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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 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02006 * SPDX-License-Identifier: GPL-2.0+
Rafal Jaworowski500856e2008-01-09 19:39:36 +01007 *
8 * This file contains routines that fetch data from PowerPC-dependent sources
9 * (bd_info etc.)
Rafal Jaworowski500856e2008-01-09 19:39:36 +010010 */
11
12#include <config.h>
Rafal Jaworowski500856e2008-01-09 19:39:36 +010013#include <linux/types.h>
14#include <api_public.h>
15
16#include <asm/u-boot.h>
17#include <asm/global_data.h>
18
19#include "api_private.h"
20
21DECLARE_GLOBAL_DATA_PTR;
22
23/*
24 * Important notice: handling of individual fields MUST be kept in sync with
25 * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes
26 * need to reflect their current state and layout of structures involved!
27 */
28int platform_sys_info(struct sys_info *si)
29{
30 si->clk_bus = gd->bus_clk;
31 si->clk_cpu = gd->cpu_clk;
32
33#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) || \
34 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
35#define bi_bar bi_immr_base
36#elif defined(CONFIG_MPC5xxx)
37#define bi_bar bi_mbar_base
Peter Tyser0f898602009-05-22 17:23:24 -050038#elif defined(CONFIG_MPC83xx)
Rafal Jaworowski500856e2008-01-09 19:39:36 +010039#define bi_bar bi_immrbar
Rafal Jaworowski500856e2008-01-09 19:39:36 +010040#endif
41
42#if defined(bi_bar)
43 si->bar = gd->bd->bi_bar;
44#undef bi_bar
45#else
Matthias Fuchs12c66702008-10-04 19:26:16 +020046 si->bar = 0;
Rafal Jaworowski500856e2008-01-09 19:39:36 +010047#endif
48
49 platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM);
50 platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH);
51 platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM);
52
53 return 1;
54}