UART_BASE
#define SPEAR_DBG_UART_BASE UART_BASE
#define PORT(offset) (CKSEG1ADDR(UART_BASE) + (offset))
setup_8250_early_printk_port(UART_BASE, UART_REG_SHIFT, 0);
#define U_MODE(x) UART_BASE(x)
#define U_STA(x) (UART_BASE(x) + 0x10)
#define U_TXR(x) (UART_BASE(x) + 0x20)
#define U_BRG(x) (UART_BASE(x) + 0x40)