解决了,原来是FLASH工作模式不支持4线,使用2线模式就能正常工作了
/* flash */
static const FlashBoardCfg g_flash_cfg[] = {
{
#if 1
.type = FLASH_DRV_FLASHC,
// .mode = FLASH_READ_QUAD_O_MODE,
.mode = FLASH_READ_DUAL_IO_MODE,
.clk = (96 * 1000 * 1000),
#else /* for spi */
.type = FLASH_DRV_SPI,
.mode = FLASH_READ_FAST_MODE,
.clk = BOARD_SPI_MCLK,
#endif
},
};

