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/*
* This file is part of the flashrom project.
*
* Copyright (C) 2009 Joerg Fischer <turboj@gmx.de>
*
* 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
*/
#if defined(__i386__) || defined(__x86_64__)
#include <stdlib.h>
#include "flash.h"
#include "programmer.h"
#include "hwaccess.h"
#define PCI_VENDOR_ID_REALTEK 0x10ec
#define PCI_VENDOR_ID_SMC1211 0x1113
#define BIOS_ROM_ADDR 0xD4
#define BIOS_ROM_DATA 0xD7
const struct pcidev_status nics_realtek[] = {
{0x10ec, 0x8139, OK, "Realtek", "RTL8139/8139C/8139C+"},
{0x1113, 0x1211, OK, "SMC2", "1211TX"}, /* RTL8139 clone */
{},
};
static void nicrealtek_chip_writeb(const struct flashctx *flash, uint8_t val,
chipaddr addr);
static uint8_t nicrealtek_chip_readb(const struct flashctx *flash,
const chipaddr addr);
static const struct par_programmer par_programmer_nicrealtek = {
.chip_readb = nicrealtek_chip_readb,
.chip_readw = fallback_chip_readw,
.chip_readl = fallback_chip_readl,
.chip_readn = fallback_chip_readn,
.chip_writeb = nicrealtek_chip_writeb,
.chip_writew = fallback_chip_writew,
.chip_writel = fallback_chip_writel,
.chip_writen = fallback_chip_writen,
};
static int nicrealtek_shutdown(void *data)
{
/* FIXME: We forgot to disable software access again. */
pci_cleanup(pacc);
return 0;
}
int nicrealtek_init(void)
{
if (rget_io_perms())
return 1;
io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, nics_realtek);
if (register_shutdown(nicrealtek_shutdown, NULL))
return 1;
register_par_programmer(&par_programmer_nicrealtek, BUS_PARALLEL);
return 0;
}
static void nicrealtek_chip_writeb(const struct flashctx *flash, uint8_t val,
chipaddr addr)
{
/* Output addr and data, set WE to 0, set OE to 1, set CS to 0,
* enable software access.
*/
OUTL(((uint32_t)addr & 0x01FFFF) | 0x0A0000 | (val << 24),
io_base_addr + BIOS_ROM_ADDR);
/* Output addr and data, set WE to 1, set OE to 1, set CS to 1,
* enable software access.
*/
OUTL(((uint32_t)addr & 0x01FFFF) | 0x1E0000 | (val << 24),
io_base_addr + BIOS_ROM_ADDR);
}
static uint8_t nicrealtek_chip_readb(const struct flashctx *flash,
const chipaddr addr)
{
uint8_t val;
/* FIXME: Can we skip reading the old data and simply use 0? */
/* Read old data. */
val = INB(io_base_addr + BIOS_ROM_DATA);
/* Output new addr and old data, set WE to 1, set OE to 0, set CS to 0,
* enable software access.
*/
OUTL(((uint32_t)addr & 0x01FFFF) | 0x060000 | (val << 24),
io_base_addr + BIOS_ROM_ADDR);
/* Read new data. */
val = INB(io_base_addr + BIOS_ROM_DATA);
/* Output addr and new data, set WE to 1, set OE to 1, set CS to 1,
* enable software access.
*/
OUTL(((uint32_t)addr & 0x01FFFF) | 0x1E0000 | (val << 24),
io_base_addr + BIOS_ROM_ADDR);
return val;
}
#else
#error PCI port I/O access is not supported on this architecture yet.
#endif
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