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kernel/linux-imx6_3.14.28/arch/mips/mti-sead3/sead3-serial.c 1.16 KB
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  /*
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
   */
  #include <linux/module.h>
  #include <linux/init.h>
  #include <linux/serial_8250.h>
  
  #define UART(base, int)							\
  {									\
  	.mapbase	= base,						\
  	.irq		= int,						\
  	.uartclk	= 14745600,					\
  	.iotype		= UPIO_MEM32,					\
  	.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, \
  	.regshift	= 2,						\
  }
  
  static struct plat_serial8250_port uart8250_data[] = {
  	UART(0x1f000900, MIPS_CPU_IRQ_BASE + 4),   /* ttyS0 = USB   */
  	UART(0x1f000800, MIPS_CPU_IRQ_BASE + 4),   /* ttyS1 = RS232 */
  	{ },
  };
  
  static struct platform_device uart8250_device = {
  	.name			= "serial8250",
  	.id			= PLAT8250_DEV_PLATFORM,
  	.dev			= {
  		.platform_data	= uart8250_data,
  	},
  };
  
  static int __init uart8250_init(void)
  {
  	return platform_device_register(&uart8250_device);
  }
  
  module_init(uart8250_init);
  
  MODULE_AUTHOR("Chris Dearman <chris@mips.com>");
  MODULE_LICENSE("GPL");
  MODULE_DESCRIPTION("8250 UART probe driver for the SEAD-3 platform");