a73b93157f
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
/*
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* This file is part of the superiotool project.
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*
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* Copyright (C) 2009 Carl-Daniel Hailfinger
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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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#include "superiotool.h"
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#define DEVICE_ID_VT82C686_REG 0xe0
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#define DEVICE_REV_VT82C686_REG 0xe1
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static const struct superio_registers reg_table[] = {
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{0x3c, "VT82C686A/VT82C686B", {
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{EOT}}},
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{EOT}
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};
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static uint8_t vt82c686_conf = 0;
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static int enter_conf_mode_via_vt82c686(void)
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{
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struct pci_dev *dev;
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dev = pci_dev_find(0x1106, 0x0686);
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if (!dev) {
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if (verbose)
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printf(" PCI device 1106:0686 not found.\n");
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return 1;
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}
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vt82c686_conf = pci_read_byte(dev, 0x85);
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if (verbose)
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printf(" Super I/O %sabled, Super I/O configuration %sabled\n",
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(vt82c686_conf & (1 << 0)) ? "en" : "dis",
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(vt82c686_conf & (1 << 1)) ? "en" : "dis");
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/* If the Super I/O is not enabled, skip it. */
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if (!(vt82c686_conf & (1 << 0)))
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return 1;
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/* Enable Super I/O configuration mode. */
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pci_write_byte(dev, 0x85, vt82c686_conf | (1 << 1));
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return 0;
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}
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static void exit_conf_mode_via_vt82c686(void)
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{
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struct pci_dev *dev;
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dev = pci_dev_find(0x1106, 0x0686);
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if (!dev) {
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printf("Bug: PCI device 1106:0686 not found during shutdown.\n"
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"Please report to coreboot@coreboot.org.\n");
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return;
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}
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/* Restore (disable?) Super I/O configuration mode setting. */
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pci_write_byte(dev, 0x85, vt82c686_conf);
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}
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void probe_idregs_via(uint16_t port)
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{
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uint16_t id;
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uint8_t rev;
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probing_for("VIA", "", port);
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if (enter_conf_mode_via_vt82c686())
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return;
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id = regval(port, DEVICE_ID_VT82C686_REG);
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rev = regval(port, DEVICE_REV_VT82C686_REG);
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if (superio_unknown(reg_table, id)) {
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if (verbose)
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printf(NOTFOUND "id=0x%04x, rev=0x%02x\n", id, rev);
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exit_conf_mode_via_vt82c686();
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return;
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}
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printf("Found VIA %s (id=0x%04x, rev=0x%02x) at 0x%x\n",
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get_superio_name(reg_table, id), id, rev, port);
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chip_found = 1;
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exit_conf_mode_via_vt82c686();
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}
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void print_via_chips(void)
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{
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print_vendor_chips("VIA", reg_table);
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}
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