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
  28 #warning "include/asm/arch-sa1100/ide.h needs fixing for lart"
  29
  30 static struct mcp_plat_data lart_mcp_data = {
  31         .mccr0          = MCCR0_ADM,
  32         .sclk_rate      = 11981000,
  33 };
  34
  35 #ifdef LART_GREY_LCD
  36 static struct sa1100fb_mach_info lart_grey_info = {
  37         .pixclock       = 150000,       .bpp            = 4,
  38         .xres           = 320,          .yres           = 240,
  39
  40         .hsync_len      = 1,            .vsync_len      = 1,
  41         .left_margin    = 4,            .upper_margin   = 0,
  42         .right_margin   = 2,            .lower_margin   = 0,
  43
  44         .cmap_greyscale = 1,
  45         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  46
  47         .lccr0          = LCCR0_Mono | LCCR0_Sngl | LCCR0_Pas | LCCR0_4PixMono,
  48         .lccr3          = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512),
  49 };
  50 #endif
  51 #ifdef LART_COLOR_LCD
  52 static struct sa1100fb_mach_info lart_color_info = {
  53         .pixclock       = 150000,       .bpp            = 16,
  54         .xres           = 320,          .yres           = 240,
  55
  56         .hsync_len      = 2,            .vsync_len      = 3,
  57         .left_margin    = 69,           .upper_margin   = 14,
  58         .right_margin   = 8,            .lower_margin   = 4,
  59
  60         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
  61         .lccr3          = LCCR3_OutEnH | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512),
  62 };
  63 #endif
  64 #ifdef LART_VIDEO_OUT
  65 static struct sa1100fb_mach_info lart_video_info = {
  66         .pixclock       = 39721,        .bpp            = 16,
  67         .xres           = 640,          .yres           = 480,
  68
  69         .hsync_len      = 95,           .vsync_len      = 2,
  70         .left_margin    = 40,           .upper_margin   = 32,
  71         .right_margin   = 24,           .lower_margin   = 11,
  72
  73         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  74
  75         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
  76         .lccr3          = LCCR3_OutEnL | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512),
  77 };
  78 #endif
  79
  80 #ifdef LART_KIT01_LCD
  81 static struct sa1100fb_mach_info lart_kit01_info = {
  82         .pixclock       = 63291,        .bpp            = 16,
  83         .xres           = 640,          .yres           = 480,
  84
  85         .hsync_len      = 64,           .vsync_len      = 3,
  86         .left_margin    = 122,          .upper_margin   = 45,
  87         .right_margin   = 10,           .lower_margin   = 10,
  88
  89         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
  90         .lccr3          = LCCR3_OutEnH | LCCR3_PixFlEdg
  91 };
  92 #endif
  93
  94 static void __init lart_init(void)
  95 {
  96         struct sa1100fb_mach_info *inf = NULL;
  97
  98 #ifdef LART_GREY_LCD
  99         inf = &lart_grey_info;
 100 #endif
 101 #ifdef LART_COLOR_LCD
 102         inf = &lart_color_info;
 103 #endif
 104 #ifdef LART_VIDEO_OUT
 105         inf = &lart_video_info;
 106 #endif
 107 #ifdef LART_KIT01_LCD
 108         inf = &lart_kit01_info;
 109 #endif
 110
 111         if (inf)
 112                 sa11x0_register_lcd(inf);
 113
 114         sa11x0_ppc_configure_mcp();
 115         sa11x0_register_mcp(&lart_mcp_data);
 116 }
 117
 118 static struct map_desc lart_io_desc[] __initdata = {
 119         {       /* main flash memory */
 120                 .virtual        =  0xe8000000,
 121                 .pfn            = __phys_to_pfn(0x00000000),
 122                 .length         = 0x00400000,
 123                 .type           = MT_DEVICE
 124         }, {    /* main flash, alternative location */
 125                 .virtual        =  0xec000000,
 126                 .pfn            = __phys_to_pfn(0x08000000),
 127                 .length         = 0x00400000,
 128                 .type           = MT_DEVICE
 129         }
 130 };
 131
 132 /* LEDs */
 133 struct gpio_led lart_gpio_leds[] = {
 134         {
 135                 .name                   = "lart:red",
 136                 .default_trigger        = "cpu0",
 137                 .gpio                   = 23,
 138         },
 139 };
 140
 141 static struct gpio_led_platform_data lart_gpio_led_info = {
 142         .leds           = lart_gpio_leds,
 143         .num_leds       = ARRAY_SIZE(lart_gpio_leds),
 144 };
 145
 146 static struct platform_device lart_leds = {
 147         .name   = "leds-gpio",
 148         .id     = -1,
 149         .dev    = {
 150                 .platform_data  = &lart_gpio_led_info,
 151         }
 152 };
 153 static void __init lart_map_io(void)
 154 {
 155         sa1100_map_io();
 156         iotable_init(lart_io_desc, ARRAY_SIZE(lart_io_desc));
 157
 158         sa1100_register_uart(0, 3);
 159         sa1100_register_uart(1, 1);
 160         sa1100_register_uart(2, 2);
 161
 162         GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
 163         GPDR |= GPIO_UART_TXD;
 164         GPDR &= ~GPIO_UART_RXD;
 165         PPAR |= PPAR_UPR;
 166
 167         platform_device_register(&lart_leds);
 168 }
 169
 170 MACHINE_START(LART, "LART")
 171         .atag_offset    = 0x100,
 172         .map_io         = lart_map_io,
 173         .nr_irqs        = SA1100_NR_IRQS,
 174         .init_irq       = sa1100_init_irq,
 175         .init_machine   = lart_init,
 176         .init_late      = sa11x0_init_late,
 177         .timer          = &sa1100_timer,
 178         .restart        = sa11x0_restart,
 179 MACHINE_END