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500856eb RJ |
1 | /* |
2 | * (C) Copyright 2007 Semihalf | |
3 | * | |
4 | * Written by: Rafal Jaworowski <[email protected]> | |
5 | * | |
1a459660 | 6 | * SPDX-License-Identifier: GPL-2.0+ |
500856eb RJ |
7 | * |
8 | * This file contains routines that fetch data from PowerPC-dependent sources | |
9 | * (bd_info etc.) | |
500856eb RJ |
10 | */ |
11 | ||
12 | #include <config.h> | |
500856eb RJ |
13 | #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 | ||
21 | DECLARE_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 | */ | |
28 | int platform_sys_info(struct sys_info *si) | |
29 | { | |
30 | si->clk_bus = gd->bus_clk; | |
31 | si->clk_cpu = gd->cpu_clk; | |
32 | ||
907208c4 | 33 | #if defined(CONFIG_8xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx) |
500856eb | 34 | #define bi_bar bi_immr_base |
0f898604 | 35 | #elif defined(CONFIG_MPC83xx) |
500856eb | 36 | #define bi_bar bi_immrbar |
500856eb RJ |
37 | #endif |
38 | ||
39 | #if defined(bi_bar) | |
40 | si->bar = gd->bd->bi_bar; | |
41 | #undef bi_bar | |
42 | #else | |
12c6670f | 43 | si->bar = 0; |
500856eb RJ |
44 | #endif |
45 | ||
46 | platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM); | |
47 | platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH); | |
48 | platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM); | |
49 | ||
50 | return 1; | |
51 | } |