File: [Development] / linux-2.6-xfs / arch / arm / mach-pxa / idp.c (download)
Revision 1.7, Wed Jan 5 14:17:31 2005 UTC (12 years, 9 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.6: +1 -1
lines
Merge up to 2.6.10.
Merge of 2.6.x-xfs-melb:linux:21010a by kenmcd.
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/*
* linux/arch/arm/mach-pxa/idp.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
*
* 2001-09-13: Cliff Brake <cbrake@accelent.com>
* Initial code
*
* Expected command line: mem=32M initrd=0xa1000000,4M root=/dev/ram ramdisk=8192
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/idp.h>
#include "generic.h"
#ifndef PXA_IDP_REV02
/* shadow registers for write only registers */
unsigned int idp_cpld_led_control_shadow = 0x1;
unsigned int idp_cpld_periph_pwr_shadow = 0xd;
unsigned int ipd_cpld_cir_shadow = 0;
unsigned int idp_cpld_kb_col_high_shadow = 0;
unsigned int idp_cpld_kb_col_low_shadow = 0;
unsigned int idp_cpld_pccard_en_shadow = 0xC3;
unsigned int idp_cpld_gpioh_dir_shadow = 0;
unsigned int idp_cpld_gpioh_value_shadow = 0;
unsigned int idp_cpld_gpiol_dir_shadow = 0;
unsigned int idp_cpld_gpiol_value_shadow = 0;
/*
* enable all LCD signals -- they should still be on
* write protect flash
* enable all serial port transceivers
*/
unsigned int idp_control_port_shadow = ((0x7 << 21) | /* LCD power */
(0x1 << 19) | /* disable flash write enable */
(0x7 << 9)); /* enable serial port transeivers */
#endif
static void __init idp_init(void)
{
printk("idp_init()\n");
}
static void __init idp_init_irq(void)
{
pxa_init_irq();
}
static struct map_desc idp_io_desc[] __initdata = {
/* virtual physical length type */
#ifndef PXA_IDP_REV02
{ IDP_CTRL_PORT_BASE,
IDP_CTRL_PORT_PHYS,
IDP_CTRL_PORT_SIZE,
MT_DEVICE },
#endif
{ IDP_IDE_BASE,
IDP_IDE_PHYS,
IDP_IDE_SIZE,
MT_DEVICE },
{ IDP_ETH_BASE,
IDP_ETH_PHYS,
IDP_ETH_SIZE,
MT_DEVICE },
{ IDP_COREVOLT_BASE,
IDP_COREVOLT_PHYS,
IDP_COREVOLT_SIZE,
MT_DEVICE },
{ IDP_CPLD_BASE,
IDP_CPLD_PHYS,
IDP_CPLD_SIZE,
MT_DEVICE }
};
static void __init idp_map_io(void)
{
pxa_map_io();
iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
// serial ports 2 & 3
pxa_gpio_mode(GPIO42_BTRXD_MD);
pxa_gpio_mode(GPIO43_BTTXD_MD);
pxa_gpio_mode(GPIO44_BTCTS_MD);
pxa_gpio_mode(GPIO45_BTRTS_MD);
pxa_gpio_mode(GPIO46_STRXD_MD);
pxa_gpio_mode(GPIO47_STTXD_MD);
}
MACHINE_START(PXA_IDP, "Accelent Xscale IDP")
MAINTAINER("Accelent Systems Inc.")
BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000))
MAPIO(idp_map_io)
INITIRQ(idp_init_irq)
.timer = &pxa_timer,
INIT_MACHINE(idp_init)
MACHINE_END