1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * linux/arch/arm/mach-pxa/himalaya.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Hardware definitions for the HTC Himalaya
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz>
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/kernel.h>
13*4882a593Smuzhiyun #include <linux/init.h>
14*4882a593Smuzhiyun #include <linux/device.h>
15*4882a593Smuzhiyun #include <linux/fb.h>
16*4882a593Smuzhiyun #include <linux/platform_device.h>
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include <video/w100fb.h>
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #include <asm/setup.h>
21*4882a593Smuzhiyun #include <asm/mach-types.h>
22*4882a593Smuzhiyun #include <asm/mach/arch.h>
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #include "pxa25x.h"
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun #include "generic.h"
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun /* ---------------------- Himalaya LCD definitions -------------------- */
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun static struct w100_gen_regs himalaya_lcd_regs = {
31*4882a593Smuzhiyun .lcd_format = 0x00000003,
32*4882a593Smuzhiyun .lcdd_cntl1 = 0x00000000,
33*4882a593Smuzhiyun .lcdd_cntl2 = 0x0003ffff,
34*4882a593Smuzhiyun .genlcd_cntl1 = 0x00fff003,
35*4882a593Smuzhiyun .genlcd_cntl2 = 0x00000003,
36*4882a593Smuzhiyun .genlcd_cntl3 = 0x000102aa,
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun static struct w100_mode himalaya4_lcd_mode = {
40*4882a593Smuzhiyun .xres = 240,
41*4882a593Smuzhiyun .yres = 320,
42*4882a593Smuzhiyun .left_margin = 0,
43*4882a593Smuzhiyun .right_margin = 31,
44*4882a593Smuzhiyun .upper_margin = 15,
45*4882a593Smuzhiyun .lower_margin = 0,
46*4882a593Smuzhiyun .crtc_ss = 0x80150014,
47*4882a593Smuzhiyun .crtc_ls = 0xa0fb00f7,
48*4882a593Smuzhiyun .crtc_gs = 0xc0080007,
49*4882a593Smuzhiyun .crtc_vpos_gs = 0x00080007,
50*4882a593Smuzhiyun .crtc_rev = 0x0000000a,
51*4882a593Smuzhiyun .crtc_dclk = 0x81700030,
52*4882a593Smuzhiyun .crtc_gclk = 0x8015010f,
53*4882a593Smuzhiyun .crtc_goe = 0x00000000,
54*4882a593Smuzhiyun .pll_freq = 80,
55*4882a593Smuzhiyun .pixclk_divider = 15,
56*4882a593Smuzhiyun .pixclk_divider_rotated = 15,
57*4882a593Smuzhiyun .pixclk_src = CLK_SRC_PLL,
58*4882a593Smuzhiyun .sysclk_divider = 0,
59*4882a593Smuzhiyun .sysclk_src = CLK_SRC_PLL,
60*4882a593Smuzhiyun };
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun static struct w100_mode himalaya6_lcd_mode = {
63*4882a593Smuzhiyun .xres = 240,
64*4882a593Smuzhiyun .yres = 320,
65*4882a593Smuzhiyun .left_margin = 9,
66*4882a593Smuzhiyun .right_margin = 8,
67*4882a593Smuzhiyun .upper_margin = 5,
68*4882a593Smuzhiyun .lower_margin = 4,
69*4882a593Smuzhiyun .crtc_ss = 0x80150014,
70*4882a593Smuzhiyun .crtc_ls = 0xa0fb00f7,
71*4882a593Smuzhiyun .crtc_gs = 0xc0080007,
72*4882a593Smuzhiyun .crtc_vpos_gs = 0x00080007,
73*4882a593Smuzhiyun .crtc_rev = 0x0000000a,
74*4882a593Smuzhiyun .crtc_dclk = 0xa1700030,
75*4882a593Smuzhiyun .crtc_gclk = 0x8015010f,
76*4882a593Smuzhiyun .crtc_goe = 0x00000000,
77*4882a593Smuzhiyun .pll_freq = 95,
78*4882a593Smuzhiyun .pixclk_divider = 0xb,
79*4882a593Smuzhiyun .pixclk_divider_rotated = 4,
80*4882a593Smuzhiyun .pixclk_src = CLK_SRC_PLL,
81*4882a593Smuzhiyun .sysclk_divider = 1,
82*4882a593Smuzhiyun .sysclk_src = CLK_SRC_PLL,
83*4882a593Smuzhiyun };
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun static struct w100_gpio_regs himalaya_w100_gpio_info = {
86*4882a593Smuzhiyun .init_data1 = 0xffff0000, /* GPIO_DATA */
87*4882a593Smuzhiyun .gpio_dir1 = 0x00000000, /* GPIO_CNTL1 */
88*4882a593Smuzhiyun .gpio_oe1 = 0x003c0000, /* GPIO_CNTL2 */
89*4882a593Smuzhiyun .init_data2 = 0x00000000, /* GPIO_DATA2 */
90*4882a593Smuzhiyun .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
91*4882a593Smuzhiyun .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
92*4882a593Smuzhiyun };
93*4882a593Smuzhiyun
94*4882a593Smuzhiyun static struct w100fb_mach_info himalaya_fb_info = {
95*4882a593Smuzhiyun .num_modes = 1,
96*4882a593Smuzhiyun .regs = &himalaya_lcd_regs,
97*4882a593Smuzhiyun .gpio = &himalaya_w100_gpio_info,
98*4882a593Smuzhiyun .xtal_freq = 16000000,
99*4882a593Smuzhiyun };
100*4882a593Smuzhiyun
101*4882a593Smuzhiyun static struct resource himalaya_fb_resources[] = {
102*4882a593Smuzhiyun [0] = {
103*4882a593Smuzhiyun .start = 0x08000000,
104*4882a593Smuzhiyun .end = 0x08ffffff,
105*4882a593Smuzhiyun .flags = IORESOURCE_MEM,
106*4882a593Smuzhiyun },
107*4882a593Smuzhiyun };
108*4882a593Smuzhiyun
109*4882a593Smuzhiyun static struct platform_device himalaya_fb_device = {
110*4882a593Smuzhiyun .name = "w100fb",
111*4882a593Smuzhiyun .id = -1,
112*4882a593Smuzhiyun .dev = {
113*4882a593Smuzhiyun .platform_data = &himalaya_fb_info,
114*4882a593Smuzhiyun },
115*4882a593Smuzhiyun .num_resources = ARRAY_SIZE(himalaya_fb_resources),
116*4882a593Smuzhiyun .resource = himalaya_fb_resources,
117*4882a593Smuzhiyun };
118*4882a593Smuzhiyun
119*4882a593Smuzhiyun /* ----------------------------------------------------------------------- */
120*4882a593Smuzhiyun
121*4882a593Smuzhiyun static struct platform_device *devices[] __initdata = {
122*4882a593Smuzhiyun &himalaya_fb_device,
123*4882a593Smuzhiyun };
124*4882a593Smuzhiyun
himalaya_lcd_init(void)125*4882a593Smuzhiyun static void __init himalaya_lcd_init(void)
126*4882a593Smuzhiyun {
127*4882a593Smuzhiyun int himalaya_boardid;
128*4882a593Smuzhiyun
129*4882a593Smuzhiyun himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
130*4882a593Smuzhiyun printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
131*4882a593Smuzhiyun himalaya_boardid);
132*4882a593Smuzhiyun
133*4882a593Smuzhiyun switch (himalaya_boardid) {
134*4882a593Smuzhiyun case 0x4:
135*4882a593Smuzhiyun himalaya_fb_info.modelist = &himalaya4_lcd_mode;
136*4882a593Smuzhiyun break;
137*4882a593Smuzhiyun case 0x6:
138*4882a593Smuzhiyun himalaya_fb_info.modelist = &himalaya6_lcd_mode;
139*4882a593Smuzhiyun break;
140*4882a593Smuzhiyun default:
141*4882a593Smuzhiyun printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
142*4882a593Smuzhiyun himalaya_boardid);
143*4882a593Smuzhiyun himalaya_fb_info.modelist = &himalaya4_lcd_mode;
144*4882a593Smuzhiyun }
145*4882a593Smuzhiyun }
146*4882a593Smuzhiyun
himalaya_init(void)147*4882a593Smuzhiyun static void __init himalaya_init(void)
148*4882a593Smuzhiyun {
149*4882a593Smuzhiyun pxa_set_ffuart_info(NULL);
150*4882a593Smuzhiyun pxa_set_btuart_info(NULL);
151*4882a593Smuzhiyun pxa_set_stuart_info(NULL);
152*4882a593Smuzhiyun himalaya_lcd_init();
153*4882a593Smuzhiyun platform_add_devices(devices, ARRAY_SIZE(devices));
154*4882a593Smuzhiyun }
155*4882a593Smuzhiyun
156*4882a593Smuzhiyun
157*4882a593Smuzhiyun MACHINE_START(HIMALAYA, "HTC Himalaya")
158*4882a593Smuzhiyun .atag_offset = 0x100,
159*4882a593Smuzhiyun .map_io = pxa25x_map_io,
160*4882a593Smuzhiyun .nr_irqs = PXA_NR_IRQS,
161*4882a593Smuzhiyun .init_irq = pxa25x_init_irq,
162*4882a593Smuzhiyun .handle_irq = pxa25x_handle_irq,
163*4882a593Smuzhiyun .init_machine = himalaya_init,
164*4882a593Smuzhiyun .init_time = pxa_timer_init,
165*4882a593Smuzhiyun .restart = pxa_restart,
166*4882a593Smuzhiyun MACHINE_END
167