soc/intel/alderlake/bootblock: Do initial SoC commit till bootblock
List of changes:
1. Add required SoC programming till bootblock
2. Include only required headers into include/soc
3. Add CPU/PCH/SA EDS document number and chapter number
4. Include ADL-P related DID, BDF
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Change-Id: I204e692fabb84fce297bebee465f4ca624c6fe56
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44857
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
new file mode 100644
index 0000000..ee1e871
--- /dev/null
+++ b/src/soc/intel/alderlake/Kconfig
@@ -0,0 +1,132 @@
+config SOC_INTEL_ALDERLAKE
+ bool
+ help
+ Intel Alderlake support
+
+if SOC_INTEL_ALDERLAKE
+
+config CPU_SPECIFIC_OPTIONS
+ def_bool y
+ select ARCH_BOOTBLOCK_X86_32
+ select BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY if BOOT_DEVICE_SPI_FLASH
+ select BOOT_DEVICE_SUPPORTS_WRITES
+ select INTEL_DESCRIPTOR_MODE_CAPABLE
+ select IDT_IN_EVERY_STAGE
+ select INTEL_CAR_NEM #TODO - Enable INTEL_CAR_NEM_ENHANCED
+ select MICROCODE_BLOB_UNDISCLOSED
+ select SOC_INTEL_COMMON
+ select SOC_INTEL_COMMON_BLOCK
+ select SOC_INTEL_COMMON_BLOCK_CPU
+ select SOC_INTEL_COMMON_BLOCK_GSPI_VERSION_2
+ select SOC_INTEL_COMMON_BLOCK_SA
+ select SOC_INTEL_COMMON_PCH_BASE
+ select SOC_INTEL_COMMON_RESET
+ select SOC_INTEL_COMMON_BLOCK_CAR
+ select SSE2
+ select SUPPORT_CPU_UCODE_IN_CBFS
+ select TSC_MONOTONIC_TIMER
+ select UDELAY_TSC
+
+config DCACHE_RAM_BASE
+ default 0xfef00000
+
+config DCACHE_RAM_SIZE
+ default 0x80000
+ help
+ The size of the cache-as-ram region required during bootblock
+ and/or romstage.
+
+config DCACHE_BSP_STACK_SIZE
+ hex
+ default 0x40400
+ help
+ The amount of anticipated stack usage in CAR by bootblock and
+ other stages. In the case of FSP_USES_CB_STACK default value will be
+ sum of FSP-M stack requirement(256KiB) and CB romstage stack requirement
+ (~1KiB).
+
+config FSP_TEMP_RAM_SIZE
+ hex
+ default 0x20000
+ help
+ The amount of anticipated heap usage in CAR by FSP.
+ Refer to Platform FSP integration guide document to know
+ the exact FSP requirement for Heap setup.
+
+config IFD_CHIPSET
+ string
+ default "adl"
+
+config IED_REGION_SIZE
+ hex
+ default 0x400000
+
+config HEAP_SIZE
+ hex
+ default 0x10000
+
+config PCR_BASE_ADDRESS
+ hex
+ default 0xfd000000
+ help
+ This option allows you to select MMIO Base Address of sideband bus.
+
+config MMCONF_BASE_ADDRESS
+ hex
+ default 0xc0000000
+
+config CPU_BCLK_MHZ
+ int
+ default 100
+
+config SOC_INTEL_COMMON_BLOCK_GSPI_CLOCK_MHZ
+ int
+ default 120
+
+config DRIVERS_I2C_DESIGNWARE_CLOCK_MHZ
+ int
+ default 133
+
+config SOC_INTEL_COMMON_BLOCK_GSPI_MAX
+ int
+ default 7
+
+config SOC_INTEL_I2C_DEV_MAX
+ int
+ default 6
+
+config SOC_INTEL_UART_DEV_MAX
+ int
+ default 7
+
+config CONSOLE_UART_BASE_ADDRESS
+ hex
+ default 0xfe032000
+ depends on INTEL_LPSS_UART_FOR_CONSOLE
+
+# Clock divider parameters for 115200 baud rate
+# Baudrate = (UART source clcok * M) /(N *16)
+# ADL UART source clock: 120MHz
+config SOC_INTEL_COMMON_LPSS_UART_CLK_M_VAL
+ hex
+ default 0x25a
+
+config SOC_INTEL_COMMON_LPSS_UART_CLK_N_VAL
+ hex
+ default 0x7fff
+
+config CHROMEOS
+ select CHROMEOS_RAMOOPS_DYNAMIC
+
+config C_ENV_BOOTBLOCK_SIZE
+ hex
+ default 0xC000
+
+config CBFS_SIZE
+ hex
+ default 0x200000
+
+config PRERAM_CBMEM_CONSOLE_SIZE
+ hex
+ default 0x1400
+endif
diff --git a/src/soc/intel/alderlake/Makefile.inc b/src/soc/intel/alderlake/Makefile.inc
new file mode 100644
index 0000000..cc37b6f
--- /dev/null
+++ b/src/soc/intel/alderlake/Makefile.inc
@@ -0,0 +1,8 @@
+ifeq ($(CONFIG_SOC_INTEL_ALDERLAKE),y)
+bootblock-y += bootblock/bootblock.c
+bootblock-y += bootblock/cpu.c
+bootblock-y += bootblock/pch.c
+bootblock-y += bootblock/report_platform.c
+CPPFLAGS_common += -I$(src)/soc/intel/alderlake
+CPPFLAGS_common += -I$(src)/soc/intel/alderlake/include
+endif
diff --git a/src/soc/intel/alderlake/bootblock/bootblock.c b/src/soc/intel/alderlake/bootblock/bootblock.c
new file mode 100644
index 0000000..e7d97c5
--- /dev/null
+++ b/src/soc/intel/alderlake/bootblock/bootblock.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootblock_common.h>
+#include <intelblocks/systemagent.h>
+#include <intelblocks/tco.h>
+#include <intelblocks/uart.h>
+#include <soc/bootblock.h>
+
+asmlinkage void bootblock_c_entry(uint64_t base_timestamp)
+{
+ /* Call lib/bootblock.c main */
+ bootblock_main_with_basetime(base_timestamp);
+}
+
+void bootblock_soc_early_init(void)
+{
+ bootblock_systemagent_early_init();
+ bootblock_pch_early_init();
+ bootblock_cpu_init();
+ pch_early_iorange_init();
+ if (CONFIG(INTEL_LPSS_UART_FOR_CONSOLE))
+ uart_bootblock_init();
+}
+
+void bootblock_soc_init(void)
+{
+ report_platform_info();
+ pch_init();
+
+ /* Programming TCO_BASE_ADDRESS and TCO Timer Halt */
+ tco_configure();
+}
diff --git a/src/soc/intel/alderlake/bootblock/cpu.c b/src/soc/intel/alderlake/bootblock/cpu.c
new file mode 100644
index 0000000..4225358
--- /dev/null
+++ b/src/soc/intel/alderlake/bootblock/cpu.c
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is created based on Intel Alder Lake Processor PCH Datasheet
+ * Document number: 621483
+ * Chapter number: 7
+ */
+
+#include <intelblocks/fast_spi.h>
+#include <soc/bootblock.h>
+
+void bootblock_cpu_init(void)
+{
+ /*
+ * Alderlake platform doesn't support booting from any other media
+ * than SPI flash and on IA platform SPI is memory mapped hence
+ * enabling temporary caching of memory-mapped spi boot media.
+ */
+ fast_spi_cache_bios_region();
+}
diff --git a/src/soc/intel/alderlake/bootblock/pch.c b/src/soc/intel/alderlake/bootblock/pch.c
new file mode 100644
index 0000000..8452d83
--- /dev/null
+++ b/src/soc/intel/alderlake/bootblock/pch.c
@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is created based on Intel Alder Lake Processor PCH Datasheet
+ * Document number: 621483
+ * Chapter number: 2, 3, 4, 27, 28
+ */
+
+#include <device/mmio.h>
+#include <device/device.h>
+#include <device/pci_ops.h>
+#include <intelblocks/fast_spi.h>
+#include <intelblocks/gspi.h>
+#include <intelblocks/lpc_lib.h>
+#include <intelblocks/p2sb.h>
+#include <intelblocks/pcr.h>
+#include <intelblocks/pmclib.h>
+#include <intelblocks/rtc.h>
+#include <soc/bootblock.h>
+#include <soc/espi.h>
+#include <soc/iomap.h>
+#include <soc/p2sb.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <soc/pcr_ids.h>
+#include <soc/pm.h>
+
+#define PCR_PSF3_TO_SHDW_PMC_REG_BASE 0x1100
+#define PCR_PSFX_TO_SHDW_BAR0 0
+#define PCR_PSFX_TO_SHDW_BAR1 0x4
+#define PCR_PSFX_TO_SHDW_BAR2 0x8
+#define PCR_PSFX_TO_SHDW_BAR3 0xC
+#define PCR_PSFX_TO_SHDW_BAR4 0x10
+#define PCR_PSFX_TO_SHDW_PCIEN_IOEN 0x01
+#define PCR_PSFX_T0_SHDW_PCIEN 0x1C
+
+#define PCR_DMI_DMICTL 0x2234
+#define PCR_DMI_DMICTL_SRLOCK (1 << 31)
+
+#define PCR_DMI_ACPIBA 0x27B4
+#define PCR_DMI_ACPIBDID 0x27B8
+#define PCR_DMI_PMBASEA 0x27AC
+#define PCR_DMI_PMBASEC 0x27B0
+
+#define PCR_DMI_LPCIOD 0x2770
+#define PCR_DMI_LPCIOE 0x2774
+
+static void soc_config_pwrmbase(void)
+{
+ /*
+ * Assign Resources to PWRMBASE
+ * Clear BIT 1-2 Command Register
+ */
+ pci_and_config16(PCH_DEV_PMC, PCI_COMMAND, ~(PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER));
+
+ /* Program PWRM Base */
+ pci_write_config32(PCH_DEV_PMC, PWRMBASE, PCH_PWRM_BASE_ADDRESS);
+
+ /* Enable Bus Master and MMIO Space */
+ pci_or_config16(PCH_DEV_PMC, PCI_COMMAND, (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER));
+
+ /* Enable PWRM in PMC */
+ setbits32((void *) PCH_PWRM_BASE_ADDRESS + ACTL, PWRM_EN);
+}
+
+void bootblock_pch_early_init(void)
+{
+ fast_spi_early_init(SPI_BASE_ADDRESS);
+ gspi_early_bar_init();
+ p2sb_enable_bar();
+ p2sb_configure_hpet();
+
+ /*
+ * Enabling PWRM Base for accessing
+ * Global Reset Cause Register.
+ */
+ soc_config_pwrmbase();
+}
+
+static void soc_config_acpibase(void)
+{
+ uint32_t pmc_reg_value;
+ uint32_t pmc_base_reg = PCR_PSF3_TO_SHDW_PMC_REG_BASE;
+
+ pmc_reg_value = pcr_read32(PID_PSF3, pmc_base_reg + PCR_PSFX_TO_SHDW_BAR4);
+
+ if (pmc_reg_value != 0xffffffff) {
+ /* Disable Io Space before changing the address */
+ pcr_rmw32(PID_PSF3, pmc_base_reg + PCR_PSFX_T0_SHDW_PCIEN,
+ ~PCR_PSFX_TO_SHDW_PCIEN_IOEN, 0);
+ /* Program ABASE in PSF3 PMC space BAR4*/
+ pcr_write32(PID_PSF3, pmc_base_reg + PCR_PSFX_TO_SHDW_BAR4,
+ ACPI_BASE_ADDRESS);
+ /* Enable IO Space */
+ pcr_rmw32(PID_PSF3, pmc_base_reg + PCR_PSFX_T0_SHDW_PCIEN,
+ ~0, PCR_PSFX_TO_SHDW_PCIEN_IOEN);
+ }
+}
+
+static int pch_check_decode_enable(void)
+{
+ const uint32_t dmi_control = pcr_read32(PID_DMI, PCR_DMI_DMICTL);
+
+ /*
+ * This cycle decoding is only allowed to set when
+ * DMICTL.SRLOCK is 0.
+ */
+ if (dmi_control & PCR_DMI_DMICTL_SRLOCK)
+ return -1;
+ return 0;
+}
+
+void pch_early_iorange_init(void)
+{
+ uint16_t io_enables = LPC_IOE_SUPERIO_2E_2F | LPC_IOE_KBC_60_64 |
+ LPC_IOE_EC_62_66 | LPC_IOE_LGE_200;
+
+ /* IO Decode Range */
+ if (CONFIG(DRIVERS_UART_8250IO))
+ lpc_io_setup_comm_a_b();
+
+ /* IO Decode Enable */
+ if (pch_check_decode_enable() == 0) {
+ io_enables = lpc_enable_fixed_io_ranges(io_enables);
+ /*
+ * Set ESPI IO Enables PCR[DMI] + 2774h [15:0] to the same
+ * value programmed in ESPI PCI offset 82h.
+ */
+ pcr_write16(PID_DMI, PCR_DMI_LPCIOE, io_enables);
+ /*
+ * Set LPC IO Decode Ranges PCR[DMI] + 2770h [15:0] to the same
+ * value programmed in LPC PCI offset 80h.
+ */
+ pcr_write16(PID_DMI, PCR_DMI_LPCIOD, lpc_get_fixed_io_decode());
+ }
+
+ /* Program generic IO Decode Range */
+ pch_enable_lpc();
+}
+
+void pch_init(void)
+{
+ /*
+ * Enabling ABASE for accessing PM1_STS, PM1_EN, PM1_CNT,
+ * GPE0_STS, GPE0_EN registers.
+ */
+ soc_config_acpibase();
+
+ /* Set up GPE configuration */
+ pmc_gpe_init();
+
+ enable_rtc_upper_bank();
+}
diff --git a/src/soc/intel/alderlake/bootblock/report_platform.c b/src/soc/intel/alderlake/bootblock/report_platform.c
new file mode 100644
index 0000000..38e909c
--- /dev/null
+++ b/src/soc/intel/alderlake/bootblock/report_platform.c
@@ -0,0 +1,200 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is created based on Intel Alder Lake Platform Stepping and IDs
+ * Document number: 619362, 619501
+ * Chapter number: 2, 14
+ */
+
+#include <arch/cpu.h>
+#include <device/pci_ops.h>
+#include <console/console.h>
+#include <cpu/intel/microcode.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/name.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <intelblocks/mp_init.h>
+#include <soc/bootblock.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <string.h>
+
+static struct {
+ u32 cpuid;
+ const char *name;
+} cpu_table[] = {
+ { CPUID_ALDERLAKE_P_A0, "Alderlake-P A0" },
+};
+
+static struct {
+ u16 mchid;
+ const char *name;
+} mch_table[] = {
+ { PCI_DEVICE_ID_INTEL_ADL_P_ID_1, "Alderlake-P" },
+ { PCI_DEVICE_ID_INTEL_ADL_P_ID_2, "Alderlake-P" },
+ { PCI_DEVICE_ID_INTEL_ADL_P_ID_3, "Alderlake-P" },
+ { PCI_DEVICE_ID_INTEL_ADL_P_ID_4, "Alderlake-P" },
+ { PCI_DEVICE_ID_INTEL_ADL_P_ID_5, "Alderlake-P" },
+ { PCI_DEVICE_ID_INTEL_ADL_P_ID_6, "Alderlake-P" },
+ { PCI_DEVICE_ID_INTEL_ADL_P_ID_7, "Alderlake-P" },
+ { PCI_DEVICE_ID_INTEL_ADL_P_ID_8, "Alderlake-P" },
+ { PCI_DEVICE_ID_INTEL_ADL_P_ID_9, "Alderlake-P" },
+};
+
+static struct {
+ u16 espiid;
+ const char *name;
+} pch_table[] = {
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_0, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_1, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_2, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_3, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_4, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_5, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_6, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_7, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_8, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_9, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_10, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_11, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_12, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_13, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_14, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_15, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_16, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_17, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_18, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_19, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_20, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_21, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_22, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_23, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_24, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_25, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_26, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_27, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_28, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_29, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_30, "Alderlake-P SKU" },
+ { PCI_DEVICE_ID_INTEL_ADP_P_ESPI_31, "Alderlake-P SKU" },
+};
+
+static struct {
+ u16 igdid;
+ const char *name;
+} igd_table[] = {
+ { PCI_DEVICE_ID_INTEL_ADL_GT0, "Alderlake GT0" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1_1, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1_2, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1_3, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1_4, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1_5, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1_6, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1_7, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1_8, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_GT1_9, "Alderlake GT1" },
+ { PCI_DEVICE_ID_INTEL_ADL_P_GT2, "Alderlake P GT2" },
+};
+
+static inline uint8_t get_dev_revision(pci_devfn_t dev)
+{
+ return pci_read_config8(dev, PCI_REVISION_ID);
+}
+
+static inline uint16_t get_dev_id(pci_devfn_t dev)
+{
+ return pci_read_config16(dev, PCI_DEVICE_ID);
+}
+
+static void report_cpu_info(void)
+{
+ u32 i, cpu_id, cpu_feature_flag;
+ char cpu_name[49];
+ int vt, txt, aes;
+ static const char *const mode[] = {"NOT ", ""};
+ const char *cpu_type = "Unknown";
+
+ fill_processor_name(cpu_name);
+ cpu_id = cpu_get_cpuid();
+
+ /* Look for string to match the name */
+ for (i = 0; i < ARRAY_SIZE(cpu_table); i++) {
+ if (cpu_table[i].cpuid == cpu_id) {
+ cpu_type = cpu_table[i].name;
+ break;
+ }
+ }
+
+ printk(BIOS_DEBUG, "CPU: %s\n", cpu_name);
+ printk(BIOS_DEBUG, "CPU: ID %x, %s, ucode: %08x\n",
+ cpu_id, cpu_type, get_current_microcode_rev());
+
+ cpu_feature_flag = cpu_get_feature_flags_ecx();
+ aes = !!(cpu_feature_flag & CPUID_AES);
+ txt = !!(cpu_feature_flag & CPUID_SMX);
+ vt = !!(cpu_feature_flag & CPUID_VMX);
+ printk(BIOS_DEBUG,
+ "CPU: AES %ssupported, TXT %ssupported, VT %ssupported\n",
+ mode[aes], mode[txt], mode[vt]);
+}
+
+static void report_mch_info(void)
+{
+ int i;
+ uint16_t mchid = get_dev_id(SA_DEV_ROOT);
+ const char *mch_type = "Unknown";
+
+ for (i = 0; i < ARRAY_SIZE(mch_table); i++) {
+ if (mch_table[i].mchid == mchid) {
+ mch_type = mch_table[i].name;
+ break;
+ }
+ }
+
+ printk(BIOS_DEBUG, "MCH: device id %04x (rev %02x) is %s\n",
+ mchid, get_dev_revision(SA_DEV_ROOT), mch_type);
+}
+
+static void report_pch_info(void)
+{
+ int i;
+ pci_devfn_t dev = PCH_DEV_ESPI;
+ uint16_t espiid = get_dev_id(dev);
+ const char *pch_type = "Unknown";
+
+ for (i = 0; i < ARRAY_SIZE(pch_table); i++) {
+ if (pch_table[i].espiid == espiid) {
+ pch_type = pch_table[i].name;
+ break;
+ }
+ }
+ printk(BIOS_DEBUG, "PCH: device id %04x (rev %02x) is %s\n",
+ espiid, get_dev_revision(dev), pch_type);
+}
+
+static void report_igd_info(void)
+{
+ int i;
+ pci_devfn_t dev = SA_DEV_IGD;
+ uint16_t igdid = get_dev_id(dev);
+ const char *igd_type = "Unknown";
+
+ for (i = 0; i < ARRAY_SIZE(igd_table); i++) {
+ if (igd_table[i].igdid == igdid) {
+ igd_type = igd_table[i].name;
+ break;
+ }
+ }
+ printk(BIOS_DEBUG, "IGD: device id %04x (rev %02x) is %s\n",
+ igdid, get_dev_revision(dev), igd_type);
+}
+
+void report_platform_info(void)
+{
+ report_cpu_info();
+ report_mch_info();
+ report_pch_info();
+ report_igd_info();
+}
diff --git a/src/soc/intel/alderlake/include/soc/bootblock.h b/src/soc/intel/alderlake/include/soc/bootblock.h
new file mode 100644
index 0000000..9816b31
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/bootblock.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_ALDERLAKE_BOOTBLOCK_H_
+#define _SOC_ALDERLAKE_BOOTBLOCK_H_
+
+/* Bootblock pre console init programming */
+void bootblock_cpu_init(void);
+void bootblock_pch_early_init(void);
+
+/* Bootblock post console init programming */
+void pch_init(void);
+void pch_early_iorange_init(void);
+void report_platform_info(void);
+
+#endif
diff --git a/src/soc/intel/alderlake/include/soc/espi.h b/src/soc/intel/alderlake/include/soc/espi.h
new file mode 100644
index 0000000..49ccdb4
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/espi.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is created based on Intel Alder Lake Processor PCH Datasheet
+ * Document number: 621483
+ * Chapter number: 2
+ */
+
+#ifndef _SOC_ALDERLAKE_ESPI_H_
+#define _SOC_ALDERLAKE_ESPI_H_
+
+/* PCI Configuration Space (D31:F0): ESPI */
+#define SCI_IRQ_SEL (7 << 0)
+#define SCIS_IRQ9 0
+#define SCIS_IRQ10 1
+#define SCIS_IRQ11 2
+#define SCIS_IRQ20 4
+#define SCIS_IRQ21 5
+#define SCIS_IRQ22 6
+#define SCIS_IRQ23 7
+#define SERIRQ_CNTL 0x64
+#define ESPI_IO_DEC 0x80 /* IO Decode Ranges Register */
+#define COMA_RANGE 0x0 /* 0x3F8 - 0x3FF COM1*/
+#define COMB_RANGE 0x1 /* 0x2F8 - 0x2FF COM2*/
+#define ESPI_GEN1_DEC 0x84 /* ESPI IF Generic Decode Range 1 */
+#define ESPI_GEN2_DEC 0x88 /* ESPI IF Generic Decode Range 2 */
+#define ESPI_GEN3_DEC 0x8c /* ESPI IF Generic Decode Range 3 */
+#define ESPI_GEN4_DEC 0x90 /* ESPI IF Generic Decode Range 4 */
+#define LGMR 0x98 /* ESPI Generic Memory Range */
+#define PCCTL 0xE0 /* PCI Clock Control */
+#define CLKRUN_EN (1 << 0)
+
+#endif
diff --git a/src/soc/intel/alderlake/include/soc/iomap.h b/src/soc/intel/alderlake/include/soc/iomap.h
new file mode 100644
index 0000000..e71ddb5
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/iomap.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is created based on Intel Alder Lake Firmware Architecture Specification
+ * Document number: 626540
+ * Chapter number: 4
+ */
+
+#ifndef _SOC_ALDERLAKE_IOMAP_H_
+#define _SOC_ALDERLAKE_IOMAP_H_
+
+/*
+ * Memory-mapped I/O registers.
+ */
+#define MCFG_BASE_ADDRESS CONFIG_MMCONF_BASE_ADDRESS
+#define MCFG_BASE_SIZE 0x4000000
+
+#define PCH_PRESERVED_BASE_ADDRESS 0xfc800000
+#define PCH_PRESERVED_BASE_SIZE 0x02000000
+
+#define PCH_TRACE_HUB_BASE_ADDRESS 0xfc800000
+#define PCH_TRACE_HUB_BASE_SIZE 0x00800000
+
+#define UART_BASE_SIZE 0x1000
+
+#define UART_BASE_0_ADDRESS 0xfe03e000
+/* Both UART BAR 0 and 1 are 4KB in size */
+#define UART_BASE_0_ADDR(x) (UART_BASE_0_ADDRESS + (2 * \
+ UART_BASE_SIZE * (x)))
+#define UART_BASE(x) UART_BASE_0_ADDR(x)
+
+#define DMI_BASE_ADDRESS 0xfeda0000
+#define DMI_BASE_SIZE 0x1000
+
+#define EP_BASE_ADDRESS 0xfeda1000
+#define EP_BASE_SIZE 0x1000
+
+#define EDRAM_BASE_ADDRESS 0xfed80000
+#define EDRAM_BASE_SIZE 0x4000
+
+#define REG_BASE_ADDRESS 0xfb000000
+#define REG_BASE_SIZE 0x1000
+
+#define HPET_BASE_ADDRESS 0xfed00000
+
+#define PCH_PWRM_BASE_ADDRESS 0xfe000000
+#define PCH_PWRM_BASE_SIZE 0x10000
+
+#define SPI_BASE_ADDRESS 0xfe010000
+
+#define GPIO_BASE_SIZE 0x10000
+
+#define HECI1_BASE_ADDRESS 0xfeda2000
+
+#define VTD_BASE_ADDRESS 0xfed90000
+#define VTD_BASE_SIZE 0x00004000
+
+#define MCH_BASE_ADDRESS 0xfedc0000
+#define MCH_BASE_SIZE 0x20000
+
+#define EARLY_GSPI_BASE_ADDRESS 0xfe030000
+
+#define EARLY_I2C_BASE_ADDRESS 0xfe020000
+#define EARLY_I2C_BASE(x) (EARLY_I2C_BASE_ADDRESS + (0x2000 * (x)))
+
+#define IOM_BASE_ADDRESS 0xfbc10000
+#define IOM_BASE_SIZE 0x1600
+
+/*
+ * I/O port address space
+ */
+#define SMBUS_BASE_ADDRESS 0x0efa0
+#define SMBUS_BASE_SIZE 0x20
+
+#define ACPI_BASE_ADDRESS 0x1800
+#define ACPI_BASE_SIZE 0x100
+
+#define TCO_BASE_ADDRESS 0x400
+#define TCO_BASE_SIZE 0x20
+
+#define P2SB_BAR CONFIG_PCR_BASE_ADDRESS
+#define P2SB_SIZE (16 * MiB)
+
+#endif
diff --git a/src/soc/intel/alderlake/include/soc/p2sb.h b/src/soc/intel/alderlake/include/soc/p2sb.h
new file mode 100644
index 0000000..2726851
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/p2sb.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is created based on Intel Alder Lake Processor PCH Datasheet
+ * Document number: 621483
+ * Chapter number: 3
+ */
+
+#ifndef _SOC_ALDERLAKE_P2SB_H_
+#define _SOC_ALDERLAKE_P2SB_H_
+
+#define HPTC_OFFSET 0x60
+#define HPTC_ADDR_ENABLE_BIT (1 << 7)
+
+#define PCH_P2SB_EPMASK0 0x220
+
+#endif
diff --git a/src/soc/intel/alderlake/include/soc/pch.h b/src/soc/intel/alderlake/include/soc/pch.h
new file mode 100644
index 0000000..89e8a8a
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/pch.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_ALDERLAKE_PCH_H_
+#define _SOC_ALDERLAKE_PCH_H_
+
+#define PCIE_CLK_NOTUSED 0xFF
+#define PCIE_CLK_LAN 0x70
+#define PCIE_CLK_FREE 0x80
+
+#endif
diff --git a/src/soc/intel/alderlake/include/soc/pci_devs.h b/src/soc/intel/alderlake/include/soc/pci_devs.h
new file mode 100644
index 0000000..eedcc27
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/pci_devs.h
@@ -0,0 +1,191 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_ALDERLAKE_PCI_DEVS_H_
+#define _SOC_ALDERLAKE_PCI_DEVS_H_
+
+#include <device/pci_def.h>
+
+#define _PCH_DEVFN(slot, func) PCI_DEVFN(PCH_DEV_SLOT_ ## slot, func)
+
+#if !defined(__SIMPLE_DEVICE__)
+#include <device/device.h>
+#define _PCH_DEV(slot, func) pcidev_path_on_root_debug(_PCH_DEVFN(slot, func), __func__)
+#else
+#define _PCH_DEV(slot, func) PCI_DEV(0, PCH_DEV_SLOT_ ## slot, func)
+#endif
+
+/* System Agent Devices */
+
+#define SA_DEV_SLOT_ROOT 0x00
+#define SA_DEVFN_ROOT PCI_DEVFN(SA_DEV_SLOT_ROOT, 0)
+#if defined(__SIMPLE_DEVICE__)
+#define SA_DEV_ROOT PCI_DEV(0, SA_DEV_SLOT_ROOT, 0)
+#endif
+
+#define SA_DEV_SLOT_IGD 0x02
+#define SA_DEVFN_IGD PCI_DEVFN(SA_DEV_SLOT_IGD, 0)
+#define SA_DEV_IGD PCI_DEV(0, SA_DEV_SLOT_IGD, 0)
+
+#define SA_DEV_SLOT_DPTF 0x04
+#define SA_DEVFN_DPTF PCI_DEVFN(SA_DEV_SLOT_DPTF, 0)
+#define SA_DEV_DPTF PCI_DEV(0, SA_DEV_SLOT_DPTF, 0)
+
+#define SA_DEV_SLOT_CPU_PCIE 0x06
+#define SA_DEVFN_CPU_PCIE PCI_DEVFN(SA_DEV_SLOT_CPU_PCIE, 0)
+
+#define SA_DEV_SLOT_TBT 0x07
+#define SA_DEVFN_TBT(x) PCI_DEVFN(SA_DEV_SLOT_TBT, (x))
+#define NUM_TBT_FUNCTIONS 4
+#define SA_DEVFN_TBT0 PCI_DEVFN(SA_DEV_SLOT_TBT, 0)
+#define SA_DEVFN_TBT1 PCI_DEVFN(SA_DEV_SLOT_TBT, 1)
+#define SA_DEVFN_TBT2 PCI_DEVFN(SA_DEV_SLOT_TBT, 2)
+#define SA_DEVFN_TBT3 PCI_DEVFN(SA_DEV_SLOT_TBT, 3)
+#define SA_DEV_TBT0 PCI_DEV(0, SA_DEV_SLOT_TBT, 0)
+#define SA_DEV_TBT1 PCI_DEV(0, SA_DEV_SLOT_TBT, 1)
+#define SA_DEV_TBT2 PCI_DEV(0, SA_DEV_SLOT_TBT, 2)
+#define SA_DEV_TBT3 PCI_DEV(0, SA_DEV_SLOT_TBT, 3)
+
+#define SA_DEV_SLOT_TCSS 0x0d
+#define SA_DEVFN_TCSS_XHCI PCI_DEVFN(SA_DEV_SLOT_TCSS, 0)
+#define SA_DEVFN_TCSS_XDCI PCI_DEVFN(SA_DEV_SLOT_TCSS, 1)
+#define SA_DEVFN_TCSS_DMA0 PCI_DEVFN(SA_DEV_SLOT_TCSS, 2)
+#define SA_DEVFN_TCSS_DMA1 PCI_DEVFN(SA_DEV_SLOT_TCSS, 3)
+#define SA_DEV_TCSS_XHCI PCI_DEV(0, SA_DEV_SLOT_TCSS, 0)
+#define SA_DEV_TCSS_XDCI PCI_DEV(0, SA_DEV_SLOT_TCSS, 1)
+#define SA_DEV_TCSS_DMA0 PCI_DEV(0, SA_DEV_SLOT_TCSS, 2)
+#define SA_DEV_TCSS_DMA1 PCI_DEV(0, SA_DEV_SLOT_TCSS, 3)
+
+#define SA_DEV_SLOT_VMD 0x0e
+#define SA_DEVFN_VMD PCI_DEVFN(SA_DEV_SLOT_VMD, 0)
+#define SA_DEV_VMD PCI_DEV(0, SA_DEV_SLOT_VMD, 0)
+
+/* PCH Devices */
+#define PCH_DEV_SLOT_SIO0 0x10
+#define PCH_DEVFN_THC0 _PCH_DEVFN(SIO0, 0)
+#define PCH_DEVFN_THC1 _PCH_DEVFN(SIO0, 1)
+#define PCH_DEV_THC0 _PCH_DEV(SIO0, 0)
+#define PCH_DEV_THC1 _PCH_DEV(SIO0, 1)
+
+#define PCH_DEV_SLOT_ISH 0x12
+#define PCH_DEVFN_ISH _PCH_DEVFN(ISH, 0)
+#define PCH_DEVFN_GSPI2 _PCH_DEVFN(ISH, 6)
+#define PCH_DEV_ISH _PCH_DEV(ISH, 0)
+#define PCH_DEV_GSPI2 _PCH_DEV(ISH, 6)
+
+#define PCH_DEV_SLOT_XHCI 0x14
+#define PCH_DEVFN_XHCI _PCH_DEVFN(XHCI, 0)
+#define PCH_DEVFN_USBOTG _PCH_DEVFN(XHCI, 1)
+#define PCH_DEVFN_SRAM _PCH_DEVFN(XHCI, 2)
+#define PCH_DEVFN_CNVI_WIFI _PCH_DEVFN(XHCI, 3)
+#define PCH_DEV_XHCI _PCH_DEV(XHCI, 0)
+#define PCH_DEV_USBOTG _PCH_DEV(XHCI, 1)
+#define PCH_DEV_SRAM _PCH_DEV(XHCI, 2)
+#define PCH_DEV_CNVI_WIFI _PCH_DEV(XHCI, 3)
+
+#define PCH_DEV_SLOT_SIO3 0x15
+#define PCH_DEVFN_I2C0 _PCH_DEVFN(SIO3, 0)
+#define PCH_DEVFN_I2C1 _PCH_DEVFN(SIO3, 1)
+#define PCH_DEVFN_I2C2 _PCH_DEVFN(SIO3, 2)
+#define PCH_DEVFN_I2C3 _PCH_DEVFN(SIO3, 3)
+#define PCH_DEV_I2C0 _PCH_DEV(SIO3, 0)
+#define PCH_DEV_I2C1 _PCH_DEV(SIO3, 1)
+#define PCH_DEV_I2C2 _PCH_DEV(SIO3, 2)
+#define PCH_DEV_I2C3 _PCH_DEV(SIO3, 3)
+
+#define PCH_DEV_SLOT_CSE 0x16
+#define PCH_DEVFN_CSE _PCH_DEVFN(CSE, 0)
+#define PCH_DEVFN_CSE_2 _PCH_DEVFN(CSE, 1)
+#define PCH_DEVFN_CSE_IDER _PCH_DEVFN(CSE, 2)
+#define PCH_DEVFN_CSE_KT _PCH_DEVFN(CSE, 3)
+#define PCH_DEVFN_CSE_3 _PCH_DEVFN(CSE, 4)
+#define PCH_DEVFN_CSE_4 _PCH_DEVFN(CSE, 5)
+#define PCH_DEV_CSE _PCH_DEV(CSE, 0)
+#define PCH_DEV_CSE_2 _PCH_DEV(CSE, 1)
+#define PCH_DEV_CSE_IDER _PCH_DEV(CSE, 2)
+#define PCH_DEV_CSE_KT _PCH_DEV(CSE, 3)
+#define PCH_DEV_CSE_3 _PCH_DEV(CSE, 4)
+#define PCH_DEV_CSE_4 _PCH_DEV(CSE, 5)
+
+#define PCH_DEV_SLOT_SATA 0x17
+#define PCH_DEVFN_SATA _PCH_DEVFN(SATA, 0)
+#define PCH_DEV_SATA _PCH_DEV(SATA, 0)
+
+#define PCH_DEV_SLOT_SIO4 0x19
+#define PCH_DEVFN_I2C4 _PCH_DEVFN(SIO4, 0)
+#define PCH_DEVFN_I2C5 _PCH_DEVFN(SIO4, 1)
+#define PCH_DEVFN_UART2 _PCH_DEVFN(SIO4, 2)
+#define PCH_DEV_I2C4 _PCH_DEV(SIO4, 0)
+#define PCH_DEV_I2C5 _PCH_DEV(SIO4, 1)
+#define PCH_DEV_UART2 _PCH_DEV(SIO4, 2)
+
+#define PCH_DEV_SLOT_PCIE 0x1c
+#define PCH_DEVFN_PCIE1 _PCH_DEVFN(PCIE, 0)
+#define PCH_DEVFN_PCIE2 _PCH_DEVFN(PCIE, 1)
+#define PCH_DEVFN_PCIE3 _PCH_DEVFN(PCIE, 2)
+#define PCH_DEVFN_PCIE4 _PCH_DEVFN(PCIE, 3)
+#define PCH_DEVFN_PCIE5 _PCH_DEVFN(PCIE, 4)
+#define PCH_DEVFN_PCIE6 _PCH_DEVFN(PCIE, 5)
+#define PCH_DEVFN_PCIE7 _PCH_DEVFN(PCIE, 6)
+#define PCH_DEVFN_PCIE8 _PCH_DEVFN(PCIE, 7)
+#define PCH_DEV_PCIE1 _PCH_DEV(PCIE, 0)
+#define PCH_DEV_PCIE2 _PCH_DEV(PCIE, 1)
+#define PCH_DEV_PCIE3 _PCH_DEV(PCIE, 2)
+#define PCH_DEV_PCIE4 _PCH_DEV(PCIE, 3)
+#define PCH_DEV_PCIE5 _PCH_DEV(PCIE, 4)
+#define PCH_DEV_PCIE6 _PCH_DEV(PCIE, 5)
+#define PCH_DEV_PCIE7 _PCH_DEV(PCIE, 6)
+#define PCH_DEV_PCIE8 _PCH_DEV(PCIE, 7)
+
+#define PCH_DEV_SLOT_PCIE_1 0x1d
+#define PCH_DEVFN_PCIE9 _PCH_DEVFN(PCIE_1, 0)
+#define PCH_DEVFN_PCIE10 _PCH_DEVFN(PCIE_1, 1)
+#define PCH_DEVFN_PCIE11 _PCH_DEVFN(PCIE_1, 2)
+#define PCH_DEVFN_PCIE12 _PCH_DEVFN(PCIE_1, 3)
+#define PCH_DEV_PCIE9 _PCH_DEV(PCIE_1, 0)
+#define PCH_DEV_PCIE10 _PCH_DEV(PCIE_1, 1)
+#define PCH_DEV_PCIE11 _PCH_DEV(PCIE_1, 2)
+#define PCH_DEV_PCIE12 _PCH_DEV(PCIE_1, 3)
+
+#define PCH_DEV_SLOT_SIO5 0x1e
+#define PCH_DEVFN_UART0 _PCH_DEVFN(SIO5, 0)
+#define PCH_DEVFN_UART1 _PCH_DEVFN(SIO5, 1)
+#define PCH_DEVFN_GSPI0 _PCH_DEVFN(SIO5, 2)
+#define PCH_DEVFN_GSPI1 _PCH_DEVFN(SIO5, 3)
+#define PCH_DEV_UART0 _PCH_DEV(SIO5, 0)
+#define PCH_DEV_UART1 _PCH_DEV(SIO5, 1)
+#define PCH_DEV_GSPI0 _PCH_DEV(SIO5, 2)
+#define PCH_DEV_GSPI1 _PCH_DEV(SIO5, 3)
+
+#define PCH_DEV_SLOT_ESPI 0x1f
+#define PCH_DEV_SLOT_LPC PCH_DEV_SLOT_ESPI
+#define PCH_DEVFN_ESPI _PCH_DEVFN(ESPI, 0)
+#define PCH_DEVFN_P2SB _PCH_DEVFN(ESPI, 1)
+#define PCH_DEVFN_PMC _PCH_DEVFN(ESPI, 2)
+#define PCH_DEVFN_HDA _PCH_DEVFN(ESPI, 3)
+#define PCH_DEVFN_SMBUS _PCH_DEVFN(ESPI, 4)
+#define PCH_DEVFN_SPI _PCH_DEVFN(ESPI, 5)
+#define PCH_DEVFN_GBE _PCH_DEVFN(ESPI, 6)
+#define PCH_DEVFN_TRACEHUB _PCH_DEVFN(ESPI, 7)
+#define PCH_DEV_ESPI _PCH_DEV(ESPI, 0)
+#define PCH_DEV_LPC PCH_DEV_ESPI
+#define PCH_DEV_P2SB _PCH_DEV(ESPI, 1)
+
+#if !ENV_RAMSTAGE
+/*
+ * PCH_DEV_PMC is intentionally not defined in RAMSTAGE since PMC device gets
+ * hidden from PCI bus after call to FSP-S. This leads to resource allocator
+ * dropping it from the root bus as unused device. All references to PCH_DEV_PMC
+ * would then return NULL and can go unnoticed if not handled properly. Since,
+ * this device does not have any special chip config associated with it, it is
+ * okay to not provide the definition for it in ramstage.
+ */
+#define PCH_DEV_PMC _PCH_DEV(ESPI, 2)
+#endif
+
+#define PCH_DEV_HDA _PCH_DEV(ESPI, 3)
+#define PCH_DEV_SMBUS _PCH_DEV(ESPI, 4)
+#define PCH_DEV_SPI _PCH_DEV(ESPI, 5)
+#define PCH_DEV_GBE _PCH_DEV(ESPI, 6)
+#define PCH_DEV_TRACEHUB _PCH_DEV(ESPI, 7)
+
+#endif
diff --git a/src/soc/intel/alderlake/include/soc/pcr_ids.h b/src/soc/intel/alderlake/include/soc/pcr_ids.h
new file mode 100644
index 0000000..baeb708
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/pcr_ids.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is created based on Intel Alder Lake Processor PCH Datasheet
+ * Document number: 621483
+ * Chapter number: 31-35
+ */
+
+#ifndef SOC_ALDERLAKE_PCR_H
+#define SOC_ALDERLAKE_PCR_H
+
+/*
+ * Port ids
+ */
+#define PID_GPIOCOM0 0x6e
+#define PID_GPIOCOM1 0x6d
+#define PID_GPIOCOM2 0x6c
+#define PID_GPIOCOM3 0x6b
+#define PID_GPIOCOM4 0x6a
+#define PID_GPIOCOM5 0x69
+
+#define PID_ESPI 0x72
+#define PID_DMI 0x88
+#define PID_PSTH 0x89
+#define PID_CSME0 0x90
+#define PID_ISCLK 0xad
+#define PID_PSF1 0xba
+#define PID_PSF2 0xbb
+#define PID_PSF3 0xbc
+#define PID_PSF4 0xbd
+#define PID_RTC 0xc3
+#define PID_ITSS 0xc4
+#define PID_SERIALIO 0xcb
+
+#endif
diff --git a/src/soc/intel/alderlake/include/soc/pm.h b/src/soc/intel/alderlake/include/soc/pm.h
new file mode 100644
index 0000000..b65b24d
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/pm.h
@@ -0,0 +1,171 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is created based on Intel Alder Lake Processor PCH Datasheet
+ * Document number: 621483
+ * Chapter number: 4
+ */
+
+#ifndef _SOC_PM_H_
+#define _SOC_PM_H_
+
+#define PM1_STS 0x00
+#define WAK_STS (1 << 15)
+#define PCIEXPWAK_STS (1 << 14)
+#define PRBTNOR_STS (1 << 11)
+#define RTC_STS (1 << 10)
+#define PWRBTN_STS (1 << 8)
+#define GBL_STS (1 << 5)
+#define BM_STS (1 << 4)
+#define TMROF_STS (1 << 0)
+#define PM1_EN 0x02
+#define PCIEXPWAK_DIS (1 << 14)
+#define RTC_EN (1 << 10)
+#define PWRBTN_EN (1 << 8)
+#define GBL_EN (1 << 5)
+#define TMROF_EN (1 << 0)
+#define PM1_CNT 0x04
+#define GBL_RLS (1 << 2)
+#define BM_RLD (1 << 1)
+#define SCI_EN (1 << 0)
+#define PM1_TMR 0x08
+#define SMI_EN 0x30
+#define XHCI_SMI_EN (1 << 31)
+#define ME_SMI_EN (1 << 30)
+#define ESPI_SMI_EN (1 << 28)
+#define GPIO_UNLOCK_SMI_EN (1 << 27)
+#define INTEL_USB2_EN (1 << 18)
+#define LEGACY_USB2_EN (1 << 17)
+#define PERIODIC_EN (1 << 14)
+#define TCO_SMI_EN (1 << 13)
+#define MCSMI_EN (1 << 11)
+#define BIOS_RLS (1 << 7)
+#define SWSMI_TMR_EN (1 << 6)
+#define APMC_EN (1 << 5)
+#define SLP_SMI_EN (1 << 4)
+#define LEGACY_USB_EN (1 << 3)
+#define BIOS_EN (1 << 2)
+#define EOS (1 << 1)
+#define GBL_SMI_EN (1 << 0)
+#define SMI_STS 0x34
+#define SMI_STS_BITS 32
+#define XHCI_SMI_STS_BIT 31
+#define ME_SMI_STS_BIT 30
+#define ESPI_SMI_STS_BIT 28
+#define GPIO_UNLOCK_SMI_STS_BIT 27
+#define SPI_SMI_STS_BIT 26
+#define SCC_SMI_STS_BIT 25
+#define MONITOR_STS_BIT 21
+#define PCI_EXP_SMI_STS_BIT 20
+#define SMBUS_SMI_STS_BIT 16
+#define SERIRQ_SMI_STS_BIT 15
+#define PERIODIC_STS_BIT 14
+#define TCO_STS_BIT 13
+#define DEVMON_STS_BIT 12
+#define MCSMI_STS_BIT 11
+#define GPIO_STS_BIT 10
+#define GPE0_STS_BIT 9
+#define PM1_STS_BIT 8
+#define SWSMI_TMR_STS_BIT 6
+#define APM_STS_BIT 5
+#define SMI_ON_SLP_EN_STS_BIT 4
+#define LEGACY_USB_STS_BIT 3
+#define BIOS_STS_BIT 2
+#define GPE_CNTL 0x42
+#define SWGPE_CTRL (1 << 1)
+#define DEVACT_STS 0x44
+#define PM2_CNT 0x50
+
+#define GPE0_REG_MAX 4
+#define GPE0_REG_SIZE 32
+#define GPE0_STS(x) (0x60 + ((x) * 4))
+#define GPE_31_0 0 /* 0x60/0x70 = GPE[31:0] */
+#define GPE_63_32 1 /* 0x64/0x74 = GPE[63:32] */
+#define GPE_95_64 2 /* 0x68/0x78 = GPE[95:64] */
+#define GPE_STD 3 /* 0x6c/0x7c = Standard GPE */
+#define GPE_STS_RSVD GPE_STD
+#define WADT_STS (1 << 18)
+#define GPIO_T2_STS (1 << 15)
+#define ESPI_STS (1 << 14)
+#define PME_B0_STS (1 << 13)
+#define ME_SCI_STS (1 << 12)
+#define PME_STS (1 << 11)
+#define BATLOW_STS (1 << 10)
+#define PCI_EXP_STS (1 << 9)
+#define SMB_WAK_STS (1 << 7)
+#define TCOSCI_STS (1 << 6)
+#define SWGPE_STS (1 << 2)
+#define HOT_PLUG_STS (1 << 1)
+#define GPE0_EN(x) (0x70 + ((x) * 4))
+#define WADT_EN (1 << 18)
+#define GPIO_T2_EN (1 << 15)
+#define ESPI_EN (1 << 14)
+#define PME_B0_EN_BIT 13
+#define PME_B0_EN (1 << PME_B0_EN_BIT)
+#define ME_SCI_EN (1 << 12)
+#define PME_EN (1 << 11)
+#define BATLOW_EN (1 << 10)
+#define PCI_EXP_EN (1 << 9)
+#define TCOSCI_EN (1 << 6)
+#define SWGPE_EN (1 << 2)
+#define HOT_PLUG_EN (1 << 1)
+
+#define EN_BLOCK 3
+
+/*
+ * Enable SMI generation:
+ * - on APMC writes (io 0xb2)
+ * - on writes to SLP_EN (sleep states)
+ * - on writes to GBL_RLS (bios commands)
+ * - on eSPI events (does nothing on LPC systems)
+ * No SMIs:
+ * - on TCO events, unless enabled in common code
+ * - on microcontroller writes (io 0x62/0x66)
+ */
+#define ENABLE_SMI_PARAMS \
+ (APMC_EN | SLP_SMI_EN | GBL_SMI_EN | ESPI_SMI_EN | EOS)
+
+#define PSS_RATIO_STEP 2
+#define PSS_MAX_ENTRIES 8
+#define PSS_LATENCY_TRANSITION 10
+#define PSS_LATENCY_BUSMASTER 10
+
+#if !defined(__ACPI__)
+
+#include <acpi/acpi.h>
+#include <soc/gpe.h>
+#include <soc/iomap.h>
+#include <soc/smbus.h>
+#include <soc/pmc.h>
+
+struct chipset_power_state {
+ uint16_t pm1_sts;
+ uint16_t pm1_en;
+ uint32_t pm1_cnt;
+ uint16_t tco1_sts;
+ uint16_t tco2_sts;
+ uint32_t gpe0_sts[4];
+ uint32_t gpe0_en[4];
+ uint32_t gen_pmcon_a;
+ uint32_t gen_pmcon_b;
+ uint32_t gblrst_cause[2];
+ uint32_t hpr_cause0;
+ uint32_t prev_sleep_state;
+} __packed;
+
+/* Get base address PMC memory mapped registers. */
+uint8_t *pmc_mmio_regs(void);
+
+/* Get base address of TCO I/O registers. */
+uint16_t smbus_tco_regs(void);
+
+/* Set the DISB after DRAM init */
+void pmc_set_disb(void);
+
+/* Clear PMCON status bits */
+void pmc_clear_pmcon_sts(void);
+
+/* STM Support */
+uint16_t get_pmbase(void);
+#endif /* !defined(__ACPI__) */
+#endif
diff --git a/src/soc/intel/alderlake/include/soc/smbus.h b/src/soc/intel/alderlake/include/soc/smbus.h
new file mode 100644
index 0000000..ab4994a
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/smbus.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * This file is created based on Intel Alder Lake Processor PCH Datasheet
+ * Document number: 621483
+ * Chapter number: 6
+ */
+
+#ifndef _SOC_ALDERLAKE_SMBUS_H_
+#define _SOC_ALDERLAKE_SMBUS_H_
+
+/* IO and MMIO registers under primary BAR */
+
+/* TCO registers and fields live behind TCOBASE I/O bar in SMBus device. */
+#define TCO1_STS 0x04
+#define TCO_TIMEOUT (1 << 3)
+#define TCO2_STS 0x06
+#define TCO_STS_SECOND_TO (1 << 1)
+#define TCO_INTRD_DET (1 << 0)
+#define TCO1_CNT 0x08
+#define TCO_LOCK (1 << 12)
+#define TCO_TMR_HLT (1 << 11)
+#define TCO2_CNT 0x0A
+#define TCO_INTRD_SEL_MASK (3 << 1)
+#define TCO_INTRD_SEL_SMI (1 << 2)
+#define TCO_INTRD_SEL_INT (1 << 1)
+
+/*
+ * Default slave address value for PCH. This value is set to match default
+ * value set by hardware. It is useful since PCH is able to respond even
+ * before CPU is up. This is reset by RSMRST# but not by PLTRST#.
+ */
+#define SMBUS_SLAVE_ADDR 0x44
+
+#endif