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Posted to commits@nuttx.apache.org by xi...@apache.org on 2021/07/17 16:00:53 UTC
[incubator-nuttx] 02/05: xtensa/esp32: Implement MTDIOC_ERASESTATE
for SPI Flash driver
This is an automated email from the ASF dual-hosted git repository.
xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit df2e890cfcd3bd326e268396b42c4b4f827db72a
Author: Gustavo Henrique Nihei <gu...@espressif.com>
AuthorDate: Tue Jul 13 19:33:56 2021 -0300
xtensa/esp32: Implement MTDIOC_ERASESTATE for SPI Flash driver
Signed-off-by: Gustavo Henrique Nihei <gu...@espressif.com>
---
arch/xtensa/src/esp32/esp32_spiflash.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/xtensa/src/esp32/esp32_spiflash.c b/arch/xtensa/src/esp32/esp32_spiflash.c
index 571e067..5da7893 100644
--- a/arch/xtensa/src/esp32/esp32_spiflash.c
+++ b/arch/xtensa/src/esp32/esp32_spiflash.c
@@ -69,6 +69,7 @@
#define SPI_FLASH_ENCRYPT_UNIT_SIZE (32)
#define SPI_FLASH_ENCRYPT_WORDS (32 / 4)
+#define SPI_FLASH_ERASED_STATE (0xff)
#define ESP32_MTD_OFFSET CONFIG_ESP32_MTD_OFFSET
#define ESP32_MTD_SIZE CONFIG_ESP32_MTD_SIZE
@@ -1933,6 +1934,15 @@ static int esp32_ioctl(FAR struct mtd_dev_s *dev, int cmd,
}
break;
+ case MTDIOC_ERASESTATE:
+ {
+ FAR uint8_t *result = (FAR uint8_t *)arg;
+ *result = SPI_FLASH_ERASED_STATE;
+
+ ret = OK;
+ }
+ break;
+
default:
ret = -ENOTTY;
break;