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 /* OHCI (USB full speed host controller) */
  18 static struct resource au1xxx_usb_ohci_resources[] = {
  19         [0] = {
  20                 .start          = USB_OHCI_BASE,
  21                 .end            = USB_OHCI_BASE + USB_OHCI_LEN,
  22                 .flags          = IORESOURCE_MEM,
  23         },
  24         [1] = {
  25                 .start          = AU1000_USB_HOST_INT,
  26                 .end            = AU1000_USB_HOST_INT,
  27                 .flags          = IORESOURCE_IRQ,
  28         },
  29 };
  30
  31 /* The dmamask must be set for OHCI to work */
  32 static u64 ohci_dmamask = ~(u32)0;
  33
  34 static struct platform_device au1xxx_usb_ohci_device = {
  35         .name           = "au1xxx-ohci",
  36         .id             = 0,
  37         .dev = {
  38                 .dma_mask               = &ohci_dmamask,
  39                 .coherent_dma_mask      = 0xffffffff,
  40         },
  41         .num_resources  = ARRAY_SIZE(au1xxx_usb_ohci_resources),
  42         .resource       = au1xxx_usb_ohci_resources,
  43 };
  44
  45 /*** AU1100 LCD controller ***/
  46
  47 #ifdef CONFIG_FB_AU1100
  48 static struct resource au1100_lcd_resources[] = {
  49         [0] = {
  50                 .start          = LCD_PHYS_ADDR,
  51                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
  52                 .flags          = IORESOURCE_MEM,
  53         },
  54         [1] = {
  55                 .start          = AU1100_LCD_INT,
  56                 .end            = AU1100_LCD_INT,
  57                 .flags          = IORESOURCE_IRQ,
  58         }
  59 };
  60
  61 static u64 au1100_lcd_dmamask = ~(u32)0;
  62
  63 static struct platform_device au1100_lcd_device = {
  64         .name           = "au1100-lcd",
  65         .id             = 0,
  66         .dev = {
  67                 .dma_mask               = &au1100_lcd_dmamask,
  68                 .coherent_dma_mask      = 0xffffffff,
  69         },
  70         .num_resources  = ARRAY_SIZE(au1100_lcd_resources),
  71         .resource       = au1100_lcd_resources,
  72 };
  73 #endif
  74
  75 #ifdef CONFIG_SOC_AU1200
  76 /* EHCI (USB high speed host controller) */
  77 static struct resource au1xxx_usb_ehci_resources[] = {
  78         [0] = {
  79                 .start          = USB_EHCI_BASE,
  80                 .end            = USB_EHCI_BASE + USB_EHCI_LEN - 1,
  81                 .flags          = IORESOURCE_MEM,
  82         },
  83         [1] = {
  84                 .start          = AU1000_USB_HOST_INT,
  85                 .end            = AU1000_USB_HOST_INT,
  86                 .flags          = IORESOURCE_IRQ,
  87         },
  88 };
  89
  90 static u64 ehci_dmamask = ~(u32)0;
  91
  92 static struct platform_device au1xxx_usb_ehci_device = {
  93         .name           = "au1xxx-ehci",
  94         .id             = 0,
  95         .dev = {
  96                 .dma_mask               = &ehci_dmamask,
  97                 .coherent_dma_mask      = 0xffffffff,
  98         },
  99         .num_resources  = ARRAY_SIZE(au1xxx_usb_ehci_resources),
 100         .resource       = au1xxx_usb_ehci_resources,
 101 };
 102
 103 /* Au1200 UDC (USB gadget controller) */
 104 static struct resource au1xxx_usb_gdt_resources[] = {
 105         [0] = {
 106                 .start          = USB_UDC_BASE,
 107                 .end            = USB_UDC_BASE + USB_UDC_LEN - 1,
 108                 .flags          = IORESOURCE_MEM,
 109         },
 110         [1] = {
 111                 .start          = AU1200_USB_INT,
 112                 .end            = AU1200_USB_INT,
 113                 .flags          = IORESOURCE_IRQ,
 114         },
 115 };
 116
 117 static u64 udc_dmamask = ~(u32)0;
 118
 119 static struct platform_device au1xxx_usb_gdt_device = {
 120         .name           = "au1xxx-udc",
 121         .id             = 0,
 122         .dev = {
 123                 .dma_mask               = &udc_dmamask,
 124                 .coherent_dma_mask      = 0xffffffff,
 125         },
 126         .num_resources  = ARRAY_SIZE(au1xxx_usb_gdt_resources),
 127         .resource       = au1xxx_usb_gdt_resources,
 128 };
 129
 130 /* Au1200 UOC (USB OTG controller) */
 131 static struct resource au1xxx_usb_otg_resources[] = {
 132         [0] = {
 133                 .start          = USB_UOC_BASE,
 134                 .end            = USB_UOC_BASE + USB_UOC_LEN - 1,
 135                 .flags          = IORESOURCE_MEM,
 136         },
 137         [1] = {
 138                 .start          = AU1200_USB_INT,
 139                 .end            = AU1200_USB_INT,
 140                 .flags          = IORESOURCE_IRQ,
 141         },
 142 };
 143
 144 static u64 uoc_dmamask = ~(u32)0;
 145
 146 static struct platform_device au1xxx_usb_otg_device = {
 147         .name           = "au1xxx-uoc",
 148         .id             = 0,
 149         .dev = {
 150                 .dma_mask               = &uoc_dmamask,
 151                 .coherent_dma_mask      = 0xffffffff,
 152         },
 153         .num_resources  = ARRAY_SIZE(au1xxx_usb_otg_resources),
 154         .resource       = au1xxx_usb_otg_resources,
 155 };
 156
 157 /*** AU1200 LCD controller ***/
 158 static struct resource au1200_lcd_resources[] = {
 159         [0] = {
 160                 .start          = LCD_PHYS_ADDR,
 161                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
 162                 .flags          = IORESOURCE_MEM,
 163         },
 164         [1] = {
 165                 .start          = AU1200_LCD_INT,
 166                 .end            = AU1200_LCD_INT,
 167                 .flags          = IORESOURCE_IRQ,
 168         }
 169 };
 170
 171 static u64 au1200_lcd_dmamask = ~(u32)0;
 172
 173 static struct platform_device au1200_lcd_device = {
 174         .name           = "au1200-lcd",
 175         .id             = 0,
 176         .dev = {
 177                 .dma_mask               = &au1200_lcd_dmamask,
 178                 .coherent_dma_mask      = 0xffffffff,
 179         },
 180         .num_resources  = ARRAY_SIZE(au1200_lcd_resources),
 181         .resource       = au1200_lcd_resources,
 182 };
 183 #endif
 184
 185 static struct platform_device *au1xxx_platform_devices[] __initdata = {
 186         &au1xxx_usb_ohci_device,
 187 #ifdef CONFIG_FB_AU1100
 188         &au1100_lcd_device,
 189 #endif
 190 #ifdef CONFIG_SOC_AU1200
 191 #if 0   /* fixme */
 192         &au1xxx_usb_ehci_device,
 193 #endif
 194         &au1xxx_usb_gdt_device,
 195         &au1xxx_usb_otg_device,
 196         &au1200_lcd_device,
 197 #endif
 198 };
 199
 200 int au1xxx_platform_init(void)
 201 {
 202         return platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices));
 203 }
 204
 205 arch_initcall(au1xxx_platform_init);