arch/mips/au1000/common/platform.c

   1 /*
   2  * Platform device support for Au1x00 SoCs.
   3  *
   4  * Copyright 2004, Matt Porter <mporter@kernel.crashing.org>
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2.  This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10 #include <linux/device.h>
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/resource.h>
  14
  15 #include <asm/mach-au1x00/au1000.h>
  16
  17 static struct resource au1xxx_usb_ohci_resources[] = {
  18         [0] = {
  19                 .start          = USB_OHCI_BASE,
  20                 .end            = USB_OHCI_BASE + USB_OHCI_LEN,
  21                 .flags          = IORESOURCE_MEM,
  22         },
  23         [1] = {
  24                 .start          = AU1000_USB_HOST_INT,
  25                 .end            = AU1000_USB_HOST_INT,
  26                 .flags          = IORESOURCE_IRQ,
  27         },
  28 };
  29
  30 /* The dmamask must be set for OHCI to work */
  31 static u64 ohci_dmamask = ~(u32)0;
  32
  33 static struct platform_device au1xxx_usb_ohci_device = {
  34         .name           = "au1xxx-ohci",
  35         .id             = 0,
  36         .dev = {
  37                 .dma_mask               = &ohci_dmamask,
  38                 .coherent_dma_mask      = 0xffffffff,
  39         },
  40         .num_resources  = ARRAY_SIZE(au1xxx_usb_ohci_resources),
  41         .resource       = au1xxx_usb_ohci_resources,
  42 };
  43
  44 /*** AU1100 LCD controller ***/
  45
  46 #ifdef CONFIG_FB_AU1100
  47 static struct resource au1100_lcd_resources[] = {
  48         [0] = {
  49                 .start          = LCD_PHYS_ADDR,
  50                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
  51                 .flags          = IORESOURCE_MEM,
  52         },
  53         [1] = {
  54                 .start          = AU1100_LCD_INT,
  55                 .end            = AU1100_LCD_INT,
  56                 .flags          = IORESOURCE_IRQ,
  57         }
  58 };
  59
  60 static u64 au1100_lcd_dmamask = ~(u32)0;
  61
  62 static struct platform_device au1100_lcd_device = {
  63         .name           = "au1100-lcd",
  64         .id             = 0,
  65         .dev = {
  66                 .dma_mask               = &au1100_lcd_dmamask,
  67                 .coherent_dma_mask      = 0xffffffff,
  68         },
  69         .num_resources  = ARRAY_SIZE(au1100_lcd_resources),
  70         .resource       = au1100_lcd_resources,
  71 };
  72 #endif
  73
  74
  75 static struct platform_device *au1xxx_platform_devices[] __initdata = {
  76         &au1xxx_usb_ohci_device,
  77 #ifdef CONFIG_FB_AU1100
  78         &au1100_lcd_device,
  79 #endif
  80 };
  81
  82 int au1xxx_platform_init(void)
  83 {
  84         return platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices));
  85 }
  86
  87 arch_initcall(au1xxx_platform_init);