WX_MSCC_BUSY
command = WX_MSCC_CMD(WX_MSCA_CMD_READ) | WX_MSCC_BUSY;
ret = read_poll_timeout(rd32, val, !(val & WX_MSCC_BUSY), 1000,
command = value | WX_MSCC_CMD(WX_MSCA_CMD_WRITE) | WX_MSCC_BUSY;
ret = read_poll_timeout(rd32, val, !(val & WX_MSCC_BUSY), 1000,