spi_flash: Add GD25LQ255E flash support

This commit is contained in:
Cao Sen Miao
2023-05-12 19:05:43 +08:00
parent d7a141f3ea
commit 1ec55b7d1a
3 changed files with 43 additions and 3 deletions

View File

@@ -41,6 +41,7 @@
#define MXIC_ID 0xC2
#define GD_Q_ID_HIGH 0xC8
#define GD_Q_ID_MID 0x40
#define GD_LQ_ID_MID 0x60
#define GD_Q_ID_LOW 0x16
#define ESP_BOOTLOADER_SPIFLASH_BP_MASK_ISSI (BIT7 | BIT5 | BIT4 | BIT3 | BIT2)
@@ -467,6 +468,11 @@ FORCE_INLINE_ATTR bool is_gd_q_chip(const esp_rom_spiflash_chip_t* chip)
return BYTESHIFT(chip->device_id, 2) == GD_Q_ID_HIGH && BYTESHIFT(chip->device_id, 1) == GD_Q_ID_MID && BYTESHIFT(chip->device_id, 0) >= GD_Q_ID_LOW;
}
FORCE_INLINE_ATTR bool is_gd_lq_chip(const esp_rom_spiflash_chip_t* chip)
{
return BYTESHIFT(chip->device_id, 2) == GD_Q_ID_HIGH && BYTESHIFT(chip->device_id, 1) == GD_LQ_ID_MID && BYTESHIFT(chip->device_id, 0) >= GD_Q_ID_LOW;
}
FORCE_INLINE_ATTR bool is_mxic_chip(const esp_rom_spiflash_chip_t* chip)
{
return BYTESHIFT(chip->device_id, 2) == MXIC_ID;
@@ -494,7 +500,7 @@ esp_err_t IRAM_ATTR __attribute__((weak)) bootloader_flash_unlock(void)
*/
sr1_bit_num = 8;
new_status = status & (~ESP_BOOTLOADER_SPIFLASH_BP_MASK_ISSI);
} else if (is_gd_q_chip(&g_rom_flashchip)) {
} else if (is_gd_q_chip(&g_rom_flashchip) || is_gd_lq_chip(&g_rom_flashchip)) {
/* The GD chips behaviour is to clear all bits in SR1 and clear bits in SR2 except QE bit.
Use 01H to write SR1 and 31H to write SR2.
*/