board/freescale/mpc7448hpc2/mpc7448hpc2.c

   1 /*
   2  * (C) Copyright 2005 Freescale Semiconductor, Inc.
   3  *
   4  * Roy Zang <tie-fei.zang@freescale.com>
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  *
  24  * modifications for the Tsi108 Emul Board by avb@Tundra
  25  */
  26
  27 /*
  28  * board support/init functions for the
  29  * Freescale MPC7448 HPC2 (High-Performance Computing 2 Platform).
  30  */
  31
  32 #include <common.h>
  33 #include <74xx_7xx.h>
  34 #if defined(CONFIG_OF_FLAT_TREE)
  35 #include <ft_build.h>
  36 extern void ft_cpu_setup (void *blob, bd_t *bd);
  37 #endif
  38
  39 #undef  DEBUG
  40
  41 DECLARE_GLOBAL_DATA_PTR;
  42
  43 extern void flush_data_cache (void);
  44 extern void invalidate_l1_instruction_cache (void);
  45 extern void tsi108_init_f (void);
  46
  47 int display_mem_map (void);
  48
  49 void after_reloc (ulong dest_addr)
  50 {
  51         /*
  52          * Jump to the main U-Boot board init code
  53          */
  54         board_init_r ((gd_t *) gd, dest_addr);
  55         /* NOTREACHED */
  56 }
  57
  58 /*
  59  * Check Board Identity:
  60  * report board type
  61  */
  62
  63 int checkboard (void)
  64 {
  65         int l_type = 0;
  66
  67         printf ("BOARD: %s\n", CFG_BOARD_NAME);
  68         return (l_type);
  69 }
  70
  71 /*
  72  * Read Processor ID:
  73  *
  74  * report calling processor number
  75  */
  76
  77 int read_pid (void)
  78 {
  79         return 0;               /* we are on single CPU platform for a while */
  80 }
  81
  82 long int dram_size (int board_type)
  83 {
  84         return 0x20000000;      /* 256M bytes */
  85 }
  86
  87 long int initdram (int board_type)
  88 {
  89         return dram_size (board_type);
  90 }
  91
  92 #if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
  93 void
  94 ft_board_setup (void *blob, bd_t *bd)
  95 {
  96         u32 *p;
  97         int len;
  98
  99         ft_cpu_setup (blob, bd);
 100
 101         p = ft_get_prop (blob, "/memory/reg", &len);
 102         if (p != NULL) {
 103                 *p++ = cpu_to_be32 (bd->bi_memstart);
 104                 *p = cpu_to_be32 (bd->bi_memsize);
 105         }
 106 }
 107 #endif