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Posted to commits@nuttx.apache.org by xi...@apache.org on 2021/07/17 16:00:56 UTC
[incubator-nuttx] 05/05: risc-v/esp32c3: 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 c05feda208efe6c88797a8821f15a93393cb87ea
Author: Gustavo Henrique Nihei <gu...@espressif.com>
AuthorDate: Fri Jul 16 14:21:57 2021 -0300
risc-v/esp32c3: Implement MTDIOC_ERASESTATE for SPI Flash driver
Signed-off-by: Gustavo Henrique Nihei <gu...@espressif.com>
---
arch/risc-v/src/esp32c3/esp32c3_spiflash.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/risc-v/src/esp32c3/esp32c3_spiflash.c b/arch/risc-v/src/esp32c3/esp32c3_spiflash.c
index ecd9ad8..24b48a1 100644
--- a/arch/risc-v/src/esp32c3/esp32c3_spiflash.c
+++ b/arch/risc-v/src/esp32c3/esp32c3_spiflash.c
@@ -74,6 +74,7 @@
#define SPI_FLASH_BLK_SIZE 256
#define SPI_FLASH_ERASE_SIZE 4096
+#define SPI_FLASH_ERASED_STATE (0xff)
#define SPI_FLASH_SIZE (4 * 1024 * 1024)
#define ESP32C3_MTD_OFFSET CONFIG_ESP32C3_MTD_OFFSET
@@ -875,6 +876,15 @@ static int esp32c3_ioctl(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;