LXR uboot/api/api_platform-powerpc.c

   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
  20DECLARE_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 */
  27int 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->ram_base, gd->ram_size, 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