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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
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2 | /* |
3 | * (C) Copyright 2007 Semihalf | |
4 | * | |
5 | * Written by: Rafal Jaworowski <[email protected]> | |
6 | * | |
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7 | * This file contains routines that fetch data from PowerPC-dependent sources |
8 | * (bd_info etc.) | |
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9 | */ |
10 | ||
11 | #include <config.h> | |
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12 | #include <linux/types.h> |
13 | #include <api_public.h> | |
14 | ||
15 | #include <asm/u-boot.h> | |
16 | #include <asm/global_data.h> | |
17 | ||
18 | #include "api_private.h" | |
19 | ||
20 | DECLARE_GLOBAL_DATA_PTR; | |
21 | ||
22 | /* | |
23 | * Important notice: handling of individual fields MUST be kept in sync with | |
24 | * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes | |
25 | * need to reflect their current state and layout of structures involved! | |
26 | */ | |
27 | int platform_sys_info(struct sys_info *si) | |
28 | { | |
29 | si->clk_bus = gd->bus_clk; | |
30 | si->clk_cpu = gd->cpu_clk; | |
31 | ||
ee1e600c | 32 | #if defined(CONFIG_MPC8xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx) |
500856eb | 33 | #define bi_bar bi_immr_base |
0f898604 | 34 | #elif defined(CONFIG_MPC83xx) |
500856eb | 35 | #define bi_bar bi_immrbar |
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36 | #endif |
37 | ||
38 | #if defined(bi_bar) | |
39 | si->bar = gd->bd->bi_bar; | |
40 | #undef bi_bar | |
41 | #else | |
12c6670f | 42 | si->bar = 0; |
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43 | #endif |
44 | ||
45 | platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM); | |
46 | platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH); | |
47 | platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM); | |
48 | ||
49 | return 1; | |
50 | } |