target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-uart.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_uart.h>
  14
  15 static struct resource uart_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 struct platform_device bcm63xx_uart_device = {
  28         .name           = "bcm63xx_uart",
  29         .id             = 0,
  30         .num_resources  = ARRAY_SIZE(uart_resources),
  31         .resource       = uart_resources,
  32 };
  33
  34 int __init bcm63xx_uart_register(void)
  35 {
  36         uart_resources[0].start = bcm63xx_regset_address(RSET_UART0);
  37         uart_resources[0].end = uart_resources[0].start;
  38         uart_resources[0].end += RSET_UART_SIZE - 1;
  39         uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
  40         return platform_device_register(&bcm63xx_uart_device);
  41 }