52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
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* This file is part of the libpayload project.
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*
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* Copyright (C) 2014 Imagination Technologies
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <libpayload-config.h>
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#include <libpayload.h>
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#include <coreboot_tables.h>
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/* This pointer gets set in head.S and is passed in from coreboot. */
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void *cb_header_ptr;
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static void cb_parse_dma(void *ptr)
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{
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struct lb_range *dma = (struct lb_range *)ptr;
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init_dma_memory(bus_to_virt(dma->range_start), dma->range_size);
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}
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/* Architecture specific */
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int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info)
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{
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switch (rec->tag) {
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case CB_TAG_DMA:
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cb_parse_dma(rec);
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break;
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default:
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return 0;
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}
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return 1;
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}
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int get_coreboot_info(struct sysinfo_t *info)
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{
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return cb_parse_header(cb_header_ptr, 1, info);
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}
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void *get_cb_header_ptr(void)
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{
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return cb_header_ptr;
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}
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