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/*
* This file is part of the flashrom project.
*
* Copyright (C) 2009 Carl-Daniel Hailfinger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include "flash.h"
#if NEED_PCI == 1
struct pci_dev *pci_dev_find_filter(struct pci_filter filter)
{
struct pci_dev *temp;
for (temp = pacc->devices; temp; temp = temp->next)
if (pci_filter_match(&filter, temp))
return temp;
return NULL;
}
struct pci_dev *pci_dev_find_vendorclass(uint16_t vendor, uint16_t class)
{
struct pci_dev *temp;
struct pci_filter filter;
uint16_t tmp2;
pci_filter_init(NULL, &filter);
filter.vendor = vendor;
for (temp = pacc->devices; temp; temp = temp->next)
if (pci_filter_match(&filter, temp)) {
/* Read PCI class */
tmp2 = pci_read_word(temp, 0x0a);
if (tmp2 == class)
return temp;
}
return NULL;
}
struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device)
{
struct pci_dev *temp;
struct pci_filter filter;
pci_filter_init(NULL, &filter);
filter.vendor = vendor;
filter.device = device;
for (temp = pacc->devices; temp; temp = temp->next)
if (pci_filter_match(&filter, temp))
return temp;
return NULL;
}
struct pci_dev *pci_card_find(uint16_t vendor, uint16_t device,
uint16_t card_vendor, uint16_t card_device)
{
struct pci_dev *temp;
struct pci_filter filter;
pci_filter_init(NULL, &filter);
filter.vendor = vendor;
filter.device = device;
for (temp = pacc->devices; temp; temp = temp->next)
if (pci_filter_match(&filter, temp)) {
if ((card_vendor ==
pci_read_word(temp, PCI_SUBSYSTEM_VENDOR_ID))
&& (card_device ==
pci_read_word(temp, PCI_SUBSYSTEM_ID)))
return temp;
}
return NULL;
}
#endif
#if INTERNAL_SUPPORT == 1
struct superio superio = {};
void probe_superio(void)
{
superio = probe_superio_ite();
#if 0 /* Winbond SuperI/O code is not yet available. */
if (superio.vendor == SUPERIO_VENDOR_NONE)
superio = probe_superio_winbond();
#endif
}
int is_laptop;
int internal_init(void)
{
int ret = 0;
get_io_perms();
/* Initialize PCI access for flash enables */
pacc = pci_alloc(); /* Get the pci_access structure */
/* Set all options you want -- here we stick with the defaults */
pci_init(pacc); /* Initialize the PCI library */
pci_scan_bus(pacc); /* We want to get the list of devices */
/* We look at the lbtable first to see if we need a
* mainboard specific flash enable sequence.
*/
coreboot_init();
dmi_init();
/* Probe for the SuperI/O chip and fill global struct superio. */
probe_superio();
/* Warn if a laptop is detected */
if (is_laptop)
printf("========================================================================\n"
"WARNING! You seem to be running flashrom on a laptop.\n"
"Laptops, notebooks and netbooks are difficult to support and we recommend\n"
"to use the vendor flashing utility. The embedded controller (EC) in these\n"
"machines often interacts badly with flashing\n"
"See http://www.flashrom.org/Laptops\n"
"========================================================================\n");
/* try to enable it. Failure IS an option, since not all motherboards
* really need this to be done, etc., etc.
*/
ret = chipset_flash_enable();
if (ret == -2) {
printf("WARNING: No chipset found. Flash detection "
"will most likely fail.\n");
}
board_flash_enable(lb_vendor, lb_part);
/* Even if chipset init returns an error code, we don't want to abort.
* The error code might have been a warning only.
* Besides that, we don't check the board enable return code either.
*/
return 0;
}
int internal_shutdown(void)
{
release_io_perms();
return 0;
}
#endif
void internal_chip_writeb(uint8_t val, chipaddr addr)
{
mmio_writeb(val, (void *) addr);
}
void internal_chip_writew(uint16_t val, chipaddr addr)
{
mmio_writew(val, (void *) addr);
}
void internal_chip_writel(uint32_t val, chipaddr addr)
{
mmio_writel(val, (void *) addr);
}
uint8_t internal_chip_readb(const chipaddr addr)
{
return mmio_readb((void *) addr);
}
uint16_t internal_chip_readw(const chipaddr addr)
{
return mmio_readw((void *) addr);
}
uint32_t internal_chip_readl(const chipaddr addr)
{
return mmio_readl((void *) addr);
}
void internal_chip_readn(uint8_t *buf, const chipaddr addr, size_t len)
{
memcpy(buf, (void *)addr, len);
return;
}
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