coreboot-kgpe-d16/util/inteltool/gpio_groups.c

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/*
* inteltool - dump all registers on an Intel CPU + chipset based system.
*
* Copyright (C) 2017 secunet Security Networks AG
* Copyright (C) 2019 YADRO
*
* 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
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <stdint.h>
#include <assert.h>
#include <inttypes.h>
#include "inteltool.h"
#include "pcr.h"
#include "gpio_names/apollolake.h"
#include "gpio_names/cannonlake.h"
#include "gpio_names/icelake.h"
#include "gpio_names/lewisburg.h"
#include "gpio_names/sunrise.h"
#define SBBAR_SIZE (16 * MiB)
#define PCR_PORT_SIZE (64 * KiB)
static const char *const denverton_group_north_all_names[] = {
"NORTH_ALL_GBE0_SDP0",
"NORTH_ALL_GBE1_SDP0",
"NORTH_ALL_GBE0_SDP1",
"NORTH_ALL_GBE1_SDP1",
"NORTH_ALL_GBE0_SDP2",
"NORTH_ALL_GBE1_SDP2",
"NORTH_ALL_GBE0_SDP3",
"NORTH_ALL_GBE1_SDP3",
"NORTH_ALL_GBE2_LED0",
"NORTH_ALL_GBE2_LED1",
"NORTH_ALL_GBE0_I2C_CLK",
"NORTH_ALL_GBE0_I2C_DATA",
"NORTH_ALL_GBE1_I2C_CLK",
"NORTH_ALL_GBE1_I2C_DATA",
"NORTH_ALL_NCSI_RXD0",
"NORTH_ALL_NCSI_CLK_IN",
"NORTH_ALL_NCSI_RXD1",
"NORTH_ALL_NCSI_CRS_DV",
"NORTH_ALL_NCSI_ARB_IN",
"NORTH_ALL_NCSI_TX_EN",
"NORTH_ALL_NCSI_TXD0",
"NORTH_ALL_NCSI_TXD1",
"NORTH_ALL_NCSI_ARB_OUT",
"NORTH_ALL_GBE0_LED0",
"NORTH_ALL_GBE0_LED1",
"NORTH_ALL_GBE1_LED0",
"NORTH_ALL_GBE1_LED1",
"NORTH_ALL_GPIO_0",
"NORTH_ALL_PCIE_CLKREQ0_N",
"NORTH_ALL_PCIE_CLKREQ1_N",
"NORTH_ALL_PCIE_CLKREQ2_N",
"NORTH_ALL_PCIE_CLKREQ3_N",
"NORTH_ALL_PCIE_CLKREQ4_N",
"NORTH_ALL_GPIO_1",
"NORTH_ALL_GPIO_2",
"NORTH_ALL_SVID_ALERT_N",
"NORTH_ALL_SVID_DATA",
"NORTH_ALL_SVID_CLK",
"NORTH_ALL_THERMTRIP_N",
"NORTH_ALL_PROCHOT_N",
"NORTH_ALL_MEMHOT_N",
};
static const struct gpio_group denverton_group_north_all = {
.display = "------- GPIO Group North All -------",
.pad_count = ARRAY_SIZE(denverton_group_north_all_names) / 1,
.func_count = 1,
.pad_names = denverton_group_north_all_names,
};
static const struct gpio_group *const denverton_community_north_groups[] = {
&denverton_group_north_all,
};
static const struct gpio_community denverton_community_north = {
.name = "------- GPIO Community 0 -------",
.pcr_port_id = 0xc2,
.group_count = ARRAY_SIZE(denverton_community_north_groups),
.groups = denverton_community_north_groups,
};
static const char *const denverton_group_south_dfx_names[] = {
"SOUTH_DFX_DFX_PORT_CLK0",
"SOUTH_DFX_DFX_PORT_CLK1",
"SOUTH_DFX_DFX_PORT0",
"SOUTH_DFX_DFX_PORT1",
"SOUTH_DFX_DFX_PORT2",
"SOUTH_DFX_DFX_PORT3",
"SOUTH_DFX_DFX_PORT4",
"SOUTH_DFX_DFX_PORT5",
"SOUTH_DFX_DFX_PORT6",
"SOUTH_DFX_DFX_PORT7",
"SOUTH_DFX_DFX_PORT8",
"SOUTH_DFX_DFX_PORT9",
"SOUTH_DFX_DFX_PORT10",
"SOUTH_DFX_DFX_PORT11",
"SOUTH_DFX_DFX_PORT12",
"SOUTH_DFX_DFX_PORT13",
"SOUTH_DFX_DFX_PORT14",
"SOUTH_DFX_DFX_PORT15",
};
static const struct gpio_group denverton_group_south_dfx = {
.display = "------- GPIO Group South DFX -------",
.pad_count = ARRAY_SIZE(denverton_group_south_dfx_names) / 1,
.func_count = 1,
.pad_names = denverton_group_south_dfx_names,
};
static const char *const denverton_group_south_group0_names[] = {
"SOUTH_GROUP0_GPIO_12",
"SOUTH_GROUP0_SMB5_GBE_ALRT_N",
"SOUTH_GROUP0_PCIE_CLKREQ5_N",
"SOUTH_GROUP0_PCIE_CLKREQ6_N",
"SOUTH_GROUP0_PCIE_CLKREQ7_N",
"SOUTH_GROUP0_UART0_RXD",
"SOUTH_GROUP0_UART0_TXD",
"SOUTH_GROUP0_SMB5_GBE_CLK",
"SOUTH_GROUP0_SMB5_GBE_DATA",
"SOUTH_GROUP0_ERROR2_N",
"SOUTH_GROUP0_ERROR1_N",
"SOUTH_GROUP0_ERROR0_N",
"SOUTH_GROUP0_IERR_N",
"SOUTH_GROUP0_MCERR_N",
"SOUTH_GROUP0_SMB0_LEG_CLK",
"SOUTH_GROUP0_SMB0_LEG_DATA",
"SOUTH_GROUP0_SMB0_LEG_ALRT_N",
"SOUTH_GROUP0_SMB1_HOST_DATA",
"SOUTH_GROUP0_SMB1_HOST_CLK",
"SOUTH_GROUP0_SMB2_PECI_DATA",
"SOUTH_GROUP0_SMB2_PECI_CLK",
"SOUTH_GROUP0_SMB4_CSME0_DATA",
"SOUTH_GROUP0_SMB4_CSME0_CLK",
"SOUTH_GROUP0_SMB4_CSME0_ALRT_N",
"SOUTH_GROUP0_USB_OC0_N",
"SOUTH_GROUP0_FLEX_CLK_SE0",
"SOUTH_GROUP0_FLEX_CLK_SE1",
"SOUTH_GROUP0_GPIO_4",
"SOUTH_GROUP0_GPIO_5",
"SOUTH_GROUP0_GPIO_6",
"SOUTH_GROUP0_GPIO_7",
"SOUTH_GROUP0_SATA0_LED_N",
"SOUTH_GROUP0_SATA1_LED_N",
"SOUTH_GROUP0_SATA_PDETECT0",
"SOUTH_GROUP0_SATA_PDETECT1",
"SOUTH_GROUP0_SATA0_SDOUT",
"SOUTH_GROUP0_SATA1_SDOUT",
"SOUTH_GROUP0_UART1_RXD",
"SOUTH_GROUP0_UART1_TXD",
"SOUTH_GROUP0_GPIO_8",
"SOUTH_GROUP0_GPIO_9",
"SOUTH_GROUP0_TCK",
"SOUTH_GROUP0_TRST_N",
"SOUTH_GROUP0_TMS",
"SOUTH_GROUP0_TDI",
"SOUTH_GROUP0_TDO",
"SOUTH_GROUP0_CX_PRDY_N",
"SOUTH_GROUP0_CX_PREQ_N",
"SOUTH_GROUP0_CTBTRIGINOUT",
"SOUTH_GROUP0_CTBTRIGOUT",
"SOUTH_GROUP0_DFX_SPARE2",
"SOUTH_GROUP0_DFX_SPARE3",
"SOUTH_GROUP0_DFX_SPARE4",
};
static const struct gpio_group denverton_group_south_group0 = {
.display = "------- GPIO Group South Group0 -------",
.pad_count = ARRAY_SIZE(denverton_group_south_group0_names) / 1,
.func_count = 1,
.pad_names = denverton_group_south_group0_names,
};
static const char *const denverton_group_south_group1_names[] = {
"SOUTH_GROUP1_SUSPWRDNACK",
"SOUTH_GROUP1_PMU_SUSCLK",
"SOUTH_GROUP1_ADR_TRIGGER",
"SOUTH_GROUP1_PMU_SLP_S45_N",
"SOUTH_GROUP1_PMU_SLP_S3_N",
"SOUTH_GROUP1_PMU_WAKE_N",
"SOUTH_GROUP1_PMU_PWRBTN_N",
"SOUTH_GROUP1_PMU_RESETBUTTON_N",
"SOUTH_GROUP1_PMU_PLTRST_N",
"SOUTH_GROUP1_SUS_STAT_N",
"SOUTH_GROUP1_SLP_S0IX_N",
"SOUTH_GROUP1_SPI_CS0_N",
"SOUTH_GROUP1_SPI_CS1_N",
"SOUTH_GROUP1_SPI_MOSI_IO0",
"SOUTH_GROUP1_SPI_MISO_IO1",
"SOUTH_GROUP1_SPI_IO2",
"SOUTH_GROUP1_SPI_IO3",
"SOUTH_GROUP1_SPI_CLK",
"SOUTH_GROUP1_SPI_CLK_LOOPBK",
"SOUTH_GROUP1_ESPI_IO0",
"SOUTH_GROUP1_ESPI_IO1",
"SOUTH_GROUP1_ESPI_IO2",
"SOUTH_GROUP1_ESPI_IO3",
"SOUTH_GROUP1_ESPI_CS0_N",
"SOUTH_GROUP1_ESPI_CLK",
"SOUTH_GROUP1_ESPI_RST_N",
"SOUTH_GROUP1_ESPI_ALRT0_N",
"SOUTH_GROUP1_GPIO_10",
"SOUTH_GROUP1_GPIO_11",
"SOUTH_GROUP1_ESPI_CLK_LOOPBK",
"SOUTH_GROUP1_EMMC_CMD",
"SOUTH_GROUP1_EMMC_STROBE",
"SOUTH_GROUP1_EMMC_CLK",
"SOUTH_GROUP1_EMMC_D0",
"SOUTH_GROUP1_EMMC_D1",
"SOUTH_GROUP1_EMMC_D2",
"SOUTH_GROUP1_EMMC_D3",
"SOUTH_GROUP1_EMMC_D4",
"SOUTH_GROUP1_EMMC_D5",
"SOUTH_GROUP1_EMMC_D6",
"SOUTH_GROUP1_EMMC_D7",
"SOUTH_GROUP1_GPIO_3",
};
static const struct gpio_group denverton_group_south_group1 = {
.display = "------- GPIO Group South Group1 -------",
.pad_count = ARRAY_SIZE(denverton_group_south_group1_names) / 1,
.func_count = 1,
.pad_names = denverton_group_south_group1_names,
};
static const struct gpio_group *const denverton_community_south_groups[] = {
&denverton_group_south_dfx,
&denverton_group_south_group0,
&denverton_group_south_group1,
};
static const struct gpio_community denverton_community_south = {
.name = "------- GPIO Community 1 -------",
.pcr_port_id = 0xc5,
.group_count = ARRAY_SIZE(denverton_community_south_groups),
.groups = denverton_community_south_groups,
};
static const struct gpio_community *const denverton_communities[] = {
&denverton_community_north, &denverton_community_south,
};
static const char *decode_pad_mode(const struct gpio_group *const group,
const size_t pad, const uint32_t dw0)
{
const size_t pad_mode = dw0 >> 10 & 7;
const char *const pad_name =
group->pad_names[pad * group->func_count + pad_mode];
if (!pad_mode)
return pad_name[0] == '*' ? "*GPIO" : "GPIO";
else if (pad_mode < group->func_count)
return group->pad_names[pad * group->func_count + pad_mode];
else
return "RESERVED";
}
static void print_gpio_group(const uint8_t pid, size_t pad_cfg,
const struct gpio_group *const group,
size_t pad_stepping)
{
size_t p;
printf("%s\n", group->display);
for (p = 0; p < group->pad_count; ++p, pad_cfg += pad_stepping) {
const uint32_t dw0 = read_pcr32(pid, pad_cfg);
const uint32_t dw1 = read_pcr32(pid, pad_cfg + 4);
const char *const pad_name =
group->pad_names[p * group->func_count];
printf("0x%04zx: 0x%016"PRIx64" %-12s %-20s\n", pad_cfg,
(uint64_t)dw1 << 32 | dw0,
pad_name[0] == '*' ? &pad_name[1] : pad_name,
decode_pad_mode(group, p, dw0));
}
}
static void print_gpio_community(const struct gpio_community *const community,
size_t pad_stepping)
{
size_t group, pad_count;
size_t pad_cfg; /* offset in bytes under this communities PCR port */
printf("%s\n\nPCR Port ID: 0x%06zx\n\n",
community->name, (size_t)community->pcr_port_id << 16);
for (group = 0, pad_count = 0; group < community->group_count; ++group)
pad_count += community->groups[group]->pad_count;
assert(pad_count * 8 <= PCR_PORT_SIZE - 0x10);
pad_cfg = read_pcr32(community->pcr_port_id, 0x0c);
if (pad_cfg + pad_count * 8 > PCR_PORT_SIZE) {
fprintf(stderr, "Bad Pad Base Address: 0x%08zx\n", pad_cfg);
return;
}
for (group = 0; group < community->group_count; ++group) {
print_gpio_group(community->pcr_port_id,
pad_cfg, community->groups[group],
pad_stepping);
pad_cfg += community->groups[group]->pad_count * pad_stepping;
}
}
void print_gpio_groups(struct pci_dev *const sb)
{
size_t community_count;
const struct gpio_community *const *communities;
size_t pad_stepping = 8;
switch (sb->device_id) {
case PCI_DEVICE_ID_INTEL_H110:
case PCI_DEVICE_ID_INTEL_H170:
case PCI_DEVICE_ID_INTEL_Z170:
case PCI_DEVICE_ID_INTEL_Q170:
case PCI_DEVICE_ID_INTEL_Q150:
case PCI_DEVICE_ID_INTEL_B150:
case PCI_DEVICE_ID_INTEL_C236:
case PCI_DEVICE_ID_INTEL_C232:
case PCI_DEVICE_ID_INTEL_QM170:
case PCI_DEVICE_ID_INTEL_HM170:
case PCI_DEVICE_ID_INTEL_CM236:
community_count = ARRAY_SIZE(sunrise_communities);
communities = sunrise_communities;
pcr_init(sb);
break;
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_PRE:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_SKL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_SKL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_SKL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_KBL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_KBL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_KBL:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_BASE:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_PREM:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_IHDCP_PREM:
community_count = ARRAY_SIZE(sunrise_lp_communities);
communities = sunrise_lp_communities;
pcr_init(sb);
break;
case PCI_DEVICE_ID_INTEL_C621:
case PCI_DEVICE_ID_INTEL_C622:
case PCI_DEVICE_ID_INTEL_C624:
case PCI_DEVICE_ID_INTEL_C625:
case PCI_DEVICE_ID_INTEL_C626:
case PCI_DEVICE_ID_INTEL_C627:
case PCI_DEVICE_ID_INTEL_C628:
case PCI_DEVICE_ID_INTEL_C629:
case PCI_DEVICE_ID_INTEL_C624_SUPER:
case PCI_DEVICE_ID_INTEL_C627_SUPER_1:
case PCI_DEVICE_ID_INTEL_C621_SUPER:
case PCI_DEVICE_ID_INTEL_C627_SUPER_2:
case PCI_DEVICE_ID_INTEL_C628_SUPER:
community_count = ARRAY_SIZE(lewisburg_communities);
communities = lewisburg_communities;
pcr_init(sb);
break;
case PCI_DEVICE_ID_INTEL_DNV_LPC:
community_count = ARRAY_SIZE(denverton_communities);
communities = denverton_communities;
pcr_init(sb);
break;
case PCI_DEVICE_ID_INTEL_APL_LPC:
community_count = ARRAY_SIZE(apl_communities);
communities = apl_communities;
pcr_init(sb);
break;
case PCI_DEVICE_ID_INTEL_H310:
case PCI_DEVICE_ID_INTEL_H370:
case PCI_DEVICE_ID_INTEL_Z390:
case PCI_DEVICE_ID_INTEL_Q370:
case PCI_DEVICE_ID_INTEL_B360:
case PCI_DEVICE_ID_INTEL_C246:
case PCI_DEVICE_ID_INTEL_C242:
case PCI_DEVICE_ID_INTEL_QM370:
case PCI_DEVICE_ID_INTEL_HM370:
case PCI_DEVICE_ID_INTEL_CM246:
community_count = ARRAY_SIZE(cannonlake_pch_h_communities);
communities = cannonlake_pch_h_communities;
pad_stepping = 16;
pcr_init(sb);
break;
case PCI_DEVICE_ID_INTEL_ICELAKE_LP_U:
community_count = ARRAY_SIZE(icelake_pch_h_communities);
communities = icelake_pch_h_communities;
pad_stepping = 16;
pcr_init(sb);
break;
default:
return;
}
printf("\n============= GPIOS =============\n\n");
for (; community_count; --community_count)
print_gpio_community(*communities++, pad_stepping);
}