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bugfix(flash): fix flash read error in DIO/26MHz mode

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This commit is contained in:
chenjianqiang 2019-06-27 20:19:26 +08:00
parent 737c8d4944
commit 4bce69b69a
1 changed files with 4 additions and 0 deletions
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4
components/bootloader_support/src/bootloader_init.c
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@ -335,6 +335,10 @@ static void IRAM_ATTR flash_gpio_configure(const esp_image_header_t* pfhdr)
SET_PERI_REG_BITS(SPI_USER1_REG(0), SPI_USR_DUMMY_CYCLELEN_V, spi_cache_dummy + FLASH_IO_MATRIX_DUMMY_40M, SET_PERI_REG_BITS(SPI_USER1_REG(0), SPI_USR_DUMMY_CYCLELEN_V, spi_cache_dummy + FLASH_IO_MATRIX_DUMMY_40M,
SPI_USR_DUMMY_CYCLELEN_S); //DUMMY SPI_USR_DUMMY_CYCLELEN_S); //DUMMY
break; break;
case ESP_IMAGE_SPI_SPEED_26M:
case ESP_IMAGE_SPI_SPEED_20M:
SET_PERI_REG_BITS(SPI_USER1_REG(0), SPI_USR_DUMMY_CYCLELEN_V, spi_cache_dummy, SPI_USR_DUMMY_CYCLELEN_S); //DUMMY
break;
default: default:
break; break;
} }