arch/arm/mach-imx/lluart.c

   1 /*
   2  * Copyright 2011 Freescale Semiconductor, Inc.
   3  * Copyright 2011 Linaro Ltd.
   4  *
   5  * The code contained herein is licensed under the GNU General Public
   6  * License. You may obtain a copy of the GNU General Public License
   7  * Version 2 or later at the following locations:
   8  *
   9  * http://www.opensource.org/licenses/gpl-license.html
  10  * http://www.gnu.org/copyleft/gpl.html
  11  */
  12
  13 #include <linux/init.h>
  14 #include <asm/page.h>
  15 #include <asm/sizes.h>
  16 #include <asm/mach/map.h>
  17 #include <mach/hardware.h>
  18
  19 static struct map_desc imx_lluart_desc = {
  20 #ifdef CONFIG_DEBUG_IMX6Q_UART
  21         .virtual        = MX6Q_IO_P2V(MX6Q_UART4_BASE_ADDR),
  22         .pfn            = __phys_to_pfn(MX6Q_UART4_BASE_ADDR),
  23         .length         = MX6Q_UART4_SIZE,
  24         .type           = MT_DEVICE,
  25 #endif
  26 };
  27
  28 void __init imx_lluart_map_io(void)
  29 {
  30         if (imx_lluart_desc.virtual)
  31                 iotable_init(&imx_lluart_desc, 1);
  32 }