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spi_flash_erase_range: Allow for 32KB blocks not 64KB blocks

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SPI flash hardware sends 52h command, which is a 32KB erase.

There is a matching bug in the ROM SPIEraseArea code, unless
flashchip->block_size is modified first.
This commit is contained in:
Angus Gratton
2016-11-24 16:58:36 +11:00
parent 7e433ae3f4
commit be53a6950c
2 changed files with 12 additions and 2 deletions
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5
components/spi_flash/flash_ops.c
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@@ -31,6 +31,9 @@
#include "esp_log.h"
#include "cache_utils.h"
/* bytes erased by SPIEraseBlock() ROM function */
#define BLOCK_ERASE_SIZE 32768
#if CONFIG_SPI_FLASH_ENABLE_COUNTERS
static const char* TAG = "spi_flash";
static spi_flash_counters_t s_flash_stats;
@@ -100,7 +103,7 @@ esp_err_t IRAM_ATTR spi_flash_erase_range(uint32_t start_addr, uint32_t size)
}
size_t start = start_addr / SPI_FLASH_SEC_SIZE;
size_t end = start + size / SPI_FLASH_SEC_SIZE;
const size_t sectors_per_block = 16;
const size_t sectors_per_block = BLOCK_ERASE_SIZE / SPI_FLASH_SEC_SIZE;
COUNTER_START();
spi_flash_disable_interrupts_caches_and_other_cpu();
SpiFlashOpResult rc;