1162f25a49
* PMBASE dumping now knows the registers. * Add support for i965, i975, ICH8M * Add support for Darwin OS using DirectIO Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3794 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
206 lines
5.6 KiB
C
206 lines
5.6 KiB
C
/*
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* inteltool - dump all registers on an Intel CPU + chipset based system.
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*
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* Copyright (C) 2008 by coresystems GmbH
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* written by Stefan Reinauer <stepan@coresystems.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; version 2 of the License.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include "inteltool.h"
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static const io_register_t ich7_pm_registers[] = {
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{ 0x00, 2, "PM1_STS" },
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{ 0x02, 2, "PM1_EN" },
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{ 0x04, 4, "PM1_CNT" },
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{ 0x08, 4, "PM1_TMR" },
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{ 0x0c, 4, "RESERVED" },
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{ 0x10, 4, "PROC_CNT" },
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#if DANGEROUS_REGISTERS
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/* These registers return 0 on read, but reading them may cause
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* the system to enter C2/C3/C4 state, which might hang the system.
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*/
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{ 0x14, 1, "LV2 (Mobile/Ultra Mobile)" },
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{ 0x15, 1, "LV3 (Mobile/Ultra Mobile)" },
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{ 0x16, 1, "LV4 (Mobile/Ultra Mobile)" },
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#endif
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{ 0x17, 1, "RESERVED" },
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{ 0x18, 4, "RESERVED" },
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{ 0x1c, 4, "RESERVED" },
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{ 0x20, 1, "PM2_CNT (Mobile/Ultra Mobile)" },
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{ 0x21, 1, "RESERVED" },
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{ 0x22, 2, "RESERVED" },
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{ 0x24, 4, "RESERVED" },
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{ 0x28, 4, "GPE0_STS" },
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{ 0x2C, 4, "GPE0_EN" },
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{ 0x30, 4, "SMI_EN" },
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{ 0x34, 4, "SMI_STS" },
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{ 0x38, 2, "ALT_GP_SMI_EN" },
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{ 0x3a, 2, "ALT_GP_SMI_STS" },
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{ 0x3c, 4, "RESERVED" },
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{ 0x40, 2, "RESERVED" },
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{ 0x42, 1, "GPE_CNTL" },
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{ 0x43, 1, "RESERVED" },
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{ 0x44, 2, "DEVACT_STS" },
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{ 0x46, 2, "RESERVED" },
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{ 0x48, 4, "RESERVED" },
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{ 0x4c, 4, "RESERVED" },
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{ 0x50, 1, "SS_CNT (Mobile/Ultra Mobile)" },
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{ 0x51, 1, "RESERVED" },
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{ 0x52, 2, "RESERVED" },
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{ 0x54, 4, "C3_RES (Mobile/Ultra Mobile)" },
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{ 0x58, 4, "RESERVED" },
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{ 0x5c, 4, "RESERVED" },
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/* Here start the TCO registers */
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{ 0x60, 2, "TCO_RLD" },
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{ 0x62, 1, "TCO_DAT_IN" },
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{ 0x63, 1, "TCO_DAT_OUT" },
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{ 0x64, 2, "TCO1_STS" },
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{ 0x66, 2, "TCO2_STS" },
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{ 0x68, 2, "TCO1_CNT" },
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{ 0x6a, 2, "TCO2_CNT" },
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{ 0x6c, 2, "TCO_MESSAGE" },
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{ 0x6e, 1, "TCO_WDCNT" },
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{ 0x6f, 1, "RESERVED" },
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{ 0x70, 1, "SW_IRQ_GEN" },
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{ 0x71, 1, "RESERVED" },
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{ 0x72, 2, "TCO_TMR" },
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{ 0x74, 4, "RESERVED" },
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{ 0x78, 4, "RESERVED" },
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{ 0x7c, 4, "RESERVED" },
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};
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static const io_register_t ich8_pm_registers[] = {
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{ 0x00, 2, "PM1_STS" },
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{ 0x02, 2, "PM1_EN" },
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{ 0x04, 4, "PM1_CNT" },
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{ 0x08, 4, "PM1_TMR" },
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{ 0x0c, 4, "RESERVED" },
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{ 0x10, 4, "PROC_CNT" },
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#if DANGEROUS_REGISTERS
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/* These registers return 0 on read, but reading them may cause
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* the system to enter Cx states, which might hang the system.
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*/
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{ 0x14, 1, "LV2 (Mobile)" },
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{ 0x15, 1, "LV3 (Mobile)" },
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{ 0x16, 1, "LV4 (Mobile)" },
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{ 0x17, 1, "LV5 (Mobile)" },
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{ 0x18, 1, "LV6 (Mobile)" },
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#endif
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{ 0x19, 1, "RESERVED" },
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{ 0x1a, 2, "RESERVED" },
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{ 0x1c, 4, "RESERVED" },
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{ 0x20, 1, "PM2_CNT (Mobile)" },
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{ 0x21, 1, "RESERVED" },
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{ 0x22, 2, "RESERVED" },
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{ 0x24, 4, "RESERVED" },
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{ 0x28, 4, "GPE0_STS" },
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{ 0x2C, 4, "GPE0_EN" },
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{ 0x30, 4, "SMI_EN" },
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{ 0x34, 4, "SMI_STS" },
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{ 0x38, 2, "ALT_GP_SMI_EN" },
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{ 0x3a, 2, "ALT_GP_SMI_STS" },
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{ 0x3c, 4, "RESERVED" },
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{ 0x40, 2, "RESERVED" },
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{ 0x42, 1, "GPE_CNTL" },
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{ 0x43, 1, "RESERVED" },
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{ 0x44, 2, "DEVACT_STS" },
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{ 0x46, 2, "RESERVED" },
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{ 0x48, 4, "RESERVED" },
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{ 0x4c, 4, "RESERVED" },
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{ 0x50, 1, "SS_CNT (Mobile)" },
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{ 0x51, 1, "RESERVED" },
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{ 0x52, 2, "RESERVED" },
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{ 0x54, 4, "C3_RES (Mobile)" },
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{ 0x58, 4, "C5_RES (Mobile)" },
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{ 0x5c, 4, "RESERVED" },
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/* Here start the TCO registers */
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{ 0x60, 2, "TCO_RLD" },
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{ 0x62, 1, "TCO_DAT_IN" },
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{ 0x63, 1, "TCO_DAT_OUT" },
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{ 0x64, 2, "TCO1_STS" },
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{ 0x66, 2, "TCO2_STS" },
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{ 0x68, 2, "TCO1_CNT" },
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{ 0x6a, 2, "TCO2_CNT" },
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{ 0x6c, 2, "TCO_MESSAGE" },
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{ 0x6e, 1, "TCO_WDCNT" },
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{ 0x6f, 1, "RESERVED" },
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{ 0x70, 1, "SW_IRQ_GEN" },
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{ 0x71, 1, "RESERVED" },
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{ 0x72, 2, "TCO_TMR" },
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{ 0x74, 4, "RESERVED" },
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{ 0x78, 4, "RESERVED" },
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{ 0x7c, 4, "RESERVED" },
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};
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int print_pmbase(struct pci_dev *sb)
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{
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int i, size;
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uint16_t pmbase;
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const io_register_t *pm_registers;
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printf("\n============= PMBASE ============\n\n");
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switch (sb->device_id) {
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case PCI_DEVICE_ID_INTEL_ICH7:
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case PCI_DEVICE_ID_INTEL_ICH7M:
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case PCI_DEVICE_ID_INTEL_ICH7DH:
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case PCI_DEVICE_ID_INTEL_ICH7MDH:
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pmbase = pci_read_word(sb, 0x40) & 0xfffc;
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pm_registers = ich7_pm_registers;
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size = ARRAY_SIZE(ich7_pm_registers);
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break;
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case PCI_DEVICE_ID_INTEL_ICH8M:
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pmbase = pci_read_word(sb, 0x40) & 0xfffc;
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pm_registers = ich8_pm_registers;
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size = ARRAY_SIZE(ich8_pm_registers);
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break;
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case 0x1234: // Dummy for non-existent functionality
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printf("This southbridge does not have PMBASE.\n");
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return 1;
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default:
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printf("Error: Dumping PMBASE on this southbridge is not (yet) supported.\n");
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return 1;
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}
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printf("PMBASE = 0x%04x (IO)\n\n", pmbase);
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for (i = 0; i < size; i++) {
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switch (pm_registers[i].size) {
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case 4:
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printf("pmbase+0x%04x: 0x%08x (%s)\n",
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pm_registers[i].addr,
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inl(pmbase+pm_registers[i].addr),
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pm_registers[i].name);
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break;
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case 2:
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printf("pmbase+0x%04x: 0x%04x (%s)\n",
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pm_registers[i].addr,
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inw(pmbase+pm_registers[i].addr),
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pm_registers[i].name);
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break;
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case 1:
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printf("pmbase+0x%04x: 0x%02x (%s)\n",
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pm_registers[i].addr,
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inb(pmbase+pm_registers[i].addr),
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pm_registers[i].name);
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break;
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}
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}
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return 0;
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}
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