LXR uboot/api/api_platform-ppc.c

   1/*
   2 * (C) Copyright 2007 Semihalf
   3 *
   4 * Written by: Rafal Jaworowski <raj@semihalf.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 *
  25 * This file contains routines that fetch data from PowerPC-dependent sources
  26 * (bd_info etc.)
  27 *
  28 */
  29
  30#include <config.h>
  31
  32#if defined(CONFIG_API)
  33
  34#include <linux/types.h>
  35#include <api_public.h>
  36
  37#include <asm/u-boot.h>
  38#include <asm/global_data.h>
  39
  40#include "api_private.h"
  41
  42DECLARE_GLOBAL_DATA_PTR;
  43
  44/*
  45 * Important notice: handling of individual fields MUST be kept in sync with
  46 * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes
  47 * need to reflect their current state and layout of structures involved!
  48 */
  49int platform_sys_info(struct sys_info *si)
  50{
  51        si->clk_bus = gd->bus_clk;
  52        si->clk_cpu = gd->cpu_clk;
  53
  54#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) || \
  55    defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
  56#define bi_bar  bi_immr_base
  57#elif defined(CONFIG_MPC5xxx)
  58#define bi_bar  bi_mbar_base
  59#elif defined(CONFIG_MPC83XX)
  60#define bi_bar  bi_immrbar
  61#elif defined(CONFIG_MPC8220)
  62#define bi_bar  bi_mbar_base
  63#endif
  64
  65#if defined(bi_bar)
  66        si->bar = gd->bd->bi_bar;
  67#undef bi_bar
  68#else
  69        si->bar = 0;
  70#endif
  71
  72        platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM);
  73        platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH);
  74        platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM);
  75
  76        return 1;
  77}
  78
  79#endif /* CONFIG_API */
  80