CTRL_CE_STOP_ACTIVE
ctl |= CTRL_IO_MODE_USER | CTRL_CE_STOP_ACTIVE;
ctl &= ~CTRL_CE_STOP_ACTIVE;
CTRL_IO_MODE_USER | CTRL_CE_STOP_ACTIVE;
chip->ctl_val[ASPEED_SPI_BASE] = CTRL_CE_STOP_ACTIVE | CTRL_IO_MODE_USER;