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/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 32 #if defined(CONFIG_MPC8xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx) 33 #define bi_bar bi_immr_base 34 #elif defined(CONFIG_MPC83xx) 35 #define bi_bar bi_immrbar 36 #endif 37 38 #if defined(bi_bar) 39 si->bar = gd->bd->bi_bar; 40 #undef bi_bar 41 #else 42 si->bar = 0; 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 } 51