9f5ad9b6d9
Use bus_to_virt() to convert the physical address of the DMA coherent region to an address in KSEG1 which is suitable for device memory accesses. BUG=chrome-os-partner:36258 BRANCH=none TEST=Build and boot on Pistachio. Change-Id: If382feda66f6d829f8b3548ab263cf603cab2e9b Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: a88a175f6d6db81d3154fb5dd31a44363ab94653 Original-Change-Id: I9ad6435495df2c71d8f81a782f1c3dfcfd4aeb28 Original-Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/246696 Original-Reviewed-by: Ionela Voinescu <ionela.voinescu@imgtec.com> Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Original-Commit-Queue: Vadim Bendebury <vbendeb@chromium.org> Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: http://review.coreboot.org/9818 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
56 lines
1.4 KiB
C
56 lines
1.4 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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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