arch/arm/mach-highbank/lluart.c

   1 /*
   2  * Copyright 2011 Calxeda, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with
  14  * this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16 #include <linux/init.h>
  17 #include <asm/page.h>
  18 #include <asm/sizes.h>
  19 #include <asm/mach/map.h>
  20
  21 #define HB_DEBUG_LL_PHYS_BASE   0xfff36000
  22 #define HB_DEBUG_LL_VIRT_BASE   0xfee36000
  23
  24 static struct map_desc lluart_io_desc __initdata = {
  25         .virtual        = HB_DEBUG_LL_VIRT_BASE,
  26         .pfn            = __phys_to_pfn(HB_DEBUG_LL_PHYS_BASE),
  27         .length         = SZ_4K,
  28         .type           = MT_DEVICE,
  29 };
  30
  31 void __init highbank_lluart_map_io(void)
  32 {
  33         iotable_init(&lluart_io_desc, 1);
  34 }