UART_DLL_EM
case UART_DLL_EM:
return serial_in(up, UART_DLL_EM) | serial_in(up, UART_DLM_EM) << 8;
serial_out(up, UART_DLL_EM, value & 0xff);
case UART_DLL_EM: /* DLL @ 0x24 (+9) */
case UART_DLL_EM: /* DLL @ 0x24 (+9) */