1 /* 2 * (C) Copyright 2007 Semihalf 3 * 4 * Written by: Rafal Jaworowski <raj@semihalf.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 * 8 * This file contains routines that fetch data from PowerPC-dependent sources 9 * (bd_info etc.) 10 */ 11 12 #include <config.h> 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 33 #if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || \ 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 38 #elif defined(CONFIG_MPC83xx) 39 #define bi_bar bi_immrbar 40 #endif 41 42 #if defined(bi_bar) 43 si->bar = gd->bd->bi_bar; 44 #undef bi_bar 45 #else 46 si->bar = 0; 47 #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 } 55