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esp32: Add KConfig option to disable ROM Console fallback on first boot

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Angus Gratton
2017-08-22 14:55:23 +10:00
committed by Angus Gratton
parent 881aa43b69
commit 1e22bcdfde
4 changed files with 43 additions and 4 deletions
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13
components/bootloader_support/src/efuse.c
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@@ -12,6 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include "esp_efuse.h"
#include "esp_log.h"
#define EFUSE_CONF_WRITE 0x5A5A /* efuse_pgm_op_ena, force no rd/wr disable */
#define EFUSE_CONF_READ 0x5AA5 /* efuse_read_op_ena, release force */
@@ -19,6 +20,8 @@
#define EFUSE_CMD_PGM 0x02
#define EFUSE_CMD_READ 0x01
static const char *TAG = "efuse";
void esp_efuse_burn_new_values(void)
{
REG_WRITE(EFUSE_CONF_REG, EFUSE_CONF_WRITE);
@@ -45,3 +48,13 @@ void esp_efuse_reset(void)
}
}
}
void esp_efuse_disable_basic_rom_console(void)
{
if ((REG_READ(EFUSE_BLK0_RDATA6_REG) & EFUSE_RD_CONSOLE_DEBUG_DISABLE) == 0) {
ESP_EARLY_LOGI(TAG, "Disable BASIC ROM Console fallback via efuse...");
esp_efuse_reset();
REG_WRITE(EFUSE_BLK0_WDATA6_REG, EFUSE_RD_CONSOLE_DEBUG_DISABLE);
esp_efuse_burn_new_values();
}
}