c

@@ -141,28 +141,48 @@ TEST_CASE("Test spi_flash_read", "[spi_flash][esp_flash]")
 #endif
 }
 
-#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32C3)
-// TODO ESP32C3 IDF-2579
-
+#if CONFIG_IDF_TARGET_ESP32
+static void IRAM_ATTR fix_rom_func(void)
+{
+    return; // ESP32 ROM has no compatible issue for now
+}
+# else
+extern void spi_common_set_dummy_output(esp_rom_spiflash_read_mode_t mode);
+extern void spi_dummy_len_fix(uint8_t spi, uint8_t freqdiv);
 static void IRAM_ATTR fix_rom_func(void)
 {
-#ifdef CONFIG_IDF_TARGET_ESP32S2
     esp_rom_spiflash_read_mode_t read_mode;
-#  if defined CONFIG_ESPTOOLPY_FLASHMODE_QIO
+    uint8_t freqdiv;
+#if defined CONFIG_ESPTOOLPY_FLASHMODE_QIO
     read_mode = ESP_ROM_SPIFLASH_QIO_MODE;
-#  elif defined CONFIG_ESPTOOLPY_FLASHMODE_QOUT
+#elif defined CONFIG_ESPTOOLPY_FLASHMODE_QOUT
     read_mode = ESP_ROM_SPIFLASH_QOUT_MODE;
-#  elif defined CONFIG_ESPTOOLPY_FLASHMODE_DIO
+#elif defined CONFIG_ESPTOOLPY_FLASHMODE_DIO
     read_mode = ESP_ROM_SPIFLASH_DIO_MODE;
-#  elif defined CONFIG_ESPTOOLPY_FLASHMODE_DOUT
+#elif defined CONFIG_ESPTOOLPY_FLASHMODE_DOUT
     read_mode = ESP_ROM_SPIFLASH_DOUT_MODE;
-#  endif
-    //Currently only call this can fix the rom_read issue, maybe we need to call more functions (freq, dummy, etc) in the future
+#endif
+
+#  if defined CONFIG_ESPTOOLPY_FLASHFREQ_80M
+    freqdiv = 1;
+#  elif defined CONFIG_ESPTOOLPY_FLASHFREQ_40M
+    freqdiv = 2;
+#  elif defined CONFIG_ESPTOOLPY_FLASHFREQ_26M
+    freqdiv = 3;
+#  elif defined CONFIG_ESPTOOLPY_FLASHFREQ_20M
+    freqdiv = 4;
+#endif
+
     spi_flash_disable_interrupts_caches_and_other_cpu();
+    esp_rom_spiflash_config_clk(freqdiv, 1);
+    spi_dummy_len_fix(1, freqdiv);
     esp_rom_spiflash_config_readmode(read_mode);
+#if !CONFIG_IDF_TARGET_ESP32S2
+    spi_common_set_dummy_output(read_mode);
+#endif //!CONFIG_IDF_TARGET_ESP32S2
     spi_flash_enable_interrupts_caches_and_other_cpu();
-#endif
 }
+#endif
 
 static void IRAM_ATTR test_write(int dst_off, int src_off, int len)
 {
@@ -267,8 +287,6 @@ TEST_CASE("Test spi_flash_write", "[spi_flash][esp_flash]")
 #endif
 }
 
-#endif //TEMPORARY_DISABLED_FOR_TARGETS(ESP32C3)
-
 #ifdef CONFIG_SPIRAM
 
 TEST_CASE("spi_flash_read can read into buffer in external RAM", "[spi_flash]")