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authorSaurabh Mishra <mishra.saurabh@intel.com>2024-09-12 10:52:56 +0530
committerSubrata Banik <subratabanik@google.com>2024-09-13 08:23:55 +0000
commit95cf9c0052234cf19599c03ea214eff4a6ed3b65 (patch)
treedb9913d476eecffa50466c9df508524119ad29ff /src/soc
parent4ba9eeab08d3ab817b7751dc6f834148667ce065 (diff)
soc/intel/ptl: Do initial Panther Lake SoC commit till ramstage
List of changes: 1. Add required SoC programming till ramstage. 2. Include only required headers into include/soc. 3. Skeleton code used to call FSP-S API. BUG=b:348678529 TEST=Verified on Intel® Simics® Pre Silicon Simulation platform for PTL using google/fatcat mainboard. Change-Id: I61930726ad0c765bfa1d72c5df893262be884834 Signed-off-by: Saurabh Mishra <mishra.saurabh@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/84332 Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Subrata Banik <subratabanik@google.com>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/pantherlake/Kconfig188
-rw-r--r--src/soc/intel/pantherlake/Makefile.mk39
-rw-r--r--src/soc/intel/pantherlake/acpi.c358
-rw-r--r--src/soc/intel/pantherlake/chip.c283
-rw-r--r--src/soc/intel/pantherlake/chip.h316
-rw-r--r--src/soc/intel/pantherlake/chipset.cb16
-rw-r--r--src/soc/intel/pantherlake/cpu.c226
-rw-r--r--src/soc/intel/pantherlake/crashlog.c516
-rw-r--r--src/soc/intel/pantherlake/cse_telemetry.c29
-rw-r--r--src/soc/intel/pantherlake/elog.c220
-rw-r--r--src/soc/intel/pantherlake/finalize.c82
-rw-r--r--src/soc/intel/pantherlake/fsp_params.c20
-rw-r--r--src/soc/intel/pantherlake/gspi.c17
-rw-r--r--src/soc/intel/pantherlake/i2c.c43
-rw-r--r--src/soc/intel/pantherlake/include/soc/cpu.h25
-rw-r--r--src/soc/intel/pantherlake/include/soc/crashlog.h33
-rw-r--r--src/soc/intel/pantherlake/include/soc/dptf.h23
-rw-r--r--src/soc/intel/pantherlake/include/soc/iomap.h3
-rw-r--r--src/soc/intel/pantherlake/include/soc/irq.h12
-rw-r--r--src/soc/intel/pantherlake/include/soc/nvs.h8
-rw-r--r--src/soc/intel/pantherlake/include/soc/p2sb.h6
-rw-r--r--src/soc/intel/pantherlake/include/soc/pcie.h11
-rw-r--r--src/soc/intel/pantherlake/include/soc/pmc.h2
-rw-r--r--src/soc/intel/pantherlake/include/soc/ramstage.h14
-rw-r--r--src/soc/intel/pantherlake/include/soc/serialio.h35
-rw-r--r--src/soc/intel/pantherlake/include/soc/systemagent.h15
-rw-r--r--src/soc/intel/pantherlake/include/soc/tcss.h19
-rw-r--r--src/soc/intel/pantherlake/include/soc/usb.h155
-rw-r--r--src/soc/intel/pantherlake/lockdown.c54
-rw-r--r--src/soc/intel/pantherlake/p2sb.c57
-rw-r--r--src/soc/intel/pantherlake/pcie_rp.c47
-rw-r--r--src/soc/intel/pantherlake/pmc.c200
-rw-r--r--src/soc/intel/pantherlake/pmutil.c267
-rw-r--r--src/soc/intel/pantherlake/retimer.c30
-rw-r--r--src/soc/intel/pantherlake/smihandler.c30
-rw-r--r--src/soc/intel/pantherlake/soundwire.c72
-rw-r--r--src/soc/intel/pantherlake/spi.c25
-rw-r--r--src/soc/intel/pantherlake/systemagent.c211
-rw-r--r--src/soc/intel/pantherlake/tcss.c10
-rw-r--r--src/soc/intel/pantherlake/uart.c12
-rw-r--r--src/soc/intel/pantherlake/xhci.c39
41 files changed, 3675 insertions, 93 deletions
diff --git a/src/soc/intel/pantherlake/Kconfig b/src/soc/intel/pantherlake/Kconfig
index 98248fe955..0dc65e40af 100644
--- a/src/soc/intel/pantherlake/Kconfig
+++ b/src/soc/intel/pantherlake/Kconfig
@@ -7,37 +7,100 @@ config SOC_INTEL_PANTHERLAKE_BASE
select BOOT_DEVICE_SUPPORTS_WRITES
select CACHE_MRC_SETTINGS
select CPU_INTEL_COMMON
+ select CPU_INTEL_COMMON_VOLTAGE
select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
+ select CPU_SUPPORTS_INTEL_TME
+ select CPU_SUPPORTS_PM_TIMER_EMULATION
+ select DEFAULT_SOFTWARE_CONNECTION_MANAGER if MAINBOARD_HAS_CHROMEOS
+ select DEFAULT_X2APIC_LATE_WORKAROUND
+ select DISPLAY_FSP_VERSION_INFO_2
+ select FAST_SPI_SUPPORTS_EXT_BIOS_WINDOW
+ select FSP_COMPRESS_FSP_S_LZ4
select FSP_M_XIP
+ select FSP_STATUS_GLOBAL_RESET_REQUIRED_3
+ select FSP_UGOP_EARLY_SIGN_OF_LIFE
select FSP_USES_CB_DEBUG_EVENT_HANDLER
- select FAST_SPI_SUPPORTS_EXT_BIOS_WINDOW
+ select FSPS_HAS_ARCH_UPD
+ select GENERIC_GPIO_LIB
+ select HAVE_DEBUG_RAM_SETUP
+ select HAVE_FSP_GOP
+ select HAVE_FSP_LOGO_SUPPORT if RUN_FSP_GOP
+ select HAVE_HYPERTHREADING
+ select HAVE_INTEL_COMPLIANCE_TEST_MODE
+ select HAVE_SMI_HANDLER
select HAVE_X86_64_SUPPORT
select IDT_IN_EVERY_STAGE
- select INTEL_GMA_ADD_VBT if RUN_FSP_GOP
select INTEL_DESCRIPTOR_MODE_CAPABLE
+ select INTEL_GMA_ACPI
+ select INTEL_GMA_ADD_VBT if RUN_FSP_GOP
+ select INTEL_GMA_OPREGION_2_1
+ select INTEL_GMA_VERSION_2
+ select INTEL_KEYLOCKER
select IOAPIC
select MICROCODE_BLOB_UNDISCLOSED
+ select MP_SERVICES_PPI_V2
+ select MRC_CACHE_USING_MRC_VERSION
select MRC_SETTINGS_PROTECT
+ select PARALLEL_MP_AP_WORK
+ select PCIE_CLOCK_CONTROL_THROUGH_P2SB
select PLATFORM_USES_FSP2_4
+ select PMC_GLOBAL_RESET_ENABLE_LOCK
select SOC_INTEL_COMMON
+ select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE
+ select SOC_INTEL_COMMON_BASECODE
+ select SOC_INTEL_COMMON_BASECODE_RAMTOP
select SOC_INTEL_COMMON_BLOCK
select SOC_INTEL_COMMON_BLOCK_CAR
select SOC_INTEL_COMMON_BLOCK_CHIP_CONFIG
+ select SOC_INTEL_COMMON_BLOCK_CNVI
select SOC_INTEL_COMMON_BLOCK_CPU
+ select SOC_INTEL_COMMON_BLOCK_CPU_MPINIT
+ select SOC_INTEL_COMMON_BLOCK_CPU_SMMRELOCATE
+ select SOC_INTEL_COMMON_BLOCK_DTT
+ select SOC_INTEL_COMMON_BLOCK_GPIO_DUAL_ROUTE_SUPPORT
+ select SOC_INTEL_COMMON_BLOCK_GPIO_IOSTANDBY
+ select SOC_INTEL_COMMON_BLOCK_GPIO_LOCK_USING_PCR
+ select SOC_INTEL_COMMON_BLOCK_GPIO_PMODE_4BITS
select SOC_INTEL_COMMON_BLOCK_GSPI_VERSION_2
+ select SOC_INTEL_COMMON_BLOCK_HDA
+ select SOC_INTEL_COMMON_BLOCK_HECI1_DISABLE_USING_PMC_IPC
+ select SOC_INTEL_COMMON_BLOCK_IOC
select SOC_INTEL_COMMON_BLOCK_IOE_P2SB
+ select SOC_INTEL_COMMON_BLOCK_IPU
+ select SOC_INTEL_COMMON_BLOCK_IRQ
+ select SOC_INTEL_COMMON_BLOCK_ME_SPEC_18 # TODO: Update with ME21 Spec
select SOC_INTEL_COMMON_BLOCK_MEMINIT
+ select SOC_INTEL_COMMON_BLOCK_PCIE_RTD3
+ select SOC_INTEL_COMMON_BLOCK_PMC_EPOC
+ select SOC_INTEL_COMMON_BLOCK_POWER_LIMIT
select SOC_INTEL_COMMON_BLOCK_SA
+ select SOC_INTEL_COMMON_BLOCK_SMM
+ select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP
+ select SOC_INTEL_COMMON_BLOCK_SMM_TCO_ENABLE
+ select SOC_INTEL_COMMON_BLOCK_THERMAL_BEHIND_PMC
+ select SOC_INTEL_COMMON_BLOCK_TRACEHUB
+ select SOC_INTEL_COMMON_BLOCK_XHCI
+ select SOC_INTEL_COMMON_BLOCK_XHCI_ELOG
+ select SOC_INTEL_COMMON_FSP_RESET
select SOC_INTEL_COMMON_PCH_CLIENT
select SOC_INTEL_COMMON_RESET
+ select SOC_INTEL_CRASHLOG
+ select SOC_INTEL_CSE_LITE_PSR if MAINBOARD_HAS_CHROMEOS && SOC_INTEL_CSE_LITE_SKU
+ select SOC_INTEL_CSE_SEND_EOP_LATE if !MAINBOARD_HAS_CHROMEOS
+ select SOC_INTEL_CSE_SET_EOP
+ select SOC_INTEL_GFX_NON_PREFETCHABLE_MMIO
select SOC_INTEL_IOE_DIE_SUPPORT
+ select SOC_INTEL_MEM_MAPPED_PM_CONFIGURATION
select SOC_QDF_DYNAMIC_READ_PMC
select SSE2
select SUPPORT_CPU_UCODE_IN_CBFS
+ select TME_KEY_REGENERATION_ON_WARM_BOOT
select TSC_MONOTONIC_TIMER
select UDELAY_TSC
select UDK_202302_BINDING
select USE_X86_64_SUPPORT
+ select X86_CLFLUSH_CAR
+ select X86_INIT_NEED_1_SIPI
help
Intel Pantherlake support. Mainboards should specify the SoC
type using the `SOC_INTEL_PANTHERLAKE_*` options instead
@@ -49,8 +112,6 @@ config SOC_INTEL_PANTHERLAKE_U_H
help
Choose this option if the mainboard is built using either a PTL-U (15W) or
PTL-H 12Xe (25W) system-on-a-chip SoC.
- Note, PTL U/H processor line is offered in a single package platform that includes the
- Compute tile, the PCD tile, and the GFX tile on the same package.
config SOC_INTEL_PANTHERLAKE_H
bool
@@ -58,11 +119,17 @@ config SOC_INTEL_PANTHERLAKE_H
select SOC_INTEL_PANTHERLAKE_BASE
help
Choose this option if the mainboard is built using PTL-H 4Xe system-on-a-chip (SoC).
- Note, PTL-H processor line is offered in a single package platform that includes the
- Compute tile, the PCD tile, and the GFX tile on the same package.
if SOC_INTEL_PANTHERLAKE_BASE
+config SOC_INTEL_PANTHERLAKE_TCSS_USB4_SUPPORT
+ bool
+ default y
+ select SOC_INTEL_COMMON_BLOCK_TCSS
+ select SOC_INTEL_COMMON_BLOCK_USB4
+ select SOC_INTEL_COMMON_BLOCK_USB4_PCIE
+ select SOC_INTEL_COMMON_BLOCK_USB4_XHCI
+
config CAR_ENHANCED_NEM
bool
default y if !INTEL_CAR_NEM
@@ -101,6 +168,16 @@ config FSP_TEMP_RAM_SIZE
Refer to Platform FSP integration guide document to know
the exact FSP requirement for Heap setup.
+config CHIPSET_DEVICETREE
+ string
+ default "soc/intel/pantherlake/chipset.cb"
+
+config EXT_BIOS_WIN_BASE
+ default 0xf8000000
+
+config EXT_BIOS_WIN_SIZE
+ default 0x2000000
+
config IFD_CHIPSET
string
default "ptl"
@@ -109,6 +186,26 @@ config IED_REGION_SIZE
hex
default 0x400000
+# Intel recommends reserving the PCIe TBT root port resources as below:
+# - 42 buses
+# - 194 MiB Non-prefetchable memory
+# - 448 MiB Prefetchable memory
+if SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
+
+config PCIEXP_HOTPLUG_BUSES
+ int
+ default 42
+
+config PCIEXP_HOTPLUG_MEM
+ hex
+ default 0xc200000
+
+config PCIEXP_HOTPLUG_PREFETCH_MEM
+ hex
+ default 0x1c000000
+
+endif # SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
+
config MAX_TBT_ROOT_PORTS
int
default 4
@@ -122,6 +219,14 @@ config MAX_PCIE_CLOCK_SRC
int
default 9
+config SMM_TSEG_SIZE
+ hex
+ default 0x2000000
+
+config SMM_RESERVED_SIZE
+ hex
+ default 0x200000
+
config PCR_BASE_ADDRESS
hex
default 0x4000000000
@@ -137,6 +242,14 @@ config P2SB_2_PCR_BASE_ADDRESS
config ECAM_MMCONF_BASE_ADDRESS
default 0xe0000000
+config SOC_INTEL_PERFORMANCE_CORE_SCALE_FACTOR
+ int
+ default 125 # TODO: Update with PTL data
+
+config SOC_INTEL_EFFICIENT_CORE_SCALE_FACTOR
+ int
+ default 100 # TODO: Update with PTL data
+
config CPU_BCLK_MHZ
int
default 100
@@ -178,7 +291,7 @@ config CONSOLE_UART_BASE_ADDRESS
depends on INTEL_LPSS_UART_FOR_CONSOLE
# Clock divider parameters for 115200 baud rate
-# Baudrate = (UART source clcok * M) /(N *16)
+# Baudrate = (UART source clock * M) /(N *16)
# PTL UART source clock: 100MHz
config SOC_INTEL_COMMON_LPSS_UART_CLK_M_VAL
hex
@@ -189,12 +302,13 @@ config SOC_INTEL_COMMON_LPSS_UART_CLK_N_VAL
default 0x7fff
config VBOOT
- select VBOOT_SEPARATE_VERSTAGE
select VBOOT_MUST_REQUEST_DISPLAY
+ select VBOOT_SEPARATE_VERSTAGE
select VBOOT_STARTS_IN_BOOTBLOCK
select VBOOT_VBNV_CMOS
select VBOOT_VBNV_CMOS_BACKUP_TO_FLASH
select VBOOT_X86_SHA256_ACCELERATION
+ select VBOOT_X86_RSA_ACCELERATION
# Default hash block size is 1KiB. Increasing it to 4KiB to improve
# hashing time as well as read time.
@@ -242,4 +356,62 @@ config MRC_CHANNEL_WIDTH
int
default 16
+config SOC_INTEL_GFX_FRAMEBUFFER_OFFSET
+ hex
+ default 0x800000
+
+config DROP_CPU_FEATURE_PROGRAM_IN_FSP
+ bool
+ default n
+ help
+ This is to avoid FSP running basic CPU feature programming on BSP
+ and on APs using the "CpuFeaturesPei.efi" module. The feature programming
+ includes enabling x2APIC, MCA, MCE and Turbo etc.
+
+ Most of these feature programming are getting performed today in scope
+ of coreboot doing MP Init. Running these redundant programming in scope
+ of FSP (when `USE_FSP_FEATURE_PROGRAM_ON_APS` config is enabled) would
+ results in CPU exception.
+
+ SoC users to select this config after dropping "CpuFeaturesPei.ffs" module
+ from FSP-S Firmware Volume (FV). Upon selection, coreboot runs those additional
+ feature programming on BSP and APs.
+
+ This feature is default enabled, in case of "coreboot running MP init"
+ aka MP_SERVICES_PPI_V2_NOOP config is selected.
+
+config PCIE_LTR_MAX_SNOOP_LATENCY
+ hex
+ default 0x100f
+ help
+ Latency tolerance reporting, max snoop latency value defaults to 15.73 ms.
+
+config PCIE_LTR_MAX_NO_SNOOP_LATENCY
+ hex
+ default 0x100f
+ help
+ Latency tolerance reporting, max non-snoop latency value defaults to 15.73 ms.
+
+config HAVE_BMP_LOGO_COMPRESS_LZMA
+ default n
+
+# The default offset to store CSE RW FW version information is at 68.
+# However, in Intel Panther Lake based systems that use PSR, the additional
+# size required to keep CSE RW FW version information and PSR back-up status
+# in adjacent CMOS memory at offset 68 is not available. Therefore, we
+# override the default offset to 161, which has enough space to keep both
+# the CSE related information together.
+config SOC_INTEL_CSE_FW_PARTITION_CMOS_OFFSET
+ int
+ default 161
+
+config SOC_INTEL_COMMON_BLOCK_ACPI_SLP_S0_FREQ_HZ
+ default 0x2005
+ help
+ slp_s0_residency granularity in 122us ticks (i.e. ~8.2KHz) in Panther Lake.
+
+config SOC_PHYSICAL_ADDRESS_WIDTH
+ int
+ default 42
+
endif
diff --git a/src/soc/intel/pantherlake/Makefile.mk b/src/soc/intel/pantherlake/Makefile.mk
index 2704305026..10ef8e949f 100644
--- a/src/soc/intel/pantherlake/Makefile.mk
+++ b/src/soc/intel/pantherlake/Makefile.mk
@@ -6,20 +6,55 @@ subdirs-y += romstage
subdirs-y += ../../../cpu/intel/microcode
subdirs-y += ../../../cpu/intel/turbo
+# all (bootblock, verstage, romstage, postcar, ramstage)
+all-y += gspi.c
+all-y += i2c.c
+all-y += pmutil.c
+all-y += spi.c
+all-y += uart.c
+all-y += gpio.c
+
bootblock-y += bootblock/bootblock.c
bootblock-y += bootblock/pcd.c
bootblock-y += bootblock/report_platform.c
bootblock-y += espi.c
-bootblock-y += gpio.c
bootblock-y += soc_info.c
+romstage-$(CONFIG_SOC_INTEL_CSE_PRE_CPU_RESET_TELEMETRY) += cse_telemetry.c
romstage-y += espi.c
-romstage-y += gpio.c
romstage-y += meminit.c
romstage-y += pcie_rp.c
romstage-y += reset.c
romstage-y += soc_info.c
+ramstage-y += acpi.c
+ramstage-y += chip.c
+ramstage-y += cpu.c
+ramstage-$(CONFIG_SOC_INTEL_CRASHLOG) += crashlog.c
+ramstage-y += elog.c
+ramstage-y += espi.c
+ramstage-y += finalize.c
+ramstage-y += fsp_params.c
+ramstage-y += lockdown.c
+ramstage-y += p2sb.c
+ramstage-y += pcie_rp.c
+ramstage-y += pmc.c
+ramstage-y += reset.c
+ramstage-y += retimer.c
+ramstage-y += soc_info.c
+ramstage-y += soundwire.c
+ramstage-y += systemagent.c
+ramstage-y += tcss.c
+ramstage-y += xhci.c
+
+smm-y += elog.c
+smm-y += gpio.c
+smm-y += p2sb.c
+smm-y += pmutil.c
+smm-y += smihandler.c
+smm-y += soc_info.c
+smm-y += uart.c
+smm-y += xhci.c
CPPFLAGS_common += -I$(src)/soc/intel/pantherlake
CPPFLAGS_common += -I$(src)/soc/intel/pantherlake/include
diff --git a/src/soc/intel/pantherlake/acpi.c b/src/soc/intel/pantherlake/acpi.c
new file mode 100644
index 0000000000..79e47e805e
--- /dev/null
+++ b/src/soc/intel/pantherlake/acpi.c
@@ -0,0 +1,358 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+#include <acpi/acpi_gnvs.h>
+#include <acpi/acpigen.h>
+#include <arch/ioapic.h>
+#include <arch/smp/mpspec.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/mmio.h>
+#include <device/pci_ops.h>
+#include <fw_config.h>
+#include <intelblocks/cpulib.h>
+#include <intelblocks/pmclib.h>
+#include <intelblocks/acpi.h>
+#include <soc/cpu.h>
+#include <soc/iomap.h>
+#include <soc/nvs.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/soc_chip.h>
+#include <soc/systemagent.h>
+#include <types.h>
+
+/*
+ * TODO: Update as per PTL spec.
+ * List of supported C-states in this processor.
+ */
+enum {
+ C_STATE_C0, /* 0 */
+ C_STATE_C1, /* 1 */
+ C_STATE_C1E, /* 2 */
+ C_STATE_C6_SHORT_LAT, /* 3 */
+ C_STATE_C6_LONG_LAT, /* 4 */
+ C_STATE_C7_SHORT_LAT, /* 5 */
+ C_STATE_C7_LONG_LAT, /* 6 */
+ C_STATE_C7S_SHORT_LAT, /* 7 */
+ C_STATE_C7S_LONG_LAT, /* 8 */
+ C_STATE_C8, /* 9 */
+ C_STATE_C9, /* 10 */
+ C_STATE_C10, /* 11 */
+ NUM_C_STATES
+};
+
+/* TODO: Update as per PTL spec. */
+static const acpi_cstate_t cstate_map[NUM_C_STATES] = {
+ [C_STATE_C0] = {},
+ [C_STATE_C1] = {
+ .latency = C1_LATENCY,
+ .power = C1_POWER,
+ .resource = MWAIT_RES(0, 0),
+ },
+ [C_STATE_C1E] = {
+ .latency = C1_LATENCY,
+ .power = C1_POWER,
+ .resource = MWAIT_RES(0, 1),
+ },
+ [C_STATE_C6_SHORT_LAT] = {
+ .latency = C6_LATENCY,
+ .power = C6_POWER,
+ .resource = MWAIT_RES(2, 0),
+ },
+ [C_STATE_C6_LONG_LAT] = {
+ .latency = C6_LATENCY,
+ .power = C6_POWER,
+ .resource = MWAIT_RES(2, 1),
+ },
+ [C_STATE_C7_SHORT_LAT] = {
+ .latency = C7_LATENCY,
+ .power = C7_POWER,
+ .resource = MWAIT_RES(3, 0),
+ },
+ [C_STATE_C7_LONG_LAT] = {
+ .latency = C7_LATENCY,
+ .power = C7_POWER,
+ .resource = MWAIT_RES(3, 1),
+ },
+ [C_STATE_C7S_SHORT_LAT] = {
+ .latency = C7_LATENCY,
+ .power = C7_POWER,
+ .resource = MWAIT_RES(3, 2),
+ },
+ [C_STATE_C7S_LONG_LAT] = {
+ .latency = C7_LATENCY,
+ .power = C7_POWER,
+ .resource = MWAIT_RES(3, 3),
+ },
+ [C_STATE_C8] = {
+ .latency = C8_LATENCY,
+ .power = C8_POWER,
+ .resource = MWAIT_RES(4, 0),
+ },
+ [C_STATE_C9] = {
+ .latency = C9_LATENCY,
+ .power = C9_POWER,
+ .resource = MWAIT_RES(5, 0),
+ },
+ [C_STATE_C10] = {
+ .latency = C10_LATENCY,
+ .power = C10_POWER,
+ .resource = MWAIT_RES(6, 0),
+ },
+};
+
+/* TODO: Update as per PTL spec */
+static int cstate_set_non_s0ix[] = {
+ C_STATE_C1,
+ C_STATE_C6_LONG_LAT,
+ C_STATE_C7S_LONG_LAT
+};
+
+/* TODO: Update as per PTL spec */
+static int cstate_set_s0ix[] = {
+ C_STATE_C1,
+ C_STATE_C6_LONG_LAT,
+ C_STATE_C10
+};
+
+const acpi_cstate_t *soc_get_cstate_map(size_t *entries)
+{
+ static acpi_cstate_t map[MAX(ARRAY_SIZE(cstate_set_s0ix),
+ ARRAY_SIZE(cstate_set_non_s0ix))];
+ static bool c_state_initialized = false;
+ size_t i;
+
+ if (c_state_initialized)
+ return map;
+
+ config_t *config = config_of_soc();
+ if (config == NULL) {
+ printk(BIOS_ERR, "Error: Configuration could not be retrieved.\n");
+ return NULL;
+ }
+
+ int *set;
+ if (config->s0ix_enable) {
+ *entries = ARRAY_SIZE(cstate_set_s0ix);
+ set = cstate_set_s0ix;
+ } else {
+ *entries = ARRAY_SIZE(cstate_set_non_s0ix);
+ set = cstate_set_non_s0ix;
+ }
+
+ for (i = 0; i < *entries; i++) {
+ map[i] = cstate_map[set[i]];
+ map[i].ctype = i + 1;
+ }
+ c_state_initialized = true;
+
+ return map;
+}
+
+void soc_power_states_generation(int core_id, int cores_per_package)
+{
+ config_t *config = config_of_soc();
+ if (config == NULL) {
+ printk(BIOS_ERR, "Error: Configuration could not be retrieved.\n");
+ return;
+ }
+ if (config->eist_enable)
+ /* Generate P-state tables */
+ generate_p_state_entries(core_id, cores_per_package);
+}
+
+void soc_fill_fadt(acpi_fadt_t *fadt)
+{
+ const uint16_t pmbase = ACPI_BASE_ADDRESS;
+
+ config_t *config = config_of_soc();
+ if (config == NULL) {
+ printk(BIOS_ERR, "Error: Configuration could not be retrieved.\n");
+ return;
+ }
+ fadt->pm_tmr_blk = pmbase + PM1_TMR;
+ fadt->pm_tmr_len = sizeof(uint32_t);
+
+ fill_fadt_extended_pm_io(fadt);
+
+ if (config->s0ix_enable)
+ fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
+}
+
+static struct min_sleep_state min_pci_sleep_states[] = {
+ { SA_DEVFN_ROOT, ACPI_DEVICE_SLEEP_D3 },
+ { SA_DEVFN_IGD, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_IPU, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_TBT0, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_TBT1, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_TBT2, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_TBT3, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_TCSS_XHCI, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_TCSS_XDCI, ACPI_DEVICE_SLEEP_D3 },
+ { SA_DEVFN_TCSS_DMA0, ACPI_DEVICE_SLEEP_D3 },
+ { SA_DEVFN_TCSS_DMA1, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_THC0, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_THC1, ACPI_DEVICE_SLEEP_D3 },
+ { PCH_DEVFN_XHCI, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_USBOTG, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_SRAM, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_CNVI_WIFI, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_I2C0, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_I2C1, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_I2C2, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_I2C3, ACPI_DEVICE_SLEEP_D3 },
+ { PCH_DEVFN_CSE, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_I2C4, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_I2C5, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_UART2, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_PCIE1, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE2, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE3, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE4, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE5, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE6, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE7, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE8, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE9, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE10, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE11, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_PCIE12, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_UART0, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_UART1, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_GSPI0, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_GSPI1, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_ESPI, ACPI_DEVICE_SLEEP_D0 },
+ { PCH_DEVFN_PMC, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_HDA, ACPI_DEVICE_SLEEP_D0 },
+ { PCI_DEVFN_SPI, ACPI_DEVICE_SLEEP_D3 },
+ { PCI_DEVFN_GBE, ACPI_DEVICE_SLEEP_D3 },
+};
+
+struct min_sleep_state *soc_get_min_sleep_state_array(size_t *size)
+{
+ *size = ARRAY_SIZE(min_pci_sleep_states);
+ return min_pci_sleep_states;
+}
+
+uint32_t soc_read_sci_irq_select(void)
+{
+ return read32p(soc_read_pmc_base() + IRQ_REG);
+}
+
+static unsigned long soc_fill_dmar(unsigned long current)
+{
+ uint32_t vtd_engine_enabled = MCHBAR32(GFXVTBAR);
+ const uint64_t gfxvtbar = MCHBAR64(GFXVTBAR) & VTBAR_MASK;
+ bool is_ipu_enabled = is_devfn_enabled(PCI_DEVFN_IPU);
+ bool is_dptf_enabled = is_devfn_enabled(PCI_DEVFN_DPTF);
+ bool is_npu_enabled = is_devfn_enabled(PCI_DEVFN_NPU);
+ bool is_iaa_enabled = is_devfn_enabled(PCI_DEVFN_IAA);
+
+ printk(BIOS_DEBUG, "%s - gfxvtbar:0x%llx 0x%x\n", __func__, gfxvtbar, MCHBAR32(GFXVTBAR));
+ if (vtd_engine_enabled & GFXVT_ENABLED) {
+ const unsigned long tmp = current;
+ current += acpi_create_dmar_drhd(current, 0, 0, gfxvtbar, GFXVT_BASE_SIZE);
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_IGD, 0);
+
+ acpi_dmar_drhd_fixup(tmp, current);
+ }
+
+ if ((is_ipu_enabled || is_dptf_enabled || is_npu_enabled || is_iaa_enabled) &&
+ (vtd_engine_enabled & NONGFXVT_ENABLED)) {
+ const unsigned long tmp = current;
+ current += acpi_create_dmar_drhd(current,
+ 0, 0, (uint64_t)VTVC0_BASE_ADDRESS, VTVC0_BASE_SIZE);
+ if (is_ipu_enabled)
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_IPU, 0);
+ if (is_dptf_enabled)
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_DPTF, 0);
+ if (is_npu_enabled)
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_NPU, 0);
+ if (is_iaa_enabled)
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_IAA, 0);
+
+ acpi_dmar_drhd_fixup(tmp, current);
+ }
+
+ if (vtd_engine_enabled & IOCVT_ENABLED) {
+ const unsigned long tmp = current;
+ current += acpi_create_dmar_drhd(current,
+ DRHD_INCLUDE_PCI_ALL, 0, (uint64_t)IOCVTD_BASE_ADDRESS, IOCVTD_BASE_SIZE);
+ current += acpi_create_dmar_ds_ioapic_from_hw(current,
+ IO_APIC_ADDR, V_P2SB_CFG_IBDF_BUS, V_P2SB_CFG_IBDF_DEV, V_P2SB_CFG_IBDF_FUNC);
+ current += acpi_create_dmar_ds_msi_hpet(current, 0, V_P2SB_CFG_HBDF_BUS,
+ V_P2SB_CFG_HBDF_DEV, V_P2SB_CFG_HBDF_FUNC);
+
+ acpi_dmar_drhd_fixup(tmp, current);
+ }
+
+ /* Add RMRR entry */
+ if (vtd_engine_enabled & GFXVT_ENABLED) {
+ const unsigned long tmp = current;
+ current += acpi_create_dmar_rmrr(current, 0,
+ sa_get_gsm_base(), sa_get_tolud_base() - 1);
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_IGD, 0);
+
+ acpi_dmar_rmrr_fixup(tmp, current);
+ }
+
+ if (is_ipu_enabled || is_dptf_enabled || is_npu_enabled || is_iaa_enabled) {
+ const unsigned long tmp = current;
+ current += acpi_create_dmar_satc(current, ATC_REQUIRED, 0);
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_IGD, 0);
+ if (is_dptf_enabled)
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_DPTF, 0);
+ if (is_ipu_enabled)
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_IPU, 0);
+ if (is_npu_enabled)
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_NPU, 0);
+ if (is_iaa_enabled)
+ current += acpi_create_dmar_ds_pci(current, 0, PCI_DEV_SLOT_IAA, 0);
+
+ acpi_dmar_satc_fixup(tmp, current);
+ }
+ return current;
+}
+
+unsigned long sa_write_acpi_tables(const struct device *dev, unsigned long current,
+ struct acpi_rsdp *rsdp)
+{
+ acpi_dmar_t *const dmar = (acpi_dmar_t *)current;
+
+ /*
+ * Create DMAR table only if we have VT-d capability and FSP does not override its
+ * feature.
+ */
+ if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE) ||
+ !(MCHBAR32(GFXVTBAR) & (GFXVT_ENABLED | NONGFXVT_ENABLED | IOCVT_ENABLED)))
+ return current;
+
+ printk(BIOS_DEBUG, "ACPI: * DMAR\n");
+ acpi_create_dmar(dmar, DMAR_INTR_REMAP | DMA_CTRL_PLATFORM_OPT_IN_FLAG, soc_fill_dmar);
+ current += dmar->header.length;
+ current = acpi_align_current(current);
+ acpi_add_table(rsdp, dmar);
+
+ return current;
+}
+
+void soc_fill_gnvs(struct global_nvs *gnvs)
+{
+ config_t *config = config_of_soc();
+ if (config == NULL) {
+ printk(BIOS_ERR, "Configuration could not be retrieved.\n");
+ return;
+ }
+ /* Enable DPTF based on mainboard configuration */
+ gnvs->dpte = config->dptf_enable;
+
+ /* Set USB2/USB3 wake enable bitmaps. */
+ gnvs->u2we = config->usb2_wake_enable_bitmap;
+ gnvs->u3we = config->usb3_wake_enable_bitmap;
+}
+
+int soc_madt_sci_irq_polarity(int sci)
+{
+ return MP_IRQ_POLARITY_HIGH;
+}
diff --git a/src/soc/intel/pantherlake/chip.c b/src/soc/intel/pantherlake/chip.c
new file mode 100644
index 0000000000..6b596b0558
--- /dev/null
+++ b/src/soc/intel/pantherlake/chip.c
@@ -0,0 +1,283 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <fsp/api.h>
+#include <fsp/util.h>
+#include <gpio.h>
+#include <intelblocks/acpi.h>
+#include <intelblocks/cfg.h>
+#include <intelblocks/cse.h>
+#include <intelblocks/irq.h>
+#include <intelblocks/itss.h>
+#include <intelblocks/p2sb.h>
+#include <intelblocks/pcie_rp.h>
+#include <intelblocks/systemagent.h>
+#include <intelblocks/tcss.h>
+#include <intelblocks/xdci.h>
+#include <soc/intel/common/reset.h>
+#include <soc/intel/common/vbt.h>
+#include <soc/iomap.h>
+#include <soc/p2sb.h>
+#include <soc/pci_devs.h>
+#include <soc/pcie.h>
+#include <soc/ramstage.h>
+#include <soc/soc_chip.h>
+#include <soc/tcss.h>
+
+#if CONFIG(HAVE_ACPI_TABLES)
+const char *soc_acpi_name(const struct device *dev)
+{
+ if (dev->path.type == DEVICE_PATH_DOMAIN)
+ return "PCI0";
+
+ if (dev->path.type == DEVICE_PATH_USB) {
+ switch (dev->path.usb.port_type) {
+ case 0:
+ /* Root Hub */
+ return "RHUB";
+ case 2:
+ /* USB2 ports */
+ switch (dev->path.usb.port_id) {
+ case 0: return "HS01";
+ case 1: return "HS02";
+ case 2: return "HS03";
+ case 3: return "HS04";
+ case 4: return "HS05";
+ case 5: return "HS06";
+ case 6: return "HS07";
+ case 7: return "HS08";
+ }
+ break;
+ case 3:
+ /* USB3 ports */
+ switch (dev->path.usb.port_id) {
+ case 0: return "SS01";
+ case 1: return "SS02";
+ case 2: return "SS03";
+ case 3: return "SS04";
+ }
+ break;
+ }
+ printk(BIOS_ERR, "Missing ACPI Name for USB port_type=0x%x\n",
+ dev->path.usb.port_type);
+ return NULL;
+ }
+ if (dev->path.type != DEVICE_PATH_PCI) {
+ printk(BIOS_ERR, "Missing ACPI Name for USB path_type=0x%x\n",
+ dev->path.type);
+ return NULL;
+ }
+
+ switch (dev->path.pci.devfn) {
+ case PCI_DEVFN_ROOT: return "MCHC";
+ case PCI_DEVFN_IGD: return "GFX0";
+ case PCI_DEVFN_TCSS_XHCI: return "TXHC";
+ case PCI_DEVFN_TCSS_XDCI: return "TXDC";
+ case PCI_DEVFN_TCSS_DMA0: return "TDM0";
+ case PCI_DEVFN_TCSS_DMA1: return "TDM1";
+ case PCI_DEVFN_TBT0: return "TRP0";
+ case PCI_DEVFN_TBT1: return "TRP1";
+ case PCI_DEVFN_TBT2: return "TRP2";
+ case PCI_DEVFN_TBT3: return "TRP3";
+ case PCI_DEVFN_NPU: return "NPU";
+ case PCI_DEVFN_IPU: return "IPU";
+ case PCI_DEVFN_ISH: return "ISHB";
+ case PCI_DEVFN_XHCI: return "XHCI";
+ case PCI_DEVFN_I2C0: return "I2C0";
+ case PCI_DEVFN_I2C1: return "I2C1";
+ case PCI_DEVFN_I2C2: return "I2C2";
+ case PCI_DEVFN_I2C3: return "I2C3";
+ case PCI_DEVFN_I2C4: return "I2C4";
+ case PCI_DEVFN_I2C5: return "I2C5";
+ case PCI_DEVFN_CSE: return "HECI";
+ case PCI_DEVFN_PCIE1: return "RP01";
+ case PCI_DEVFN_PCIE2: return "RP02";
+ case PCI_DEVFN_PCIE3: return "RP03";
+ case PCI_DEVFN_PCIE4: return "RP04";
+ case PCI_DEVFN_PCIE5: return "RP05";
+ case PCI_DEVFN_PCIE6: return "RP06";
+ case PCI_DEVFN_PCIE7: return "RP07";
+ case PCI_DEVFN_PCIE8: return "RP08";
+ case PCI_DEVFN_PCIE9: return "RP09";
+ case PCI_DEVFN_PCIE10: return "RP10";
+ case PCI_DEVFN_PCIE11: return "RP11";
+ case PCI_DEVFN_PCIE12: return "RP12";
+ case PCI_DEVFN_PMC: return "PMC";
+ case PCI_DEVFN_UART0: return "UAR0";
+ case PCI_DEVFN_UART1: return "UAR1";
+ case PCI_DEVFN_UART2: return "UAR2";
+ case PCI_DEVFN_GSPI0: return "SPI0";
+ case PCI_DEVFN_GSPI1: return "SPI1";
+ /* Keeping ACPI device name coherent with ec.asl */
+ case PCI_DEVFN_ESPI: return "LPCB";
+ case PCI_DEVFN_HDA: return "HDAS";
+ case PCI_DEVFN_SMBUS: return "SBUS";
+ case PCI_DEVFN_GBE: return "GLAN";
+ }
+ printk(BIOS_ERR, "Missing ACPI Name for PCI: 00:%02x.%01x\n",
+ PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
+ return NULL;
+}
+#endif
+
+#if CONFIG(SOC_INTEL_STORE_ISH_FW_VERSION)
+/* SoC override API to identify if ISH Firmware existed inside CSE FPT */
+bool soc_is_ish_partition_enabled(void)
+{
+ struct device *ish = pcidev_path_on_root(PCI_DEVFN_ISH);
+ uint16_t ish_pci_id = ish ? pci_read_config16(ish, PCI_DEVICE_ID) : 0xFFFF;
+
+ if (ish_pci_id == 0xFFFF)
+ return false;
+
+ return true;
+}
+#endif
+
+/* SoC routine to fill GPIO PM mask and value for GPIO_MISCCFG register */
+static void soc_fill_gpio_pm_configuration(void)
+{
+ uint8_t value[TOTAL_GPIO_COMM];
+ const config_t *config = config_of_soc();
+
+ if (config->gpio_override_pm)
+ memcpy(value, config->gpio_pm, sizeof(value));
+ else
+ memset(value, MISCCFG_GPIO_PM_CONFIG_BITS, sizeof(value));
+
+ gpio_pm_configure(value, TOTAL_GPIO_COMM);
+}
+
+/* Enable tracehub in device tree */
+static void soc_enable_tracehub(void)
+{
+ struct device *dev;
+
+ dev = pcidev_path_on_root(PCI_DEVFN_NPK);
+ if (dev) {
+ dev->enabled = 1;
+ printk(BIOS_DEBUG, "Tracehub is enabled.\n");
+ }
+}
+
+void soc_init_pre_device(void *chip_info)
+{
+ config_t *config = config_of_soc();
+ if (config == NULL) {
+ printk(BIOS_ERR, "Error: Configuration could not be retrieved.\n");
+ return;
+ }
+ /* Validate TBT image authentication */
+ config->tbt_authentication = ioe_p2sb_sbi_read(PID_IOM,
+ IOM_CSME_IMR_TBT_STATUS) & TBT_VALID_AUTHENTICATION;
+
+ if (CONFIG(SOC_INTEL_COMMON_BLOCK_TRACEHUB))
+ soc_enable_tracehub();
+
+ /* Perform silicon specific init. */
+ fsp_silicon_init();
+
+ /* Display FIRMWARE_VERSION_INFO_HOB */
+ fsp_display_fvi_version_hob();
+
+ soc_fill_gpio_pm_configuration();
+
+ /* Swap enabled PCI ports in device tree if needed. */
+ pcie_rp_update_devicetree(get_pcie_rp_table());
+
+ /* Swap enabled TBT root ports in device tree if needed. */
+ pcie_rp_update_devicetree(get_tbt_pcie_rp_table());
+
+ /*
+ * Earlier when coreboot used to send EOP at late as possible caused
+ * issue of delayed response from CSE since CSE was busy loading payload.
+ * To resolve the issue, EOP should be sent earlier than current sequence
+ * in the boot sequence at BS_DEV_INIT.
+ *
+ * Intel CSE team recommends to send EOP close to FW init (between FSP-S
+ * exit and current boot sequence) to reduce message response time from
+ * CSE hence moving sending EOP to earlier stage.
+ */
+ if (CONFIG(SOC_INTEL_CSE_SEND_EOP_EARLY) || CONFIG(SOC_INTEL_CSE_SEND_EOP_ASYNC)) {
+ printk(BIOS_INFO, "Sending EOP early from SoC\n");
+ cse_send_end_of_post();
+ }
+}
+
+static void cpu_fill_ssdt(const struct device *dev)
+{
+ if (!generate_pin_irq_map())
+ printk(BIOS_ERR, "Failed to generate ACPI _PRT table!\n");
+
+ generate_cpu_entries(dev);
+}
+
+static void cpu_set_north_irqs(struct device *dev)
+{
+ irq_program_non_pch();
+}
+
+static struct device_operations pci_domain_ops = {
+ .read_resources = &pci_domain_read_resources,
+ .set_resources = &pci_domain_set_resources,
+ .scan_bus = &pci_host_bridge_scan_bus,
+#if CONFIG(HAVE_ACPI_TABLES)
+ .acpi_name = &soc_acpi_name,
+ .acpi_fill_ssdt = ssdt_set_above_4g_pci,
+#endif
+};
+
+static struct device_operations cpu_bus_ops = {
+ .read_resources = noop_read_resources,
+ .set_resources = noop_set_resources,
+ .enable_resources = cpu_set_north_irqs,
+#if CONFIG(HAVE_ACPI_TABLES)
+ .acpi_fill_ssdt = cpu_fill_ssdt,
+#endif
+};
+
+static void soc_enable(struct device *dev)
+{
+ /*
+ * Set the operations if it is a special bus type or a hidden PCI
+ * device.
+ */
+ if (dev->path.type == DEVICE_PATH_DOMAIN)
+ dev->ops = &pci_domain_ops;
+ else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER)
+ dev->ops = &cpu_bus_ops;
+ else if (dev->path.type == DEVICE_PATH_PCI &&
+ dev->path.pci.devfn == PCI_DEVFN_PMC)
+ dev->ops = &pmc_ops;
+ else if (dev->path.type == DEVICE_PATH_PCI &&
+ dev->path.pci.devfn == PCI_DEVFN_P2SB)
+ dev->ops = &pcd_p2sb_ops;
+ else if (dev->path.type == DEVICE_PATH_PCI &&
+ dev->path.pci.devfn == PCI_DEVFN_P2SB2)
+ dev->ops = &pcd_p2sb_2_ops;
+ else if (dev->path.type == DEVICE_PATH_GPIO)
+ block_gpio_enable(dev);
+}
+
+static void soc_init_final_device(void *chip_info)
+{
+ uint32_t reset_status = fsp_get_pch_reset_status();
+
+ if (reset_status == FSP_SUCCESS)
+ return;
+
+ /* Handle any pending reset request from previously executed FSP APIs */
+ fsp_handle_reset(reset_status);
+
+ /* Control shouldn't return here */
+ die_with_post_code(POSTCODE_HW_INIT_FAILURE,
+ "Failed to handle the FSP reset request with error 0x%08x\n", reset_status);
+}
+
+struct chip_operations soc_intel_pantherlake_ops = {
+ .name = "Intel Pantherlake",
+ .enable_dev = &soc_enable,
+ .init = &soc_init_pre_device,
+ .final = &soc_init_final_device,
+};
diff --git a/src/soc/intel/pantherlake/chip.h b/src/soc/intel/pantherlake/chip.h
index d1dbe444e4..27d766f584 100644
--- a/src/soc/intel/pantherlake/chip.h
+++ b/src/soc/intel/pantherlake/chip.h
@@ -3,7 +3,9 @@
#ifndef _SOC_PANTHERLAKE_CHIP_H_
#define _SOC_PANTHERLAKE_CHIP_H_
+#include <device/pci_ids.h>
#include <drivers/i2c/designware/dw_i2c.h>
+#include <gpio.h>
#include <intelblocks/cfg.h>
#include <intelblocks/gpio.h>
#include <intelblocks/gspi.h>
@@ -20,11 +22,14 @@
/* Define config parameters for In-Band ECC (IBECC). */
#define MAX_IBECC_REGIONS 8
+#define MAX_SAGV_POINTS 4
+#define MAX_HD_AUDIO_SDI_LINKS 2
+
/* In-Band ECC Operation Mode */
enum ibecc_mode {
IBECC_MODE_PER_REGION,
IBECC_MODE_NONE,
- IBECC_MODE_ALL
+ IBECC_MODE_ALL,
};
struct ibecc_config {
@@ -36,14 +41,32 @@ struct ibecc_config {
uint16_t region_mask[MAX_IBECC_REGIONS];
};
-/* Types of different SKUs */
enum soc_intel_pantherlake_power_limits {
- PTL_U_15W_POWER_LIMITS,
- PTL_H_25W_POWER_LIMITS,
- PTL_H_45W_POWER_LIMITS,
+ PTL_U_1_CORE,
+ PTL_H_1_CORE,
+ PTL_H_2_CORE,
+ PTL_H_3_CORE,
PTL_POWER_LIMITS_COUNT,
};
+/* TDP values for different SKUs */
+enum soc_intel_pantherlake_cpu_tdps {
+ TDP_15W = 15,
+ TDP_25W = 25,
+ TDP_45W = 45,
+};
+
+/* Mapping of different SKUs based on CPU ID and TDP values */
+static const struct {
+ unsigned int cpu_id;
+ enum soc_intel_pantherlake_power_limits limits;
+ enum soc_intel_pantherlake_cpu_tdps cpu_tdp;
+} cpuid_to_ptl[] = {
+ { PCI_DID_INTEL_PTL_U_ID_1, PTL_U_1_CORE, TDP_15W },
+ { PCI_DID_INTEL_PTL_H_ID_1, PTL_H_1_CORE, TDP_25W },
+ { PCI_DID_INTEL_PTL_H_ID_2, PTL_H_3_CORE, TDP_45W },
+};
+
/* Types of display ports */
enum ddi_ports {
DDI_PORT_A,
@@ -61,6 +84,70 @@ enum ddi_port_flags {
DDI_ENABLE_HPD = BIT(1), /* Hot Plug Detect */
};
+/*
+ * TODO: Update as per PTL spec
+ * The Max Pkg Cstate
+ * Values 0 - C0/C1, 1 - C2, 2 - C3, 3 - C6, 4 - C7, 5 - C7S, 6 - C8, 7 - C9, 8 - C10,
+ * 254 - CPU Default , 255 - Auto.
+ */
+enum pkgcstate_limit {
+ LIMIT_C0_C1 = 0,
+ LIMIT_C2 = 1,
+ LIMIT_C3 = 2,
+ LIMIT_C6 = 3,
+ LIMIT_C7 = 4,
+ LIMIT_C7S = 5,
+ LIMIT_C8 = 6,
+ LIMIT_C9 = 7,
+ LIMIT_C10 = 8,
+ LIMIT_CPUDEFAULT = 254,
+ LIMIT_AUTO = 255,
+};
+
+/* Bit values for use in LpmStateEnableMask. */
+enum lpm_state_mask {
+ LPM_S0i2_0 = BIT(0),
+ LPM_S0i2_1 = BIT(1),
+ LPM_S0i2_2 = BIT(2),
+ LPM_S0i3_0 = BIT(3),
+ LPM_S0i3_1 = BIT(4),
+ LPM_S0i3_2 = BIT(5),
+ LPM_S0i3_3 = BIT(6),
+ LPM_S0i3_4 = BIT(7),
+ LPM_S0iX_ALL = LPM_S0i2_0 | LPM_S0i2_1 | LPM_S0i2_2
+ | LPM_S0i3_0 | LPM_S0i3_1 | LPM_S0i3_2 | LPM_S0i3_3 | LPM_S0i3_4,
+};
+
+/*
+ * As per definition from FSP header:
+ * - [0] for IA
+ * - [1] for GT
+ * - [2] for SA
+ * - [3] through [5] are reserved
+ */
+enum vr_domain {
+ VR_DOMAIN_IA,
+ VR_DOMAIN_GT,
+ VR_DOMAIN_SA,
+ NUM_VR_DOMAINS,
+};
+
+/*
+ * Slew Rate configuration for Deep Package C States for VR domain.
+ * They are fast time divided by 2.
+ * 0 - Fast/2
+ * 1 - Fast/4
+ * 2 - Fast/8
+ * 3 - Fast/16
+ */
+enum slew_rate {
+ SLEW_FAST_2,
+ SLEW_FAST_4,
+ SLEW_FAST_8,
+ SLEW_FAST_16,
+ SLEW_IGNORE = 0xff,
+};
+
struct soc_intel_pantherlake_config {
/* Common struct containing soc config data required by common code */
@@ -70,7 +157,8 @@ struct soc_intel_pantherlake_config {
struct soc_power_limits_config power_limits_config[PTL_POWER_LIMITS_COUNT];
/* Gpio group routed to each dword of the GPE0 block. Values are
- * of the form PMC_GPP_[A:U] or GPD. */
+ * of the form PMC_GPP_[A:U] or GPD.
+ */
uint8_t pmc_gpe0_dw0; /* GPE0_31_0 STS/EN */
uint8_t pmc_gpe0_dw1; /* GPE0_63_32 STS/EN */
uint8_t pmc_gpe0_dw2; /* GPE0_95_64 STS/EN */
@@ -82,44 +170,54 @@ struct soc_intel_pantherlake_config {
uint32_t gen4_dec;
/* Enable S0iX support */
- int s0ix_enable;
+ bool s0ix_enable;
/* Support for TCSS xhci, xdci, TBT PCIe root ports and DMA controllers */
- uint8_t tcss_d3_hot_disable;
+ bool tcss_d3_hot_disable;
/* Support for TBT PCIe root ports and DMA controllers with D3Hot->D3Cold */
- uint8_t TcssD3ColdDisable;
+ bool tcss_d3_cold_disable;
/* Enable DPTF support */
- int dptf_enable;
+ bool dptf_enable;
/* Deep SX enable for both AC and DC */
- int deep_s3_enable_ac;
- int deep_s3_enable_dc;
- int deep_s5_enable_ac;
- int deep_s5_enable_dc;
+ bool deep_s3_enable_ac;
+ bool deep_s3_enable_dc;
+ bool deep_s5_enable_ac;
+ bool deep_s5_enable_dc;
/* Deep Sx Configuration
* DSX_EN_WAKE_PIN - Enable WAKE# pin
* DSX_EN_LAN_WAKE_PIN - Enable LAN_WAKE# pin
- * DSX_DIS_AC_PRESENT_PD - Disable pull-down on AC_PRESENT pin */
+ * DSX_DIS_AC_PRESENT_PD - Disable pull-down on AC_PRESENT pin
+ */
uint32_t deep_sx_config;
/* TCC activation offset */
uint32_t tcc_offset;
+ /* In-Band ECC (IBECC) configuration */
+ struct ibecc_config ibecc;
+
/* System Agent dynamic frequency support. Only effects ULX/ULT CPUs.
* When enabled memory will be training at two different frequencies.
- * 0:Disabled, 1:FixedPoint0, 2:FixedPoint1, 3:FixedPoint2,
- * 4:FixedPoint3, 5:Enabled */
+ * 0:Disabled, 1:Enabled
+ */
enum {
- SaGv_Disabled,
- SaGv_FixedPoint0,
- SaGv_FixedPoint1,
- SaGv_FixedPoint2,
- SaGv_FixedPoint3,
- SaGv_Enabled,
+ SAGV_DISABLED,
+ SAGV_ENABLED,
} sagv;
- /* Rank Margin Tool. 1:Enable, 0:Disable */
- uint8_t rmt;
+ /* System Agent dynamic frequency work points that memory will be training
+ * at the enabled frequencies. Possible work points are:
+ * 0x3:Points0_1, 0x7:Points0_1_2, 0xF:AllPoints0_1_2_3
+ */
+ enum {
+ SAGV_POINTS_0_1 = 0x03,
+ SAGV_POINTS_0_1_2 = 0x07,
+ SAGV_POINTS_0_1_2_3 = 0x0f,
+ } sagv_wp_bitmap;
+
+ /* Rank Margin Tool. true:Enable, false:Disable */
+ bool rmt;
/* USB related */
struct usb2_port_config usb2_ports[CONFIG_SOC_INTEL_USB2_DEV_MAX];
@@ -137,7 +235,9 @@ struct soc_intel_pantherlake_config {
bool tbt_authentication;
/* Audio related */
- uint8_t pch_hda_dsp_enable;
+ bool pch_hda_audio_link_hda_enable;
+ bool pch_hda_dsp_enable;
+ bool pch_hda_sdi_enable[MAX_HD_AUDIO_SDI_LINKS];
/* iDisp-Link T-Mode 0: 2T, 2: 4T, 3: 8T, 4: 16T */
enum {
@@ -178,31 +278,60 @@ struct soc_intel_pantherlake_config {
IGD_SM_52MB = 0xFC,
IGD_SM_56MB = 0xFD,
IGD_SM_60MB = 0xFE,
- } IgdDvmt50PreAlloc;
+ } igd_dvmt50_pre_alloc;
+
bool skip_ext_gfx_scan;
- /* CNVi WiFi Core Enable/Disable */
- bool cnvi_wifi_core;
+ /* Enable/Disable EIST. true:Enabled, false:Disabled */
+ bool eist_enable;
- /* CNVi BT Core Enable/Disable */
- bool cnvi_bt_core;
+ /*
+ * When enabled, this feature makes the SoC throttle when the power
+ * consumption exceeds the I_TRIP threshold.
+ *
+ * FSPs sets a by default I_TRIP threshold adapted to the current SoC
+ * and assuming a Voltage Regulator error accuracy of 6.5%.
+ */
+ bool enable_fast_vmode[NUM_VR_DOMAINS];
- /* CNVi BT Audio Offload: Enable/Disable BT Audio Offload. */
- bool cnvi_bt_audio_offload;
+ /*
+ * Current Excursion Protection needs to be set for each VR domain
+ * in order to be able to enable fast Vmode.
+ */
+ bool cep_enable[NUM_VR_DOMAINS];
- /* In-Band ECC (IBECC) configuration */
- struct ibecc_config ibecc;
+ /*
+ * VR Fast Vmode I_TRIP threshold.
+ * 0-255A in 1/4 A units. Example: 400 = 100A
+ * This setting overrides the default value set by FSPs when Fast VMode
+ * is enabled.
+ */
+ uint16_t fast_vmode_i_trip[NUM_VR_DOMAINS];
- /* HeciEnabled decides the state of Heci1 at end of boot
- * Setting to 0 (default) disables Heci1 and hides the device from OS */
- uint8_t HeciEnabled;
+ /*
+ * Power state current threshold 1.
+ * Defined in 1/4 A increments. A value of 400 = 100A. Range 0-512,
+ * which translates to 0-128A. 0 = AUTO. [0] for IA, [1] for GT, [2] for
+ * SA, [3] through [5] are Reserved.
+ */
+ uint16_t ps_cur_1_threshold[NUM_VR_DOMAINS];
- /* Enable/Disable EIST. 1b:Enabled, 0b:Disabled */
- uint8_t eist_enable;
+ /*
+ * Power state current threshold 2.
+ * Defined in 1/4 A increments. A value of 400 = 100A. Range 0-512,
+ * which translates to 0-128A. 0 = AUTO. [0] for IA, [1] for GT, [2] for
+ * SA, [3] through [5] are Reserved.
+ */
+ uint16_t ps_cur_2_threshold[NUM_VR_DOMAINS];
+
+ /*
+ * Power state current threshold 3.
+ * Defined in 1/4 A increments. A value of 400 = 100A. Range 0-512,
+ * which translates to 0-128A. 0 = AUTO. [0] for IA, [1] for GT, [2] for
+ * SA, [3] through [5] are Reserved.
+ */
+ uint16_t ps_cur_3_threshold[NUM_VR_DOMAINS];
- /* Enable C6 DRAM */
- uint8_t enable_c6dram;
- uint8_t PmTimerDisabled;
/*
* SerialIO device mode selection:
* PchSerialIoDisabled,
@@ -211,21 +340,30 @@ struct soc_intel_pantherlake_config {
* PchSerialIoLegacyUart,
* PchSerialIoSkipInit
*/
- uint8_t SerialIoI2cMode[CONFIG_SOC_INTEL_I2C_DEV_MAX];
- uint8_t SerialIoGSpiMode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
- uint8_t SerialIoUartMode[CONFIG_SOC_INTEL_UART_DEV_MAX];
+ uint8_t serial_io_i2c_mode[CONFIG_SOC_INTEL_I2C_DEV_MAX];
+ uint8_t serial_io_gspi_mode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+ uint8_t serial_io_uart_mode[CONFIG_SOC_INTEL_UART_DEV_MAX];
/*
* GSPIn Default Chip Select Mode:
* 0:Hardware Mode,
* 1:Software Mode
*/
- uint8_t SerialIoGSpiCsMode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+ uint8_t serial_io_gspi_cs_mode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
/*
* GSPIn Default Chip Select State:
* 0: Low,
* 1: High
*/
- uint8_t SerialIoGSpiCsState[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+ uint8_t serial_io_gspi_cs_state[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+
+ /* CNVi WiFi Core Enable/Disable */
+ bool cnvi_wifi_core;
+
+ /* CNVi BT Core Enable/Disable */
+ bool cnvi_bt_core;
+
+ /* CNVi BT Audio Offload: Enable/Disable BT Audio Offload. */
+ bool cnvi_bt_audio_offload;
/* Debug interface selection */
enum {
@@ -288,11 +426,6 @@ struct soc_intel_pantherlake_config {
/* Enable(1)/Disable(0) HPD/DDC */
uint8_t ddi_ports_config[DDI_PORT_COUNT];
- /* Hybrid storage mode enable (1) / disable (0)
- * This mode makes FSP detect Optane and NVME and set PCIe lane mode
- * accordingly */
- uint8_t HybridStorageMode;
-
/*
* Override CPU flex ratio value:
* CPU ratio value controls the maximum processor non-turbo ratio.
@@ -307,25 +440,78 @@ struct soc_intel_pantherlake_config {
uint8_t cpu_ratio_override;
/*
- * Enable(0)/Disable(1) DMI Power Optimizer on PCH side.
- * Default 0. Setting this to 1 disables the DMI Power Optimizer.
+ * Enable(true)/Disable(false) CPU Replacement check.
+ * Default false. Setting this to true to check CPU replacement.
*/
- uint8_t DmiPwrOptimizeDisable;
-
- /*
- * Enable(1)/Disable(0) CPU Replacement check.
- * Default 0. Setting this to 1 to check CPU replacement.
- */
- uint8_t cpu_replacement_check;
+ bool cpu_replacement_check;
/* ISA Serial Base selection. */
enum {
ISA_SERIAL_BASE_ADDR_3F8,
ISA_SERIAL_BASE_ADDR_2F8,
- } IsaSerialUartBase;
+ } isa_serial_uart_base;
+
+ /*
+ * Enable or Disable C1 C-state Auto Demotion & un-demotion
+ * The algorithm looks at the behavior of the wake up tracker, how
+ * often it is waking up, and based on that it demote the c-state.
+ * Default false. Set this to true in order to disable C1-state auto
+ * demotion.
+ * NOTE: Un-Demotion from Demoted C1 needs to be disabled when
+ * C1 C-state Auto Demotion is disabled.
+ */
+ bool disable_c1_state_auto_demotion;
+
+ /*
+ * Enable or Disable Package C-state Demotion.
+ * Default is set to false.
+ * Set this to true in order to disable Package C-state demotion.
+ * NOTE: Un-Demotion from demoted Package C-state needs to be disabled
+ * when auto demotion is disabled.
+ */
+ bool disable_package_c_state_demotion;
+
+ /* Enable PCH to CPU energy report feature. */
+ bool pch_pm_energy_report_enable;
+
+ /* Energy-Performance Preference (HWP feature) */
+ bool enable_energy_perf_pref;
+ uint8_t energy_perf_pref_value;
+
+ bool disable_vmx;
+
+ /*
+ * SAGV Frequency per point in Mhz. 0 is Auto, otherwise holds the
+ * frequency value expressed as an integer. For example: 1867
+ */
+ uint16_t sagv_freq_mhz[MAX_SAGV_POINTS];
+
+ /* Gear Selection for SAGV points. 0: Auto, 1: Gear 1, 2: Gear 2, 4: Gear 4 */
+ uint8_t sagv_gear[MAX_SAGV_POINTS];
+
+ /*
+ * Enable or Disable Reduced BasicMemoryTest size.
+ * Default is set to false.
+ * Set this to true in order to reduce BasicMemoryTest size
+ */
+ bool lower_basic_mem_test_size;
+
+ /* Platform Power Pmax in Watts. Zero means automatic. */
+ uint16_t psys_pmax_watts;
+
+ /* Platform Power Limit 2 in Watts. */
+ uint16_t psys_pl2_watts;
+
+ /* Enable or Disable Acoustic Noise Mitigation feature */
+ bool enable_acoustic_noise_mitigation;
+ /* Disable Fast Slew Rate for Deep Package C States for VR domains */
+ bool disable_fast_pkgc_ramp[NUM_VR_DOMAINS];
+ /*
+ * Slew Rate configuration for Deep Package C States for VR domains
+ * as per `enum slew_rate` data type.
+ */
+ uint8_t slow_slew_rate_config[NUM_VR_DOMAINS];
- /* USB overcurrent pin mapping */
- uint8_t pch_usb_oc_enable;
};
typedef struct soc_intel_pantherlake_config config_t;
diff --git a/src/soc/intel/pantherlake/chipset.cb b/src/soc/intel/pantherlake/chipset.cb
index 91e21c09f7..4f6c8e0436 100644
--- a/src/soc/intel/pantherlake/chipset.cb
+++ b/src/soc/intel/pantherlake/chipset.cb
@@ -2,12 +2,24 @@ chip soc/intel/pantherlake
device cpu_cluster 0 on end
- register "power_limits_config[PTL_U_15W_POWER_LIMITS]" = "{
+ register "power_limits_config[PTL_U_1_CORE]" = "{
.tdp_pl1_override = 15,
.tdp_pl2_override = 54,
.tdp_pl4 = 142,
}"
+ register "power_limits_config[PTL_H_1_CORE]" = "{
+ .tdp_pl1_override = 25,
+ .tdp_pl2_override = 64,
+ .tdp_pl4 = 154,
+ }"
+
+ register "power_limits_config[PTL_H_2_CORE]" = "{
+ .tdp_pl1_override = 25,
+ .tdp_pl2_override = 80,
+ .tdp_pl4 = 240,
+ }"
+
# NOTE: if any variant wants to override this value, use the same format
# as register "common_soc_config.pch_thermal_trip" = "value", instead of
# putting it under register "common_soc_config" in overridetree.cb file.
@@ -116,7 +128,7 @@ chip soc/intel/pantherlake
end
end
end
- device pci 14.2 alias shared_sram off end
+ device pci 14.2 alias pmc_shared_sram off end
device pci 14.3 alias cnvi_wifi off end
device pci 14.7 alias cnvi_bluetooth off end
device pci 14.5 alias ieh off end
diff --git a/src/soc/intel/pantherlake/cpu.c b/src/soc/intel/pantherlake/cpu.c
new file mode 100644
index 0000000000..13a1d9ea24
--- /dev/null
+++ b/src/soc/intel/pantherlake/cpu.c
@@ -0,0 +1,226 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <assert.h>
+#include <console/console.h>
+#include <cpu/cpu.h>
+#include <cpu/intel/common/common.h>
+#include <cpu/intel/microcode.h>
+#include <cpu/intel/smm_reloc.h>
+#include <cpu/intel/turbo.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/x86/mp.h>
+#include <cpu/x86/msr.h>
+#include <device/pci.h>
+#include <fsp/api.h>
+#include <intelblocks/acpi.h>
+#include <intelblocks/cpulib.h>
+#include <intelblocks/mp_init.h>
+#include <intelblocks/msr.h>
+#include <soc/cpu.h>
+#include <soc/msr.h>
+#include <soc/pci_devs.h>
+#include <soc/soc_chip.h>
+#include <soc/soc_info.h>
+
+bool cpu_soc_is_in_untrusted_mode(void)
+{
+ msr_t msr;
+
+ msr = rdmsr(MSR_BIOS_DONE);
+ return !!(msr.lo & ENABLE_IA_UNTRUSTED);
+}
+
+void cpu_soc_bios_done(void)
+{
+ msr_t msr;
+
+ msr = rdmsr(MSR_BIOS_DONE);
+ msr.lo |= ENABLE_IA_UNTRUSTED;
+ wrmsr(MSR_BIOS_DONE, msr);
+}
+
+uint8_t get_supported_lpm_mask(void)
+{
+ return LPM_S0i2_0 | LPM_S0i2_1 | LPM_S0i2_2;
+}
+
+static void soc_fsp_load(void)
+{
+ fsps_load();
+}
+
+static void configure_misc(void)
+{
+ msr_t msr;
+
+ config_t *conf = (config_t *)config_of_soc();
+
+ msr = rdmsr(IA32_MISC_ENABLE);
+ msr.lo |= FAST_STRINGS_ENABLE_BIT;
+ msr.lo |= TM1_TM2_EMTTM_ENABLE_BIT;
+ wrmsr(IA32_MISC_ENABLE, msr);
+
+ /* Set EIST status */
+ cpu_set_eist(conf->eist_enable);
+
+ /* Disable Thermal interrupts */
+ msr.lo = 0;
+ msr.hi = 0;
+ wrmsr(IA32_THERM_INTERRUPT, msr);
+
+ /* Enable package critical interrupt only */
+ msr.lo = CRITICAL_TEMP_INTERRUPT_ENABLE;
+ msr.hi = 0;
+ wrmsr(IA32_PACKAGE_THERM_INTERRUPT, msr);
+
+ /* Enable PROCHOT and Power Performance Platform Override */
+ msr = rdmsr(MSR_POWER_CTL);
+ msr.lo |= ENABLE_BIDIR_PROCHOT;
+ msr.lo |= VR_THERM_ALERT_DISABLE_LOCK;
+ msr.lo |= PWR_PERF_PLATFORM_OVR;
+ wrmsr(MSR_POWER_CTL, msr);
+}
+
+enum core_type get_soc_cpu_type(void)
+{
+ if (cpu_is_hybrid_supported())
+ return cpu_get_cpu_type();
+
+ return CPUID_CORE_TYPE_INTEL_CORE;
+}
+
+bool soc_is_nominal_freq_supported(void)
+{
+ return true;
+}
+
+static void enable_x2apic(void)
+{
+ if (!CONFIG(X2APIC_LATE_WORKAROUND))
+ return;
+
+ enable_lapic_mode(true);
+}
+
+/* All CPUs including BSP will run the following function. */
+void soc_core_init(struct device *cpu)
+{
+ /* Clear out pending MCEs */
+ mca_configure();
+
+ enable_x2apic();
+
+ enable_lapic_tpr();
+
+ /* Configure Enhanced SpeedStep and Thermal Sensors */
+ configure_misc();
+
+ enable_pm_timer_emulation();
+
+ /* Enable Direct Cache Access */
+ configure_dca_cap();
+
+ /* Set energy policy */
+ set_energy_perf_bias(ENERGY_POLICY_NORMAL);
+
+ const config_t *conf = config_of_soc();
+ /* Set energy-performance preference */
+ if (conf != NULL && conf->enable_energy_perf_pref) {
+ if (check_energy_perf_cap())
+ set_energy_perf_pref(conf->energy_perf_pref_value);
+ }
+
+ /* Enable Turbo */
+ enable_turbo();
+
+ /* Set core type in struct cpu_info */
+ set_dev_core_type();
+
+ if (CONFIG(INTEL_TME) && is_tme_supported())
+ set_tme_core_activate();
+
+ /* TODO: Add support for DROP_CPU_FEATURE_PROGRAM_IN_FSP */
+}
+
+static void per_cpu_smm_trigger(void)
+{
+ /* Relocate the SMM handler. */
+ smm_relocate();
+}
+
+static void pre_mp_init(void)
+{
+ soc_fsp_load();
+
+ const config_t *conf = config_of_soc();
+ if (conf == NULL) {
+ printk(BIOS_ERR, "Configuration could not be retrieved.\n");
+ return;
+ }
+ if (conf->enable_energy_perf_pref) {
+ if (check_energy_perf_cap())
+ enable_energy_perf_pref();
+ else
+ printk(BIOS_WARNING, "Energy Performance Preference not supported!\n");
+ }
+}
+
+static void post_mp_init(void)
+{
+ /* Set Max Ratio */
+ cpu_set_max_ratio();
+
+ /*
+ * 1. Now that all APs have been relocated as well as the BSP let SMIs
+ * start flowing.
+ * 2. Skip enabling power button SMI and enable it after BS_CHIPS_INIT
+ * to avoid shutdown hang due to lack of init on certain IP in FSP-S.
+ */
+ global_smi_enable_no_pwrbtn();
+}
+
+static const struct mp_ops mp_ops = {
+ /*
+ * Skip Pre MP init MTRR programming as MTRRs are mirrored from BSP,
+ * that are set prior to ramstage.
+ * Real MTRRs programming are being done after resource allocation.
+ */
+ .pre_mp_init = pre_mp_init,
+ .get_cpu_count = get_cpu_count,
+ .get_smm_info = smm_info,
+ .get_microcode_info = get_microcode_info,
+ .pre_mp_smm_init = smm_initialize,
+ .per_cpu_smm_trigger = per_cpu_smm_trigger,
+ .relocation_handler = smm_relocation_handler,
+ .post_mp_init = post_mp_init,
+};
+
+void mp_init_cpus(struct bus *cpu_bus)
+{
+ if (mp_init_with_smm(cpu_bus, &mp_ops))
+ printk(BIOS_ERR, "MP initialization failure.\n");
+
+ /* Thermal throttle activation offset */
+ configure_tcc_thermal_target();
+}
+
+int soc_skip_ucode_update(u32 current_patch_id, u32 new_patch_id)
+{
+ if (!CONFIG(CHROMEOS))
+ return 0;
+ /*
+ * Locked RO Descriptor Implications:
+ *
+ * - A locked descriptor signals the RO binary is fixed; the FIT will load the
+ * RO's microcode during system reset.
+ * - Attempts to load newer microcode from the RW CBFS will cause a boot-time
+ * delay (~60ms, core-dependent), as the microcode must be reloaded on BSP+APs.
+ * - The kernel can load microcode updates without impacting AP FW boot time.
+ * - Skipping RW CBFS microcode loading is low-risk when the RO is locked,
+ * prioritizing fast boot times.
+ */
+ if (CONFIG(LOCK_MANAGEMENT_ENGINE) && current_patch_id)
+ return 1;
+
+ return 0;
+}
diff --git a/src/soc/intel/pantherlake/crashlog.c b/src/soc/intel/pantherlake/crashlog.c
new file mode 100644
index 0000000000..d94f4c5476
--- /dev/null
+++ b/src/soc/intel/pantherlake/crashlog.c
@@ -0,0 +1,516 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <arch/bert_storage.h>
+#include <console/console.h>
+#include <cpu/cpu.h>
+#include <cpu/intel/cpu_ids.h>
+#include <delay.h>
+#include <device/pci_ops.h>
+#include <intelblocks/crashlog.h>
+#include <intelblocks/pmc_ipc.h>
+#include <soc/crashlog.h>
+#include <soc/iomap.h>
+#include <soc/pci_devs.h>
+#include <string.h>
+
+#define CONTROL_INTERFACE_OFFSET 0x5
+#define CRASHLOG_NODES_COUNT 0x2
+#define CRASHLOG_PUNIT_STORAGE_OFF_MASK BIT(24)
+#define CRASHLOG_RE_ARM_STATUS_MASK BIT(25)
+#define CRASHLOG_CONSUMED_MASK BIT(31)
+
+/* Global crashLog info */
+static bool m_pmc_crash_log_support;
+static bool m_pmc_crash_log_present;
+static bool m_cpu_crash_log_support;
+static bool m_cpu_crash_log_present;
+static u32 m_pmc_crash_log_size;
+static u32 m_cpu_crash_log_size;
+static u32 cpu_crash_version;
+static pmc_ipc_discovery_buf_t discovery_buf;
+static pmc_crashlog_desc_table_t descriptor_table;
+static tel_crashlog_devsc_cap_t cpu_cl_devsc_cap;
+static cpu_crashlog_discovery_table_t cpu_cl_disc_tab;
+static uintptr_t disc_tab_addr;
+
+static u64 get_disc_tab_header(void)
+{
+ return read64p(disc_tab_addr);
+}
+
+/* Get the SRAM BAR. */
+static uintptr_t get_sram_bar(pci_devfn_t sram_devfn)
+{
+ const struct device *dev;
+ struct resource *res;
+
+ dev = pcidev_path_on_root(sram_devfn);
+ if (!dev) {
+ printk(BIOS_ERR, "device: 0x%x not found!\n", sram_devfn);
+ return 0;
+ }
+
+ res = probe_resource(dev, PCI_BASE_ADDRESS_0);
+ if (!res) {
+ printk(BIOS_ERR, "SOC SRAM device not found!\n");
+ return 0;
+ }
+
+ /* Return the base address of the resource */
+ return res->base;
+}
+
+static void configure_sram(const struct device *sram_dev, uintptr_t base_addr)
+{
+ pci_update_config16(sram_dev, PCI_COMMAND, ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY), 0);
+
+ /* Program BAR 0 and enable command register memory space decoding */
+ pci_write_config32(sram_dev, PCI_BASE_ADDRESS_0, base_addr);
+ pci_or_config16(sram_dev, PCI_COMMAND, PCI_COMMAND_MEMORY);
+}
+
+void cl_get_pmc_sram_data(cl_node_t *head)
+{
+ uintptr_t pmc_sram_base = cl_get_cpu_tmp_bar();
+ u32 pmc_crashLog_size = cl_get_pmc_record_size();
+ cl_node_t *cl_cur = head;
+
+ if (!pmc_crashLog_size) {
+ printk(BIOS_ERR, "No PMC crashlog records\n");
+ return;
+ }
+
+ if (!pmc_sram_base) {
+ printk(BIOS_ERR, "PMC SRAM base not valid\n");
+ return;
+ }
+
+ if (!cl_pmc_sram_has_mmio_access())
+ return;
+
+ printk(BIOS_DEBUG, "PMC crashLog size : 0x%x\n", pmc_crashLog_size);
+
+ /* Goto tail node */
+ while (cl_cur && cl_cur->next) {
+ cl_cur = cl_cur->next;
+ }
+
+ /* Process crashlog records */
+ for (int i = 0; i < descriptor_table.numb_regions + 1; i++) {
+ uintptr_t sram_base = 0;
+ bool pmc_sram = true;
+ printk(BIOS_DEBUG, "Region[0x%x].Tag=0x%x offset=0x%x, size=0x%x\n",
+ i,
+ descriptor_table.regions[i].bits.assign_tag,
+ descriptor_table.regions[i].bits.offset,
+ descriptor_table.regions[i].bits.size);
+
+ if (!descriptor_table.regions[i].bits.size)
+ continue;
+
+ /*
+ * Region with metadata TAG contains information about BDF entry for SOC PMC SRAM
+ * and IOE SRAM. We don't need to parse this as we already define BDFs in
+ * soc/pci_devs.h for these SRAMs. Also we need to skip this region as it does not
+ * contain any crashlog data.
+ */
+ if (descriptor_table.regions[i].bits.assign_tag ==
+ CRASHLOG_DESCRIPTOR_TABLE_TAG_META) {
+ pmc_crashLog_size -= descriptor_table.regions[i].bits.size *
+ sizeof(u32);
+ printk(BIOS_DEBUG, "Found metadata tag. PMC crashlog size adjusted to: 0x%x\n",
+ pmc_crashLog_size);
+ continue;
+ } else {
+ if (descriptor_table.regions[i].bits.assign_tag ==
+ CRASHLOG_DESCRIPTOR_TABLE_TAG_SOC)
+ sram_base = pmc_sram_base;
+ else
+ continue;
+
+ cl_node_t *cl_node = malloc_cl_node(descriptor_table.regions[i].bits.size);
+
+ if (!cl_node) {
+ printk(BIOS_DEBUG, "failed to allocate cl_node [region = %d]\n", i);
+ goto pmc_send_re_arm_after_reset;
+ }
+
+ if (cl_copy_data_from_sram(sram_base,
+ descriptor_table.regions[i].bits.offset,
+ descriptor_table.regions[i].bits.size,
+ cl_node->data,
+ i,
+ pmc_sram)) {
+ cl_cur->next = cl_node;
+ cl_cur = cl_cur->next;
+ } else {
+ /* Coping data from sram failed */
+ pmc_crashLog_size -= descriptor_table.regions[i].bits.size *
+ sizeof(u32);
+ printk(BIOS_DEBUG, "PMC crashlog size adjusted to: 0x%x\n",
+ pmc_crashLog_size);
+ /* Free cl_node */
+ free_cl_node(cl_node);
+ }
+ }
+ }
+
+ update_new_pmc_crashlog_size(&pmc_crashLog_size);
+
+pmc_send_re_arm_after_reset:
+ /* When bit 7 of discov cmd resp is set -> bit 2 of size field */
+ cl_pmc_re_arm_after_reset();
+
+ /* Clear the SSRAM region after copying the error log */
+ cl_pmc_clear();
+}
+
+bool pmc_cl_discovery(void)
+{
+ uintptr_t bar_addr = 0, desc_table_addr = 0;
+
+ const struct pmc_ipc_buffer req = { 0 };
+ struct pmc_ipc_buffer res;
+ uint32_t cmd_reg;
+ int r;
+
+ cmd_reg = pmc_make_ipc_cmd(PMC_IPC_CMD_CRASHLOG,
+ PMC_IPC_CMD_ID_CRASHLOG_DISCOVERY,
+ PMC_IPC_CMD_SIZE_SHIFT);
+ printk(BIOS_DEBUG, "cmd_reg from pmc_make_ipc_cmd %d in %s\n", cmd_reg, __func__);
+
+ r = pmc_send_ipc_cmd(cmd_reg, &req, &res);
+
+ if (r < 0) {
+ printk(BIOS_ERR, "pmc_send_ipc_cmd failed in %s\n", __func__);
+ return false;
+ }
+ discovery_buf.conv_val_64_bits = ((u64)res.buf[1] << 32) | res.buf[0];
+
+ if ((discovery_buf.conv_bits64.supported != 1) ||
+ (discovery_buf.conv_bits64.discov_mechanism == 0) ||
+ (discovery_buf.conv_bits64.crash_dis_sts == 1)) {
+ printk(BIOS_INFO, "PCH crashlog feature not supported.\n");
+ m_pmc_crash_log_support = false;
+ m_pmc_crash_log_size = 0;
+ printk(BIOS_DEBUG, "discovery_buf supported: %d, mechanism: %d, CrashDisSts: %d\n",
+ discovery_buf.conv_bits64.supported,
+ discovery_buf.conv_bits64.discov_mechanism,
+ discovery_buf.conv_bits64.crash_dis_sts);
+ return false;
+ }
+
+ printk(BIOS_INFO, "PMC crashlog feature is supported.\n");
+ m_pmc_crash_log_support = true;
+
+ /* Program BAR 0 and enable command register memory space decoding */
+ bar_addr = get_sram_bar(PCI_DEVFN_SRAM);
+ if (bar_addr == 0) {
+ printk(BIOS_ERR, "PCH SRAM not available, crashlog feature can't be enabled.\n");
+ return false;
+ }
+
+ configure_sram(PCI_DEV_SRAM, bar_addr);
+
+ desc_table_addr = bar_addr + discovery_buf.conv_bits64.desc_tabl_offset;
+ m_pmc_crash_log_size = pmc_cl_gen_descriptor_table(desc_table_addr,
+ &descriptor_table);
+ printk(BIOS_DEBUG, "PMC CrashLog size in discovery mode: 0x%X\n",
+ m_pmc_crash_log_size);
+ m_pmc_crash_log_present = m_pmc_crash_log_size > 0;
+
+ return true;
+}
+
+uintptr_t cl_get_cpu_bar_addr(void)
+{
+ uintptr_t base_addr = 0;
+ if (cpu_cl_devsc_cap.discovery_data.fields.t_bir_q == TEL_DVSEC_TBIR_BAR0) {
+ base_addr = pci_read_config32(PCI_DEV_TELEMETRY, PCI_BASE_ADDRESS_0) &
+ ~PCI_BASE_ADDRESS_MEM_ATTR_MASK;
+ } else if (cpu_cl_devsc_cap.discovery_data.fields.t_bir_q == TEL_DVSEC_TBIR_BAR1) {
+ base_addr = pci_read_config32(PCI_DEV_TELEMETRY, PCI_BASE_ADDRESS_1) &
+ ~PCI_BASE_ADDRESS_MEM_ATTR_MASK;
+ } else {
+ printk(BIOS_ERR, "Invalid TEL_CFG_BAR value %d, discovery failure expected.\n",
+ cpu_cl_devsc_cap.discovery_data.fields.t_bir_q);
+ }
+
+ return base_addr;
+}
+
+uintptr_t cl_get_cpu_tmp_bar(void)
+{
+ return get_sram_bar(PCI_DEVFN_SRAM);
+}
+
+bool cl_pmc_sram_has_mmio_access(void)
+{
+ if (pci_read_config16(PCI_DEV_SRAM, PCI_VENDOR_ID) == 0xFFFF) {
+ printk(BIOS_ERR, "PMC SSRAM PCI device disabled. Can be enabled in device tree.\n");
+ return false;
+ }
+
+ return true;
+}
+
+static bool cpu_cl_get_capability(tel_crashlog_devsc_cap_t *cl_devsc_cap)
+{
+ cl_devsc_cap->cap_data.data = pci_read_config32(PCI_DEV_TELEMETRY,
+ TEL_DVSEC_OFFSET + TEL_DVSEC_PCIE_CAP_ID);
+ if (cl_devsc_cap->cap_data.fields.pcie_cap_id != TELEMETRY_EXTENDED_CAP_ID) {
+ printk(BIOS_DEBUG, "Read ID for Telemetry: 0x%x differs from expected: 0x%x\n",
+ cl_devsc_cap->cap_data.fields.pcie_cap_id, TELEMETRY_EXTENDED_CAP_ID);
+ return false;
+ }
+
+ /* Walk through the entries until crashLog entry */
+ cl_devsc_cap->devsc_data.data_32[1] = pci_read_config32(PCI_DEV_TELEMETRY, TEL_DVSEV_ID);
+ int new_offset = 0;
+ while (cl_devsc_cap->devsc_data.fields.devsc_id != CRASHLOG_DVSEC_ID) {
+ if (cl_devsc_cap->cap_data.fields.next_cap_offset == 0
+ || cl_devsc_cap->cap_data.fields.next_cap_offset == 0xFFFF) {
+ printk(BIOS_DEBUG, "Read invalid pcie_cap_id value: 0x%x\n",
+ cl_devsc_cap->cap_data.fields.pcie_cap_id);
+ return false;
+ }
+ new_offset = cl_devsc_cap->cap_data.fields.next_cap_offset;
+ cl_devsc_cap->cap_data.data = pci_read_config32(PCI_DEV_TELEMETRY,
+ new_offset + TEL_DVSEC_PCIE_CAP_ID);
+ cl_devsc_cap->devsc_data.data_32[1] = pci_read_config32(PCI_DEV_TELEMETRY,
+ new_offset + TEL_DVSEV_ID);
+ }
+ cpu_crash_version = cl_devsc_cap->devsc_data.fields.devsc_ver;
+
+ cl_devsc_cap->discovery_data.data = pci_read_config32(PCI_DEV_TELEMETRY, new_offset
+ + TEL_DVSEV_DISCOVERY_TABLE_OFFSET);
+
+ return true;
+}
+
+static u32 get_disc_table_offset(void)
+{
+ u32 offset = cpu_cl_devsc_cap.discovery_data.fields.discovery_table_offset;
+
+ return offset;
+}
+
+static bool is_crashlog_data_valid(u32 dw0)
+{
+ return (dw0 != 0x0 && dw0 != INVALID_CRASHLOG_RECORD);
+}
+
+static bool cpu_cl_gen_discovery_table(void)
+{
+ uintptr_t bar_addr = cl_get_cpu_bar_addr();
+
+ if (!bar_addr)
+ return false;
+
+ disc_tab_addr = bar_addr + get_disc_table_offset();
+ memset(&cpu_cl_disc_tab, 0, sizeof(cpu_crashlog_discovery_table_t));
+ cpu_cl_disc_tab.header.data = get_disc_tab_header();
+ /* Check both 32 bit header data and status register for non-zero values */
+ if ((!is_crashlog_data_valid(cpu_cl_disc_tab.header.data & 0xFFFFFFFF)) &&
+ (!is_crashlog_data_valid((cpu_cl_disc_tab.header.data) >> 32)))
+ return false;
+
+ u32 cur_offset = 0;
+ cpu_cl_disc_tab.header.fields.count = CRASHLOG_NODES_COUNT;
+ printk(BIOS_DEBUG, "cpu_crashlog_discovery_table buffer count: 0x%x\n",
+ cpu_cl_disc_tab.header.fields.count);
+ for (int i = 0; i < cpu_cl_disc_tab.header.fields.count; i++) {
+ cur_offset = 8 + 24 * i;
+ u32 cl_buffer_size = read32p(disc_tab_addr + cur_offset + 4);
+ /* Check for buffer size */
+ if (!(is_crashlog_data_valid(cl_buffer_size)))
+ continue;
+
+ u32 dw0 = read32p(disc_tab_addr + cur_offset);
+ if (dw0 & CRASHLOG_CONSUMED_MASK) {
+ printk(BIOS_DEBUG, "cpu crashlog records already consumed."
+ "id: 0x%x dw0: 0x%x\n", i, dw0);
+ break;
+ }
+
+ cpu_cl_disc_tab.buffers[i].data = read64p(disc_tab_addr + cur_offset);
+ printk(BIOS_DEBUG, "cpu_crashlog_discovery_table buffer: 0x%x size: "
+ "0x%x offset: 0x%x\n", i, cpu_cl_disc_tab.buffers[i].fields.size,
+ cpu_cl_disc_tab.buffers[i].fields.offset);
+ m_cpu_crash_log_size += cpu_cl_disc_tab.buffers[i].fields.size * sizeof(u32);
+ }
+
+ if (m_cpu_crash_log_size > 0)
+ m_cpu_crash_log_present = true;
+ else
+ m_cpu_crash_log_present = false;
+
+ return true;
+}
+
+bool cpu_cl_discovery(void)
+{
+ memset(&cpu_cl_devsc_cap, 0, sizeof(tel_crashlog_devsc_cap_t));
+
+ if (!cpu_cl_get_capability(&cpu_cl_devsc_cap)) {
+ printk(BIOS_ERR, "CPU crashlog capability not found.\n");
+ m_cpu_crash_log_support = false;
+ return false;
+ }
+
+ m_cpu_crash_log_support = true;
+
+ if (!cpu_cl_gen_discovery_table()) {
+ printk(BIOS_ERR, "CPU crashlog discovery table not valid.\n");
+ m_cpu_crash_log_present = false;
+ return false;
+ }
+
+ return true;
+}
+
+void reset_discovery_buffers(void)
+{
+ memset(&discovery_buf, 0, sizeof(pmc_ipc_discovery_buf_t));
+ memset(&descriptor_table, 0, sizeof(pmc_crashlog_desc_table_t));
+ memset(&cpu_cl_devsc_cap, 0, sizeof(tel_crashlog_devsc_cap_t));
+}
+
+int cl_get_total_data_size(void)
+{
+ printk(BIOS_DEBUG, "crashlog size:pmc-0x%x, cpu-0x%x\n",
+ m_pmc_crash_log_size, m_cpu_crash_log_size);
+ return m_pmc_crash_log_size + m_cpu_crash_log_size;
+}
+
+static uintptr_t get_control_status_interface(void)
+{
+ if (disc_tab_addr)
+ return (disc_tab_addr + CONTROL_INTERFACE_OFFSET * sizeof(u32));
+ return 0;
+}
+
+int cpu_cl_clear_data(void)
+{
+ return 0;
+}
+
+static bool wait_and_check(u32 bit_mask)
+{
+ u32 stall_cnt = 0;
+
+ do {
+ cpu_cl_disc_tab.header.data = get_disc_tab_header();
+ udelay(CPU_CRASHLOG_WAIT_STALL);
+ stall_cnt++;
+ } while (((cpu_cl_disc_tab.header.data & bit_mask) == 0) &&
+ ((stall_cnt * CPU_CRASHLOG_WAIT_STALL) < CPU_CRASHLOG_WAIT_TIMEOUT));
+
+ return (cpu_cl_disc_tab.header.data & bit_mask);
+}
+
+void cpu_cl_rearm(void)
+{
+ uintptr_t ctrl_sts_intfc_addr = get_control_status_interface();
+
+ if (!ctrl_sts_intfc_addr) {
+ printk(BIOS_ERR, "CPU crashlog control and status interface address not valid\n");
+ return;
+ }
+
+ /* Rearm the CPU crashlog. Crashlog does not get collected if rearming fails */
+ cl_punit_control_interface_t punit_ctrl_intfc;
+ memset(&punit_ctrl_intfc, 0, sizeof(cl_punit_control_interface_t));
+ punit_ctrl_intfc.fields.set_re_arm = 1;
+ write32p(ctrl_sts_intfc_addr, punit_ctrl_intfc.data);
+
+ if (!wait_and_check(CRASHLOG_RE_ARM_STATUS_MASK))
+ printk(BIOS_ERR, "CPU crashlog re_arm not asserted\n");
+ else
+ printk(BIOS_DEBUG, "CPU crashlog re_arm asserted\n");
+}
+
+void cpu_cl_cleanup(void)
+{
+ /* Perform any SOC specific cleanup after reading the crashlog data from SRAM */
+ uintptr_t ctrl_sts_intfc_addr = get_control_status_interface();
+
+ if (!ctrl_sts_intfc_addr) {
+ printk(BIOS_ERR, "CPU crashlog control and status interface address not valid\n");
+ return;
+ }
+
+ /* If storage-off is supported, turn off the PUNIT SRAM
+ * stroage to save power. This clears crashlog records also.
+ */
+
+ if (!cpu_cl_disc_tab.header.fields.storage_off_support) {
+ printk(BIOS_INFO, "CPU crashlog storage_off not supported\n");
+ return;
+ }
+
+ cl_punit_control_interface_t punit_ctrl_intfc;
+ memset(&punit_ctrl_intfc, 0, sizeof(cl_punit_control_interface_t));
+ punit_ctrl_intfc.fields.set_storage_off = 1;
+ write32p(ctrl_sts_intfc_addr, punit_ctrl_intfc.data);
+
+ if (!wait_and_check(CRASHLOG_PUNIT_STORAGE_OFF_MASK))
+ printk(BIOS_ERR, "CPU crashlog storage_off not asserted\n");
+ else
+ printk(BIOS_DEBUG, "CPU crashlog storage_off asserted\n");
+}
+
+pmc_ipc_discovery_buf_t cl_get_pmc_discovery_buf(void)
+{
+ return discovery_buf;
+}
+
+pmc_crashlog_desc_table_t cl_get_pmc_descriptor_table(void)
+{
+ return descriptor_table;
+}
+
+int cl_get_pmc_record_size(void)
+{
+ return m_pmc_crash_log_size;
+}
+
+int cl_get_cpu_record_size(void)
+{
+ return m_cpu_crash_log_size;
+}
+
+bool cl_cpu_data_present(void)
+{
+ return m_cpu_crash_log_present;
+}
+
+bool cl_pmc_data_present(void)
+{
+ return m_pmc_crash_log_present;
+}
+
+bool cpu_crashlog_support(void)
+{
+ return m_cpu_crash_log_support;
+}
+
+bool pmc_crashlog_support(void)
+{
+ return m_pmc_crash_log_support;
+}
+
+void update_new_pmc_crashlog_size(u32 *pmc_crash_size)
+{
+ m_pmc_crash_log_size = *pmc_crash_size;
+}
+
+cpu_crashlog_discovery_table_t cl_get_cpu_discovery_table(void)
+{
+ return cpu_cl_disc_tab;
+}
+
+void update_new_cpu_crashlog_size(u32 *cpu_crash_size)
+{
+ m_cpu_crash_log_size = *cpu_crash_size;
+}
diff --git a/src/soc/intel/pantherlake/cse_telemetry.c b/src/soc/intel/pantherlake/cse_telemetry.c
new file mode 100644
index 0000000000..6a599c9306
--- /dev/null
+++ b/src/soc/intel/pantherlake/cse_telemetry.c
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <console/console.h>
+#include <intelblocks/cse.h>
+#include <timestamp.h>
+
+void soc_cbmem_inject_telemetry_data(s64 *ts, s64 current_time)
+{
+ s64 start_stamp;
+
+ if (!ts) {
+ printk(BIOS_ERR, "%s: Failed to insert CSME timestamps\n", __func__);
+ return;
+ }
+
+ start_stamp = current_time - ts[PERF_DATA_CSME_GET_PERF_RESPONSE];
+
+ timestamp_add(TS_ME_ROM_START, start_stamp);
+ timestamp_add(TS_ME_BOOT_STALL_END,
+ start_stamp + ts[PERF_DATA_CSME_RBE_BOOT_STALL_DONE_TO_PMC]);
+ timestamp_add(TS_ME_ICC_CONFIG_START,
+ start_stamp + ts[PERF_DATA_CSME_GOT_ICC_CFG_START_MSG_FROM_PMC]);
+ timestamp_add(TS_ME_HOST_BOOT_PREP_END,
+ start_stamp + ts[PERF_DATA_CSME_HOST_BOOT_PREP_DONE]);
+ timestamp_add(TS_ME_RECEIVED_CRDA_FROM_PMC,
+ start_stamp + ts[PERF_DATA_PMC_SENT_CRDA]);
+ timestamp_add(TS_ISSE_DMU_LOAD_END,
+ start_stamp + ts[PERF_DATA_ISSE_DMU_LOAD_COMPLETED]);
+}
diff --git a/src/soc/intel/pantherlake/elog.c b/src/soc/intel/pantherlake/elog.c
new file mode 100644
index 0000000000..fce408f222
--- /dev/null
+++ b/src/soc/intel/pantherlake/elog.c
@@ -0,0 +1,220 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootstate.h>
+#include <console/console.h>
+#include <device/pci_ops.h>
+#include <elog.h>
+#include <intelblocks/pmclib.h>
+#include <intelblocks/xhci.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/soc_info.h>
+#include <types.h>
+
+struct pme_map {
+ unsigned int devfn;
+ unsigned int wake_source;
+};
+
+static void pch_log_gpio_gpe(u32 gpe0_sts, u32 gpe0_en, int start)
+{
+ int i;
+
+ gpe0_sts &= gpe0_en;
+
+ for (i = 0; i <= 31; i++) {
+ if (gpe0_sts & (1 << i))
+ elog_add_event_wake(ELOG_WAKE_SOURCE_GPE, i + start);
+ }
+}
+
+static void pch_log_rp_wake_source(void)
+{
+ size_t i;
+ uint8_t max_port = get_max_pcie_port();
+
+ const struct pme_map pme_map[] = {
+ { PCI_DEVFN_PCIE1, ELOG_WAKE_SOURCE_PME_PCIE1 },
+ { PCI_DEVFN_PCIE2, ELOG_WAKE_SOURCE_PME_PCIE2 },
+ { PCI_DEVFN_PCIE3, ELOG_WAKE_SOURCE_PME_PCIE3 },
+ { PCI_DEVFN_PCIE4, ELOG_WAKE_SOURCE_PME_PCIE4 },
+ { PCI_DEVFN_PCIE5, ELOG_WAKE_SOURCE_PME_PCIE5 },
+ { PCI_DEVFN_PCIE6, ELOG_WAKE_SOURCE_PME_PCIE6 },
+ { PCI_DEVFN_PCIE7, ELOG_WAKE_SOURCE_PME_PCIE7 },
+ { PCI_DEVFN_PCIE8, ELOG_WAKE_SOURCE_PME_PCIE8 },
+ { PCI_DEVFN_PCIE9, ELOG_WAKE_SOURCE_PME_PCIE9 },
+ { PCI_DEVFN_PCIE10, ELOG_WAKE_SOURCE_PME_PCIE10 },
+#if CONFIG(SOC_INTEL_PANTHERLAKE_U_H)
+ { PCI_DEVFN_PCIE11, ELOG_WAKE_SOURCE_PME_PCIE11 },
+ { PCI_DEVFN_PCIE12, ELOG_WAKE_SOURCE_PME_PCIE12 },
+#endif
+ };
+
+ for (i = 0; i < MIN(max_port, ARRAY_SIZE(pme_map)); ++i) {
+ if (pci_dev_is_wake_source(PCI_DEV(0, PCI_SLOT(pme_map[i].devfn),
+ PCI_FUNC(pme_map[i].devfn))))
+ elog_add_event_wake(pme_map[i].wake_source, 0);
+ }
+}
+
+static void pch_log_pme_internal_wake_source(void)
+{
+ const struct pme_map ipme_map[] = {
+ { PCI_DEVFN_HDA, ELOG_WAKE_SOURCE_PME_HDA },
+ { PCI_DEVFN_GBE, ELOG_WAKE_SOURCE_PME_GBE },
+ { PCI_DEVFN_CSE, ELOG_WAKE_SOURCE_PME_CSE },
+ { PCI_DEVFN_XHCI, ELOG_WAKE_SOURCE_PME_XHCI },
+ { PCI_DEVFN_USBOTG, ELOG_WAKE_SOURCE_PME_XDCI },
+ { PCI_DEVFN_CNVI_WIFI, ELOG_WAKE_SOURCE_PME_WIFI },
+ { PCI_DEVFN_TCSS_XDCI, ELOG_WAKE_SOURCE_PME_TCSS_XDCI },
+ };
+ const struct xhci_wake_info xhci_wake_info[] = {
+ { PCI_DEVFN_XHCI, ELOG_WAKE_SOURCE_PME_XHCI },
+ { PCI_DEVFN_TCSS_XHCI, ELOG_WAKE_SOURCE_PME_TCSS_XHCI },
+ };
+ bool dev_found = false;
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(ipme_map); i++) {
+ unsigned int devfn = ipme_map[i].devfn;
+ if (pci_dev_is_wake_source(PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)))) {
+ elog_add_event_wake(ipme_map[i].wake_source, 0);
+ dev_found = true;
+ }
+ }
+
+ /* Check Thunderbolt ports */
+ for (i = 0; i < NUM_TBT_FUNCTIONS; i++) {
+ unsigned int devfn = PCI_DEVFN_TBT(i);
+ if (pci_dev_is_wake_source(PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)))) {
+ elog_add_event_wake(ELOG_WAKE_SOURCE_PME_TBT, i);
+ dev_found = true;
+ }
+ }
+
+ /* Check DMA devices */
+ for (i = 0; i < NUM_TCSS_DMA_FUNCTIONS; i++) {
+ unsigned int devfn = PCI_DEVFN_TCSS_DMA(i);
+ if (pci_dev_is_wake_source(PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)))) {
+ elog_add_event_wake(ELOG_WAKE_SOURCE_PME_TCSS_DMA, i);
+ dev_found = true;
+ }
+ }
+
+ /*
+ * Probe the XHCI controllers and their USB2 and USB3 ports to determine
+ * if any of them were wake sources.
+ */
+ dev_found |= xhci_update_wake_event(xhci_wake_info, ARRAY_SIZE(xhci_wake_info));
+
+ if (!dev_found)
+ elog_add_event_wake(ELOG_WAKE_SOURCE_PME_INTERNAL, 0);
+}
+
+static void pch_log_wake_source(struct chipset_power_state *ps)
+{
+ /* Power Button */
+ if (ps->pm1_sts & PWRBTN_STS)
+ elog_add_event_wake(ELOG_WAKE_SOURCE_PWRBTN, 0);
+
+ /* RTC */
+ if (ps->pm1_sts & RTC_STS)
+ elog_add_event_wake(ELOG_WAKE_SOURCE_RTC, 0);
+
+ /* PCI Express */
+ if (ps->pm1_sts & PCIEXPWAK_STS)
+ pch_log_rp_wake_source();
+
+ /* PME (TODO: determine wake device) */
+ if (ps->gpe0_sts[GPE_STD] & PME_STS)
+ elog_add_event_wake(ELOG_WAKE_SOURCE_PME, 0);
+
+ /* Internal PME */
+ if (ps->gpe0_sts[GPE_STD] & PME_B0_STS)
+ pch_log_pme_internal_wake_source();
+
+ /* SMBUS Wake */
+ if (ps->gpe0_sts[GPE_STD] & SMB_WAK_STS)
+ elog_add_event_wake(ELOG_WAKE_SOURCE_SMBUS, 0);
+
+ /* Log GPIO events in set 1-3 */
+ pch_log_gpio_gpe(ps->gpe0_sts[GPE_31_0], ps->gpe0_en[GPE_31_0], 0);
+ pch_log_gpio_gpe(ps->gpe0_sts[GPE_63_32], ps->gpe0_en[GPE_63_32], 32);
+ pch_log_gpio_gpe(ps->gpe0_sts[GPE_95_64], ps->gpe0_en[GPE_95_64], 64);
+ /* Treat the STD as an extension of GPIO to obtain visibility. */
+ pch_log_gpio_gpe(ps->gpe0_sts[GPE_STD], ps->gpe0_en[GPE_STD], 96);
+}
+
+static void pch_log_power_and_resets(const struct chipset_power_state *ps)
+{
+ /* Thermal Trip */
+ if (ps->gblrst_cause[0] & GBLRST_CAUSE0_THERMTRIP)
+ elog_add_event(ELOG_TYPE_THERM_TRIP);
+
+ /* CSME-Initiated Host Reset with power down */
+ if (ps->hpr_cause0 & HPR_CAUSE0_MI_HRPD)
+ elog_add_event(ELOG_TYPE_MI_HRPD);
+
+ /* CSME-Initiated Host Reset with power cycle */
+ if (ps->hpr_cause0 & HPR_CAUSE0_MI_HRPC)
+ elog_add_event(ELOG_TYPE_MI_HRPC);
+
+ /* CSME-Initiated Host Reset without power cycle */
+ if (ps->hpr_cause0 & HPR_CAUSE0_MI_HR)
+ elog_add_event(ELOG_TYPE_MI_HR);
+
+ /* PWR_FLR Power Failure */
+ if (ps->gen_pmcon_a & PWR_FLR)
+ elog_add_event(ELOG_TYPE_POWER_FAIL);
+
+ /* SUS Well Power Failure */
+ if (ps->gen_pmcon_a & SUS_PWR_FLR)
+ elog_add_event(ELOG_TYPE_SUS_POWER_FAIL);
+
+ /* TCO Timeout */
+ if (ps->prev_sleep_state != ACPI_S3 &&
+ ps->tco2_sts & TCO2_STS_SECOND_TO)
+ elog_add_event(ELOG_TYPE_TCO_RESET);
+
+ /* Power Button Override */
+ if (ps->pm1_sts & PRBTNOR_STS)
+ elog_add_event(ELOG_TYPE_POWER_BUTTON_OVERRIDE);
+
+ /* RTC reset */
+ if (ps->gen_pmcon_b & RTC_BATTERY_DEAD)
+ elog_add_event(ELOG_TYPE_RTC_RESET);
+
+ /* Host Reset Status */
+ if (ps->gen_pmcon_a & HOST_RST_STS)
+ elog_add_event(ELOG_TYPE_SYSTEM_RESET);
+
+ /* ACPI Wake Event */
+ if (ps->prev_sleep_state != ACPI_S0)
+ elog_add_event_byte(ELOG_TYPE_ACPI_WAKE, ps->prev_sleep_state);
+}
+
+static void pch_log_state(void *unused)
+{
+ struct chipset_power_state *ps = pmc_get_power_state();
+
+ if (!ps) {
+ printk(BIOS_ERR, "chipset_power_state not found!\n");
+ return;
+ }
+
+ /* Power and Reset */
+ pch_log_power_and_resets(ps);
+
+ /* Wake Sources */
+ if (ps->prev_sleep_state > ACPI_S0)
+ pch_log_wake_source(ps);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT, pch_log_state, NULL);
+
+void elog_gsmi_cb_platform_log_wake_source(void)
+{
+ struct chipset_power_state ps;
+ pmc_fill_pm_reg_info(&ps);
+ pch_log_wake_source(&ps);
+}
diff --git a/src/soc/intel/pantherlake/finalize.c b/src/soc/intel/pantherlake/finalize.c
new file mode 100644
index 0000000000..05ec3eaaca
--- /dev/null
+++ b/src/soc/intel/pantherlake/finalize.c
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <arch/io.h>
+#include <bootstate.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include <device/mmio.h>
+#include <device/pci.h>
+#include <intelblocks/cse.h>
+#include <intelblocks/lpc_lib.h>
+#include <intelblocks/pcr.h>
+#include <intelblocks/pmclib.h>
+#include <intelblocks/systemagent.h>
+#include <intelblocks/tco.h>
+#include <intelblocks/thermal.h>
+#include <intelpch/lockdown.h>
+#include <soc/p2sb.h>
+#include <soc/pci_devs.h>
+#include <soc/pcr_ids.h>
+#include <soc/pm.h>
+#include <soc/smbus.h>
+#include <soc/soc_chip.h>
+#include <soc/systemagent.h>
+#include <spi-generic.h>
+#include <timer.h>
+
+static void pch_finalize(void)
+{
+ /* TCO Lock down */
+ tco_lockdown();
+
+ pmc_clear_pmcon_sts();
+}
+
+static void tbt_finalize(void)
+{
+ int i;
+ const struct device *dev;
+
+ /* Disable Thunderbolt PCIe root ports bus master */
+ for (i = 0; i < NUM_TBT_FUNCTIONS; i++) {
+ dev = pcidev_path_on_root(PCI_DEVFN_TBT(i));
+ if (dev)
+ pci_dev_disable_bus_master(dev);
+ }
+}
+
+static void sa_finalize(void)
+{
+ if (get_lockdown_config() == CHIPSET_LOCKDOWN_COREBOOT)
+ sa_lock_pam();
+}
+
+static void heci_finalize(void)
+{
+ heci_set_to_d0i3();
+ if (CONFIG(DISABLE_HECI1_AT_PRE_BOOT))
+ heci1_disable();
+}
+
+static void soc_finalize(void *unused)
+{
+ printk(BIOS_DEBUG, "Finalizing chipset.\n");
+
+ pch_finalize();
+ apm_control(APM_CNT_FINALIZE);
+ tbt_finalize();
+ sa_finalize();
+ if (CONFIG(USE_FSP_NOTIFY_PHASE_READY_TO_BOOT) &&
+ CONFIG(USE_FSP_NOTIFY_PHASE_END_OF_FIRMWARE))
+ heci_finalize();
+
+ /* Indicate finalize step with post code */
+ post_code(POSTCODE_OS_BOOT);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, soc_finalize, NULL);
+/*
+ * The purpose of this change is to accommodate more time to push out sending
+ * CSE EOP messages at post.
+ */
+BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY, soc_finalize, NULL);
diff --git a/src/soc/intel/pantherlake/fsp_params.c b/src/soc/intel/pantherlake/fsp_params.c
new file mode 100644
index 0000000000..bc7b5b16be
--- /dev/null
+++ b/src/soc/intel/pantherlake/fsp_params.c
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/ramstage.h>
+
+__weak void mainboard_update_soc_chip_config(struct soc_intel_pantherlake_config *config)
+{
+ /* Override settings per board. */
+}
+
+/* UPD parameters to be initialized before SiliconInit */
+void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
+{
+ /* Override settings per board. */
+}
+
+/* Mainboard GPIO Configuration */
+__weak void mainboard_silicon_init_params(FSP_S_CONFIG *s_cfg)
+{
+ printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
+}
diff --git a/src/soc/intel/pantherlake/gspi.c b/src/soc/intel/pantherlake/gspi.c
new file mode 100644
index 0000000000..387d3e3949
--- /dev/null
+++ b/src/soc/intel/pantherlake/gspi.c
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <intelblocks/gspi.h>
+#include <soc/pci_devs.h>
+
+int gspi_soc_bus_to_devfn(unsigned int gspi_bus)
+{
+ switch (gspi_bus) {
+ case 0:
+ return PCI_DEVFN_GSPI0;
+ case 1:
+ return PCI_DEVFN_GSPI1;
+ case 2:
+ return PCI_DEVFN_GSPI2;
+ }
+ return -1;
+}
diff --git a/src/soc/intel/pantherlake/i2c.c b/src/soc/intel/pantherlake/i2c.c
new file mode 100644
index 0000000000..50ab4a73eb
--- /dev/null
+++ b/src/soc/intel/pantherlake/i2c.c
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/device.h>
+#include <drivers/i2c/designware/dw_i2c.h>
+#include <soc/pci_devs.h>
+
+int dw_i2c_soc_devfn_to_bus(unsigned int devfn)
+{
+ switch (devfn) {
+ case PCI_DEVFN_I2C0:
+ return 0;
+ case PCI_DEVFN_I2C1:
+ return 1;
+ case PCI_DEVFN_I2C2:
+ return 2;
+ case PCI_DEVFN_I2C3:
+ return 3;
+ case PCI_DEVFN_I2C4:
+ return 4;
+ case PCI_DEVFN_I2C5:
+ return 5;
+ }
+ return -1;
+}
+
+int dw_i2c_soc_bus_to_devfn(unsigned int bus)
+{
+ switch (bus) {
+ case 0:
+ return PCI_DEVFN_I2C0;
+ case 1:
+ return PCI_DEVFN_I2C1;
+ case 2:
+ return PCI_DEVFN_I2C2;
+ case 3:
+ return PCI_DEVFN_I2C3;
+ case 4:
+ return PCI_DEVFN_I2C4;
+ case 5:
+ return PCI_DEVFN_I2C5;
+ }
+ return -1;
+}
diff --git a/src/soc/intel/pantherlake/include/soc/cpu.h b/src/soc/intel/pantherlake/include/soc/cpu.h
new file mode 100644
index 0000000000..2ca9a1043c
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/cpu.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_PANTHERLAKE_CPU_H_
+#define _SOC_PANTHERLAKE_CPU_H_
+
+/* Latency times in us */
+#define C1_LATENCY 1
+#define C6_LATENCY 127
+#define C7_LATENCY 253
+#define C8_LATENCY 260
+#define C9_LATENCY 487
+#define C10_LATENCY 1048
+
+/* Power in units of mW */
+#define C1_POWER 0x3e8
+#define C6_POWER 0x15e
+#define C7_POWER 0xc8
+#define C8_POWER 0xc8
+#define C9_POWER 0xc8
+#define C10_POWER 0xc8
+
+/* Get a bitmask of supported LPM states */
+uint8_t get_supported_lpm_mask(void);
+
+#endif
diff --git a/src/soc/intel/pantherlake/include/soc/crashlog.h b/src/soc/intel/pantherlake/include/soc/crashlog.h
new file mode 100644
index 0000000000..5b988e9729
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/crashlog.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_PANTHERLAKE_CRASHLOG_H_
+#define _SOC_PANTHERLAKE_CRASHLOG_H_
+
+#include <types.h>
+
+/* DVSEC capability Registers */
+#define TEL_DVSEC_OFFSET 0x100
+#define TEL_DVSEC_PCIE_CAP_ID 0x0
+#define TEL_DVSEV_ID 0x8
+#define TEL_DVSEV_DISCOVERY_TABLE_OFFSET 0xC
+#define TELEMETRY_EXTENDED_CAP_ID 0x23
+#define CRASHLOG_DVSEC_ID 0x04
+#define TEL_DVSEC_TBIR_BAR0 0
+#define TEL_DVSEC_TBIR_BAR1 1
+
+/* CPU CrashLog MMIO Registers */
+#define CRASHLOG_MAILBOX_INTF_ADDRESS 0x6038
+
+typedef union {
+ struct {
+ u32 reserved1 :27;
+ u32 set_storage_off :1;
+ u32 set_re_arm :1;
+ u32 reserved2 :1;
+ u32 set_clr :1;
+ u32 reserved3 :1;
+ } fields;
+ u32 data;
+} __packed cl_punit_control_interface_t;
+
+#endif /* _SOC_PANTHERLAKE_CRASHLOG_H_ */
diff --git a/src/soc/intel/pantherlake/include/soc/dptf.h b/src/soc/intel/pantherlake/include/soc/dptf.h
new file mode 100644
index 0000000000..60b9deb483
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/dptf.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_PANTHERLAKE_DPTF_H_
+#define _SOC_PANTHERLAKE_DPTF_H_
+
+/*
+ * Below is a list of unique ACPI Device IDs for thermal and DPTF
+ * (Dynamic Platform and Thermal Framework)
+ */
+/* DPTF ACPI Device ID */
+#define DPTF_DPTF_DEVICE "INTC10D4"
+/* Generic ACPI Device ID for TSR0/1/2/3 and charger */
+#define DPTF_GEN_DEVICE "INTC10D5"
+/* Fan ACPI Device ID */
+#define DPTF_FAN_DEVICE "INTC10D6"
+/* TPCH ACPI Device ID */
+#define DPTF_TPCH_DEVICE "INTC10D7"
+/* TPWR ACPI Device ID */
+#define DPTF_TPWR_DEVICE "INTC10D8"
+/* BAT1 ACPI Device ID */
+#define DPTF_BAT1_DEVICE "INTC10D9"
+
+#endif
diff --git a/src/soc/intel/pantherlake/include/soc/iomap.h b/src/soc/intel/pantherlake/include/soc/iomap.h
index 652bed8df0..2ecd28ec84 100644
--- a/src/soc/intel/pantherlake/include/soc/iomap.h
+++ b/src/soc/intel/pantherlake/include/soc/iomap.h
@@ -20,6 +20,9 @@
#define SAF_BASE_ADDRESS 0x3ffe000000
#define SAF_BASE_SIZE 0x2000000
+/* Add dummy entry to cater common/block/acpi/acpi/northbridge.asl */
+#define DMI_BASE_SIZE 0
+
#define EP_BASE_ADDRESS 0xfeda1000
#define EP_BASE_SIZE 0x1000
diff --git a/src/soc/intel/pantherlake/include/soc/irq.h b/src/soc/intel/pantherlake/include/soc/irq.h
new file mode 100644
index 0000000000..5d94ed2dbf
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/irq.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_PANTHERLAKE_IRQ_H_
+#define _SOC_PANTHERLAKE_IRQ_H_
+
+#define GPIO_IRQ14 14
+#define GPIO_IRQ15 15
+
+#define PCH_IRQ10 10
+#define PCH_IRQ11 11
+
+#endif
diff --git a/src/soc/intel/pantherlake/include/soc/nvs.h b/src/soc/intel/pantherlake/include/soc/nvs.h
new file mode 100644
index 0000000000..c6032f47bc
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/nvs.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_PANTHERLAKE_NVS_H_
+#define _SOC_PANTHERLAKE_NVS_H_
+
+#include <intelblocks/nvs.h>
+
+#endif
diff --git a/src/soc/intel/pantherlake/include/soc/p2sb.h b/src/soc/intel/pantherlake/include/soc/p2sb.h
index c431ad6d12..9bf7e2d4b8 100644
--- a/src/soc/intel/pantherlake/include/soc/p2sb.h
+++ b/src/soc/intel/pantherlake/include/soc/p2sb.h
@@ -8,7 +8,7 @@
#define PCH_P2SB_EPMASK0 0x220
-extern struct device_operations soc_p2sb_ops;
-extern struct device_operations soc_p2sb_2_ops;
+extern struct device_operations pcd_p2sb_ops;
+extern struct device_operations pcd_p2sb_2_ops;
-#endif /* _SOC_PANTHERLAKE_P2SB_H_ */
+#endif
diff --git a/src/soc/intel/pantherlake/include/soc/pcie.h b/src/soc/intel/pantherlake/include/soc/pcie.h
new file mode 100644
index 0000000000..89f9c372c4
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/pcie.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_PANTHERLAKE_PCIE_H__
+#define __SOC_PANTHERLAKE_PCIE_H__
+
+#include <intelblocks/pcie_rp.h>
+
+const struct pcie_rp_group *get_pcie_rp_table(void);
+const struct pcie_rp_group *get_tbt_pcie_rp_table(void);
+
+#endif
diff --git a/src/soc/intel/pantherlake/include/soc/pmc.h b/src/soc/intel/pantherlake/include/soc/pmc.h
index daa60f2080..415bf074fb 100644
--- a/src/soc/intel/pantherlake/include/soc/pmc.h
+++ b/src/soc/intel/pantherlake/include/soc/pmc.h
@@ -23,7 +23,7 @@ extern struct device_operations pmc_ops;
#define MEM_SR BIT(21)
#define ALLOW_SPXB_CG_INC0 BIT(20)
#define ALLOW_L1LOW_C0 BIT(19)
-#define MS4V BIT(18)
+#define MS4V BIT_FLAG_32(18)
#define ALLOW_L1LOW_OPI_ON BIT(17)
#define SUS_PWR_FLR BIT(16)
#define PME_B0_S5_DIS BIT(15)
diff --git a/src/soc/intel/pantherlake/include/soc/ramstage.h b/src/soc/intel/pantherlake/include/soc/ramstage.h
new file mode 100644
index 0000000000..c906f7d39b
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/ramstage.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_PANTHERLAKE_RAMSTAGE_H_
+#define _SOC_PANTHERLAKE_RAMSTAGE_H_
+
+#include <fsp/api.h>
+#include <fsp/util.h>
+#include <soc/soc_chip.h>
+
+void mainboard_silicon_init_params(FSP_S_CONFIG *params);
+void mainboard_update_soc_chip_config(struct soc_intel_pantherlake_config *config);
+void soc_init_pre_device(void *chip_info);
+
+#endif
diff --git a/src/soc/intel/pantherlake/include/soc/serialio.h b/src/soc/intel/pantherlake/include/soc/serialio.h
new file mode 100644
index 0000000000..def55654bf
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/serialio.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_PANTHERLAKE_SERIALIO_H_
+#define _SOC_PANTHERLAKE_SERIALIO_H_
+
+enum {
+ PchSerialIoDisabled,
+ PchSerialIoPci,
+ PchSerialIoHidden,
+ PchSerialIoLegacyUart,
+ PchSerialIoSkipInit
+};
+
+enum {
+ PchSerialIoIndexI2C0,
+ PchSerialIoIndexI2C1,
+ PchSerialIoIndexI2C2,
+ PchSerialIoIndexI2C3,
+ PchSerialIoIndexI2C4,
+ PchSerialIoIndexI2C5
+};
+
+enum {
+ PchSerialIoIndexGSPI0,
+ PchSerialIoIndexGSPI1,
+ PchSerialIoIndexGSPI2,
+};
+
+enum {
+ PchSerialIoIndexUART0,
+ PchSerialIoIndexUART1,
+ PchSerialIoIndexUART2
+};
+
+#endif /* _SOC_PANTHERLAKE_SERIALIO_H_ */
diff --git a/src/soc/intel/pantherlake/include/soc/systemagent.h b/src/soc/intel/pantherlake/include/soc/systemagent.h
index c791e5bbe8..fbe8dd25cc 100644
--- a/src/soc/intel/pantherlake/include/soc/systemagent.h
+++ b/src/soc/intel/pantherlake/include/soc/systemagent.h
@@ -15,6 +15,9 @@
/* MCHBAR offsets */
#define VTDBAR 0x5410
#define GFXVTBAR VTDBAR
+#define GFXVT_ENABLED BIT(0)
+#define NONGFXVT_ENABLED BIT(1)
+#define IOCVT_ENABLED BIT(2)
#define REGBAR 0x5420
#define MCH_DDR_POWER_LIMIT_LO 0x58e0
#define MCH_DDR_POWER_LIMIT_HI 0x58e4
@@ -50,18 +53,6 @@ static const struct sa_mmio_descriptor soc_vtd_resources[] = {
#define LT_SECURITY_SIZE (384 * KiB)
#define APIC_SIZE (1 * MiB)
-#define MASK_PCIEXBAR_LENGTH 0x0000000E // bits [3:1]
-#define PCIEXBAR_LENGTH_LSB 1 // used to shift right
-
-#define DSM_BASE_ADDR_REG 0xB0
-#define MASK_DSM_LENGTH 0xFF00 // [15:8]
-#define MASK_DSM_LENGTH_LSB 8 // used to shift right
-#define MASK_GSM_LENGTH 0xC0 // [7:6]
-#define MASK_GSM_LENGTH_LSB 6 // used to shift right
-#define DPR_REG 0x5C
-#define MASK_DPR_LENGTH 0xFF0 // [11:4]
-#define MASK_DPR_LENGTH_LSB 4 // used to shift right
-
uint64_t get_mmcfg_size(const struct device *dev);
uint64_t get_dsm_size(const struct device *dev);
uint64_t get_gsm_size(const struct device *dev);
diff --git a/src/soc/intel/pantherlake/include/soc/tcss.h b/src/soc/intel/pantherlake/include/soc/tcss.h
new file mode 100644
index 0000000000..79604bcfa1
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/tcss.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef _SOC_PANTHERLAKE_TCSS_H_
+#define _SOC_PANTHERLAKE_TCSS_H_
+
+/* Thunderbolt firmware IMR status */
+#define IOM_CSME_IMR_TBT_STATUS 0x14
+#define TBT_VALID_AUTHENTICATION BIT(30)
+
+/* IOM aux bias control registers in REGBAR MMIO space */
+#define IOM_AUX_BIAS_CTRL_PULLUP_OFFSET_0 0x1070
+#define IOM_AUX_BIAS_CTRL_PULLUP_OFFSET(x) (IOM_AUX_BIAS_CTRL_PULLUP_OFFSET_0 + (x) * 4)
+#define IOM_AUX_BIAS_CTRL_PULLDOWN_OFFSET_0 0x1088
+#define IOM_AUX_BIAS_CTRL_PULLDOWN_OFFSET(x) (IOM_AUX_BIAS_CTRL_PULLDOWN_OFFSET_0 + (x) * 4)
+
+#define BIAS_CTRL_VW_INDEX_SHIFT 24
+#define BIAS_CTRL_BIT_POS_SHIFT 16
+
+#endif
diff --git a/src/soc/intel/pantherlake/include/soc/usb.h b/src/soc/intel/pantherlake/include/soc/usb.h
new file mode 100644
index 0000000000..1e68d8d73f
--- /dev/null
+++ b/src/soc/intel/pantherlake/include/soc/usb.h
@@ -0,0 +1,155 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_PANTHERLAKE_USB_H_
+#define _SOC_PANTHERLAKE_USB_H_
+
+#include <stdint.h>
+
+/* Per Port HS Transmitter Emphasis */
+#define USB2_EMP_OFF 0
+#define USB2_DE_EMP_ON 1
+#define USB2_PRE_EMP_ON 2
+#define USB2_DE_EMP_ON_PRE_EMP_ON 3
+
+/* Per Port Half Bit Pre-emphasis */
+#define USB2_FULL_BIT_PRE_EMP 0
+#define USB2_HALF_BIT_PRE_EMP 1
+
+/* Per Port HS Preemphasis Bias */
+#define USB2_BIAS_0MV 0
+#define USB2_BIAS_11P25MV 1
+#define USB2_BIAS_16P9MV 2
+#define USB2_BIAS_28P15MV 3
+#define USB2_BIAS_39P35MV 5
+#define USB2_BIAS_45MV 6
+#define USB2_BIAS_56P3MV 7
+
+struct usb2_port_config {
+ uint8_t enable;
+ uint8_t ocpin;
+ uint8_t tx_bias;
+ uint8_t tx_emp_enable;
+ uint8_t pre_emp_bias;
+ uint8_t pre_emp_bit;
+ uint8_t type_c;
+};
+
+/* USB Overcurrent pins definition */
+enum {
+ OC0 = 0,
+ OC1,
+ OC2,
+ OC3,
+ OC4,
+ OC5,
+ OC6,
+ OC7,
+ OCMAX,
+ OC_SKIP = 0xff, /* Skip OC programming */
+};
+
+/* Standard USB Port based on length:
+ * - External
+ * - Back Panel
+ * - OTG
+ * - M.2
+ * - Internal device down */
+
+#define USB2_PORT_EMPTY { \
+ .enable = 0, \
+ .ocpin = OC_SKIP, \
+ .tx_bias = USB2_BIAS_0MV, \
+ .tx_emp_enable = USB2_EMP_OFF, \
+ .pre_emp_bias = USB2_BIAS_0MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Length = 11.5"-12" */
+#define USB2_PORT_LONG(pin) { \
+ .enable = 1, \
+ .ocpin = (pin), \
+ .tx_bias = USB2_BIAS_39P35MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_56P3MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Length = 6"-11.49" */
+#define USB2_PORT_MID(pin) { \
+ .enable = 1, \
+ .ocpin = (pin), \
+ .tx_bias = USB2_BIAS_0MV, \
+ .tx_emp_enable = USB2_DE_EMP_ON_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_45MV, \
+ .pre_emp_bit = USB2_FULL_BIT_PRE_EMP, \
+}
+
+/* Length = 3"-5.99" */
+#define USB2_PORT_SHORT(pin) { \
+ .enable = 1, \
+ .ocpin = (pin), \
+ .tx_bias = USB2_BIAS_39P35MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_39P35MV, \
+ .pre_emp_bit = USB2_FULL_BIT_PRE_EMP, \
+}
+
+/* Max TX and Pre-emp settings */
+#define USB2_PORT_MAX(pin) { \
+ .enable = 1, \
+ .ocpin = (pin), \
+ .tx_bias = USB2_BIAS_56P3MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_56P3MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Type-C Port, no BC1.2 charge detect module / MUX
+ * Length = 3.0" - 9.00" */
+#define USB2_PORT_TYPE_C(pin) { \
+ .enable = 1, \
+ .ocpin = (pin), \
+ .tx_bias = USB2_BIAS_0MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_56P3MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+ .type_c = 1, \
+}
+
+struct usb3_port_config {
+ uint8_t enable;
+ uint8_t ocpin;
+ uint8_t tx_de_emp;
+ uint8_t tx_downscale_amp;
+};
+
+#define USB3_PORT_EMPTY { \
+ .enable = 0, \
+ .ocpin = OC_SKIP, \
+ .tx_de_emp = 0x00, \
+ .tx_downscale_amp = 0x00, \
+}
+
+#define USB3_PORT_DEFAULT(pin) { \
+ .enable = 1, \
+ .ocpin = (pin), \
+ .tx_de_emp = 0x0, \
+ .tx_downscale_amp = 0x00, \
+}
+
+struct tcss_port_config {
+ uint8_t enable;
+ uint8_t ocpin;
+};
+
+#define TCSS_PORT_EMPTY { \
+ .enable = 0, \
+ .ocpin = OC_SKIP, \
+}
+
+#define TCSS_PORT_DEFAULT(pin) { \
+ .enable = 1, \
+ .ocpin = (pin), \
+}
+
+#endif /* _SOC_PANTHERLAKE_USB_H_ */
diff --git a/src/soc/intel/pantherlake/lockdown.c b/src/soc/intel/pantherlake/lockdown.c
new file mode 100644
index 0000000000..2994952d00
--- /dev/null
+++ b/src/soc/intel/pantherlake/lockdown.c
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/mmio.h>
+#include <intelblocks/cfg.h>
+#include <intelblocks/pcr.h>
+#include <intelblocks/pmclib.h>
+#include <intelpch/lockdown.h>
+#include <soc/pcr_ids.h>
+#include <soc/pm.h>
+#include <stdint.h>
+
+/* PCR PSTH Control Register */
+#define PCR_PSTH_CTRLREG 0x1d00
+#define PSTH_CTRLREG_IOSFPTCGE BIT(2)
+
+static void pmc_lockdown_cfg(int chipset_lockdown)
+{
+ uint8_t *pmcbase = pmc_mmio_regs();
+
+ /* PMSYNC */
+ setbits32(pmcbase + PMSYNC_TPR_CFG, PCH2CPU_TPR_CFG_LOCK);
+ /* Lock down ABASE and sleep stretching policy */
+ setbits32(pmcbase + GEN_PMCON_B, SLP_STR_POL_LOCK | ACPI_BASE_LOCK);
+
+ if (chipset_lockdown == CHIPSET_LOCKDOWN_COREBOOT)
+ setbits32(pmcbase + GEN_PMCON_B, SMI_LOCK);
+
+ if (!CONFIG(USE_FSP_NOTIFY_PHASE_POST_PCI_ENUM)) {
+ setbits32(pmcbase + GEN_PMCON_B, ST_FDIS_LOCK);
+ setbits32(pmcbase + SSML, SSML_SSL_EN);
+ setbits32(pmcbase + PM_CFG, PM_CFG_DBG_MODE_LOCK |
+ PM_CFG_XRAM_READ_DISABLE);
+ }
+
+ /* Send PMC IPC to inform about both BIOS Reset and PCI enumeration done */
+ pmc_send_bios_reset_pci_enum_done();
+}
+
+static void soc_die_lockdown_cfg(void)
+{
+ if (CONFIG(USE_FSP_NOTIFY_PHASE_POST_PCI_ENUM))
+ return;
+
+ /* Enable IOSF Primary Trunk Clock Gating */
+ pcr_rmw32(PID_PSTH, PCR_PSTH_CTRLREG, ~0, PSTH_CTRLREG_IOSFPTCGE);
+}
+
+void soc_lockdown_config(int chipset_lockdown)
+{
+ /* PMC lock down configuration */
+ pmc_lockdown_cfg(chipset_lockdown);
+ /* SOC Die lock down configuration */
+ soc_die_lockdown_cfg();
+}
diff --git a/src/soc/intel/pantherlake/p2sb.c b/src/soc/intel/pantherlake/p2sb.c
new file mode 100644
index 0000000000..52b36903d6
--- /dev/null
+++ b/src/soc/intel/pantherlake/p2sb.c
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci_def.h>
+#include <intelblocks/p2sb.h>
+#include <soc/iomap.h>
+
+void p2sb_soc_get_sb_mask(uint32_t *ep_mask, size_t count)
+{
+ uint32_t mask;
+
+ if (count != P2SB_EP_MASK_MAX_REG) {
+ printk(BIOS_ERR, "Unable to program EPMASK registers\n");
+ return;
+ }
+
+ /* Remove the host accessing right to PSF register range.
+ * Set p2sb PCI offset EPMASK5 [29, 28, 27, 26] to disable Sideband
+ * access for PCI Root Bridge.
+ */
+ mask = BIT(29) | BIT(28) | BIT(27) | BIT(26);
+
+ ep_mask[P2SB_EP_MASK_5_REG] = mask;
+
+ /*
+ * Set p2sb PCI offset EPMASK7 [31, 30] to disable Sideband
+ * access for Broadcast and Multicast.
+ */
+ mask = BIT(31) | BIT(30);
+
+ ep_mask[P2SB_EP_MASK_7_REG] = mask;
+}
+
+static void p2sb2_read_resources(struct device *dev)
+{
+ /* Add the fixed MMIO resource for P2SB#2 */
+ mmio_range(dev, PCI_BASE_ADDRESS_0, IOE_P2SB_BAR, IOE_P2SB_SIZE);
+}
+
+static void p2sb_read_resources(struct device *dev)
+{
+ /* Add the fixed MMIO resource for P2SB#1 */
+ mmio_range(dev, PCI_BASE_ADDRESS_0, P2SB_BAR, P2SB_SIZE);
+}
+
+struct device_operations pcd_p2sb_2_ops = {
+ .read_resources = p2sb2_read_resources,
+ .set_resources = noop_set_resources,
+ .scan_bus = scan_static_bus,
+};
+
+struct device_operations pcd_p2sb_ops = {
+ .read_resources = p2sb_read_resources,
+ .set_resources = noop_set_resources,
+ .scan_bus = scan_static_bus,
+};
diff --git a/src/soc/intel/pantherlake/pcie_rp.c b/src/soc/intel/pantherlake/pcie_rp.c
new file mode 100644
index 0000000000..374c3aa1e1
--- /dev/null
+++ b/src/soc/intel/pantherlake/pcie_rp.c
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <intelblocks/pcie_rp.h>
+#include <soc/pci_devs.h>
+#include <soc/pcie.h>
+#include <soc/soc_info.h>
+
+/*
+ * TBT's LCAP registers are returning port index which starts from 0x10 (Usually for other PCIe
+ * root ports index starts from 1). Thus keeping lcap_port_base 0x10 for TBT, so that coreboot's
+ * PCIe remapping logic can return correct index (0-based)
+ */
+
+static const struct pcie_rp_group tbt_rp_groups[] = {
+ { .slot = PCI_DEV_SLOT_TBT, .count = CONFIG_MAX_TBT_ROOT_PORTS, .lcap_port_base = 0x10 },
+ { 0 }
+};
+
+static const struct pcie_rp_group ptl_rp_groups[] = {
+ { .slot = PCI_DEV_SLOT_PCIE_1, .count = 8, .lcap_port_base = 1 },
+#if CONFIG(SOC_INTEL_PANTHERLAKE_U_H)
+ { .slot = PCI_DEV_SLOT_PCIE_2, .count = 4, .lcap_port_base = 1 },
+#else
+ { .slot = PCI_DEV_SLOT_PCIE_2, .count = 2, .lcap_port_base = 1 },
+#endif
+ { 0 }
+};
+
+const struct pcie_rp_group *get_pcie_rp_table(void)
+{
+ return ptl_rp_groups;
+}
+
+const struct pcie_rp_group *get_tbt_pcie_rp_table(void)
+{
+ return tbt_rp_groups;
+}
+
+enum pcie_rp_type soc_get_pcie_rp_type(const struct device *dev)
+{
+ return PCIE_RP_PCH;
+}
+
+int soc_get_cpu_rp_vw_idx(const struct device *dev)
+{
+ return -1;
+}
diff --git a/src/soc/intel/pantherlake/pmc.c b/src/soc/intel/pantherlake/pmc.c
new file mode 100644
index 0000000000..91aeecd22b
--- /dev/null
+++ b/src/soc/intel/pantherlake/pmc.c
@@ -0,0 +1,200 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpigen.h>
+#include <bootstate.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/mmio.h>
+#include <drivers/intel/pmc_mux/chip.h>
+#include <intelblocks/acpi.h>
+#include <intelblocks/pmc.h>
+#include <intelblocks/pmc_ipc.h>
+#include <intelblocks/pmclib.h>
+#include <intelblocks/rtc.h>
+#include <soc/cpu.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/soc_chip.h>
+#include <stdint.h>
+
+#define PMC_HID "INTC1026"
+
+static void config_deep_sX(uint32_t offset, uint32_t mask, int sx, int enable)
+{
+ uint32_t reg;
+ uint8_t *pmcbase = pmc_mmio_regs();
+ if (pmcbase == NULL) {
+ printk(BIOS_ERR, "PMC MMIO regs could not be retrieved.\n");
+ return;
+ }
+
+ printk(BIOS_DEBUG, "%sabling Deep S%c\n",
+ enable ? "En" : "Dis", sx + '0');
+ reg = read32(pmcbase + offset);
+ if (enable)
+ reg |= mask;
+ else
+ reg &= ~mask;
+ write32(pmcbase + offset, reg);
+}
+
+static void config_deep_s5(int on_ac, int on_dc)
+{
+ /* Treat S4 the same as S5. */
+ config_deep_sX(S4_PWRGATE_POL, S4AC_GATE_SUS, 4, on_ac);
+ config_deep_sX(S4_PWRGATE_POL, S4DC_GATE_SUS, 4, on_dc);
+ config_deep_sX(S5_PWRGATE_POL, S5AC_GATE_SUS, 5, on_ac);
+ config_deep_sX(S5_PWRGATE_POL, S5DC_GATE_SUS, 5, on_dc);
+}
+
+static void config_deep_s3(int on_ac, int on_dc)
+{
+ config_deep_sX(S3_PWRGATE_POL, S3AC_GATE_SUS, 3, on_ac);
+ config_deep_sX(S3_PWRGATE_POL, S3DC_GATE_SUS, 3, on_dc);
+}
+
+static void config_deep_sx(uint32_t deepsx_config)
+{
+ uint32_t reg;
+ uint8_t *pmcbase = pmc_mmio_regs();
+
+ reg = read32(pmcbase + DSX_CFG);
+ reg &= ~DSX_CFG_MASK;
+ reg |= deepsx_config;
+ write32(pmcbase + DSX_CFG, reg);
+}
+
+static void soc_pmc_enable(struct device *dev)
+{
+ const config_t *config = config_of_soc();
+
+ rtc_init();
+
+ pmc_set_power_failure_state(true);
+ pmc_gpe_init();
+
+ config_deep_s3(config->deep_s3_enable_ac, config->deep_s3_enable_dc);
+ config_deep_s5(config->deep_s5_enable_ac, config->deep_s5_enable_dc);
+ config_deep_sx(config->deep_sx_config);
+}
+
+static void soc_pmc_read_resources(struct device *dev)
+{
+ struct resource *res;
+
+ /* Add the fixed MMIO resource */
+ mmio_range(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE);
+
+ /* Add the fixed I/O resource */
+ res = new_resource(dev, 1);
+ res->base = (resource_t)ACPI_BASE_ADDRESS;
+ res->size = (resource_t)ACPI_BASE_SIZE;
+ res->limit = res->base + res->size - 1;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
+static void soc_pmc_fill_ssdt(const struct device *dev)
+{
+ const char *scope = acpi_device_scope(dev);
+ const char *name = acpi_device_name(dev);
+ if (!scope || !name)
+ return;
+
+ acpigen_write_scope(scope);
+ acpigen_write_device(name);
+
+ acpigen_write_name_string("_HID", PMC_HID);
+ acpigen_write_name_string("_DDN", "Intel(R) Panther Lake IPC Controller");
+ /* Hide the device so that Windows does not complain on missing driver */
+ acpigen_write_STA(ACPI_STATUS_DEVICE_HIDDEN_ON);
+
+ /*
+ * Part of the PCH's reserved 32 MB MMIO range (0xFC800000 - 0xFE7FFFFF).
+ * The PMC gets 0xFE000000 - 0xFE00FFFF.
+ */
+ acpigen_write_name("_CRS");
+ acpigen_write_resourcetemplate_header();
+ acpigen_write_mem32fixed(1, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE);
+ acpigen_write_resourcetemplate_footer();
+
+ /* Define IPC Write Method */
+ if (CONFIG(PMC_IPC_ACPI_INTERFACE))
+ pmc_ipc_acpi_fill_ssdt();
+
+ acpigen_pop_len(); /* PMC Device */
+ acpigen_pop_len(); /* Scope */
+
+ if (CONFIG(SOC_INTEL_COMMON_BLOCK_ACPI_PEP)) {
+ const struct soc_pmc_lpm ptl_pmc_lpm = {
+ .num_substates = 8,
+ .num_req_regs = 6,
+ .lpm_ipc_offset = 0x1000,
+ .req_reg_stride = 0x30,
+ .lpm_enable_mask = get_supported_lpm_mask(),
+ };
+
+ generate_acpi_power_engine_with_lpm(&ptl_pmc_lpm);
+ }
+
+ printk(BIOS_INFO, "%s: %s at %s\n", acpi_device_path(dev), dev->chip_ops->name,
+ dev_path(dev));
+}
+
+static void soc_pmc_init(struct device *dev)
+{
+ /*
+ * pmc_set_acpi_mode() should be delayed until BS_DEV_INIT in order
+ * to ensure the ordering does not break the assumptions that other
+ * drivers make about ACPI mode (e.g. Chrome EC). Since it disables
+ * ACPI mode, other drivers may take different actions based on this
+ * (e.g. Chrome EC will flush any pending hostevent bits). Because
+ * PTL has its PMC device available for device_operations, it can be
+ * done from the "ops->init" callback.
+ */
+ pmc_set_acpi_mode();
+
+ /*
+ * Disable ACPI PM timer based on Kconfig
+ *
+ * Disabling ACPI PM timer is necessary for XTAL OSC shutdown.
+ * Disabling ACPI PM timer also switches off TCO
+ */
+ if (!CONFIG(USE_PM_ACPI_TIMER))
+ setbits8(pmc_mmio_regs() + PCH_PWRM_ACPI_TMR_CTL, ACPI_TIM_DIS);
+}
+
+static void pm1_enable_pwrbtn_smi(void *unused)
+{
+ /* Enable power button SMI after BS_DEV_INIT_CHIPS (FSP-S) is done. */
+ pmc_update_pm1_enable(PWRBTN_EN);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_DEV_INIT_CHIPS, BS_ON_EXIT, pm1_enable_pwrbtn_smi, NULL);
+
+/*
+ * `pmc_final` function is native implementation of equivalent events performed by
+ * each FSP NotifyPhase() API invocations.
+ *
+ *
+ * Clear PMCON status bits (Global Reset/Power Failure/Host Reset Status bits)
+ *
+ * Perform the PMCON status bit clear operation from `.final`
+ * to cover any such chances where later boot stage requested a global
+ * reset and PMCON status bit remains set.
+ */
+static void pmc_final(struct device *dev)
+{
+ pmc_clear_pmcon_sts();
+}
+
+struct device_operations pmc_ops = {
+ .read_resources = soc_pmc_read_resources,
+ .set_resources = noop_set_resources,
+ .init = soc_pmc_init,
+ .enable = soc_pmc_enable,
+#if CONFIG(HAVE_ACPI_TABLES)
+ .acpi_fill_ssdt = soc_pmc_fill_ssdt,
+#endif
+ .scan_bus = scan_static_bus,
+ .final = pmc_final,
+};
diff --git a/src/soc/intel/pantherlake/pmutil.c b/src/soc/intel/pantherlake/pmutil.c
new file mode 100644
index 0000000000..892972c712
--- /dev/null
+++ b/src/soc/intel/pantherlake/pmutil.c
@@ -0,0 +1,267 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * Helper functions for dealing with power management registers
+ * and the differences between PCH variants.
+ */
+
+#define __SIMPLE_DEVICE__
+
+#include <acpi/acpi_pm.h>
+#include <console/console.h>
+#include <device/mmio.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <intelblocks/pmclib.h>
+#include <intelblocks/rtc.h>
+#include <intelblocks/tco.h>
+#include <intelpch/espi.h>
+#include <security/vboot/vbnv.h>
+#include <soc/gpe.h>
+#include <soc/gpio.h>
+#include <soc/iomap.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/smbus.h>
+#include <soc/soc_chip.h>
+#include <types.h>
+
+/*
+ * SMI
+ */
+const char *const *soc_smi_sts_array(size_t *a)
+{
+ static const char *const smi_sts_bits[] = {
+ [BIOS_STS_BIT] = "BIOS",
+ [LEGACY_USB_STS_BIT] = "LEGACY_USB",
+ [SMI_ON_SLP_EN_STS_BIT] = "SLP_SMI",
+ [APM_STS_BIT] = "APM",
+ [SWSMI_TMR_STS_BIT] = "SWSMI_TMR",
+ [PM1_STS_BIT] = "PM1",
+ [GPE0_STS_BIT] = "GPE0",
+ [GPIO_STS_BIT] = "GPI",
+ [MCSMI_STS_BIT] = "MCSMI",
+ [DEVMON_STS_BIT] = "DEVMON",
+ [TCO_STS_BIT] = "TCO",
+ [PERIODIC_STS_BIT] = "PERIODIC",
+ [SERIRQ_SMI_STS_BIT] = "SERIRQ_SMI",
+ [SMBUS_SMI_STS_BIT] = "SMBUS_SMI",
+ [PCI_EXP_SMI_STS_BIT] = "PCI_EXP_SMI",
+ [MONITOR_STS_BIT] = "MONITOR",
+ [SPI_SMI_STS_BIT] = "SPI",
+ [GPIO_UNLOCK_SMI_STS_BIT] = "GPIO_UNLOCK",
+ [ESPI_SMI_STS_BIT] = "ESPI_SMI",
+ };
+
+ *a = ARRAY_SIZE(smi_sts_bits);
+ return smi_sts_bits;
+}
+
+/*
+ * TCO
+ */
+const char *const *soc_tco_sts_array(size_t *a)
+{
+ static const char *const tco_sts_bits[] = {
+ [0] = "NMI2SMI",
+ [1] = "SW_TCO",
+ [2] = "TCO_INT",
+ [3] = "TIMEOUT",
+ [7] = "NEWCENTURY",
+ [8] = "BIOSWR",
+ [9] = "DMISCI",
+ [10] = "DMISMI",
+ [12] = "DMISERR",
+ [13] = "SLVSEL",
+ [16] = "INTRD_DET",
+ [17] = "SECOND_TO",
+ [18] = "BOOT",
+ [20] = "SMLINK_SLV"
+ };
+
+ *a = ARRAY_SIZE(tco_sts_bits);
+ return tco_sts_bits;
+}
+
+/*
+ * GPE0
+ */
+const char *const *soc_std_gpe_sts_array(size_t *a)
+{
+ static const char *const gpe_sts_bits[] = {
+ [1] = "HOTPLUG",
+ [2] = "SWGPE",
+ [6] = "TCO_SCI",
+ [7] = "SMB_WAK",
+ [9] = "PCI_EXP",
+ [10] = "BATLOW",
+ [11] = "PME",
+ [12] = "ME",
+ [13] = "PME_B0",
+ [14] = "eSPI",
+ [15] = "GPIO Tier-2",
+ [16] = "LAN_WAKE",
+ [18] = "WADT"
+ };
+
+ *a = ARRAY_SIZE(gpe_sts_bits);
+ return gpe_sts_bits;
+}
+
+void pmc_set_disb(void)
+{
+ /* Set the DISB after DRAM init */
+ uint8_t disb_val;
+ /* Only care about bits [23:16] of register GEN_PMCON_A */
+ uint8_t *addr = (uint8_t *)(pmc_mmio_regs() + GEN_PMCON_A + 2);
+
+ disb_val = read8(addr);
+ disb_val |= (DISB >> 16);
+
+ /* Don't clear bits that are write-1-to-clear */
+ disb_val &= ~((MS4V | SUS_PWR_FLR) >> 16);
+ write8(addr, disb_val);
+}
+
+/*
+ * PMC controller gets hidden from PCI bus
+ * during FSP-Silicon init call. Hence PWRMBASE
+ * can't be accessible using PCI configuration space
+ * read/write.
+ */
+uint8_t *pmc_mmio_regs(void)
+{
+ return (void *)(uintptr_t)PCH_PWRM_BASE_ADDRESS;
+}
+
+uintptr_t soc_read_pmc_base(void)
+{
+ return (uintptr_t)pmc_mmio_regs();
+}
+
+uint32_t *soc_pmc_etr_addr(void)
+{
+ return (uint32_t *)(soc_read_pmc_base() + ETR);
+}
+
+void soc_get_gpi_gpe_configs(uint8_t *dw0, uint8_t *dw1, uint8_t *dw2)
+{
+ DEVTREE_CONST struct soc_intel_pantherlake_config *config;
+
+ config = config_of_soc();
+ if (config == NULL) {
+ printk(BIOS_ERR, "Configuration could not be retrieved.\n");
+ return;
+ }
+ /* Assign to out variable */
+ *dw0 = config->pmc_gpe0_dw0;
+ *dw1 = config->pmc_gpe0_dw1;
+ *dw2 = config->pmc_gpe0_dw2;
+}
+
+static int rtc_failed(uint32_t gen_pmcon_b)
+{
+ return !!(gen_pmcon_b & RTC_BATTERY_DEAD);
+}
+
+int soc_get_rtc_failed(void)
+{
+ const struct chipset_power_state *ps;
+
+ if (acpi_fetch_pm_state(&ps, PS_CLAIMER_RTC) < 0)
+ return 1;
+
+ return rtc_failed(ps->gen_pmcon_b);
+}
+
+int vbnv_cmos_failed(void)
+{
+ return rtc_failed(read32(pmc_mmio_regs() + GEN_PMCON_B));
+}
+
+static inline int deep_s3_enabled(void)
+{
+ uint32_t deep_s3_pol;
+
+ deep_s3_pol = read32(pmc_mmio_regs() + S3_PWRGATE_POL);
+ return !!(deep_s3_pol & (S3DC_GATE_SUS | S3AC_GATE_SUS));
+}
+
+/* Return 0, 3, or 5 to indicate the previous sleep state. */
+int soc_prev_sleep_state(const struct chipset_power_state *ps, int prev_sleep_state)
+{
+ /*
+ * Check for any power failure to determine if this a wake from
+ * S5 because the PCH does not set the WAK_STS bit when waking
+ * from a true G3 state.
+ */
+ if (!(ps->pm1_sts & WAK_STS) && (ps->gen_pmcon_a & (PWR_FLR | SUS_PWR_FLR)))
+ prev_sleep_state = ACPI_S5;
+
+ /*
+ * If waking from S3 determine if deep S3 is enabled. If not,
+ * need to check both deep sleep well and normal suspend well.
+ * Otherwise just check deep sleep well.
+ */
+ if (prev_sleep_state == ACPI_S3) {
+ /* PWR_FLR represents deep sleep power well loss. */
+ uint32_t mask = PWR_FLR;
+
+ /* If deep s3 isn't enabled check the suspend well too. */
+ if (!deep_s3_enabled())
+ mask |= SUS_PWR_FLR;
+
+ if (ps->gen_pmcon_a & mask)
+ prev_sleep_state = ACPI_S5;
+ }
+
+ return prev_sleep_state;
+}
+
+void soc_fill_power_state(struct chipset_power_state *ps)
+{
+ uint8_t *pmc;
+
+ ps->tco1_sts = tco_read_reg(TCO1_STS);
+ ps->tco2_sts = tco_read_reg(TCO2_STS);
+
+ printk(BIOS_DEBUG, "TCO_STS: %04x %04x\n", ps->tco1_sts, ps->tco2_sts);
+
+ pmc = pmc_mmio_regs();
+ ps->gen_pmcon_a = read32(pmc + GEN_PMCON_A);
+ ps->gen_pmcon_b = read32(pmc + GEN_PMCON_B);
+ ps->gblrst_cause[0] = read32(pmc + GBLRST_CAUSE0);
+ ps->gblrst_cause[1] = read32(pmc + GBLRST_CAUSE1);
+ ps->hpr_cause0 = read32(pmc + HPR_CAUSE0);
+
+ printk(BIOS_DEBUG, "GEN_PMCON: %08x %08x\n",
+ ps->gen_pmcon_a, ps->gen_pmcon_b);
+
+ printk(BIOS_DEBUG, "GBLRST_CAUSE: %08x %08x\n",
+ ps->gblrst_cause[0], ps->gblrst_cause[1]);
+
+ printk(BIOS_DEBUG, "HPR_CAUSE0: %08x\n", ps->hpr_cause0);
+}
+
+/* STM Support */
+uint16_t get_pmbase(void)
+{
+ return (uint16_t)ACPI_BASE_ADDRESS;
+}
+
+/*
+ * Set which power state system will be after reapplying
+ * the power (from G3 State)
+ */
+void pmc_soc_set_afterg3_en(const bool on)
+{
+ uint8_t reg8;
+ uint8_t *const pmcbase = pmc_mmio_regs();
+
+ reg8 = read8(pmcbase + GEN_PMCON_A);
+ if (on)
+ reg8 &= ~SLEEP_AFTER_POWER_FAIL;
+ else
+ reg8 |= SLEEP_AFTER_POWER_FAIL;
+ write8(pmcbase + GEN_PMCON_A, reg8);
+}
diff --git a/src/soc/intel/pantherlake/retimer.c b/src/soc/intel/pantherlake/retimer.c
new file mode 100644
index 0000000000..c14c04405b
--- /dev/null
+++ b/src/soc/intel/pantherlake/retimer.c
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <drivers/intel/usb4/retimer/retimer.h>
+#include <intelblocks/tcss.h>
+
+int retimer_get_index_for_typec(uint8_t typec_port)
+{
+ const struct device *tcss_port_arr[] = {
+ DEV_PTR(tcss_usb3_port0),
+ DEV_PTR(tcss_usb3_port1),
+ DEV_PTR(tcss_usb3_port2),
+ DEV_PTR(tcss_usb3_port3),
+ };
+
+ for (int i = 0, ec_port = 0; i < MAX_TYPE_C_PORTS; i++) {
+ if (i == typec_port) {
+ printk(BIOS_INFO, "USB Type-C %d mapped to EC port %d\n", typec_port,
+ ec_port);
+ return ec_port;
+ }
+
+ if (is_dev_enabled(tcss_port_arr[i]))
+ ec_port++;
+ }
+
+ /* Code should not come here if typec_port input is correct */
+ return -1;
+}
diff --git a/src/soc/intel/pantherlake/smihandler.c b/src/soc/intel/pantherlake/smihandler.c
new file mode 100644
index 0000000000..6a21f0a757
--- /dev/null
+++ b/src/soc/intel/pantherlake/smihandler.c
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/pci_def.h>
+#include <intelblocks/smihandler.h>
+#include <soc/soc_chip.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+
+int smihandler_soc_disable_busmaster(pci_devfn_t dev)
+{
+ /* Skip disabling PMC bus master to keep IO decode enabled */
+ if (dev == PCI_DEV_PMC)
+ return 0;
+ return 1;
+}
+
+const smi_handler_t southbridge_smi[SMI_STS_BITS] = {
+ [SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep,
+ [APM_STS_BIT] = smihandler_southbridge_apmc,
+ [PM1_STS_BIT] = smihandler_southbridge_pm1,
+ [GPE0_STS_BIT] = smihandler_southbridge_gpe0,
+ [GPIO_STS_BIT] = smihandler_southbridge_gpi,
+ [ESPI_SMI_STS_BIT] = smihandler_southbridge_espi,
+ [MCSMI_STS_BIT] = smihandler_southbridge_mc,
+#if CONFIG(SOC_INTEL_COMMON_BLOCK_SMM_TCO_ENABLE)
+ [TCO_STS_BIT] = smihandler_southbridge_tco,
+#endif
+ [PERIODIC_STS_BIT] = smihandler_southbridge_periodic,
+ [MONITOR_STS_BIT] = smihandler_southbridge_monitor,
+};
diff --git a/src/soc/intel/pantherlake/soundwire.c b/src/soc/intel/pantherlake/soundwire.c
new file mode 100644
index 0000000000..ab1d0bc683
--- /dev/null
+++ b/src/soc/intel/pantherlake/soundwire.c
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi_soundwire.h>
+#include <console/console.h>
+#include <device/mmio.h>
+#include <device/soundwire.h>
+#include <drivers/intel/soundwire/soundwire.h>
+#include <intelblocks/pmclib.h>
+#include <soc/pmc.h>
+#include <stddef.h>
+#include <string.h>
+
+static const struct soundwire_link link_xtal_38_4 = {
+ .clock_stop_mode0_supported = 1,
+ .clock_stop_mode1_supported = 1,
+ .clock_frequencies_supported_count = 1,
+ .clock_frequencies_supported = { 4800 * KHz },
+ .default_frame_rate = 48 * KHz,
+ .default_frame_row_size = 50,
+ .default_frame_col_size = 4,
+ .dynamic_frame_shape = 1,
+ .command_error_threshold = 16,
+};
+
+static const struct soundwire_link link_xtal_24 = {
+ .clock_stop_mode0_supported = 1,
+ .clock_stop_mode1_supported = 1,
+ .clock_frequencies_supported_count = 1,
+ .clock_frequencies_supported = { 6 * MHz },
+ .default_frame_rate = 48 * KHz,
+ .default_frame_row_size = 125,
+ .default_frame_col_size = 2,
+ .dynamic_frame_shape = 1,
+ .command_error_threshold = 16,
+};
+
+static struct intel_soundwire_controller intel_controller = {
+ .acpi_address = 0x40000000, /* Custom address for SNDW driver */
+ .sdw = {
+ .master_list_count = 4
+ }
+};
+
+int soc_fill_soundwire_controller(struct intel_soundwire_controller **controller)
+{
+ const struct soundwire_link *link;
+ enum pch_pmc_xtal xtal = pmc_get_xtal_freq();
+ size_t i;
+
+ /* Select link config based on XTAL frequency and set IP clock. */
+ switch (xtal) {
+ case XTAL_24_MHZ:
+ link = &link_xtal_24;
+ intel_controller.ip_clock = 24 * MHz;
+ break;
+ case XTAL_38_4_MHZ:
+ link = &link_xtal_38_4;
+ intel_controller.ip_clock = 38400 * KHz;
+ break;
+ case XTAL_19_2_MHZ:
+ default:
+ printk(BIOS_ERR, "%s: XTAL not supported: 0x%x\n", __func__, xtal);
+ return -1;
+ }
+
+ /* Fill link config in controller map based on selected XTAL. */
+ for (i = 0; i < intel_controller.sdw.master_list_count; i++)
+ memcpy(&intel_controller.sdw.master_list[i], link, sizeof(*link));
+
+ *controller = &intel_controller;
+ return 0;
+}
diff --git a/src/soc/intel/pantherlake/spi.c b/src/soc/intel/pantherlake/spi.c
new file mode 100644
index 0000000000..f7d751f98e
--- /dev/null
+++ b/src/soc/intel/pantherlake/spi.c
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <intelblocks/fast_spi.h>
+#include <intelblocks/spi.h>
+#include <soc/pci_devs.h>
+
+#define PSF_SPI_DESTINATION_ID 0x5140
+
+int spi_soc_devfn_to_bus(unsigned int devfn)
+{
+ switch (devfn) {
+ case PCI_DEVFN_GSPI0:
+ return 1;
+ case PCI_DEVFN_GSPI1:
+ return 2;
+ case PCI_DEVFN_GSPI2:
+ return 3;
+ }
+ return -1;
+}
+
+uint32_t soc_get_spi_psf_destination_id(void)
+{
+ return PSF_SPI_DESTINATION_ID;
+}
diff --git a/src/soc/intel/pantherlake/systemagent.c b/src/soc/intel/pantherlake/systemagent.c
new file mode 100644
index 0000000000..b325e909ce
--- /dev/null
+++ b/src/soc/intel/pantherlake/systemagent.c
@@ -0,0 +1,211 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <arch/ioapic.h>
+#include <console/console.h>
+#include <cpu/x86/msr.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <intelblocks/cpulib.h>
+#include <intelblocks/msr.h>
+#include <intelblocks/power_limit.h>
+#include <intelblocks/systemagent.h>
+#include <soc/iomap.h>
+#include <soc/soc_chip.h>
+#include <soc/systemagent.h>
+
+/*
+ * SoC implementation
+ *
+ * Add all known fixed memory ranges for Host Controller/Memory
+ * controller.
+ */
+void soc_add_fixed_mmio_resources(struct device *dev, int *index)
+{
+ static const struct sa_mmio_descriptor soc_fixed_resources[] = {
+ { MCHBAR, MCH_BASE_ADDRESS, MCH_BASE_SIZE, "MCHBAR" },
+ { SAFBAR, SAF_BASE_ADDRESS, SAF_BASE_SIZE, "SAFBAR" },
+ { EPBAR, EP_BASE_ADDRESS, EP_BASE_SIZE, "EPBAR" },
+ { REGBAR, REG_BASE_ADDRESS, REG_BASE_SIZE, "REGBAR" },
+ /* First field (sa_mmio_descriptor.index) is not used, setting to 0: */
+ { 0, CRAB_ABORT_BASE_ADDR, CRAB_ABORT_SIZE, "CRAB_ABORT" },
+ { 0, LT_SECURITY_BASE_ADDR, LT_SECURITY_SIZE, "LT_SECURITY" },
+ { 0, IO_APIC_ADDR, APIC_SIZE, "APIC" },
+ { 0, PCH_PRESERVED_BASE_ADDRESS, PCH_PRESERVED_BASE_SIZE, "PCH_RESERVED" },
+ };
+
+ sa_add_fixed_mmio_resources(dev, index, soc_fixed_resources,
+ ARRAY_SIZE(soc_fixed_resources));
+
+ /* Add Vt-d resources if VT-d is enabled */
+ if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE))
+ return;
+
+ sa_add_fixed_mmio_resources(dev, index, soc_vtd_resources,
+ ARRAY_SIZE(soc_vtd_resources));
+}
+
+/*
+ * Set MMIO resource's fields
+ */
+static void set_mmio_resource(
+ struct sa_mmio_descriptor *resource,
+ uint64_t base,
+ uint64_t size,
+ const char *description)
+{
+ if (resource == NULL) {
+ printk(BIOS_ERR, "%s: argument resource is NULL for %s\n",
+ __func__, description);
+ return;
+ }
+ resource->base = base;
+ resource->size = size;
+ resource->description = description;
+}
+
+int soc_get_uncore_prmmr_base_and_mask(uint64_t *prmrr_base,
+ uint64_t *prmrr_mask)
+{
+ msr_t msr;
+ msr = rdmsr(MSR_PRMRR_BASE_0);
+ *prmrr_base = (uint64_t)msr.hi << 32 | msr.lo;
+ msr = rdmsr(MSR_PRMRR_PHYS_MASK);
+ *prmrr_mask = (uint64_t)msr.hi << 32 | msr.lo;
+ return 0;
+}
+
+/*
+ * SoC implementation
+ *
+ * Add all known configurable memory ranges for Host Controller/Memory
+ * controller.
+ */
+void soc_add_configurable_mmio_resources(struct device *dev, int *resource_cnt)
+{
+ uint64_t size, base, tseg_base;
+ int count = 0;
+ struct sa_mmio_descriptor cfg_rsrc[6]; /* Increase size when adding more resources */
+
+ /* MMCONF */
+ size = sa_get_mmcfg_size();
+ if (size > 0)
+ set_mmio_resource(&(cfg_rsrc[count++]), CONFIG_ECAM_MMCONF_BASE_ADDRESS,
+ size, "MMCONF");
+
+ /* DSM */
+ size = sa_get_dsm_size();
+ if (size > 0) {
+ base = pci_read_config32(dev, BDSM) & 0xFFF00000;
+ set_mmio_resource(&(cfg_rsrc[count++]), base, size, "DSM");
+ }
+
+ /* TSEG */
+ size = sa_get_tseg_size();
+ tseg_base = sa_get_tseg_base();
+ if (size > 0)
+ set_mmio_resource(&(cfg_rsrc[count++]), tseg_base, size, "TSEG");
+
+ /* PMRR */
+ size = get_valid_prmrr_size();
+ if (size > 0) {
+ uint64_t mask;
+ if (soc_get_uncore_prmmr_base_and_mask(&base, &mask) == 0) {
+ base &= mask;
+ set_mmio_resource(&(cfg_rsrc[count++]), base, size, "PMRR");
+ } else {
+ printk(BIOS_ERR, "SA: Failed to get PRMRR base and mask\n");
+ }
+ }
+
+ /* GSM */
+ size = sa_get_gsm_size();
+ if (size > 0) {
+ base = sa_get_gsm_base();
+ set_mmio_resource(&(cfg_rsrc[count++]), base, size, "GSM");
+ }
+
+ /* DPR */
+ size = sa_get_dpr_size();
+ if (size > 0) {
+ /* DPR just below TSEG: */
+ base = tseg_base - size;
+ set_mmio_resource(&(cfg_rsrc[count++]), base, size, "DPR");
+ }
+
+ /* Add all the above */
+ sa_add_fixed_mmio_resources(dev, resource_cnt, cfg_rsrc, count);
+}
+
+static void configure_tdp(struct device *dev)
+{
+ struct soc_power_limits_config *soc_config;
+ struct device *sa;
+ uint16_t sa_pci_id;
+ u8 tdp;
+ size_t i;
+ bool config_tdp = false;
+ config_t *config;
+
+ config = config_of_soc();
+
+ /* Get System Agent PCI ID */
+ sa = pcidev_path_on_root(PCI_DEVFN_ROOT);
+ sa_pci_id = sa ? pci_read_config16(sa, PCI_DEVICE_ID) : 0xFFFF;
+
+ if (sa_pci_id == 0xFFFF) {
+ printk(BIOS_WARNING, "Unknown SA PCI Device!\n");
+ return;
+ }
+
+ tdp = get_cpu_tdp();
+
+ /*
+ * Choose power limits configuration based on the CPU SA PCI ID and
+ * CPU TDP value.
+ */
+ for (i = 0; i < ARRAY_SIZE(cpuid_to_ptl); i++) {
+ if (sa_pci_id == cpuid_to_ptl[i].cpu_id &&
+ tdp == cpuid_to_ptl[i].cpu_tdp) {
+ soc_config = &config->power_limits_config[cpuid_to_ptl[i].limits];
+ set_power_limits(MOBILE_SKU_PL1_TIME_SEC, soc_config);
+ config_tdp = true;
+ printk(BIOS_DEBUG, "Configured power limits for SA PCI ID: 0x%4x\n",
+ sa_pci_id);
+ break;
+ }
+ }
+
+ if (!config_tdp) {
+ printk(BIOS_WARNING, "Skipped power limits configuration for SA PCI ID: 0x%4x\n",
+ sa_pci_id);
+ return;
+ }
+}
+
+/*
+ * SoC implementation
+ *
+ * Perform System Agent Initialization during ramstage phase.
+ */
+void soc_systemagent_init(struct device *dev)
+{
+ /* Enable Power Aware Interrupt Routing */
+ enable_power_aware_intr();
+
+ /* Configure TDP */
+ configure_tdp(dev);
+}
+
+uint32_t soc_systemagent_max_chan_capacity_mib(u8 capid0_a_ddrsz)
+{
+ switch (capid0_a_ddrsz) {
+ case 1:
+ return 8192;
+ case 2:
+ return 4096;
+ case 3:
+ return 2048;
+ default:
+ return 65536;
+ }
+}
diff --git a/src/soc/intel/pantherlake/tcss.c b/src/soc/intel/pantherlake/tcss.c
new file mode 100644
index 0000000000..99cbdd2d67
--- /dev/null
+++ b/src/soc/intel/pantherlake/tcss.c
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <intelblocks/tcss.h>
+#include <soc/soc_chip.h>
+
+const struct soc_tcss_ops tcss_ops = {
+/* TODO: Implement AUX BIAS PAD Programming if required */
+ .configure_aux_bias_pads = NULL,
+ .valid_tbt_auth = NULL,
+};
diff --git a/src/soc/intel/pantherlake/uart.c b/src/soc/intel/pantherlake/uart.c
new file mode 100644
index 0000000000..9f549c5ae8
--- /dev/null
+++ b/src/soc/intel/pantherlake/uart.c
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <commonlib/helpers.h>
+#include <soc/pci_devs.h>
+
+const unsigned int uart_devices[] = {
+ PCI_DEVFN_UART0,
+ PCI_DEVFN_UART1,
+ PCI_DEVFN_UART2,
+};
+
+const int uart_devices_size = ARRAY_SIZE(uart_devices);
diff --git a/src/soc/intel/pantherlake/xhci.c b/src/soc/intel/pantherlake/xhci.c
new file mode 100644
index 0000000000..ed265d8251
--- /dev/null
+++ b/src/soc/intel/pantherlake/xhci.c
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/pci_type.h>
+#include <intelblocks/xhci.h>
+#include <soc/pci_devs.h>
+
+#define XHCI_USB2_PORT_STATUS_REG 0x480
+#define XHCI_USB3_PORT_STATUS_REG 0x540
+#define XHCI_USB2_PORT_NUM CONFIG_SOC_INTEL_USB2_DEV_MAX
+#define XHCI_USB3_PORT_NUM CONFIG_SOC_INTEL_USB3_DEV_MAX
+
+#define TCSS_XHCI_USB2_PORT_STATUS_REG 0x480
+#define TCSS_XHCI_USB3_PORT_STATUS_REG 0x490
+#define TCSS_XHCI_USB2_PORT_NUM 0
+#define TCSS_XHCI_USB3_PORT_NUM 4
+
+static const struct xhci_usb_info usb_info = {
+ .usb2_port_status_reg = XHCI_USB2_PORT_STATUS_REG,
+ .num_usb2_ports = XHCI_USB2_PORT_NUM,
+ .usb3_port_status_reg = XHCI_USB3_PORT_STATUS_REG,
+ .num_usb3_ports = XHCI_USB3_PORT_NUM,
+};
+
+static const struct xhci_usb_info tcss_usb_info = {
+ .usb2_port_status_reg = TCSS_XHCI_USB2_PORT_STATUS_REG,
+ .num_usb2_ports = TCSS_XHCI_USB2_PORT_NUM,
+ .usb3_port_status_reg = TCSS_XHCI_USB3_PORT_STATUS_REG,
+ .num_usb3_ports = TCSS_XHCI_USB3_PORT_NUM,
+};
+
+const struct xhci_usb_info *soc_get_xhci_usb_info(pci_devfn_t xhci_dev)
+{
+ if (xhci_dev == PCI_DEVFN_XHCI)
+ return &usb_info;
+ else if (xhci_dev == PCI_DEVFN_TCSS_XHCI)
+ return &tcss_usb_info;
+
+ return NULL;
+}