Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the libpayload project. |
| 3 | * |
| 4 | * Copyright (C) 2008 Advanced Micro Devices, Inc. |
| 5 | * Copyright (C) 2009 coresystems GmbH |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. The name of the author may not be used to endorse or promote products |
| 16 | * derived from this software without specific prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 24 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 26 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 28 | * SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include <libpayload-config.h> |
| 32 | #include <libpayload.h> |
| 33 | #include <coreboot_tables.h> |
| 34 | |
Gabe Black | c09cf0b | 2014-02-08 06:30:49 -0800 | [diff] [blame] | 35 | /* This pointer gets set in head.S and is passed in from coreboot. */ |
| 36 | void *cb_header_ptr; |
| 37 | |
Vadim Bendebury | 864ec8c | 2014-07-31 21:02:57 -0700 | [diff] [blame] | 38 | static void cb_parse_dma(void *ptr) |
Julius Werner | b8fad3d | 2013-08-27 15:48:32 -0700 | [diff] [blame] | 39 | { |
Isaac Christensen | 3efc52f | 2014-08-14 12:23:24 -0600 | [diff] [blame] | 40 | struct lb_range *dma = (struct lb_range *)ptr; |
Julius Werner | b8fad3d | 2013-08-27 15:48:32 -0700 | [diff] [blame] | 41 | init_dma_memory(phys_to_virt(dma->range_start), dma->range_size); |
| 42 | } |
| 43 | |
Vadim Bendebury | 864ec8c | 2014-07-31 21:02:57 -0700 | [diff] [blame] | 44 | int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info) |
Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 45 | { |
Vadim Bendebury | 864ec8c | 2014-07-31 21:02:57 -0700 | [diff] [blame] | 46 | switch(rec->tag) { |
| 47 | case CB_TAG_DMA: |
| 48 | cb_parse_dma(rec); |
| 49 | break; |
| 50 | default: |
Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 51 | return 0; |
Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 52 | } |
Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 53 | return 1; |
| 54 | } |
| 55 | |
| 56 | /* == Architecture specific == */ |
| 57 | /* FIXME put in actual address range */ |
| 58 | |
| 59 | int get_coreboot_info(struct sysinfo_t *info) |
| 60 | { |
Vadim Bendebury | 864ec8c | 2014-07-31 21:02:57 -0700 | [diff] [blame] | 61 | return cb_parse_header(cb_header_ptr, 1, info); |
Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 62 | } |