arch/arm/mach-sa1100/huw_webpanel.c

   1 /*
   2  * linux/arch/arm/mach-sa1100/huw_webpanel.c
   3  *
   4  */
   5 #include <linux/module.h>
   6 #include <linux/init.h>
   7 #include <linux/kernel.h>
   8 #include <linux/tty.h>
   9
  10 #include <asm/hardware.h>
  11 #include <asm/mach-types.h>
  12 #include <asm/setup.h>
  13
  14 #include <asm/mach/arch.h>
  15 #include <asm/mach/map.h>
  16 #include <asm/mach/serial_sa1100.h>
  17
  18 #include "generic.h"
  19
  20
  21 unsigned long BCR_value;
  22 EXPORT_SYMBOL(BCR_value);
  23
  24 static void huw_lcd_power(int on)
  25 {
  26         if (on)
  27                 BCR_clear(BCR_TFT_NPWR);
  28         else
  29                 BCR_set(BCR_TFT_NPWR);
  30 }
  31
  32 static void huw_backlight_power(int on)
  33 {
  34 #error FIXME
  35         if (on) {
  36                 BCR_set(BCR_CCFL_POW | BCR_PWM_BACKLIGHT);
  37                 set_current_state(TASK_UNINTERRUPTIBLE);
  38                 schedule_task(200 * HZ / 1000);
  39                 BCR_set(BCR_TFT_ENA);
  40         }
  41 }
  42
  43 static int __init init_huw_cs3(void)
  44 {
  45         // here we can place some initcode
  46         // BCR_value = 0x1045bf70; //*((volatile unsigned long*)0xf1fffff0);
  47         if (machine_is_huw_webpanel()) {
  48                 sa1100fb_lcd_power = huw_lcd_power;
  49                 sa1100fb_backlight_power = huw_backlight_power;
  50         }
  51
  52         return 0;
  53 }
  54
  55 arch_initcall(init_huw_cs3);
  56
  57
  58 /**
  59    memory information (JOR):
  60    32 MByte - 256KByte bootloader (init at boot time) - 32 kByte save area
  61    area size = 288 kByte (0x48000 Bytes)
  62 **/
  63 static struct map_desc huw_webpanel_io_desc[] __initdata = {
  64  /* virtual     physical    length      type */
  65   { 0xf0000000, 0xc1fb8000, 0x00048000, MT_DEVICE }, /* Parameter */
  66   { 0xf1000000, 0x18000000, 0x00100000, MT_DEVICE }  /* Paules CS3, write only */
  67 };
  68
  69 static void __init huw_webpanel_map_io(void)
  70 {
  71         sa1100_map_io();
  72         iotable_init(huw_webpanel_io_desc, ARRAY_SIZE(huw_webpanel_io_desc));
  73
  74         sa1100_register_uart(0, 3);
  75         sa1100_register_uart(1, 1);
  76 }
  77
  78
  79 MACHINE_START(HUW_WEBPANEL, "HuW-Webpanel")
  80         MAINTAINER("Roman Jordan")
  81         BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
  82         MAPIO(huw_webpanel_map_io)
  83         INITIRQ(sa1100_init_irq)
  84         INITTIME(sa1100_init_time)
  85 MACHINE_END