5ff7c13e85
Change-Id: Ib91889a374515d36a2b12b53aeb12b6ea6e22732 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/364 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
136 lines
3.1 KiB
C
136 lines
3.1 KiB
C
/*
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* This file is part of the superiotool project.
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*
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* Copyright (C) 2011 Rudolf Marek <r.marek@assembler.cz>
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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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#include "superiotool.h"
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#define DEVICE_ID_REG 0x20
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#define DEVICE_REV_REG 0x21
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static const struct superio_registers reg_table[] = {
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{0xb7, "SB7xx", {
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{NOLDN, NULL,
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{0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x28,0x29,0x2a,
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0x2b,0x2c,0x2e, 0x2f, EOT},
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{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
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{0x3, "EC channel 0",
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{0x30,0x60,0x61, EOT},
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{NANA,NANA,NANA,EOT}},
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{0x5, "Irda",
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{0x30,0x60,0x61,0x70, EOT},
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{NANA,NANA,NANA,NANA,EOT}},
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{0x7, "Keyboard Controller",
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{0x30, EOT},
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{NANA,EOT}},
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{0x9, "Mailbox",
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{0x30,0x60,0x61, EOT},
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{NANA,NANA,NANA,EOT}},
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{EOT}}},
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{0xb8, "SB8xx", {
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{NOLDN, NULL,
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{0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x28,0x29,0x2a,
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0x2b,0x2c,0x2e, 0x2f, EOT},
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{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
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{0x3, "EC channel 0",
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{0x30,0x60,0x61, EOT},
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{NANA,NANA,NANA,EOT}},
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{0x5, "Irda",
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{0x30,0x60,0x61,0x70, EOT},
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{NANA,NANA,NANA,NANA,EOT}},
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{0x7, "Keyboard Controller",
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{0x30, EOT},
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{NANA,EOT}},
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{0x9, "Mailbox",
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{0x30,0x60,0x61, EOT},
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{NANA,NANA,NANA,EOT}},
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{EOT}}},
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{EOT}
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};
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/* same as serverengines */
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static void enter_conf_mode_ec(uint16_t port)
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{
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OUTB(0x5a, port);
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}
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static void exit_conf_mode_ec(uint16_t port)
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{
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OUTB(0xa5, port);
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}
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uint16_t detect_ec(void)
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{
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uint16_t ec_port;
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struct pci_dev *dev;
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dev = pci_dev_find(0x1002, 0x439d);
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if (!dev) {
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return 0;
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}
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/* is EC disabled ? */
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if (!(pci_read_byte(dev, 0x40) & (1 << 7)))
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return 0;
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ec_port = pci_read_word(dev, 0xa4);
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if (!(ec_port & 0x1))
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return 0;
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ec_port &= ~0x1;
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return ec_port;
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}
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void probe_idregs_amd(uint16_t port)
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{
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uint8_t rev, devid;
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probing_for("AMD EC", "", port);
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if (!(port = detect_ec()))
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return;
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enter_conf_mode_ec(port);
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devid = regval(port, DEVICE_ID_REG);
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rev = regval(port, DEVICE_REV_REG);
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if (superio_unknown(reg_table, devid)) {
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if (verbose)
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printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", devid, rev);
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exit_conf_mode_ec(port);
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return;
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}
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printf("Found AMD EC %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
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get_superio_name(reg_table, devid), devid, rev, port);
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chip_found = 1;
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dump_superio("AMD EC", reg_table, port, devid, LDN_SEL);
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exit_conf_mode_ec(port);
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}
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void print_amd_chips(void)
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{
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print_vendor_chips("AMD EC", reg_table);
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}
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