vendorcode: google: chromeos: Remove old fmap.c file
This file became obsolete when FMAP code moved to src/lib/ and is no longer built by any Makefile. Let's remove it to avoid confusing people. Change-Id: I55639af28f9f3d4c4cb0429b805e3f120ecc374e Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/12753 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)
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Julius Werner
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fdaf9cca36
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74babffccb
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@ -1,153 +0,0 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2012 The ChromiumOS Authors. All rights reserved.
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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 <stdint.h>
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#include <stddef.h>
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#include <string.h>
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#include <console/console.h>
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#include <cbfs.h>
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#include "fmap.h"
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static int is_fmap_signature_valid(const struct fmap *fmap)
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{
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const char reversed_sig[] = FMAP_REVERSED_SIGNATURE;
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const char *p2 = reversed_sig + sizeof(FMAP_REVERSED_SIGNATURE) - 2;
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const char *p1 = (char *)fmap;
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while (p2 >= reversed_sig)
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if (*p1++ != *p2--) {
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printk(BIOS_ERR, "No FMAP found at %p.\n", fmap);
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return 1;
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}
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printk(BIOS_DEBUG, "FMAP: Found \"%s\" version %d.%d at %p.\n",
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fmap->name, fmap->ver_major, fmap->ver_minor, fmap);
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printk(BIOS_DEBUG, "FMAP: base = %llx size = %x #areas = %d\n",
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(unsigned long long)fmap->base, fmap->size, fmap->nareas);
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return 0;
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}
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/* Find FMAP data structure in ROM.
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* See http://code.google.com/p/flashmap/ for more information on FMAP.
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*/
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const struct fmap *fmap_find(void)
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{
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/* FIXME: Get rid of the hard codes. The "easy" way would be to
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* do a binary search, but since ROM accesses are slow, we don't
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* want to spend a lot of time looking for the FMAP. An elegant
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* solution would be to store a pointer to the FMAP in the CBFS
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* master header; that would require some more changes to cbfstool
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* and possibly cros_bundle_firmware.
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*/
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const struct fmap *fmap;
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struct cbfs_media media;
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size_t size;
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if (init_default_cbfs_media(&media)) {
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printk(BIOS_ERR, "failed to init default cbfs media\n");
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return NULL;
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}
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media.open(&media);
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fmap = media.map(&media, CONFIG_FLASHMAP_OFFSET, sizeof(*fmap));
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if (fmap == CBFS_MEDIA_INVALID_MAP_ADDRESS) {
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printk(BIOS_ERR, "failed to map FMAP header\n");
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media.close(&media);
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return NULL;
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}
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if (is_fmap_signature_valid(fmap)) {
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media.unmap(&media, fmap);
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media.close(&media);
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return NULL;
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}
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size = sizeof(*fmap) + sizeof(struct fmap_area) * fmap->nareas;
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media.unmap(&media, fmap);
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fmap = media.map(&media, CONFIG_FLASHMAP_OFFSET, size);
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if (fmap == CBFS_MEDIA_INVALID_MAP_ADDRESS) {
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printk(BIOS_ERR, "failed to map FMAP (size=%zu)\n", size);
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media.unmap(&media, fmap);
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media.close(&media);
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return NULL;
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}
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media.close(&media);
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return fmap;
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}
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const struct fmap_area *find_fmap_area(const struct fmap *fmap,
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const char name[])
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{
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const struct fmap_area *area = NULL;
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if (fmap) {
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int i;
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for (i = 0; i < fmap->nareas; i++) {
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if (!strcmp((const char *)fmap->areas[i].name, name)) {
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area = &fmap->areas[i];
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break;
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}
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}
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}
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if (area) {
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printk(BIOS_DEBUG, "FMAP: area %s found\n", name);
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printk(BIOS_DEBUG, "FMAP: offset: %x\n", area->offset);
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printk(BIOS_DEBUG, "FMAP: size: %d bytes\n", area->size);
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} else {
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printk(BIOS_DEBUG, "FMAP: area %s not found\n", name);
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}
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return area;
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}
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int find_fmap_entry(const char name[], void **pointer)
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{
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MAYBE_STATIC const struct fmap *fmap = NULL;
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const struct fmap_area *area;
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void *base = NULL;
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if (!fmap)
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fmap = fmap_find();
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area = find_fmap_area(fmap, name);
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if (!area)
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return -1;
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/* Right now cros_bundle_firmware does not write a valid
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* base address into the FMAP. Hence, if base is 0, assume
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* 4GB-8MB as base address.
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*/
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if (fmap->base) {
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base = (void *)(unsigned long)fmap->base;
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printk(BIOS_DEBUG, "FMAP: %s base at %p\n", name, base);
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} else {
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#if CONFIG_ARCH_X86
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base = (void *)(0 - CONFIG_ROM_SIZE);
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printk(BIOS_WARNING, "FMAP: No valid base address, using"
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" 0x%p\n", base);
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#endif
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}
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*pointer = (void*) ((uintptr_t)base + area->offset);
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printk(BIOS_DEBUG, "FMAP: %s at %p (offset %x)\n",
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name, *pointer, area->offset);
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return area->size;
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}
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