2 * Copyright (c) 2011 The Chromium OS Authors.
3 * (C) Copyright 2010,2011
4 * Graeme Russ, <graeme.russ@gmail.com>
6 * See file CREDITS for list of people who contributed to this
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.
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.
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,
28 #include <asm/u-boot-x86.h>
29 #include <asm/global_data.h>
30 #include <asm/arch-coreboot/sysinfo.h>
31 #include <asm/arch-coreboot/tables.h>
33 DECLARE_GLOBAL_DATA_PTR;
35 unsigned install_e820_map(unsigned max_entries, struct e820entry *entries)
39 unsigned num_entries = min(lib_sysinfo.n_memranges, max_entries);
40 if (num_entries < lib_sysinfo.n_memranges) {
41 printf("Warning: Limiting e820 map to %d entries.\n",
44 for (i = 0; i < num_entries; i++) {
45 struct memrange *memrange = &lib_sysinfo.memrange[i];
47 entries[i].addr = memrange->base;
48 entries[i].size = memrange->size;
49 entries[i].type = memrange->type;
57 phys_size_t ram_size = 0;
59 for (i = 0; i < lib_sysinfo.n_memranges; i++) {
60 struct memrange *memrange = &lib_sysinfo.memrange[i];
61 unsigned long long end = memrange->base + memrange->size;
63 if (memrange->type == CB_MEM_RAM && end > ram_size)
66 gd->ram_size = ram_size;