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/*
* This file is part of the libpayload project.
*
* Copyright (C) 2014 Imagination Technologies
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <libpayload-config.h>
#include <libpayload.h>
#include <coreboot_tables.h>
/* This pointer gets set in head.S and is passed in from coreboot. */
void *cb_header_ptr;
static void cb_parse_dma(void *ptr)
{
struct lb_range *dma = (struct lb_range *)ptr;
init_dma_memory(bus_to_virt(dma->range_start), dma->range_size);
}
/* Architecture specific */
int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info)
{
switch (rec->tag) {
case CB_TAG_DMA:
cb_parse_dma(rec);
break;
default:
return 0;
}
return 1;
}
int get_coreboot_info(struct sysinfo_t *info)
{
return cb_parse_header(cb_header_ptr, 1, info);
}
void *get_cb_header_ptr(void)
{
return cb_header_ptr;
}
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