1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-pxa/himalaya.c
5 * Hardware definitions for the HTC Himalaya
7 * Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c
9 * Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/device.h>
16 #include <linux/platform_device.h>
18 #include <video/w100fb.h>
20 #include <asm/setup.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
28 /* ---------------------- Himalaya LCD definitions -------------------- */
30 static struct w100_gen_regs himalaya_lcd_regs = {
31 .lcd_format = 0x00000003,
32 .lcdd_cntl1 = 0x00000000,
33 .lcdd_cntl2 = 0x0003ffff,
34 .genlcd_cntl1 = 0x00fff003,
35 .genlcd_cntl2 = 0x00000003,
36 .genlcd_cntl3 = 0x000102aa,
39 static struct w100_mode himalaya4_lcd_mode = {
46 .crtc_ss = 0x80150014,
47 .crtc_ls = 0xa0fb00f7,
48 .crtc_gs = 0xc0080007,
49 .crtc_vpos_gs = 0x00080007,
50 .crtc_rev = 0x0000000a,
51 .crtc_dclk = 0x81700030,
52 .crtc_gclk = 0x8015010f,
53 .crtc_goe = 0x00000000,
56 .pixclk_divider_rotated = 15,
57 .pixclk_src = CLK_SRC_PLL,
59 .sysclk_src = CLK_SRC_PLL,
62 static struct w100_mode himalaya6_lcd_mode = {
69 .crtc_ss = 0x80150014,
70 .crtc_ls = 0xa0fb00f7,
71 .crtc_gs = 0xc0080007,
72 .crtc_vpos_gs = 0x00080007,
73 .crtc_rev = 0x0000000a,
74 .crtc_dclk = 0xa1700030,
75 .crtc_gclk = 0x8015010f,
76 .crtc_goe = 0x00000000,
78 .pixclk_divider = 0xb,
79 .pixclk_divider_rotated = 4,
80 .pixclk_src = CLK_SRC_PLL,
82 .sysclk_src = CLK_SRC_PLL,
85 static struct w100_gpio_regs himalaya_w100_gpio_info = {
86 .init_data1 = 0xffff0000, /* GPIO_DATA */
87 .gpio_dir1 = 0x00000000, /* GPIO_CNTL1 */
88 .gpio_oe1 = 0x003c0000, /* GPIO_CNTL2 */
89 .init_data2 = 0x00000000, /* GPIO_DATA2 */
90 .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
91 .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
94 static struct w100fb_mach_info himalaya_fb_info = {
96 .regs = &himalaya_lcd_regs,
97 .gpio = &himalaya_w100_gpio_info,
98 .xtal_freq = 16000000,
101 static struct resource himalaya_fb_resources[] = {
105 .flags = IORESOURCE_MEM,
109 static struct platform_device himalaya_fb_device = {
113 .platform_data = &himalaya_fb_info,
115 .num_resources = ARRAY_SIZE(himalaya_fb_resources),
116 .resource = himalaya_fb_resources,
119 /* ----------------------------------------------------------------------- */
121 static struct platform_device *devices[] __initdata = {
125 static void __init himalaya_lcd_init(void)
127 int himalaya_boardid;
129 himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
130 printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
133 switch (himalaya_boardid) {
135 himalaya_fb_info.modelist = &himalaya4_lcd_mode;
138 himalaya_fb_info.modelist = &himalaya6_lcd_mode;
141 printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
143 himalaya_fb_info.modelist = &himalaya4_lcd_mode;
147 static void __init himalaya_init(void)
149 pxa_set_ffuart_info(NULL);
150 pxa_set_btuart_info(NULL);
151 pxa_set_stuart_info(NULL);
153 platform_add_devices(devices, ARRAY_SIZE(devices));
157 MACHINE_START(HIMALAYA, "HTC Himalaya")
158 .atag_offset = 0x100,
159 .map_io = pxa25x_map_io,
160 .nr_irqs = PXA_NR_IRQS,
161 .init_irq = pxa25x_init_irq,
162 .handle_irq = pxa25x_handle_irq,
163 .init_machine = himalaya_init,
164 .init_time = pxa_timer_init,
165 .restart = pxa_restart,