blob: f585653d08071901bf707566b8cf5971c6aca5bd [file] [log] [blame]
/*
* Copyright 2019, 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 "lib/eeprom.h"
#include "lib/flashrom.h"
#include "lib/smbios.h"
#include "hatch.h"
static int host_firmware_size(struct platform_intf *intf)
{
const char *smbios_name;
smbios_name = smbios_sysinfo_get_name(intf);
if (!strcmp(smbios_name, "Hatch") || !strcmp(smbios_name, "Hatch_whl"))
return HATCH_HOST_FIRMWARE_ROM_SIZE_32MB;
return HATCH_HOST_FIRMWARE_ROM_SIZE_16MB;
}
static int 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, HOST_FIRMWARE, NULL) < 0)
return -1;
memcpy(data, &buf[offset], len);
free(buf);
return 0;
}
static int host_firmware_read_by_name(struct platform_intf *intf,
struct eeprom *eeprom,
const char *name,
uint8_t **data)
{
return flashrom_read_by_name(data, HOST_FIRMWARE, name);
}
static int host_firmware_write_by_name(struct platform_intf *intf,
struct eeprom *eeprom,
const char *name,
unsigned int len,
uint8_t *data)
{
return flashrom_write_by_name(len, data, HOST_FIRMWARE, name);
}
static struct eeprom_dev host_firmware = {
.size = host_firmware_size,
.read = host_firmware_read,
.read_by_name = host_firmware_read_by_name,
.write_by_name = host_firmware_write_by_name,
.get_map = eeprom_get_fmap,
};
static struct eeprom_region host_firmware_regions[] = {
{
.name = "RW_NVRAM",
.flag = EEPROM_FLAG_VBNV,
},
{ 0 },
};
static struct eeprom eeproms[] = {
{
.name = "host_firmware",
.type = EEPROM_TYPE_FW,
.flags = EEPROM_FLAG_RDWR | EEPROM_FLAG_FMAP,
.device = &host_firmware,
.regions = &host_firmware_regions[0],
},
{ 0 },
};
struct eeprom_cb hatch_eeprom_cb = {
.eeprom_list = eeproms,
};