arch/arm/mach-sa1100/lart.c

   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