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Rafal Jaworowski500856e2008-01-09 19:39:36 +01001/*
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>
Rafal Jaworowski500856e2008-01-09 19:39:36 +010031#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
Peter Tyser0f898602009-05-22 17:23:24 -050056#elif defined(CONFIG_MPC83xx)
Rafal Jaworowski500856e2008-01-09 19:39:36 +010057#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
Matthias Fuchs12c66702008-10-04 19:26:16 +020066 si->bar = 0;
Rafal Jaworowski500856e2008-01-09 19:39:36 +010067#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}