1/*
2 * linux/arch/arm/mach-sa1100/lart.c
3 */
4
5#include <linux/init.h>
6#include <linux/kernel.h>
7#include <linux/platform_data/sa11x0-serial.h>
8#include <linux/tty.h>
9#include <linux/gpio.h>
10#include <linux/leds.h>
11#include <linux/platform_device.h>
12
13#include <video/sa1100fb.h>
14
15#include <mach/hardware.h>
16#include <asm/setup.h>
17#include <asm/mach-types.h>
18#include <asm/page.h>
19
20#include <asm/mach/arch.h>
21#include <asm/mach/map.h>
22#include <linux/platform_data/mfd-mcp-sa11x0.h>
23#include <mach/irqs.h>
24
25#include "generic.h"
26
27static struct mcp_plat_data lart_mcp_data = {
28	.mccr0		= MCCR0_ADM,
29	.sclk_rate	= 11981000,
30};
31
32#ifdef LART_GREY_LCD
33static struct sa1100fb_mach_info lart_grey_info = {
34	.pixclock	= 150000,	.bpp		= 4,
35	.xres		= 320,		.yres		= 240,
36
37	.hsync_len	= 1,		.vsync_len	= 1,
38	.left_margin	= 4,		.upper_margin	= 0,
39	.right_margin	= 2,		.lower_margin	= 0,
40
41	.cmap_greyscale	= 1,
42	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
43
44	.lccr0		= LCCR0_Mono | LCCR0_Sngl | LCCR0_Pas | LCCR0_4PixMono,
45	.lccr3		= LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512),
46};
47#endif
48#ifdef LART_COLOR_LCD
49static struct sa1100fb_mach_info lart_color_info = {
50	.pixclock	= 150000,	.bpp		= 16,
51	.xres		= 320,		.yres		= 240,
52
53	.hsync_len	= 2,		.vsync_len	= 3,
54	.left_margin	= 69,		.upper_margin	= 14,
55	.right_margin	= 8,		.lower_margin	= 4,
56
57	.lccr0		= LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
58	.lccr3		= LCCR3_OutEnH | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512),
59};
60#endif
61#ifdef LART_VIDEO_OUT
62static struct sa1100fb_mach_info lart_video_info = {
63	.pixclock	= 39721,	.bpp		= 16,
64	.xres		= 640,		.yres		= 480,
65
66	.hsync_len	= 95,		.vsync_len	= 2,
67	.left_margin	= 40,		.upper_margin	= 32,
68	.right_margin	= 24,		.lower_margin	= 11,
69
70	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
71
72	.lccr0		= LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
73	.lccr3		= LCCR3_OutEnL | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512),
74};
75#endif
76
77#ifdef LART_KIT01_LCD
78static struct sa1100fb_mach_info lart_kit01_info = {
79	.pixclock	= 63291,	.bpp		= 16,
80	.xres		= 640,		.yres		= 480,
81
82	.hsync_len	= 64,		.vsync_len	= 3,
83	.left_margin	= 122,		.upper_margin	= 45,
84	.right_margin	= 10,		.lower_margin	= 10,
85
86	.lccr0		= LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
87	.lccr3		= LCCR3_OutEnH | LCCR3_PixFlEdg
88};
89#endif
90
91static void __init lart_init(void)
92{
93	struct sa1100fb_mach_info *inf = NULL;
94
95#ifdef LART_GREY_LCD
96	inf = &lart_grey_info;
97#endif
98#ifdef LART_COLOR_LCD
99	inf = &lart_color_info;
100#endif
101#ifdef LART_VIDEO_OUT
102	inf = &lart_video_info;
103#endif
104#ifdef LART_KIT01_LCD
105	inf = &lart_kit01_info;
106#endif
107
108	if (inf)
109		sa11x0_register_lcd(inf);
110
111	sa11x0_ppc_configure_mcp();
112	sa11x0_register_mcp(&lart_mcp_data);
113}
114
115static struct map_desc lart_io_desc[] __initdata = {
116	{	/* main flash memory */
117		.virtual	=  0xe8000000,
118		.pfn		= __phys_to_pfn(0x00000000),
119		.length		= 0x00400000,
120		.type		= MT_DEVICE
121	}, {	/* main flash, alternative location */
122		.virtual	=  0xec000000,
123		.pfn		= __phys_to_pfn(0x08000000),
124		.length		= 0x00400000,
125		.type		= MT_DEVICE
126	}
127};
128
129/* LEDs */
130struct gpio_led lart_gpio_leds[] = {
131	{
132		.name			= "lart:red",
133		.default_trigger	= "cpu0",
134		.gpio			= 23,
135	},
136};
137
138static struct gpio_led_platform_data lart_gpio_led_info = {
139	.leds		= lart_gpio_leds,
140	.num_leds	= ARRAY_SIZE(lart_gpio_leds),
141};
142
143static struct platform_device lart_leds = {
144	.name	= "leds-gpio",
145	.id	= -1,
146	.dev	= {
147		.platform_data	= &lart_gpio_led_info,
148	}
149};
150static void __init lart_map_io(void)
151{
152	sa1100_map_io();
153	iotable_init(lart_io_desc, ARRAY_SIZE(lart_io_desc));
154
155	sa1100_register_uart(0, 3);
156	sa1100_register_uart(1, 1);
157	sa1100_register_uart(2, 2);
158
159	GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
160	GPDR |= GPIO_UART_TXD;
161	GPDR &= ~GPIO_UART_RXD;
162	PPAR |= PPAR_UPR;
163
164	platform_device_register(&lart_leds);
165}
166
167MACHINE_START(LART, "LART")
168	.atag_offset	= 0x100,
169	.map_io		= lart_map_io,
170	.nr_irqs	= SA1100_NR_IRQS,
171	.init_irq	= sa1100_init_irq,
172	.init_machine	= lart_init,
173	.init_late	= sa11x0_init_late,
174	.init_time	= sa1100_timer_init,
175	.restart	= sa11x0_restart,
176MACHINE_END
177