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
27 static struct mcp_plat_data lart_mcp_data = {
28 .mccr0 = MCCR0_ADM,
29 .sclk_rate = 11981000,
30 };
31
32 #ifdef LART_GREY_LCD
33 static 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
49 static 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
62 static 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
78 static 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
lart_init(void)91 static 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
115 static 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 */
130 struct gpio_led lart_gpio_leds[] = {
131 {
132 .name = "lart:red",
133 .default_trigger = "cpu0",
134 .gpio = 23,
135 },
136 };
137
138 static struct gpio_led_platform_data lart_gpio_led_info = {
139 .leds = lart_gpio_leds,
140 .num_leds = ARRAY_SIZE(lart_gpio_leds),
141 };
142
143 static struct platform_device lart_leds = {
144 .name = "leds-gpio",
145 .id = -1,
146 .dev = {
147 .platform_data = &lart_gpio_led_info,
148 }
149 };
lart_map_io(void)150 static 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
167 MACHINE_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,
176 MACHINE_END
177