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

   1 /*
   2  * Copyright (C) 2009   Henk Vergonet <Henk.Vergonet@gmail.com>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18 #include <linux/init.h>
  19 #include <linux/kernel.h>
  20 #include <linux/platform_device.h>
  21 #include <bcm63xx_cpu.h>
  22
  23 static struct resource udc_resources[] = {
  24         {
  25                 .start          = -1, /* filled at runtime */
  26                 .end            = -1, /* filled at runtime */
  27                 .flags          = IORESOURCE_MEM,
  28         },
  29         {
  30                 .start          = -1, /* filled at runtime */
  31                 .flags          = IORESOURCE_IRQ,
  32         },
  33 };
  34
  35 static u64 udc_dmamask = ~(u32)0;
  36
  37 static struct platform_device bcm63xx_udc_device = {
  38         .name           = "bcm63xx-udc",
  39         .id             = 0,
  40         .num_resources  = ARRAY_SIZE(udc_resources),
  41         .resource       = udc_resources,
  42         .dev            = {
  43                 .dma_mask               = &udc_dmamask,
  44                 .coherent_dma_mask      = 0xffffffff,
  45         },
  46 };
  47
  48 int __init bcm63xx_udc_register(void)
  49 {
  50         if (!BCMCPU_IS_6338() && !BCMCPU_IS_6348())
  51                 return 0;
  52
  53         udc_resources[0].start = bcm63xx_regset_address(RSET_UDC0);
  54         udc_resources[0].end = udc_resources[0].start;
  55         udc_resources[0].end += RSET_UDC_SIZE - 1;
  56         udc_resources[1].start = bcm63xx_get_irq_number(IRQ_UDC0);
  57         return platform_device_register(&bcm63xx_udc_device);
  58 }