UART_RBR
#define UART_THR UART_RBR
#define UART_DLL UART_RBR
return udbg_uart_in(UART_RBR);
return udbg_uart_in(UART_RBR);
ch = readl(port->membase + UART_RBR(port));
return readl(port->membase + UART_RBR(port));
mvuart->pm_regs.rbr = readl(port->membase + UART_RBR(port));
writel(mvuart->pm_regs.rbr, port->membase + UART_RBR(port));