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  * (C) Copyright Embedded Alley Solutions, Inc 2005
   7  * Author: Pantelis Antoniou <pantelis@embeddedalley.com>
   8  *
   9  * This file is licensed under the terms of the GNU General Public
  10  * License version 2.  This program is licensed "as is" without any
  11  * warranty of any kind, whether express or implied.
  12  */
  13
  14 #include <linux/platform_device.h>
  15 #include <linux/serial_8250.h>
  16 #include <linux/init.h>
  17
  18 #include <asm/mach-au1x00/au1xxx.h>
  19
  20 #define PORT(_base, _irq)                               \
  21         {                                               \
  22                 .iobase         = _base,                \
  23                 .membase        = (void __iomem *)_base,\
  24                 .mapbase        = CPHYSADDR(_base),     \
  25                 .irq            = _irq,                 \
  26                 .regshift       = 2,                    \
  27                 .iotype         = UPIO_AU,              \
  28                 .flags          = UPF_SKIP_TEST         \
  29         }
  30
  31 static struct plat_serial8250_port au1x00_uart_data[] = {
  32 #if defined(CONFIG_SERIAL_8250_AU1X00)
  33 #if defined(CONFIG_SOC_AU1000)
  34         PORT(UART0_ADDR, AU1000_UART0_INT),
  35         PORT(UART1_ADDR, AU1000_UART1_INT),
  36         PORT(UART2_ADDR, AU1000_UART2_INT),
  37         PORT(UART3_ADDR, AU1000_UART3_INT),
  38 #elif defined(CONFIG_SOC_AU1500)
  39         PORT(UART0_ADDR, AU1500_UART0_INT),
  40         PORT(UART3_ADDR, AU1500_UART3_INT),
  41 #elif defined(CONFIG_SOC_AU1100)
  42         PORT(UART0_ADDR, AU1100_UART0_INT),
  43         PORT(UART1_ADDR, AU1100_UART1_INT),
  44         PORT(UART3_ADDR, AU1100_UART3_INT),
  45 #elif defined(CONFIG_SOC_AU1550)
  46         PORT(UART0_ADDR, AU1550_UART0_INT),
  47         PORT(UART1_ADDR, AU1550_UART1_INT),
  48         PORT(UART3_ADDR, AU1550_UART3_INT),
  49 #elif defined(CONFIG_SOC_AU1200)
  50         PORT(UART0_ADDR, AU1200_UART0_INT),
  51         PORT(UART1_ADDR, AU1200_UART1_INT),
  52 #endif
  53 #endif  /* CONFIG_SERIAL_8250_AU1X00 */
  54         { },
  55 };
  56
  57 static struct platform_device au1xx0_uart_device = {
  58         .name                   = "serial8250",
  59         .id                     = PLAT8250_DEV_AU1X00,
  60         .dev                    = {
  61                 .platform_data  = au1x00_uart_data,
  62         },
  63 };
  64
  65 /* OHCI (USB full speed host controller) */
  66 static struct resource au1xxx_usb_ohci_resources[] = {
  67         [0] = {
  68                 .start          = USB_OHCI_BASE,
  69                 .end            = USB_OHCI_BASE + USB_OHCI_LEN - 1,
  70                 .flags          = IORESOURCE_MEM,
  71         },
  72         [1] = {
  73                 .start          = AU1000_USB_HOST_INT,
  74                 .end            = AU1000_USB_HOST_INT,
  75                 .flags          = IORESOURCE_IRQ,
  76         },
  77 };
  78
  79 /* The dmamask must be set for OHCI to work */
  80 static u64 ohci_dmamask = ~(u32)0;
  81
  82 static struct platform_device au1xxx_usb_ohci_device = {
  83         .name           = "au1xxx-ohci",
  84         .id             = 0,
  85         .dev = {
  86                 .dma_mask               = &ohci_dmamask,
  87                 .coherent_dma_mask      = 0xffffffff,
  88         },
  89         .num_resources  = ARRAY_SIZE(au1xxx_usb_ohci_resources),
  90         .resource       = au1xxx_usb_ohci_resources,
  91 };
  92
  93 /*** AU1100 LCD controller ***/
  94
  95 #ifdef CONFIG_FB_AU1100
  96 static struct resource au1100_lcd_resources[] = {
  97         [0] = {
  98                 .start          = LCD_PHYS_ADDR,
  99                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
 100                 .flags          = IORESOURCE_MEM,
 101         },
 102         [1] = {
 103                 .start          = AU1100_LCD_INT,
 104                 .end            = AU1100_LCD_INT,
 105                 .flags          = IORESOURCE_IRQ,
 106         }
 107 };
 108
 109 static u64 au1100_lcd_dmamask = ~(u32)0;
 110
 111 static struct platform_device au1100_lcd_device = {
 112         .name           = "au1100-lcd",
 113         .id             = 0,
 114         .dev = {
 115                 .dma_mask               = &au1100_lcd_dmamask,
 116                 .coherent_dma_mask      = 0xffffffff,
 117         },
 118         .num_resources  = ARRAY_SIZE(au1100_lcd_resources),
 119         .resource       = au1100_lcd_resources,
 120 };
 121 #endif
 122
 123 #ifdef CONFIG_SOC_AU1200
 124 /* EHCI (USB high speed host controller) */
 125 static struct resource au1xxx_usb_ehci_resources[] = {
 126         [0] = {
 127                 .start          = USB_EHCI_BASE,
 128                 .end            = USB_EHCI_BASE + USB_EHCI_LEN - 1,
 129                 .flags          = IORESOURCE_MEM,
 130         },
 131         [1] = {
 132                 .start          = AU1000_USB_HOST_INT,
 133                 .end            = AU1000_USB_HOST_INT,
 134                 .flags          = IORESOURCE_IRQ,
 135         },
 136 };
 137
 138 static u64 ehci_dmamask = ~(u32)0;
 139
 140 static struct platform_device au1xxx_usb_ehci_device = {
 141         .name           = "au1xxx-ehci",
 142         .id             = 0,
 143         .dev = {
 144                 .dma_mask               = &ehci_dmamask,
 145                 .coherent_dma_mask      = 0xffffffff,
 146         },
 147         .num_resources  = ARRAY_SIZE(au1xxx_usb_ehci_resources),
 148         .resource       = au1xxx_usb_ehci_resources,
 149 };
 150
 151 /* Au1200 UDC (USB gadget controller) */
 152 static struct resource au1xxx_usb_gdt_resources[] = {
 153         [0] = {
 154                 .start          = USB_UDC_BASE,
 155                 .end            = USB_UDC_BASE + USB_UDC_LEN - 1,
 156                 .flags          = IORESOURCE_MEM,
 157         },
 158         [1] = {
 159                 .start          = AU1200_USB_INT,
 160                 .end            = AU1200_USB_INT,
 161                 .flags          = IORESOURCE_IRQ,
 162         },
 163 };
 164
 165 static struct resource au1xxx_mmc_resources[] = {
 166         [0] = {
 167                 .start          = SD0_PHYS_ADDR,
 168                 .end            = SD0_PHYS_ADDR + 0x40,
 169                 .flags          = IORESOURCE_MEM,
 170         },
 171         [1] = {
 172                 .start          = SD1_PHYS_ADDR,
 173                 .end            = SD1_PHYS_ADDR + 0x40,
 174                 .flags          = IORESOURCE_MEM,
 175         },
 176         [2] = {
 177                 .start          = AU1200_SD_INT,
 178                 .end            = AU1200_SD_INT,
 179                 .flags          = IORESOURCE_IRQ,
 180         }
 181 };
 182
 183 static u64 udc_dmamask = ~(u32)0;
 184
 185 static struct platform_device au1xxx_usb_gdt_device = {
 186         .name           = "au1xxx-udc",
 187         .id             = 0,
 188         .dev = {
 189                 .dma_mask               = &udc_dmamask,
 190                 .coherent_dma_mask      = 0xffffffff,
 191         },
 192         .num_resources  = ARRAY_SIZE(au1xxx_usb_gdt_resources),
 193         .resource       = au1xxx_usb_gdt_resources,
 194 };
 195
 196 /* Au1200 UOC (USB OTG controller) */
 197 static struct resource au1xxx_usb_otg_resources[] = {
 198         [0] = {
 199                 .start          = USB_UOC_BASE,
 200                 .end            = USB_UOC_BASE + USB_UOC_LEN - 1,
 201                 .flags          = IORESOURCE_MEM,
 202         },
 203         [1] = {
 204                 .start          = AU1200_USB_INT,
 205                 .end            = AU1200_USB_INT,
 206                 .flags          = IORESOURCE_IRQ,
 207         },
 208 };
 209
 210 static u64 uoc_dmamask = ~(u32)0;
 211
 212 static struct platform_device au1xxx_usb_otg_device = {
 213         .name           = "au1xxx-uoc",
 214         .id             = 0,
 215         .dev = {
 216                 .dma_mask               = &uoc_dmamask,
 217                 .coherent_dma_mask      = 0xffffffff,
 218         },
 219         .num_resources  = ARRAY_SIZE(au1xxx_usb_otg_resources),
 220         .resource       = au1xxx_usb_otg_resources,
 221 };
 222
 223 static struct resource au1200_lcd_resources[] = {
 224         [0] = {
 225                 .start          = LCD_PHYS_ADDR,
 226                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
 227                 .flags          = IORESOURCE_MEM,
 228         },
 229         [1] = {
 230                 .start          = AU1200_LCD_INT,
 231                 .end            = AU1200_LCD_INT,
 232                 .flags          = IORESOURCE_IRQ,
 233         }
 234 };
 235
 236 static u64 au1200_lcd_dmamask = ~(u32)0;
 237
 238 static struct platform_device au1200_lcd_device = {
 239         .name           = "au1200-lcd",
 240         .id             = 0,
 241         .dev = {
 242                 .dma_mask               = &au1200_lcd_dmamask,
 243                 .coherent_dma_mask      = 0xffffffff,
 244         },
 245         .num_resources  = ARRAY_SIZE(au1200_lcd_resources),
 246         .resource       = au1200_lcd_resources,
 247 };
 248
 249 static u64 au1xxx_mmc_dmamask =  ~(u32)0;
 250
 251 static struct platform_device au1xxx_mmc_device = {
 252         .name = "au1xxx-mmc",
 253         .id = 0,
 254         .dev = {
 255                 .dma_mask               = &au1xxx_mmc_dmamask,
 256                 .coherent_dma_mask      = 0xffffffff,
 257         },
 258         .num_resources  = ARRAY_SIZE(au1xxx_mmc_resources),
 259         .resource       = au1xxx_mmc_resources,
 260 };
 261 #endif /* #ifdef CONFIG_SOC_AU1200 */
 262
 263 static struct platform_device au1x00_pcmcia_device = {
 264         .name           = "au1x00-pcmcia",
 265         .id             = 0,
 266 };
 267
 268 /* All Alchemy demoboards with I2C have this #define in their headers */
 269 #ifdef SMBUS_PSC_BASE
 270 static struct resource pbdb_smbus_resources[] = {
 271         {
 272                 .start  = CPHYSADDR(SMBUS_PSC_BASE),
 273                 .end    = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff),
 274                 .flags  = IORESOURCE_MEM,
 275         },
 276 };
 277
 278 static struct platform_device pbdb_smbus_device = {
 279         .name           = "au1xpsc_smbus",
 280         .id             = 0,    /* bus number */
 281         .num_resources  = ARRAY_SIZE(pbdb_smbus_resources),
 282         .resource       = pbdb_smbus_resources,
 283 };
 284 #endif
 285
 286 static struct platform_device *au1xxx_platform_devices[] __initdata = {
 287         &au1xx0_uart_device,
 288         &au1xxx_usb_ohci_device,
 289         &au1x00_pcmcia_device,
 290 #ifdef CONFIG_FB_AU1100
 291         &au1100_lcd_device,
 292 #endif
 293 #ifdef CONFIG_SOC_AU1200
 294         &au1xxx_usb_ehci_device,
 295         &au1xxx_usb_gdt_device,
 296         &au1xxx_usb_otg_device,
 297         &au1200_lcd_device,
 298         &au1xxx_mmc_device,
 299 #endif
 300 #ifdef SMBUS_PSC_BASE
 301         &pbdb_smbus_device,
 302 #endif
 303 };
 304
 305 static int __init au1xxx_platform_init(void)
 306 {
 307         unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
 308         int i;
 309
 310         /* Fill up uartclk. */
 311         for (i = 0; au1x00_uart_data[i].flags; i++)
 312                 au1x00_uart_data[i].uartclk = uartclk;
 313
 314         return platform_add_devices(au1xxx_platform_devices,
 315                                     ARRAY_SIZE(au1xxx_platform_devices));
 316 }
 317
 318 arch_initcall(au1xxx_platform_init);