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inteltool: Add support for Skylake PMC 

Change-Id: Ia80f5269476ee1c70dcb157ba3ed5a861611ec7c
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/19592
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Nico Huber 2017-04-24 16:18:29 +02:00 committed by Martin Roth
parent d5960c4674
commit 9fa8ebe1a4
1 changed files with 65 additions and 2 deletions
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67
util/inteltool/powermgt.c
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@ -3,6 +3,7 @@
* *
* Copyright (C) 2008-2010 by coresystems GmbH * Copyright (C) 2008-2010 by coresystems GmbH
* written by Stefan Reinauer <stepan@coresystems.de> * written by Stefan Reinauer <stepan@coresystems.de>
* Copyright (C) 2017 secunet Security Networks AG
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -15,8 +16,32 @@
*/ */
#include <stdio.h> #include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <commonlib/helpers.h>
#include "inteltool.h" #include "inteltool.h"
static const io_register_t sunrise_pm_registers[] = {
{ 0x00, 2, "PM1_STS" }, /* PM1 Status; ACPI pointer: PM1a_EVT_BLK */
{ 0x02, 2, "PM1_EN" }, /* PM1 Enables; ACPI pointer: PM1a_EVT_BLK+2 */
{ 0x04, 4, "PM1_CNT" }, /* PM1 Control; ACPI pointer: PM1a_CNT_BLK */
{ 0x08, 4, "PM1_TMR" }, /* PM1 Timer; ACPI pointer: PMTMR_BLK */
{ 0x30, 4, "SMI_EN" },
{ 0x34, 4, "SMI_STS" },
{ 0x40, 4, "GPE_CNTL" },
{ 0x44, 2, "DEVACT_STS" }, /* Device Activity Status */
{ 0x50, 4, "PM2_CNT" }, /* PM2 Control; ACPI pointer: PM2a_CNT_BLK */
{ 0x54, 4, "OC_WDT_CTL" }, /* Overclocking WDT Control */
{ 0x80, 4, "GPE0_STS_31_0" },
{ 0x84, 4, "GPE0_STS_63_31" },
{ 0x88, 4, "GPE0_STS_95_64" },
{ 0x8c, 4, "GPE0_STS_127_96" },
{ 0x90, 4, "GPE0_EN_31_0" },
{ 0x94, 4, "GPE0_EN_63_31" },
{ 0x98, 4, "GPE0_EN_95_64" },
{ 0x9c, 4, "GPE0_EN_127_96" },
};
static const io_register_t pch_pm_registers[] = { static const io_register_t pch_pm_registers[] = {
{ 0x00, 2, "PM1_STS" }, // PM1 Status; ACPI pointer: PM1a_EVT_BLK { 0x00, 2, "PM1_STS" }, // PM1 Status; ACPI pointer: PM1a_EVT_BLK
{ 0x02, 2, "PM1_EN" }, // PM1 Enables; ACPI pointer: PM1a_EVT_BLK+2 { 0x02, 2, "PM1_EN" }, // PM1 Enables; ACPI pointer: PM1a_EVT_BLK+2
@ -644,12 +669,13 @@ static const io_register_t i63xx_pm_registers[] = {
int print_pmbase(struct pci_dev *sb, struct pci_access *pacc) int print_pmbase(struct pci_dev *sb, struct pci_access *pacc)
{ {
int i, size; size_t i, size;
uint16_t pmbase; uint16_t pmbase;
const io_register_t *pm_registers; const io_register_t *pm_registers;
uint64_t pwrmbase_phys = 0;
struct pci_dev *acpi; struct pci_dev *acpi;
printf("\n============= PMBASE ============\n\n"); printf("\n========== PMBASE/ABASE =========\n\n");
switch (sb->device_id) { switch (sb->device_id) {
case PCI_DEVICE_ID_INTEL_3400: case PCI_DEVICE_ID_INTEL_3400:
@ -772,6 +798,8 @@ int print_pmbase(struct pci_dev *sb, struct pci_access *pacc)
return 1; return 1;
} }
pmbase = pci_read_word(acpi, 0x40) & 0xfffc; pmbase = pci_read_word(acpi, 0x40) & 0xfffc;
pci_free_dev(acpi);
pm_registers = i82371xx_pm_registers; pm_registers = i82371xx_pm_registers;
size = ARRAY_SIZE(i82371xx_pm_registers); size = ARRAY_SIZE(i82371xx_pm_registers);
break; break;
@ -782,6 +810,20 @@ int print_pmbase(struct pci_dev *sb, struct pci_access *pacc)
size = ARRAY_SIZE(i63xx_pm_registers); size = ARRAY_SIZE(i63xx_pm_registers);
break; break;
case PCI_DEVICE_ID_INTEL_CM236:
acpi = pci_get_dev(pacc, sb->domain, sb->bus, sb->dev, 2);
if (!acpi) {
printf("PMC device not found.\n");
return 1;
}
pmbase = pci_read_word(acpi, 0x40) & ~0xff;
pwrmbase_phys = pci_read_long(acpi, 0x48) & ~0xfff;
pci_free_dev(acpi);
pm_registers = sunrise_pm_registers;
size = ARRAY_SIZE(sunrise_pm_registers);
break;
case 0x1234: // Dummy for non-existent functionality case 0x1234: // Dummy for non-existent functionality
printf("This southbridge does not have PMBASE.\n"); printf("This southbridge does not have PMBASE.\n");
return 1; return 1;
@ -823,5 +865,26 @@ int print_pmbase(struct pci_dev *sb, struct pci_access *pacc)
} }
} }
if (pwrmbase_phys) {
const size_t pwrmbase_size = 4 * KiB;
volatile const u8 *const pwrmbase =
map_physical(pwrmbase_phys, pwrmbase_size);
if (!pwrmbase) {
perror("Error mapping PWRMBASE");
exit(1);
}
printf("\n=========== PWRMBASE ===========\n\n");
printf("PWRMBASE = 0x%08" PRIx64 " (MEM)\n\n", pwrmbase_phys);
for (i = 0; i < pwrmbase_size; i += 4) {
if (*(uint32_t *)(pwrmbase + i))
printf("0x%04zx: 0x%08"PRIx32"\n",
i, *(uint32_t *)(pwrmbase + i));
}
unmap_physical((void *)pwrmbase, pwrmbase_size);
}
return 0; return 0;
} }