170 lines
4.1 KiB
C
170 lines
4.1 KiB
C
/*
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* linux/arch/arm/mach-pxa/himalaya.c
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*
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* Hardware definitions for the HTC Himalaya
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*
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* Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c
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*
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* Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/fb.h>
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#include <linux/platform_device.h>
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#include <video/w100fb.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include "pxa25x.h"
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#include "generic.h"
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/* ---------------------- Himalaya LCD definitions -------------------- */
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static struct w100_gen_regs himalaya_lcd_regs = {
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.lcd_format = 0x00000003,
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.lcdd_cntl1 = 0x00000000,
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.lcdd_cntl2 = 0x0003ffff,
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.genlcd_cntl1 = 0x00fff003,
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.genlcd_cntl2 = 0x00000003,
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.genlcd_cntl3 = 0x000102aa,
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};
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static struct w100_mode himalaya4_lcd_mode = {
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.xres = 240,
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.yres = 320,
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.left_margin = 0,
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.right_margin = 31,
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.upper_margin = 15,
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.lower_margin = 0,
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.crtc_ss = 0x80150014,
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.crtc_ls = 0xa0fb00f7,
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.crtc_gs = 0xc0080007,
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.crtc_vpos_gs = 0x00080007,
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.crtc_rev = 0x0000000a,
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.crtc_dclk = 0x81700030,
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.crtc_gclk = 0x8015010f,
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.crtc_goe = 0x00000000,
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.pll_freq = 80,
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.pixclk_divider = 15,
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.pixclk_divider_rotated = 15,
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.pixclk_src = CLK_SRC_PLL,
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.sysclk_divider = 0,
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.sysclk_src = CLK_SRC_PLL,
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};
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static struct w100_mode himalaya6_lcd_mode = {
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.xres = 240,
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.yres = 320,
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.left_margin = 9,
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.right_margin = 8,
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.upper_margin = 5,
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.lower_margin = 4,
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.crtc_ss = 0x80150014,
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.crtc_ls = 0xa0fb00f7,
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.crtc_gs = 0xc0080007,
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.crtc_vpos_gs = 0x00080007,
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.crtc_rev = 0x0000000a,
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.crtc_dclk = 0xa1700030,
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.crtc_gclk = 0x8015010f,
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.crtc_goe = 0x00000000,
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.pll_freq = 95,
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.pixclk_divider = 0xb,
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.pixclk_divider_rotated = 4,
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.pixclk_src = CLK_SRC_PLL,
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.sysclk_divider = 1,
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.sysclk_src = CLK_SRC_PLL,
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};
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static struct w100_gpio_regs himalaya_w100_gpio_info = {
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.init_data1 = 0xffff0000, /* GPIO_DATA */
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.gpio_dir1 = 0x00000000, /* GPIO_CNTL1 */
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.gpio_oe1 = 0x003c0000, /* GPIO_CNTL2 */
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.init_data2 = 0x00000000, /* GPIO_DATA2 */
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.gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
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.gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
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};
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static struct w100fb_mach_info himalaya_fb_info = {
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.num_modes = 1,
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.regs = &himalaya_lcd_regs,
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.gpio = &himalaya_w100_gpio_info,
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.xtal_freq = 16000000,
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};
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static struct resource himalaya_fb_resources[] = {
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[0] = {
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.start = 0x08000000,
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.end = 0x08ffffff,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device himalaya_fb_device = {
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.name = "w100fb",
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.id = -1,
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.dev = {
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.platform_data = &himalaya_fb_info,
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},
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.num_resources = ARRAY_SIZE(himalaya_fb_resources),
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.resource = himalaya_fb_resources,
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};
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/* ----------------------------------------------------------------------- */
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static struct platform_device *devices[] __initdata = {
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&himalaya_fb_device,
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};
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static void __init himalaya_lcd_init(void)
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{
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int himalaya_boardid;
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himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
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printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
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himalaya_boardid);
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switch (himalaya_boardid) {
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case 0x4:
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himalaya_fb_info.modelist = &himalaya4_lcd_mode;
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break;
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case 0x6:
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himalaya_fb_info.modelist = &himalaya6_lcd_mode;
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break;
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default:
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printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
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himalaya_boardid);
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himalaya_fb_info.modelist = &himalaya4_lcd_mode;
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}
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}
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static void __init himalaya_init(void)
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{
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pxa_set_ffuart_info(NULL);
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pxa_set_btuart_info(NULL);
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pxa_set_stuart_info(NULL);
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himalaya_lcd_init();
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platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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MACHINE_START(HIMALAYA, "HTC Himalaya")
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.atag_offset = 0x100,
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.map_io = pxa25x_map_io,
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.nr_irqs = PXA_NR_IRQS,
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.init_irq = pxa25x_init_irq,
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.handle_irq = pxa25x_handle_irq,
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.init_machine = himalaya_init,
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.init_time = pxa_timer_init,
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.restart = pxa_restart,
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MACHINE_END
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