| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/mmio.h> |
| #include <bootstate.h> |
| #include <console/console.h> |
| #include <cpu/x86/smm.h> |
| #include <device/pci.h> |
| #include <gpio.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 <spi-generic.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> |
| |
| static void pch_handle_sideband(config_t *config) |
| { |
| } |
| |
| static void pch_finalize(void) |
| { |
| config_t *config = config_of_soc(); |
| |
| /* TCO Lock down */ |
| tco_lockdown(); |
| |
| /* TODO: Add Thermal Configuration */ |
| |
| pch_handle_sideband(config); |
| |
| 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); |