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api/api_platform-ppc.c
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API for external ...
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/*
* (C) Copyright 2007 Semihalf
*
* Written by: Rafal Jaworowski <raj@semihalf.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* This file contains routines that fetch data from PowerPC-dependent sources
* (bd_info etc.)
*
*/
#include <config.h>
#if defined(CONFIG_API)
#include <linux/types.h>
#include <api_public.h>
#include <asm/u-boot.h>
#include <asm/global_data.h>
#include "api_private.h"
DECLARE_GLOBAL_DATA_PTR;
/*
* Important notice: handling of individual fields MUST be kept in sync with
* include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes
* need to reflect their current state and layout of structures involved!
*/
int platform_sys_info(struct sys_info *si)
{
si->clk_bus = gd->bus_clk;
si->clk_cpu = gd->cpu_clk;
#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) || \
defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
#define bi_bar bi_immr_base
#elif defined(CONFIG_MPC5xxx)
#define bi_bar bi_mbar_base
#elif defined(CONFIG_MPC83XX)
#define bi_bar bi_immrbar
#elif defined(CONFIG_MPC8220)
#define bi_bar bi_mbar_base
#endif
#if defined(bi_bar)
si->bar = gd->bd->bi_bar;
#undef bi_bar
#else
si->bar = NULL;
#endif
platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM);
platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH);
platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM);
return 1;
}
#endif /* CONFIG_API */
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