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#include <linux/types.h>
  32#include <api_public.h>
  33
  34#include <asm/u-boot.h>
  35#include <asm/global_data.h>
  36
  37#include "api_private.h"
  38
  39DECLARE_GLOBAL_DATA_PTR;
  40
  41/*
  42 * Important notice: handling of individual fields MUST be kept in sync with
  43 * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes
  44 * need to reflect their current state and layout of structures involved!
  45 */
  46int platform_sys_info(struct sys_info *si)
  47{
  48        si->clk_bus = gd->bus_clk;
  49        si->clk_cpu = gd->cpu_clk;
  50
  51#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) || \
  52    defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
  53#define bi_bar  bi_immr_base
  54#elif defined(CONFIG_MPC5xxx)
  55#define bi_bar  bi_mbar_base
  56#elif defined(CONFIG_MPC83XX)
  57#define bi_bar  bi_immrbar
  58#elif defined(CONFIG_MPC8220)
  59#define bi_bar  bi_mbar_base
  60#endif
  61
  62#if defined(bi_bar)
  63        si->bar = gd->bd->bi_bar;
  64#undef bi_bar
  65#else
  66        si->bar = 0;
  67#endif
  68
  69        platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM);
  70        platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH);
  71        platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM);
  72
  73        return 1;
  74}
  75