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SPI flash: Block erase size 64KB not 32KB

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Reverts changes made in 9f9d92b2df
This commit is contained in:
Angus Gratton
2016-12-09 14:18:58 +11:00
parent bf7fbdf3cf
commit 8ba75a1e9f
3 changed files with 6 additions and 11 deletions
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11
components/esp32/include/rom/spi_flash.h
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@@ -384,8 +384,8 @@ SpiFlashOpResult SPIParamCfg(uint32_t deviceId, uint32_t chip_size, uint32_t blo
SpiFlashOpResult SPIEraseChip(void);
/**
* @brief Erase a 32KB block of flash
* Uses SPI flash command 52h.
* @brief Erase a 64KB block of flash
* Uses SPI flash command D8H.
* Please do not call this function in SDK.
*
* @param uint32_t block_num : Which block to erase.
@@ -398,6 +398,7 @@ SpiFlashOpResult SPIEraseBlock(uint32_t block_num);
/**
* @brief Erase a sector of flash.
* Uses SPI flash command 20H.
* Please do not call this function in SDK.
*
* @param uint32_t sector_num : Which sector to erase.
@@ -412,12 +413,6 @@ SpiFlashOpResult SPIEraseSector(uint32_t sector_num);
* @brief Erase some sectors.
* Please do not call this function in SDK.
*
* @note If calling this function, first set
* g_rom_flashchip.block_size = 32768; or call SPIParamCfg()
* with appropriate parameters. This is due to a ROM bug, the
* block erase command in use is a 32KB erase but after reset
* the block_size field is incorrectly set to 65536.
*
* @param uint32_t start_addr : Start addr to erase, should be sector aligned.
*
* @param uint32_t area_len : Length to erase, should be sector aligned.