arch/blackfin/include/asm/mem_map.h

   1 /*
   2  * Common Blackfin memory map
   3  *
   4  * Copyright 2004-2009 Analog Devices Inc.
   5  * Licensed under the GPL-2 or later.
   6  */
   7
   8 #ifndef __BFIN_MEM_MAP_H__
   9 #define __BFIN_MEM_MAP_H__
  10
  11 #include <mach/mem_map.h>
  12
  13 /* Every Blackfin so far has MMRs like this */
  14 #ifndef COREMMR_BASE
  15 # define COREMMR_BASE 0xFFE00000
  16 #endif
  17 #ifndef SYSMMR_BASE
  18 # define SYSMMR_BASE  0xFFC00000
  19 #endif
  20
  21 /* Every Blackfin so far has on-chip Scratch Pad SRAM like this */
  22 #ifndef L1_SCRATCH_START
  23 # define L1_SCRATCH_START  0xFFB00000
  24 # define L1_SCRATCH_LENGTH 0x1000
  25 #endif
  26
  27 /* Most parts lack on-chip L2 SRAM */
  28 #ifndef L2_START
  29 # define L2_START  0
  30 # define L2_LENGTH 0
  31 #endif
  32
  33 /* Most parts lack on-chip L1 ROM */
  34 #ifndef L1_ROM_START
  35 # define L1_ROM_START  0
  36 # define L1_ROM_LENGTH 0
  37 #endif
  38
  39 /* Allow wonky SMP ports to override this */
  40 #ifndef GET_PDA_SAFE
  41 # define GET_PDA_SAFE(preg) \
  42         preg.l = _cpu_pda; \
  43         preg.h = _cpu_pda;
  44 # define GET_PDA(preg, dreg) GET_PDA_SAFE(preg)
  45
  46 # ifndef __ASSEMBLY__
  47
  48 static inline unsigned long get_l1_scratch_start_cpu(int cpu)
  49 {
  50         return L1_SCRATCH_START;
  51 }
  52 static inline unsigned long get_l1_code_start_cpu(int cpu)
  53 {
  54         return L1_CODE_START;
  55 }
  56 static inline unsigned long get_l1_data_a_start_cpu(int cpu)
  57 {
  58         return L1_DATA_A_START;
  59 }
  60 static inline unsigned long get_l1_data_b_start_cpu(int cpu)
  61 {
  62         return L1_DATA_B_START;
  63 }
  64 static inline unsigned long get_l1_scratch_start(void)
  65 {
  66         return get_l1_scratch_start_cpu(0);
  67 }
  68 static inline unsigned long get_l1_code_start(void)
  69 {
  70         return  get_l1_code_start_cpu(0);
  71 }
  72 static inline unsigned long get_l1_data_a_start(void)
  73 {
  74         return get_l1_data_a_start_cpu(0);
  75 }
  76 static inline unsigned long get_l1_data_b_start(void)
  77 {
  78         return get_l1_data_b_start_cpu(0);
  79 }
  80
  81 # endif /* __ASSEMBLY__ */
  82 #endif /* !GET_PDA_SAFE */
  83
  84 #endif