arch/powerpc/cpu/mpc8xxx/fsl_lbc.c

   1 /*
   2  * Copyright 2010 Freescale Semiconductor, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * Version 2 as published by the Free Software Foundation.
   7  */
   8
   9 #include <common.h>
  10 #include <asm/fsl_lbc.h>
  11
  12 void print_lbc_regs(void)
  13 {
  14         int i;
  15
  16         printf("\nLocal Bus Controller Registers\n");
  17         for (i = 0; i < 8; i++) {
  18                 printf("BR%d\t0x%08X\tOR%d\t0x%08X\n",
  19                        i, get_lbc_br(i), i, get_lbc_or(i));
  20         }
  21 }
  22
  23 void init_early_memctl_regs(void)
  24 {
  25         uint init_br1 = 1;
  26
  27 #ifdef CONFIG_MPC85xx
  28         /* if cs1 is already set via debugger, leave cs0/cs1 alone */
  29         if (get_lbc_br(1) & BR_V)
  30                 init_br1 = 0;
  31 #endif
  32
  33         /*
  34          * Map banks 0 (and maybe 1) to the FLASH banks 0 (and 1) at
  35          * preliminary addresses - these have to be modified later
  36          * when FLASH size has been determined
  37          */
  38 #if defined(CONFIG_SYS_OR0_REMAP)
  39         set_lbc_or(0, CONFIG_SYS_OR0_REMAP);
  40 #endif
  41 #if defined(CONFIG_SYS_OR1_REMAP)
  42         set_lbc_or(1, CONFIG_SYS_OR1_REMAP);
  43 #endif
  44         /* now restrict to preliminary range */
  45         if (init_br1) {
  46                 set_lbc_br(0, CONFIG_SYS_BR0_PRELIM);
  47                 set_lbc_or(0, CONFIG_SYS_OR0_PRELIM);
  48
  49 #if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM)
  50                 set_lbc_or(1, CONFIG_SYS_OR1_PRELIM);
  51                 set_lbc_br(1, CONFIG_SYS_BR1_PRELIM);
  52 #endif
  53         }
  54
  55 #if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM)
  56         set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
  57         set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
  58 #endif
  59
  60 #if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM)
  61         set_lbc_or(3, CONFIG_SYS_OR3_PRELIM);
  62         set_lbc_br(3, CONFIG_SYS_BR3_PRELIM);
  63 #endif
  64
  65 #if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM)
  66         set_lbc_or(4, CONFIG_SYS_OR4_PRELIM);
  67         set_lbc_br(4, CONFIG_SYS_BR4_PRELIM);
  68 #endif
  69
  70 #if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM)
  71         set_lbc_or(5, CONFIG_SYS_OR5_PRELIM);
  72         set_lbc_br(5, CONFIG_SYS_BR5_PRELIM);
  73 #endif
  74
  75 #if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM)
  76         set_lbc_or(6, CONFIG_SYS_OR6_PRELIM);
  77         set_lbc_br(6, CONFIG_SYS_BR6_PRELIM);
  78 #endif
  79
  80 #if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM)
  81         set_lbc_or(7, CONFIG_SYS_OR7_PRELIM);
  82         set_lbc_br(7, CONFIG_SYS_BR7_PRELIM);
  83 #endif
  84 }