| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <bootblock_common.h> |
| #include <device/pci.h> |
| #include <FsptUpd.h> |
| #include <intelblocks/fast_spi.h> |
| #include <soc/iomap.h> |
| #include <console/console.h> |
| #include <cpu/x86/mtrr.h> |
| #include <intelblocks/lpc_lib.h> |
| #include <soc/pci_devs.h> |
| #include <soc/bootblock.h> |
| #include <fsp/util.h> |
| |
| const FSPT_UPD temp_ram_init_params = { |
| .FspUpdHeader = { |
| .Signature = FSPT_UPD_SIGNATURE, |
| .Revision = 1, |
| .Reserved = {0}, |
| }, |
| .FsptCoreUpd = { |
| .MicrocodeRegionBase = (UINT32)CONFIG_CPU_MICROCODE_CBFS_LOC, |
| .MicrocodeRegionLength = (UINT32)CONFIG_CPU_MICROCODE_CBFS_LEN, |
| .CodeRegionBase = (UINT32)CACHE_ROM_BASE, |
| .CodeRegionLength = (UINT32)CACHE_ROM_SIZE, |
| .Reserved1 = {0}, |
| }, |
| .FsptConfig = { |
| .FsptPort80RouteDisable = 0, |
| .ReservedTempRamInitUpd = {0}, |
| }, |
| .UnusedUpdSpace0 = {0}, |
| .UpdTerminator = 0x55AA, |
| }; |
| |
| static uint64_t assembly_timestamp; |
| static uint64_t bootblock_timestamp; |
| |
| asmlinkage void bootblock_c_entry(uint64_t base_timestamp) |
| { |
| /* |
| * FSP-T does not respect its own API and trashes registers |
| * coreboot uses to store its initial timestamp. |
| */ |
| assembly_timestamp = base_timestamp; |
| bootblock_timestamp = timestamp_get(); |
| fast_spi_cache_bios_region(); |
| |
| bootblock_main_with_basetime(MIN(assembly_timestamp, bootblock_timestamp)); |
| } |
| |
| void bootblock_soc_early_init(void) |
| { |
| fast_spi_early_init(SPI_BASE_ADDRESS); |
| pch_enable_lpc(); |
| |
| /* Set up P2SB BAR. This is needed for PCR to work */ |
| uint8_t p2sb_cmd = pci_mmio_read_config8(PCH_DEV_P2SB, PCI_COMMAND); |
| pci_mmio_write_config8(PCH_DEV_P2SB, PCI_COMMAND, p2sb_cmd | PCI_COMMAND_MEMORY); |
| pci_mmio_write_config32(PCH_DEV_P2SB, PCI_BASE_ADDRESS_0, CONFIG_PCR_BASE_ADDRESS); |
| } |
| |
| void bootblock_soc_init(void) |
| { |
| if (CONFIG(BOOTBLOCK_CONSOLE)) |
| printk(BIOS_DEBUG, "FSP TempRamInit successful...\n"); |
| |
| if (assembly_timestamp > bootblock_timestamp) |
| printk(BIOS_WARNING, "Invalid initial timestamp detected\n"); |
| |
| if (CONFIG(FSP_CAR)) |
| report_fspt_output(); |
| bootblock_pch_init(); |
| } |