cerf.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:3k
- /*
- * linux/arch/arm/mach-sa1100/cerf.c
- */
- #include <linux/config.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"
- static void __init cerf_init_irq(void)
- {
- sa1100_init_irq();
- /* Need to register these as rising edge interrupts
- * For standard 16550 serial driver support
- * Basically - I copied it from pfs168.c :)
- */
- #ifdef CONFIG_SA1100_CERF_CPLD
- /* PDA Full serial port */
- set_GPIO_IRQ_edge(GPIO_GPIO3, GPIO_RISING_EDGE);
- /* PDA Bluetooth */
- set_GPIO_IRQ_edge(GPIO_GPIO2, GPIO_RISING_EDGE);
- #endif /* CONFIG_SA1100_CERF_CPLD */
- set_GPIO_IRQ_edge(GPIO_UCB1200_IRQ, GPIO_RISING_EDGE);
- }
- static void __init
- fixup_cerf(struct machine_desc *desc, struct param_struct *params,
- char **cmdline, struct meminfo *mi)
- {
- #if defined(CONFIG_SA1100_CERF_64MB)
- SET_BANK( 0, 0xc0000000, 64*1024*1024 );
- mi->nr_banks = 1;
- #elif defined(CONFIG_SA1100_CERF_32MB)
- SET_BANK( 0, 0xc0000000, 32*1024*1024 );
- mi->nr_banks = 1;
- #elif defined(CONFIG_SA1100_CERF_16MB)
- SET_BANK( 0, 0xc0000000, 8*1024*1024 );
- SET_BANK( 1, 0xc8000000, 8*1024*1024 );
- mi->nr_banks = 2;
- #elif defined(CONFIG_SA1100_CERF_8MB)
- SET_BANK( 0, 0xc0000000, 8*1024*1024 );
- mi->nr_banks = 1;
- #else
- #error "Undefined memory size for Cerfboard."
- #endif
- // ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
- // setup_ramdisk(1, 0, 0, 8192);
- // // Save 2Meg for RAMDisk
- // setup_initrd(0xc0500000, 3*1024*1024);
- }
- static struct map_desc cerf_io_desc[] __initdata = {
- /* virtual physical length domain r w c b */
- { 0xe8000000, 0x00000000, 0x02000000, DOMAIN_IO, 0, 1, 0, 0 }, /* Flash bank 0 */
- { 0xf0000000, 0x08000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* Crystal Ethernet Chip */
- #ifdef CONFIG_SA1100_CERF_CPLD
- { 0xf1000000, 0x40000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* CPLD Chip */
- { 0xf2000000, 0x10000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* CerfPDA Bluetooth */
- { 0xf3000000, 0x18000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* CerfPDA Serial */
- #endif
- LAST_DESC
- };
- static void __init cerf_map_io(void)
- {
- sa1100_map_io();
- iotable_init(cerf_io_desc);
- sa1100_register_uart(0, 3);
- #ifdef CONFIG_SA1100_CERF_IRDA_ENABLED
- sa1100_register_uart(1, 1);
- #else
- sa1100_register_uart(1, 2);
- sa1100_register_uart(2, 1);
- #endif
- /* set some GPDR bits here while it's safe */
- GPDR |= GPIO_CF_RESET;
- #ifdef CONFIG_SA1100_CERF_CPLD
- GPDR |= GPIO_PWR_SHUTDOWN;
- #endif
- }
- MACHINE_START(CERF, "Intrinsyc's Cerf Family of Products")
- MAINTAINER("support@intrinsyc.com")
- BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
- FIXUP(fixup_cerf)
- MAPIO(cerf_map_io)
- INITIRQ(cerf_init_irq)
- MACHINE_END