1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/arch/arm/mach-pxa/himalaya.c
4 *
5 * Hardware definitions for the HTC Himalaya
6 *
7 * Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c
8 *
9 * Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz>
10 */
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/device.h>
15#include <linux/fb.h>
16#include <linux/platform_device.h>
17
18#include <video/w100fb.h>
19
20#include <asm/setup.h>
21#include <asm/mach-types.h>
22#include <asm/mach/arch.h>
23
24#include "pxa25x.h"
25
26#include "generic.h"
27
28/* ---------------------- Himalaya LCD definitions -------------------- */
29
30static 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,
37};
38
39static struct w100_mode himalaya4_lcd_mode = {
40	.xres 		= 240,
41	.yres 		= 320,
42	.left_margin 	= 0,
43	.right_margin 	= 31,
44	.upper_margin 	= 15,
45	.lower_margin 	= 0,
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,
54	.pll_freq 	= 80,
55	.pixclk_divider = 15,
56	.pixclk_divider_rotated = 15,
57	.pixclk_src     = CLK_SRC_PLL,
58	.sysclk_divider = 0,
59	.sysclk_src     = CLK_SRC_PLL,
60};
61
62static struct w100_mode himalaya6_lcd_mode = {
63	.xres 		= 240,
64	.yres 		= 320,
65	.left_margin 	= 9,
66	.right_margin 	= 8,
67	.upper_margin 	= 5,
68	.lower_margin 	= 4,
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,
77	.pll_freq 	= 95,
78	.pixclk_divider = 0xb,
79	.pixclk_divider_rotated = 4,
80	.pixclk_src     = CLK_SRC_PLL,
81	.sysclk_divider = 1,
82	.sysclk_src     = CLK_SRC_PLL,
83};
84
85static 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 */
92};
93
94static struct w100fb_mach_info himalaya_fb_info = {
95	.num_modes  = 1,
96	.regs       = &himalaya_lcd_regs,
97	.gpio       = &himalaya_w100_gpio_info,
98	.xtal_freq = 16000000,
99};
100
101static struct resource himalaya_fb_resources[] = {
102	[0] = {
103		.start	= 0x08000000,
104		.end	= 0x08ffffff,
105		.flags	= IORESOURCE_MEM,
106	},
107};
108
109static struct platform_device himalaya_fb_device = {
110	.name           = "w100fb",
111	.id             = -1,
112	.dev            = {
113		.platform_data  = &himalaya_fb_info,
114	},
115	.num_resources  = ARRAY_SIZE(himalaya_fb_resources),
116	.resource       = himalaya_fb_resources,
117};
118
119/* ----------------------------------------------------------------------- */
120
121static struct platform_device *devices[] __initdata = {
122	&himalaya_fb_device,
123};
124
125static void __init himalaya_lcd_init(void)
126{
127	int himalaya_boardid;
128
129	himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
130	printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
131		himalaya_boardid);
132
133	switch (himalaya_boardid) {
134	case 0x4:
135		himalaya_fb_info.modelist = &himalaya4_lcd_mode;
136	break;
137	case 0x6:
138		himalaya_fb_info.modelist = &himalaya6_lcd_mode;
139	break;
140	default:
141		printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
142			himalaya_boardid);
143		himalaya_fb_info.modelist = &himalaya4_lcd_mode;
144	}
145}
146
147static void __init himalaya_init(void)
148{
149	pxa_set_ffuart_info(NULL);
150	pxa_set_btuart_info(NULL);
151	pxa_set_stuart_info(NULL);
152	himalaya_lcd_init();
153	platform_add_devices(devices, ARRAY_SIZE(devices));
154}
155
156
157MACHINE_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,
166MACHINE_END
167