1 /* 2 * (C) Copyright 2007 Semihalf 3 * 4 * Written by: Rafal Jaworowski <raj@semihalf.com> 5 * 6 * See file CREDITS for list of people who contributed to this 7 * project. 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of 12 * the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 22 * MA 02111-1307 USA 23 * 24 * 25 * This file contains routines that fetch data from PowerPC-dependent sources 26 * (bd_info etc.) 27 * 28 */ 29 30 #include <config.h> 31 #include <linux/types.h> 32 #include <api_public.h> 33 34 #include <asm/u-boot.h> 35 #include <asm/global_data.h> 36 37 #include "api_private.h" 38 39 DECLARE_GLOBAL_DATA_PTR; 40 41 /* 42 * Important notice: handling of individual fields MUST be kept in sync with 43 * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes 44 * need to reflect their current state and layout of structures involved! 45 */ 46 int platform_sys_info(struct sys_info *si) 47 { 48 si->clk_bus = gd->bus_clk; 49 si->clk_cpu = gd->cpu_clk; 50 51 #if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) || \ 52 defined(CONFIG_E500) || defined(CONFIG_MPC86xx) 53 #define bi_bar bi_immr_base 54 #elif defined(CONFIG_MPC5xxx) 55 #define bi_bar bi_mbar_base 56 #elif defined(CONFIG_MPC83xx) 57 #define bi_bar bi_immrbar 58 #endif 59 60 #if defined(bi_bar) 61 si->bar = gd->bd->bi_bar; 62 #undef bi_bar 63 #else 64 si->bar = 0; 65 #endif 66 67 platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM); 68 platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH); 69 platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM); 70 71 return 1; 72 } 73