arch/arm/mach-prima2/lluart.c

   1 /*
   2  * Static memory mapping for DEBUG_LL
   3  *
   4  * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
   5  *
   6  * Licensed under GPLv2 or later.
   7  */
   8
   9 #include <linux/kernel.h>
  10 #include <asm/page.h>
  11 #include <asm/mach/map.h>
  12 #include "common.h"
  13
  14 #if defined(CONFIG_DEBUG_SIRFPRIMA2_UART1)
  15 #define SIRFSOC_UART1_PA_BASE          0xb0060000
  16 #elif defined(CONFIG_DEBUG_SIRFMARCO_UART1)
  17 #define SIRFSOC_UART1_PA_BASE          0xcc060000
  18 #else
  19 #define SIRFSOC_UART1_PA_BASE          0
  20 #endif
  21
  22 #define SIRFSOC_UART1_VA_BASE          SIRFSOC_VA(0x060000)
  23 #define SIRFSOC_UART1_SIZE              SZ_4K
  24
  25 void __init sirfsoc_map_lluart(void)
  26 {
  27         struct map_desc sirfsoc_lluart_map = {
  28                 .virtual        = SIRFSOC_UART1_VA_BASE,
  29                 .pfn            = __phys_to_pfn(SIRFSOC_UART1_PA_BASE),
  30                 .length         = SIRFSOC_UART1_SIZE,
  31                 .type           = MT_DEVICE,
  32         };
  33
  34         iotable_init(&sirfsoc_lluart_map, 1);
  35 }