| /* Copyright 2012, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <fmap.h> |
| |
| #include "mosys/alloc.h" |
| #include "mosys/log.h" |
| #include "mosys/platform.h" |
| |
| #include "intf/mmio.h" |
| |
| #include "lib/eeprom.h" |
| |
| int eeprom_mmio_read(struct platform_intf *intf, struct eeprom *eeprom, |
| unsigned int offset, unsigned int len, void *data) |
| { |
| if (offset + len > eeprom->device->size(intf, eeprom)) |
| return -1; |
| |
| return mmio_read(intf, eeprom->addr.mmio + offset, len, data); |
| } |
| |
| struct fmap *eeprom_get_fmap(struct platform_intf *intf, struct eeprom *eeprom) |
| { |
| uint8_t *buf; |
| struct fmap *fmap_embedded, *fmap; |
| int fmap_offset, fmap_size; |
| int len; |
| |
| if ((len= eeprom->device->size(intf, eeprom)) < 0) |
| return NULL; |
| |
| buf = mosys_malloc(len); |
| |
| if (eeprom->device->read(intf, eeprom, 0, (unsigned int)len, buf) < 0) { |
| lprintf(LOG_DEBUG, "%s: failed to read device\n", __func__); |
| return NULL; |
| } |
| |
| if ((fmap_offset = fmap_find(buf, len)) < 0) { |
| lprintf(LOG_DEBUG, "%s: cannot find fmap\n", __func__); |
| return NULL; |
| } |
| |
| fmap_embedded = (struct fmap *)(buf + fmap_offset); |
| fmap_size = sizeof(*fmap) + (fmap_embedded->nareas * |
| sizeof(fmap_embedded->areas[0])); |
| fmap = malloc(fmap_size); |
| memcpy(fmap, fmap_embedded, fmap_size); |
| |
| free(buf); |
| return fmap; |
| } |