himalaya.c
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/*
* linux/arch/arm/mach-pxa/himalaya.c
*
* Hardware definitions for the HTC Himalaya
*
* Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c
*
* Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz>
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/fb.h>
#include <linux/platform_device.h>
#include <video/w100fb.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/pxa25x.h>
#include "generic.h"
/* ---------------------- Himalaya LCD definitions -------------------- */
static struct w100_gen_regs himalaya_lcd_regs = {
.lcd_format = 0x00000003,
.lcdd_cntl1 = 0x00000000,
.lcdd_cntl2 = 0x0003ffff,
.genlcd_cntl1 = 0x00fff003,
.genlcd_cntl2 = 0x00000003,
.genlcd_cntl3 = 0x000102aa,
};
static struct w100_mode himalaya4_lcd_mode = {
.xres = 240,
.yres = 320,
.left_margin = 0,
.right_margin = 31,
.upper_margin = 15,
.lower_margin = 0,
.crtc_ss = 0x80150014,
.crtc_ls = 0xa0fb00f7,
.crtc_gs = 0xc0080007,
.crtc_vpos_gs = 0x00080007,
.crtc_rev = 0x0000000a,
.crtc_dclk = 0x81700030,
.crtc_gclk = 0x8015010f,
.crtc_goe = 0x00000000,
.pll_freq = 80,
.pixclk_divider = 15,
.pixclk_divider_rotated = 15,
.pixclk_src = CLK_SRC_PLL,
.sysclk_divider = 0,
.sysclk_src = CLK_SRC_PLL,
};
static struct w100_mode himalaya6_lcd_mode = {
.xres = 240,
.yres = 320,
.left_margin = 9,
.right_margin = 8,
.upper_margin = 5,
.lower_margin = 4,
.crtc_ss = 0x80150014,
.crtc_ls = 0xa0fb00f7,
.crtc_gs = 0xc0080007,
.crtc_vpos_gs = 0x00080007,
.crtc_rev = 0x0000000a,
.crtc_dclk = 0xa1700030,
.crtc_gclk = 0x8015010f,
.crtc_goe = 0x00000000,
.pll_freq = 95,
.pixclk_divider = 0xb,
.pixclk_divider_rotated = 4,
.pixclk_src = CLK_SRC_PLL,
.sysclk_divider = 1,
.sysclk_src = CLK_SRC_PLL,
};
static struct w100_gpio_regs himalaya_w100_gpio_info = {
.init_data1 = 0xffff0000, /* GPIO_DATA */
.gpio_dir1 = 0x00000000, /* GPIO_CNTL1 */
.gpio_oe1 = 0x003c0000, /* GPIO_CNTL2 */
.init_data2 = 0x00000000, /* GPIO_DATA2 */
.gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
.gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
};
static struct w100fb_mach_info himalaya_fb_info = {
.num_modes = 1,
.regs = &himalaya_lcd_regs,
.gpio = &himalaya_w100_gpio_info,
.xtal_freq = 16000000,
};
static struct resource himalaya_fb_resources[] = {
[0] = {
.start = 0x08000000,
.end = 0x08ffffff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device himalaya_fb_device = {
.name = "w100fb",
.id = -1,
.dev = {
.platform_data = &himalaya_fb_info,
},
.num_resources = ARRAY_SIZE(himalaya_fb_resources),
.resource = himalaya_fb_resources,
};
/* ----------------------------------------------------------------------- */
static struct platform_device *devices[] __initdata = {
&himalaya_fb_device,
};
static void __init himalaya_lcd_init(void)
{
int himalaya_boardid;
himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
himalaya_boardid);
switch (himalaya_boardid) {
case 0x4:
himalaya_fb_info.modelist = &himalaya4_lcd_mode;
break;
case 0x6:
himalaya_fb_info.modelist = &himalaya6_lcd_mode;
break;
default:
printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
himalaya_boardid);
himalaya_fb_info.modelist = &himalaya4_lcd_mode;
}
}
static void __init himalaya_init(void)
{
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
himalaya_lcd_init();
platform_add_devices(devices, ARRAY_SIZE(devices));
}
MACHINE_START(HIMALAYA, "HTC Himalaya")
.atag_offset = 0x100,
.map_io = pxa25x_map_io,
.nr_irqs = PXA_NR_IRQS,
.init_irq = pxa25x_init_irq,
.handle_irq = pxa25x_handle_irq,
.init_machine = himalaya_init,
.init_time = pxa_timer_init,
.restart = pxa_restart,
MACHINE_END