target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-usb-ehci.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
   7  */
   8
   9 #include <linux/init.h>
  10 #include <linux/kernel.h>
  11 #include <linux/platform_device.h>
  12 #include <bcm63xx_cpu.h>
  13 #include <bcm63xx_dev_usb_ehci.h>
  14
  15 static struct resource ehci_resources[] = {
  16         {
  17                 .start          = -1, /* filled at runtime */
  18                 .end            = -1, /* filled at runtime */
  19                 .flags          = IORESOURCE_MEM,
  20         },
  21         {
  22                 .start          = -1, /* filled at runtime */
  23                 .flags          = IORESOURCE_IRQ,
  24         },
  25 };
  26
  27 static u64 ehci_dmamask = ~(u32)0;
  28
  29 static struct platform_device bcm63xx_ehci_device = {
  30         .name           = "bcm63xx_ehci",
  31         .id             = 0,
  32         .num_resources  = ARRAY_SIZE(ehci_resources),
  33         .resource       = ehci_resources,
  34         .dev            = {
  35                 .dma_mask               = &ehci_dmamask,
  36                 .coherent_dma_mask      = 0xffffffff,
  37         },
  38 };
  39
  40 int __init bcm63xx_ehci_register(void)
  41 {
  42         if (!BCMCPU_IS_6358())
  43                 return 0;
  44
  45         ehci_resources[0].start = bcm63xx_regset_address(RSET_EHCI0);
  46         ehci_resources[0].end = ehci_resources[0].start;
  47         ehci_resources[0].end += RSET_EHCI_SIZE - 1;
  48         ehci_resources[1].start = bcm63xx_get_irq_number(IRQ_EHCI0);
  49         return platform_device_register(&bcm63xx_ehci_device);
  50 }