mirror of
https://github.com/fail0verflow/switch-coreboot.git
synced 2025-05-04 01:39:18 -04:00
0702469f16
pure luck (and broken code elsewhere). Needs some more fixing. Add more LDN descriptions to various Super I/Os. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2793 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/*
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* This file is part of the LinuxBIOS project.
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*
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* Copyright (C) 2006 Ronald Minnich <rminnich@gmail.com>
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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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/* Well, they really thought this through, eh? Family is 8 bits! */
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static const char *familyid[] = {
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[0xf1] = "PC8374 (Winbond/NatSemi)"
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};
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void dump_ns8374(uint16_t port)
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{
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printf("Enables: 21=%02x, 22=%02x, 23=%02x, 24=%02x, 26=%02x\n",
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regval(port, 0x21), regval(port, 0x22), regval(port, 0x23),
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regval(port, 0x24), regval(port, 0x26));
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printf("SMBUS at %02x\n", regval(port, 0x2a));
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/* Check COM1. This is all we care about at present. */
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printf("COM 1 is globally %s\n",
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regval(port, 0x26) & 8 ? "disabled" : "enabled");
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/* Select COM1. */
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regwrite(port, 0x07, 0x03);
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printf("COM 1 is locally %s\n",
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regval(port, 0x30) & 1 ? "enabled" : "disabled");
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printf
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("COM1 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n",
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regval(port, 0x60), regval(port, 0x61), regval(port, 0x70),
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regval(port, 0x71), regval(port, 0x74), regval(port, 0x75),
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regval(port, 0xf0));
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/* Select GPIO. */
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regwrite(port, 0x07, 0x07);
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printf("GPIO is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled");
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printf
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("GPIO 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n",
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regval(port, 0x60), regval(port, 0x61), regval(port, 0x70),
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regval(port, 0x71), regval(port, 0x74), regval(port, 0x75),
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regval(port, 0xf0));
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}
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void probe_idregs_simple(uint16_t port)
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{
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uint16_t id;
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outb(0x20, port);
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if (inb(port) != 0x20) {
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no_superio_found(port);
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/* TODO: Exit config mode? */
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return;
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}
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id = inb(port + 1);
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printf("Super I/O found at 0x%02x: id = 0x%02x\n", port, id);
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if (id == 0xff)
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return;
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if (familyid[id])
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printf("%s\n", familyid[id]);
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else
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printf("<unknown>\n");
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switch (id) {
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case 0xf1:
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dump_ns8374(port);
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break;
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default:
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printf("No dump for 0x%02x\n", id);
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break;
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}
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}
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