| /* |
| * 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 <stdio.h> |
| #include <unistd.h> |
| |
| #include <fmap.h> |
| |
| #include "mosys/alloc.h" |
| #include "mosys/platform.h" |
| #include "mosys/log.h" |
| |
| #include "drivers/google/cros_ec.h" |
| #include "drivers/google/cros_ec_commands.h" |
| |
| #include "lib/eeprom.h" |
| #include "lib/flashrom.h" |
| |
| #include "daisy.h" |
| |
| #define DAISY_HOST_FIRMWARE_ROM_SIZE (4096 * 1024) |
| |
| static int daisy_host_firmware_size(struct platform_intf *intf) |
| { |
| return DAISY_HOST_FIRMWARE_ROM_SIZE; |
| } |
| |
| static int daisy_host_firmware_read(struct platform_intf *intf, |
| struct eeprom *eeprom, |
| unsigned int offset, |
| unsigned int len, |
| void *data) |
| { |
| uint8_t *buf; |
| size_t rom_size; |
| |
| rom_size = eeprom->device->size(intf); |
| buf = mosys_malloc(rom_size); |
| |
| if (flashrom_read(buf, rom_size, INTERNAL_BUS_SPI, NULL) < 0) |
| return -1; |
| |
| lprintf(LOG_DEBUG, "done\n"); |
| memcpy(data, &buf[offset], len); |
| free(buf); |
| return 0; |
| } |
| |
| static struct eeprom_dev daisy_host_firmware = { |
| .size = daisy_host_firmware_size, |
| .read = daisy_host_firmware_read, |
| .get_map = eeprom_get_fmap, |
| }; |
| |
| static int daisy_ec_firmware_read(struct platform_intf *intf, |
| struct eeprom *eeprom, |
| unsigned int offset, |
| unsigned int len, |
| void *data) |
| { |
| uint8_t *buf; |
| size_t rom_size; |
| |
| rom_size = eeprom->device->size(intf); |
| buf = mosys_malloc(rom_size); |
| |
| if (flashrom_read(buf, rom_size, INTERNAL_BUS_I2C, NULL) < 0) |
| return -1; |
| |
| lprintf(LOG_DEBUG, "done\n"); |
| memcpy(data, &buf[offset], len); |
| free(buf); |
| return 0; |
| } |
| |
| static struct eeprom_dev daisy_ec_firmware = { |
| .size = cros_ec_get_firmware_rom_size, |
| .read = daisy_ec_firmware_read, |
| .get_map = eeprom_get_fmap, |
| }; |
| |
| static struct eeprom daisy_eeproms[] = { |
| { |
| .name = "host_firmware", |
| .type = EEPROM_TYPE_FW, |
| .flags = EEPROM_FLAG_RDWR, |
| .device = &daisy_host_firmware, |
| }, |
| { |
| .name = "ec_firmware", |
| .type = EEPROM_TYPE_FW, |
| .flags = EEPROM_FLAG_RDWR, |
| .device = &daisy_ec_firmware, |
| }, |
| { 0 }, |
| }; |
| |
| int daisy_eeprom_setup(struct platform_intf *intf) |
| { |
| struct eeprom *eeprom; |
| int rc = 0; |
| |
| for (eeprom = intf->cb->eeprom->eeprom_list; |
| eeprom && eeprom->name; |
| eeprom++) { |
| if (eeprom->setup) |
| rc |= eeprom->setup(intf, eeprom); |
| } |
| |
| return rc; |
| } |
| |
| struct eeprom_cb daisy_eeprom_cb = { |
| .eeprom_list = daisy_eeproms, |
| }; |