blob: ee98f9e0e71eaa6ef9956c48ef2c2a5fb90ef47e [file] [log] [blame]
/*
* 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 "lib/eeprom.h"
#include "lib/smbios.h"
#include "drivers/intel/series6.h"
#include "drivers/intel/nm10.h"
#include "stout.h"
/* set up EEPROM's MMIO location */
static int stout_firmware_mmio_setup(struct platform_intf *intf,
struct eeprom *eeprom)
{
unsigned long int rom_size = 0, rom_base = 0;
if (!eeprom->device || !eeprom->device->size)
return -1;
rom_size = eeprom->device->size(intf);
rom_base = 0xffffffff - rom_size + 1;
lprintf(LOG_DEBUG, "%s: rom_base: 0x%08lx, rom_size: 0x%08lx\n",
__func__, rom_base, rom_size);
eeprom->addr.mmio = rom_base;
return 0;
}
static int stout_firmware_read(struct platform_intf *intf,
struct eeprom *eeprom,
unsigned int offset,
unsigned int len,
void *data,
enum ich_snb_bbs bbs)
{
uint8_t *buf = data;
enum ich_snb_bbs bbs_orig;
bbs_orig = series6_get_bbs(intf);
/* set chipset to direct TOLM firmware region I/Os to SPI */
if (series6_set_bbs(intf, bbs) < 0) {
lprintf(LOG_DEBUG, "%s: cannot set bbs\n", __func__);
return -1;
}
if (eeprom_mmio_read(intf, eeprom, offset, len, buf) < 0) {
lprintf(LOG_DEBUG, "%s: failed to read device\n", __func__);
return -1;
}
/* restore original BBS value */
series6_set_bbs(intf, bbs_orig);
return 0;
}
static int stout_host_firmware_size(struct platform_intf *intf)
{
/*
* FIXME: use libflashrom for this. SMBIOS won't work because it
* reports the actual BIOS rather than the ROM size which includes
* ME/GbE/etc.
*/
return STOUT_HOST_FIRMWARE_ROM_SIZE;
}
static int stout_host_firmware_read(struct platform_intf *intf,
struct eeprom *eeprom,
unsigned int offset,
unsigned int len,
void *data)
{
return stout_firmware_read(intf, eeprom, offset,
len, data, ICH_SNB_BBS_SPI);
}
static struct eeprom_dev stout_host_firmware = {
.size = stout_host_firmware_size,
.read = stout_host_firmware_read,
.get_map = eeprom_get_fmap,
};
static struct eeprom stout_eeproms[] = {
{
.name = "host_firmware",
.type = EEPROM_TYPE_FW,
.flags = EEPROM_FLAG_RDWR,
.device = &stout_host_firmware,
.setup = stout_firmware_mmio_setup,
},
{ 0 },
};
int stout_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 stout_eeprom_cb = {
.eeprom_list = stout_eeproms,
};