Zbynek Michl | b7eb1a5 | 2009-01-02 00:26:13 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * linux/arch/arm/mach-pxa/himalaya.c |
| 3 | * |
| 4 | * Hardware definitions for the HTC Himalaya |
| 5 | * |
| 6 | * Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c |
| 7 | * |
| 8 | * Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/device.h> |
| 18 | #include <linux/fb.h> |
| 19 | #include <linux/platform_device.h> |
| 20 | |
| 21 | #include <video/w100fb.h> |
| 22 | |
| 23 | #include <asm/setup.h> |
| 24 | #include <asm/mach-types.h> |
| 25 | #include <asm/mach/arch.h> |
| 26 | |
| 27 | #include <mach/mfp-pxa25x.h> |
| 28 | #include <mach/hardware.h> |
| 29 | #include <mach/pxa-regs.h> |
| 30 | #include <mach/pxa2xx-regs.h> |
| 31 | |
| 32 | #include "generic.h" |
| 33 | |
| 34 | /* ---------------------- Himalaya LCD definitions -------------------- */ |
| 35 | |
| 36 | static struct w100_gen_regs himalaya_lcd_regs = { |
| 37 | .lcd_format = 0x00000003, |
| 38 | .lcdd_cntl1 = 0x00000000, |
| 39 | .lcdd_cntl2 = 0x0003ffff, |
| 40 | .genlcd_cntl1 = 0x00fff003, |
| 41 | .genlcd_cntl2 = 0x00000003, |
| 42 | .genlcd_cntl3 = 0x000102aa, |
| 43 | }; |
| 44 | |
| 45 | static struct w100_mode himalaya4_lcd_mode = { |
| 46 | .xres = 240, |
| 47 | .yres = 320, |
| 48 | .left_margin = 0, |
| 49 | .right_margin = 31, |
| 50 | .upper_margin = 15, |
| 51 | .lower_margin = 0, |
| 52 | .crtc_ss = 0x80150014, |
| 53 | .crtc_ls = 0xa0fb00f7, |
| 54 | .crtc_gs = 0xc0080007, |
| 55 | .crtc_vpos_gs = 0x00080007, |
| 56 | .crtc_rev = 0x0000000a, |
| 57 | .crtc_dclk = 0x81700030, |
| 58 | .crtc_gclk = 0x8015010f, |
| 59 | .crtc_goe = 0x00000000, |
| 60 | .pll_freq = 80, |
| 61 | .pixclk_divider = 15, |
| 62 | .pixclk_divider_rotated = 15, |
| 63 | .pixclk_src = CLK_SRC_PLL, |
| 64 | .sysclk_divider = 0, |
| 65 | .sysclk_src = CLK_SRC_PLL, |
| 66 | }; |
| 67 | |
| 68 | static struct w100_mode himalaya6_lcd_mode = { |
| 69 | .xres = 240, |
| 70 | .yres = 320, |
| 71 | .left_margin = 9, |
| 72 | .right_margin = 8, |
| 73 | .upper_margin = 5, |
| 74 | .lower_margin = 4, |
| 75 | .crtc_ss = 0x80150014, |
| 76 | .crtc_ls = 0xa0fb00f7, |
| 77 | .crtc_gs = 0xc0080007, |
| 78 | .crtc_vpos_gs = 0x00080007, |
| 79 | .crtc_rev = 0x0000000a, |
| 80 | .crtc_dclk = 0xa1700030, |
| 81 | .crtc_gclk = 0x8015010f, |
| 82 | .crtc_goe = 0x00000000, |
| 83 | .pll_freq = 95, |
| 84 | .pixclk_divider = 0xb, |
| 85 | .pixclk_divider_rotated = 4, |
| 86 | .pixclk_src = CLK_SRC_PLL, |
| 87 | .sysclk_divider = 1, |
| 88 | .sysclk_src = CLK_SRC_PLL, |
| 89 | }; |
| 90 | |
| 91 | static struct w100_gpio_regs himalaya_w100_gpio_info = { |
| 92 | .init_data1 = 0xffff0000, /* GPIO_DATA */ |
| 93 | .gpio_dir1 = 0x00000000, /* GPIO_CNTL1 */ |
| 94 | .gpio_oe1 = 0x003c0000, /* GPIO_CNTL2 */ |
| 95 | .init_data2 = 0x00000000, /* GPIO_DATA2 */ |
| 96 | .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */ |
| 97 | .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */ |
| 98 | }; |
| 99 | |
| 100 | static struct w100fb_mach_info himalaya_fb_info = { |
| 101 | .num_modes = 1, |
| 102 | .regs = &himalaya_lcd_regs, |
| 103 | .gpio = &himalaya_w100_gpio_info, |
| 104 | .xtal_freq = 16000000, |
| 105 | }; |
| 106 | |
| 107 | static struct resource himalaya_fb_resources[] = { |
| 108 | [0] = { |
| 109 | .start = 0x08000000, |
| 110 | .end = 0x08ffffff, |
| 111 | .flags = IORESOURCE_MEM, |
| 112 | }, |
| 113 | }; |
| 114 | |
| 115 | static struct platform_device himalaya_fb_device = { |
| 116 | .name = "w100fb", |
| 117 | .id = -1, |
| 118 | .dev = { |
| 119 | .platform_data = &himalaya_fb_info, |
| 120 | }, |
| 121 | .num_resources = ARRAY_SIZE(himalaya_fb_resources), |
| 122 | .resource = himalaya_fb_resources, |
| 123 | }; |
| 124 | |
| 125 | /* ----------------------------------------------------------------------- */ |
| 126 | |
| 127 | static struct platform_device *devices[] __initdata = { |
| 128 | &himalaya_fb_device, |
| 129 | }; |
| 130 | |
| 131 | static void __init himalaya_lcd_init(void) |
| 132 | { |
| 133 | int himalaya_boardid; |
| 134 | |
| 135 | himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */ |
| 136 | printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n", |
| 137 | himalaya_boardid); |
| 138 | |
| 139 | switch (himalaya_boardid) { |
| 140 | case 0x4: |
| 141 | himalaya_fb_info.modelist = &himalaya4_lcd_mode; |
| 142 | break; |
| 143 | case 0x6: |
| 144 | himalaya_fb_info.modelist = &himalaya6_lcd_mode; |
| 145 | break; |
| 146 | default: |
| 147 | printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n", |
| 148 | himalaya_boardid); |
| 149 | himalaya_fb_info.modelist = &himalaya4_lcd_mode; |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | static void __init himalaya_init(void) |
| 154 | { |
| 155 | himalaya_lcd_init(); |
| 156 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 157 | } |
| 158 | |
| 159 | |
| 160 | MACHINE_START(HIMALAYA, "HTC Himalaya") |
| 161 | .phys_io = 0x40000000, |
| 162 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| 163 | .boot_params = 0xa0000100, |
| 164 | .map_io = pxa_map_io, |
| 165 | .init_irq = pxa25x_init_irq, |
| 166 | .init_machine = himalaya_init, |
| 167 | .timer = &pxa_timer, |
| 168 | MACHINE_END |