LOONGSON_PCIIO_BASE
#define LOONGSON_PCIIO_TOP (LOONGSON_PCIIO_BASE+LOONGSON_PCIIO_SIZE-1)
#define LOONGSON_PCIIO_TOP (LOONGSON_PCIIO_BASE+LOONGSON_PCIIO_SIZE-1)
ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
loongson_uart_base - LOONGSON_PCIIO_BASE;
loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8;
loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8;