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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
*
* 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
* <http://www.vibren.com> <http://bec-systems.com>
* Updated for 2.6 kernel
*
*/
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/fb.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 <asm/arch/pxafb.h>
#include <asm/arch/bitfield.h>
#include <asm/arch/mmc.h>
#include "generic.h"
/* TODO:
* - add pxa2xx_audio_ops_t device structure
* - Ethernet interrupt
*/
static struct resource smc91x_resources[] = {
[0] = {
.start = (IDP_ETH_PHYS + 0x300),
.end = (IDP_ETH_PHYS + 0xfffff),
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_GPIO(4),
.end = IRQ_GPIO(4),
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
};
static void idp_backlight_power(int on)
{
if (on) {
IDP_CPLD_LCD |= (1<<1);
} else {
IDP_CPLD_LCD &= ~(1<<1);
}
}
static void idp_vlcd(int on)
{
if (on) {
IDP_CPLD_LCD |= (1<<2);
} else {
IDP_CPLD_LCD &= ~(1<<2);
}
}
static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
{
if (on) {
IDP_CPLD_LCD |= (1<<0);
} else {
IDP_CPLD_LCD &= ~(1<<0);
}
/* call idp_vlcd for now as core driver does not support
* both power and vlcd hooks. Note, this is not technically
* the correct sequence, but seems to work. Disclaimer:
* this may eventually damage the display.
*/
idp_vlcd(on);
}
static struct pxafb_mode_info sharp_lm8v31_mode = {
.pixclock = 270000,
.xres = 640,
.yres = 480,
.bpp = 16,
.hsync_len = 1,
.left_margin = 3,
.right_margin = 3,
.vsync_len = 1,
.upper_margin = 0,
.lower_margin = 0,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.cmap_greyscale = 0,
};
static struct pxafb_mach_info sharp_lm8v31 = {
.modes = &sharp_lm8v31_mode,
.num_modes = 1,
.cmap_inverse = 0,
.cmap_static = 0,
.lccr0 = LCCR0_SDS,
.lccr3 = LCCR3_PCP | LCCR3_Acb(255),
.pxafb_backlight_power = &idp_backlight_power,
.pxafb_lcd_power = &idp_lcd_power
};
static int idp_mci_init(struct device *dev, irqreturn_t (*idp_detect_int)(int, void *, struct pt_regs *), void *data)
{
/* setup GPIO for PXA25x MMC controller */
pxa_gpio_mode(GPIO6_MMCCLK_MD);
pxa_gpio_mode(GPIO8_MMCCS0_MD);
return 0;
}
static struct pxamci_platform_data idp_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
.init = idp_mci_init,
};
static void __init idp_init(void)
{
printk("idp_init()\n");
platform_device_register(&smc91x_device);
//platform_device_register(&mst_audio_device);
set_pxa_fb_info(&sharp_lm8v31);
pxa_set_mci_info(&idp_mci_platform_data);
}
static void __init idp_init_irq(void)
{
pxa_init_irq();
set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
}
static struct map_desc idp_io_desc[] __initdata = {
{
.virtual = IDP_COREVOLT_VIRT,
.pfn = __phys_to_pfn(IDP_COREVOLT_PHYS),
.length = IDP_COREVOLT_SIZE,
.type = MT_DEVICE
}, {
.virtual = IDP_CPLD_VIRT,
.pfn = __phys_to_pfn(IDP_CPLD_PHYS),
.length = IDP_CPLD_SIZE,
.type = MT_DEVICE
}
};
static void __init idp_map_io(void)
{
pxa_map_io();
iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
// 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, "Vibren PXA255 IDP")
/* Maintainer: Vibren Technologies */
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.map_io = idp_map_io,
.init_irq = idp_init_irq,
.timer = &pxa_timer,
.init_machine = idp_init,
MACHINE_END
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