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Linux/arch/arm/mach-sa1100/lart.c

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  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 
 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 };
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 

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