mirror of
https://review.coreboot.org/flashrom.git
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89edf36c17
This is mostly a leftover of Niklas' "remove exit call from pcidev_init" patch. While not explicitly necessary detecting errors early is usually a good idea. Corresponding to flashrom svn r1718. Signed-off-by: Niklas Söderlund <niso@kth.se> Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if defined(__i386__) || defined(__x86_64__)
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#include <stdlib.h>
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#include <string.h>
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#include "flash.h"
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#include "programmer.h"
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#include "hwaccess.h"
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#define BIOS_ROM_ADDR 0x90
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#define BIOS_ROM_DATA 0x94
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#define REG_FLASH_ACCESS 0x58
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#define PCI_VENDOR_ID_HPT 0x1103
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const struct dev_entry ata_hpt[] = {
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{0x1103, 0x0004, NT, "Highpoint", "HPT366/368/370/370A/372/372N"},
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{0x1103, 0x0005, NT, "Highpoint", "HPT372A/372N"},
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{0x1103, 0x0006, NT, "Highpoint", "HPT302/302N"},
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{0},
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};
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static void atahpt_chip_writeb(const struct flashctx *flash, uint8_t val,
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chipaddr addr);
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static uint8_t atahpt_chip_readb(const struct flashctx *flash,
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const chipaddr addr);
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static const struct par_programmer par_programmer_atahpt = {
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.chip_readb = atahpt_chip_readb,
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.chip_readw = fallback_chip_readw,
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.chip_readl = fallback_chip_readl,
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.chip_readn = fallback_chip_readn,
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.chip_writeb = atahpt_chip_writeb,
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.chip_writew = fallback_chip_writew,
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.chip_writel = fallback_chip_writel,
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.chip_writen = fallback_chip_writen,
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};
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int atahpt_init(void)
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{
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struct pci_dev *dev = NULL;
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uint32_t reg32;
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if (rget_io_perms())
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return 1;
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dev = pcidev_init(ata_hpt, PCI_BASE_ADDRESS_4);
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if (!dev)
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return 1;
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io_base_addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_4);
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if (!io_base_addr)
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return 1;
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/* Enable flash access. */
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reg32 = pci_read_long(dev, REG_FLASH_ACCESS);
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reg32 |= (1 << 24);
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rpci_write_long(dev, REG_FLASH_ACCESS, reg32);
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register_par_programmer(&par_programmer_atahpt, BUS_PARALLEL);
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return 0;
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}
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static void atahpt_chip_writeb(const struct flashctx *flash, uint8_t val,
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chipaddr addr)
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{
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OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR);
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OUTB(val, io_base_addr + BIOS_ROM_DATA);
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}
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static uint8_t atahpt_chip_readb(const struct flashctx *flash,
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const chipaddr addr)
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{
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OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR);
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return INB(io_base_addr + BIOS_ROM_DATA);
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}
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#else
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#error PCI port I/O access is not supported on this architecture yet.
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#endif
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