1*a47a12beSStefan Roese /* 2*a47a12beSStefan Roese * (C) Copyright 2007 Semihalf 3*a47a12beSStefan Roese * 4*a47a12beSStefan Roese * Written by: Rafal Jaworowski <raj@semihalf.com> 5*a47a12beSStefan Roese * 6*a47a12beSStefan Roese * See file CREDITS for list of people who contributed to this 7*a47a12beSStefan Roese * project. 8*a47a12beSStefan Roese * 9*a47a12beSStefan Roese * This program is free software; you can redistribute it and/or 10*a47a12beSStefan Roese * modify it under the terms of the GNU General Public License as 11*a47a12beSStefan Roese * published by the Free Software Foundation; either version 2 of 12*a47a12beSStefan Roese * the License, or (at your option) any later version. 13*a47a12beSStefan Roese * 14*a47a12beSStefan Roese * This program is distributed in the hope that it will be useful, 15*a47a12beSStefan Roese * but WITHOUT ANY WARRANTY; without even the implied warranty of 16*a47a12beSStefan Roese * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17*a47a12beSStefan Roese * GNU General Public License for more details. 18*a47a12beSStefan Roese * 19*a47a12beSStefan Roese * You should have received a copy of the GNU General Public License 20*a47a12beSStefan Roese * along with this program; if not, write to the Free Software 21*a47a12beSStefan Roese * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 22*a47a12beSStefan Roese * MA 02111-1307 USA 23*a47a12beSStefan Roese * 24*a47a12beSStefan Roese * 25*a47a12beSStefan Roese * This file contains routines that fetch data from PowerPC-dependent sources 26*a47a12beSStefan Roese * (bd_info etc.) 27*a47a12beSStefan Roese * 28*a47a12beSStefan Roese */ 29*a47a12beSStefan Roese 30*a47a12beSStefan Roese #include <config.h> 31*a47a12beSStefan Roese #include <linux/types.h> 32*a47a12beSStefan Roese #include <api_public.h> 33*a47a12beSStefan Roese 34*a47a12beSStefan Roese #include <asm/u-boot.h> 35*a47a12beSStefan Roese #include <asm/global_data.h> 36*a47a12beSStefan Roese 37*a47a12beSStefan Roese #include "api_private.h" 38*a47a12beSStefan Roese 39*a47a12beSStefan Roese DECLARE_GLOBAL_DATA_PTR; 40*a47a12beSStefan Roese 41*a47a12beSStefan Roese /* 42*a47a12beSStefan Roese * Important notice: handling of individual fields MUST be kept in sync with 43*a47a12beSStefan Roese * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes 44*a47a12beSStefan Roese * need to reflect their current state and layout of structures involved! 45*a47a12beSStefan Roese */ 46*a47a12beSStefan Roese int platform_sys_info(struct sys_info *si) 47*a47a12beSStefan Roese { 48*a47a12beSStefan Roese si->clk_bus = gd->bus_clk; 49*a47a12beSStefan Roese si->clk_cpu = gd->cpu_clk; 50*a47a12beSStefan Roese 51*a47a12beSStefan Roese #if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) || \ 52*a47a12beSStefan Roese defined(CONFIG_E500) || defined(CONFIG_MPC86xx) 53*a47a12beSStefan Roese #define bi_bar bi_immr_base 54*a47a12beSStefan Roese #elif defined(CONFIG_MPC5xxx) 55*a47a12beSStefan Roese #define bi_bar bi_mbar_base 56*a47a12beSStefan Roese #elif defined(CONFIG_MPC83xx) 57*a47a12beSStefan Roese #define bi_bar bi_immrbar 58*a47a12beSStefan Roese #elif defined(CONFIG_MPC8220) 59*a47a12beSStefan Roese #define bi_bar bi_mbar_base 60*a47a12beSStefan Roese #endif 61*a47a12beSStefan Roese 62*a47a12beSStefan Roese #if defined(bi_bar) 63*a47a12beSStefan Roese si->bar = gd->bd->bi_bar; 64*a47a12beSStefan Roese #undef bi_bar 65*a47a12beSStefan Roese #else 66*a47a12beSStefan Roese si->bar = 0; 67*a47a12beSStefan Roese #endif 68*a47a12beSStefan Roese 69*a47a12beSStefan Roese platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM); 70*a47a12beSStefan Roese platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH); 71*a47a12beSStefan Roese platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM); 72*a47a12beSStefan Roese 73*a47a12beSStefan Roese return 1; 74*a47a12beSStefan Roese } 75