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"Das U-Boot" Source Tree
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2007 Semihalf
4 *
5 * Written by: Rafal Jaworowski <raj@semihalf.com>
6 *
7 * This file contains routines that fetch data from PowerPC-dependent sources
8 * (bd_info etc.)
9 */
10
11#include <config.h>
12#include <linux/types.h>
13#include <api_public.h>
14
15#include <asm/global_data.h>
16
17#include "api_private.h"
18
19DECLARE_GLOBAL_DATA_PTR;
20
21/*
22 * Important notice: handling of individual fields MUST be kept in sync with
23 * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes
24 * need to reflect their current state and layout of structures involved!
25 */
26int platform_sys_info(struct sys_info *si)
27{
28 si->clk_bus = gd->bus_clk;
29 si->clk_cpu = gd->cpu_clk;
30
31#if defined(CONFIG_MPC8xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
32#define bi_bar bi_immr_base
33#elif defined(CONFIG_MPC83xx)
34#define bi_bar bi_immrbar
35#endif
36
37#if defined(bi_bar)
38 si->bar = gd->bd->bi_bar;
39#undef bi_bar
40#else
41 si->bar = 0;
42#endif
43
44 platform_set_mr(si, gd->ram_base, gd->ram_size, MR_ATTR_DRAM);
45 platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH);
46
47 return 1;
48}