blob: 620e894607cfc9f9579c541e49fe9280cb6c0c50 [file] [log] [blame]
/*
* This file is part of the flashrom project.
*
* Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.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.
*/
#if defined(__i386__) || defined(__x86_64__)
#include <stdlib.h>
#include <string.h>
#include "flash.h"
#include "programmer.h"
#include "hwaccess.h"
#define BIOS_ROM_ADDR 0x90
#define BIOS_ROM_DATA 0x94
#define REG_FLASH_ACCESS 0x58
#define PCI_VENDOR_ID_HPT 0x1103
static uint32_t io_base_addr = 0;
const struct dev_entry ata_hpt[] = {
{0x1103, 0x0004, NT, "Highpoint", "HPT366/368/370/370A/372/372N"},
{0x1103, 0x0005, NT, "Highpoint", "HPT372A/372N"},
{0x1103, 0x0006, NT, "Highpoint", "HPT302/302N"},
{0},
};
static void atahpt_chip_writeb(const struct flashctx *flash, uint8_t val,
chipaddr addr);
static uint8_t atahpt_chip_readb(const struct flashctx *flash,
const chipaddr addr);
static const struct par_master par_master_atahpt = {
.chip_readb = atahpt_chip_readb,
.chip_readw = fallback_chip_readw,
.chip_readl = fallback_chip_readl,
.chip_readn = fallback_chip_readn,
.chip_writeb = atahpt_chip_writeb,
.chip_writew = fallback_chip_writew,
.chip_writel = fallback_chip_writel,
.chip_writen = fallback_chip_writen,
};
int atahpt_init(void)
{
struct pci_dev *dev = NULL;
uint32_t reg32;
if (rget_io_perms())
return 1;
dev = pcidev_init(ata_hpt, PCI_BASE_ADDRESS_4);
if (!dev)
return 1;
io_base_addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_4);
if (!io_base_addr)
return 1;
/* Enable flash access. */
reg32 = pci_read_long(dev, REG_FLASH_ACCESS);
reg32 |= (1 << 24);
rpci_write_long(dev, REG_FLASH_ACCESS, reg32);
register_par_master(&par_master_atahpt, BUS_PARALLEL, NULL);
return 0;
}
static void atahpt_chip_writeb(const struct flashctx *flash, uint8_t val,
chipaddr addr)
{
OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR);
OUTB(val, io_base_addr + BIOS_ROM_DATA);
}
static uint8_t atahpt_chip_readb(const struct flashctx *flash,
const chipaddr addr)
{
OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR);
return INB(io_base_addr + BIOS_ROM_DATA);
}
#else
#error PCI port I/O access is not supported on this architecture yet.
#endif