pleb.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:2k
- /*
- * linux/arch/arm/mach-sa1100/pleb.c
- */
- #include <linux/init.h>
- #include <linux/kernel.h>
- #include <linux/tty.h>
- #include <asm/hardware.h>
- #include <asm/setup.h>
- #include <asm/mach/arch.h>
- #include <asm/mach/map.h>
- #include <asm/mach/serial_sa1100.h>
- #include "generic.h"
- static void __init
- fixup_pleb(struct machine_desc *desc, struct param_struct *params,
- char **cmdline, struct meminfo *mi)
- {
- SET_BANK(0, 0xc0000000, 16*1024*1024);
- SET_BANK(1, 0xc8000000, 16*1024*1024);
- SET_BANK(2, 0xd0000000, 16*1024*1024);
- SET_BANK(3, 0xd8000000, 16*1024*1024);
- /* make this 4 a second memory card is used to make 64MB */
- /* make it 1 if a 16MB memory card is used */
- mi->nr_banks = 2; /* Default 32MB */
- ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
- setup_ramdisk(1, 0, 0, 8192);
- setup_initrd(0xc0400000, 4*1024*1024);
- }
- static struct map_desc pleb_io_desc[] __initdata = {
- /* virtual physical length domain r w c b */
- { 0xe8000000, 0x00000000, 0x00400000, DOMAIN_IO, 0, 1, 0, 0 }, /* main flash memory */
- { 0xe8400000, 0x08000000, 0x00400000, DOMAIN_IO, 0, 1, 0, 0 }, /* main flash, alternative location */
- LAST_DESC
- };
- static void __init pleb_map_io(void)
- {
- sa1100_map_io();
- iotable_init(pleb_io_desc);
- sa1100_register_uart(0, 3);
- sa1100_register_uart(1, 1);
- GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
- GPDR |= GPIO_UART_TXD;
- GPDR &= ~GPIO_UART_RXD;
- PPAR |= PPAR_UPR;
- }
- MACHINE_START(PLEB, "PLEB")
- BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
- FIXUP(fixup_pleb)
- MAPIO(pleb_map_io)
- INITIRQ(sa1100_init_irq)
- MACHINE_END