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_8xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx) 34 #define bi_bar bi_immr_base 35 #elif defined(CONFIG_MPC83xx) 36 #define bi_bar bi_immrbar 37 #endif 38 39 #if defined(bi_bar) 40 si->bar = gd->bd->bi_bar; 41 #undef bi_bar 42 #else 43 si->bar = 0; 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 } 52