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/*
* linux/arch/arm/mach-sa1100/cerf.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 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
set_GPIO_IRQ_edge(GPIO_GPIO(3), GPIO_RISING_EDGE); /* PDA Full serial port */
set_GPIO_IRQ_edge(GPIO_GPIO(2), GPIO_RISING_EDGE); /* PDA Bluetooth */
GPDR &= ~(GPIO_GPIO(3)); /* Set the direction of serial port GPIO pin to in */
GPDR &= ~(GPIO_GPIO(2)); /* Set the direction of bluetooth GPIO pin to in */
#endif /* CONFIG_SA1100_CERF_CPLD */
}
static void __init
fixup_cerf(struct machine_desc *desc, struct param_struct *params,
char **cmdline, struct meminfo *mi)
{
#if defined(CONFIG_SA1100_CERF_64MB)
// 64MB RAM
SET_BANK( 0, 0xc0000000, 64*1024*1024 );
mi->nr_banks = 1;
#elif defined(CONFIG_SA1100_CERF_32MB) // 32MB RAM
SET_BANK( 0, 0xc0000000, 32*1024*1024 );
mi->nr_banks = 1;
#elif defined(CONFIG_SA1100_CERF_16MB) // 16Meg Ram.
SET_BANK( 0, 0xc0000000, 8*1024*1024 );
SET_BANK( 1, 0xc8000000, 8*1024*1024 );
mi->nr_banks = 2;
#elif defined(CONFIG_SA1100_CERF_8MB)
// 8Meg Ram.
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, 1, 1, 0, 0 }, /* Flash bank 0 */
{ 0xf0000000, 0x08000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* Crystal Ethernet Chip */
#ifdef CONFIG_SA1100_CERF_CPLD
{ 0xf1000000, 0x40000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* CPLD Chip */
{ 0xf2000000, 0x10000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* CerfPDA Bluetooth */
{ 0xf3000000, 0x18000000, 0x00100000, DOMAIN_IO, 1, 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
}
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
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