freebird.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/freebird.c
- */
- #include <linux/config.h>
- #include <linux/module.h>
- #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"
- unsigned long BCR_value = BCR_DB1110;
- EXPORT_SYMBOL(BCR_value);
- static void __init
- fixup_freebird(struct machine_desc *desc, struct param_struct *params,
- char **cmdline, struct meminfo *mi)
- {
- #ifdef CONFIG_SA1100_FREEBIRD_OLD
- SET_BANK( 0, 0xc0000000, 32*1024*1024 );
- mi->nr_banks = 1;
- ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
- setup_ramdisk( 1, 0 ,0 , 8192 );
- setup_initrd( 0xc0800000, 3*1024*1024 );
- #endif
- }
- static struct map_desc freebird_io_desc[] __initdata = {
- /* virtual physical length domain r w c b */
- { 0xe8000000, 0x00000000, 0x02000000, DOMAIN_IO, 0, 1, 0, 0 }, /* Flash bank 0 */
- { 0xf0000000, 0x12000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* Board Control Register */
- { 0xf2000000, 0x19000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0},
- LAST_DESC
- };
- static void __init freebird_map_io(void)
- {
- sa1100_map_io();
- iotable_init(freebird_io_desc);
- sa1100_register_uart(0, 3);
- sa1100_register_uart(1, 1);
- /* Set up sleep mode registers */
- PWER = 0x1;
- PGSR = 0x0;
- PCFR = PCFR_OPDE | PCFR_FP | PCFR_FS;
- }
- MACHINE_START(FREEBIRD, "Freebird-HPC-1.1")
- BOOT_MEM(0xc0000000,0x80000000, 0xf8000000)
- #ifdef CONFIG_SA1100_FREEBIRD_NEW
- BOOT_PARAMS(0xc0000100)
- #endif
- FIXUP(fixup_freebird)
- MAPIO(freebird_map_io)
- INITIRQ(sa1100_init_irq)
- MACHINE_END