src/soc/amd/sabrina/Kconfig

# SPDX-License-Identifier: GPL-2.0-only

# TODO: Check if this is still correct

config SOC_AMD_SABRINA
	bool
	help
	  AMD Sabrina support

if SOC_AMD_SABRINA

config SOC_SPECIFIC_OPTIONS
	def_bool y
	select ACPI_SOC_NVS
	select ARCH_BOOTBLOCK_X86_32
	select ARCH_VERSTAGE_X86_32 if !VBOOT_STARTS_BEFORE_BOOTBLOCK
	select ARCH_ROMSTAGE_X86_32
	select ARCH_RAMSTAGE_X86_32
	select ARCH_X86
	select BOOT_DEVICE_SUPPORTS_WRITES if BOOT_DEVICE_SPI_FLASH
	select CONSOLE_CBMEM_PRINT_PRE_BOOTBLOCK_CONTENTS if VBOOT_STARTS_BEFORE_BOOTBLOCK
	select DRIVERS_USB_ACPI
	select DRIVERS_I2C_DESIGNWARE
	select DRIVERS_USB_PCI_XHCI
	select FSP_COMPRESS_FSP_M_LZMA if !ASYNC_FILE_LOADING
	select FSP_COMPRESS_FSP_M_LZ4 if ASYNC_FILE_LOADING
	select FSP_COMPRESS_FSP_S_LZ4
	select GENERIC_GPIO_LIB
	select HAVE_ACPI_TABLES
	select HAVE_CF9_RESET
	select HAVE_EM100_SUPPORT
	select HAVE_FSP_GOP
	select HAVE_SMI_HANDLER
	select IDT_IN_EVERY_STAGE
	select PARALLEL_MP_AP_WORK
	select PLATFORM_USES_FSP2_0
	select PROVIDES_ROM_SHARING
	select PSP_VERSTAGE_CCP_DMA if VBOOT_STARTS_BEFORE_BOOTBLOCK
	select RESET_VECTOR_IN_RAM
	select RTC
	select SOC_AMD_COMMON
	select SOC_AMD_COMMON_BLOCK_ACP		# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_ACPI	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_ACPIMMIO	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_ACPI_ALIB	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_ACPI_GPIO	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_ACPI_IVRS	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_AOAC	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_APOB	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_BANKED_GPIOS	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_DATA_FABRIC	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_GRAPHICS	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_HAS_ESPI	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_I2C		# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_IOMMU	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_LPC		# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_MCAX	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_NONCAR	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_PCI		# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_PCI_MMCONF	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_PCIE_GPP_DRIVER	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_PM		# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_PM_CHIPSET_STATE_SAVE	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_PSP_GEN2	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_SMBUS	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_SMI		# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_SMM		# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_SMU		# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_SPI		# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_TSC_FAM17H_19H	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_UART	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_BLOCK_UCODE	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_FSP_DMI_TABLES	# TODO: Check if this is still correct
	select SOC_AMD_COMMON_FSP_PCI		# TODO: Check if this is still correct
	select SSE2
	select UDK_2017_BINDING
	select VBOOT_DEFINE_WIDEVINE_COUNTERS if VBOOT_STARTS_BEFORE_BOOTBLOCK
	select X86_AMD_FIXED_MTRRS
	select X86_INIT_NEED_1_SIPI

config ARCH_ALL_STAGES_X86
	default n

config SOC_AMD_COMMON_BLOCK_UCODE_SIZE
	default 5568

config CHIPSET_DEVICETREE
	string
	default "soc/amd/sabrina/chipset.cb"

config EARLY_RESERVED_DRAM_BASE
	hex
	default 0x2000000
	help
	  This variable defines the base address of the DRAM which is reserved
	  for usage by coreboot in early stages (i.e. before ramstage is up).
	  This memory gets reserved in BIOS tables to ensure that the OS does
	  not use it, thus preventing corruption of OS memory in case of S3
	  resume.

config EARLYRAM_BSP_STACK_SIZE
	hex
	default 0x1000

config PSP_APOB_DRAM_ADDRESS
	hex
	default 0x2001000
	help
	  Location in DRAM where the PSP will copy the AGESA PSP Output
	  Block.

config PSP_SHAREDMEM_BASE
	hex
	default 0x2011000 if VBOOT
	default 0x0
	help
	  This variable defines the base address in DRAM memory where PSP copies
	  the vboot workbuf. This is used in the linker script to have a static
	  allocation for the buffer as well as for adding relevant entries in
	  the BIOS directory table for the PSP.

config PSP_SHAREDMEM_SIZE
	hex
	default 0x8000 if VBOOT
	default 0x0
	help
	  Sets the maximum size for the PSP to pass the vboot workbuf and
	  any logs or timestamps back to coreboot.  This will be copied
	  into main memory by the PSP and will be available when the x86 is
	  started.  The workbuf's base depends on the address of the reset
	  vector.

config PRERAM_CBMEM_CONSOLE_SIZE
	hex
	default 0x1600
	help
	  Increase this value if preram cbmem console is getting truncated

config CBFS_MCACHE_SIZE
	hex
	default 0x2000 if VBOOT_STARTS_BEFORE_BOOTBLOCK

config C_ENV_BOOTBLOCK_SIZE
	hex
	default 0x10000
	help
	  Sets the size of the bootblock stage that should be loaded in DRAM.
	  This variable controls the DRAM allocation size in linker script
	  for bootblock stage.

config ROMSTAGE_ADDR
	hex
	default 0x2040000
	help
	  Sets the address in DRAM where romstage should be loaded.

config ROMSTAGE_SIZE
	hex
	default 0x80000
	help
	  Sets the size of DRAM allocation for romstage in linker script.

config FSP_M_ADDR
	hex
	default 0x20C0000
	help
	  Sets the address in DRAM where FSP-M should be loaded. cbfstool
	  performs relocation of FSP-M to this address.

config FSP_M_SIZE
	hex
	default 0xC0000
	help
	  Sets the size of DRAM allocation for FSP-M in linker script.

config FSP_TEMP_RAM_SIZE
	hex
	default 0x40000
	help
	  The amount of coreboot-allocated heap and stack usage by the FSP.

config VERSTAGE_ADDR
	hex
	depends on VBOOT_SEPARATE_VERSTAGE
	default 0x2180000
	help
	  Sets the address in DRAM where verstage should be loaded if running
	  as a separate stage on x86.

config VERSTAGE_SIZE
	hex
	depends on VBOOT_SEPARATE_VERSTAGE
	default 0x80000
	help
	  Sets the size of DRAM allocation for verstage in linker script if
	  running as a separate stage on x86.

config ASYNC_FILE_LOADING
	bool "Loads files from SPI asynchronously"
	select COOP_MULTITASKING
	select SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA
	select CBFS_PRELOAD
	help
	  When enabled, the platform will use the LPC SPI DMA controller to
	  asynchronously load contents from the SPI ROM. This will improve
	  boot time because the CPUs can be performing useful work while the
	  SPI contents are being preloaded.

config CBFS_CACHE_SIZE
	hex
	default 0x40000 if CBFS_PRELOAD

config RAMBASE
	hex
	default 0x10000000

config RO_REGION_ONLY
	string
	depends on VBOOT_SLOTS_RW_AB || VBOOT_SLOTS_RW_A
	default "apu/amdfw"

config ECAM_MMCONF_BASE_ADDRESS
	default 0xF8000000

config ECAM_MMCONF_BUS_NUMBER
	default 64

config MAX_CPUS
	int
	default 16
	help
	  Maximum number of threads the platform can have.

config CONSOLE_UART_BASE_ADDRESS
	depends on CONSOLE_SERIAL && AMD_SOC_CONSOLE_UART
	hex
	default 0xfedc9000 if UART_FOR_CONSOLE = 0
	default 0xfedca000 if UART_FOR_CONSOLE = 1
	default 0xfedce000 if UART_FOR_CONSOLE = 2
	default 0xfedcf000 if UART_FOR_CONSOLE = 3
	default 0xfedd1000 if UART_FOR_CONSOLE = 4

config SMM_TSEG_SIZE
	hex
	default 0x800000 if HAVE_SMI_HANDLER
	default 0x0

config SMM_RESERVED_SIZE
	hex
	default 0x180000

config SMM_MODULE_STACK_SIZE
	hex
	default 0x800

config ACPI_BERT
	bool "Build ACPI BERT Table"
	default y
	depends on HAVE_ACPI_TABLES
	help
	  Report Machine Check errors identified in POST to the OS in an
	  ACPI Boot Error Record Table.

config ACPI_BERT_SIZE
	hex
	default 0x4000 if ACPI_BERT
	default 0x0
	help
	  Specify the amount of DRAM reserved for gathering the data used to
	  generate the ACPI table.

config DRIVERS_I2C_DESIGNWARE_CLOCK_MHZ
	int
	default 150

config DISABLE_SPI_FLASH_ROM_SHARING
	def_bool n
	help
	  Instruct the chipset to not honor the EGPIO67_SPI_ROM_REQ pin
	  which indicates a board level ROM transaction request. This
	  removes arbitration with board and assumes the chipset controls
	  the SPI flash bus entirely.

config DISABLE_KEYBOARD_RESET_PIN
	bool
	help
	  Instruct the SoC to not use the state of GPIO_129 as keyboard reset
	  signal. When this pin is used as GPIO and the keyboard reset
	  functionality isn't disabled, configuring it as an output and driving
	  it as 0 will cause a reset.

config ACPI_SSDT_PSD_INDEPENDENT
	bool "Allow core p-state independent transitions"
	default y
	help
	  AMD recommends the ACPI _PSD object to be configured to cause
	  cores to transition between p-states independently. A vendor may
	  choose to generate _PSD object to allow cores to transition together.

menu "PSP Configuration Options"

config AMD_FWM_POSITION_INDEX
	int "Firmware Directory Table location (0 to 5)"
	range 0 5
	default 0 if BOARD_ROMSIZE_KB_512
	default 1 if BOARD_ROMSIZE_KB_1024
	default 2 if BOARD_ROMSIZE_KB_2048
	default 3 if BOARD_ROMSIZE_KB_4096
	default 4 if BOARD_ROMSIZE_KB_8192
	default 5 if BOARD_ROMSIZE_KB_16384
	help
	  Typically this is calculated by the ROM size, but there may
	  be situations where you want to put the firmware directory
	  table in a different location.
	    0: 512 KB - 0xFFFA0000
	    1: 1 MB   - 0xFFF20000
	    2: 2 MB   - 0xFFE20000
	    3: 4 MB   - 0xFFC20000
	    4: 8 MB   - 0xFF820000
	    5: 16 MB  - 0xFF020000

comment "AMD Firmware Directory Table set to location for 512KB ROM"
	depends on AMD_FWM_POSITION_INDEX = 0
comment "AMD Firmware Directory Table set to location for 1MB ROM"
	depends on AMD_FWM_POSITION_INDEX = 1
comment "AMD Firmware Directory Table set to location for 2MB ROM"
	depends on AMD_FWM_POSITION_INDEX = 2
comment "AMD Firmware Directory Table set to location for 4MB ROM"
	depends on AMD_FWM_POSITION_INDEX = 3
comment "AMD Firmware Directory Table set to location for 8MB ROM"
	depends on AMD_FWM_POSITION_INDEX = 4
comment "AMD Firmware Directory Table set to location for 16MB ROM"
	depends on AMD_FWM_POSITION_INDEX = 5

config AMDFW_CONFIG_FILE
	string
	default "src/soc/amd/sabrina/fw.cfg"

config PSP_DISABLE_POSTCODES
	bool "Disable PSP post codes"
	help
	  Disables the output of port80 post codes from PSP.

config PSP_POSTCODES_ON_ESPI
	bool "Use eSPI bus for PSP post codes"
	default y
	depends on !PSP_DISABLE_POSTCODES
	help
	  Select to send PSP port80 post codes on eSPI bus.
	  If not selected, PSP port80 codes will be sent on LPC bus.

config PSP_LOAD_MP2_FW
	bool
	default n
	help
	  Include the MP2 firmwares and configuration into the PSP build.

	  If unsure, answer 'n'

config PSP_UNLOCK_SECURE_DEBUG
	bool "Unlock secure debug"
	default y
	help
	  Select this item to enable secure debug options in PSP.

config HAVE_PSP_WHITELIST_FILE
	bool "Include a debug whitelist file in PSP build"
	default n
	help
	  Support secured unlock prior to reset using a whitelisted
	  serial number. This feature requires a signed whitelist image
	  and bootloader from AMD.

	  If unsure, answer 'n'

config PSP_WHITELIST_FILE
	string "Debug whitelist file path"
	depends on HAVE_PSP_WHITELIST_FILE
	default "3rdparty/amd_blobs/cezanne/PSP/wtl-czn.sbin"

config PSP_SOFTFUSE_BITS
	string "PSP Soft Fuse bits to enable"
	default "28 6"
	help
	  Space separated list of Soft Fuse bits to enable.
	  Bit 0:  Enable secure debug (Set by PSP_UNLOCK_SECURE_DEBUG)
	  Bit 7:  Disable PSP postcodes on Renoir and newer chips only
	          (Set by PSP_DISABLE_PORT80)
	  Bit 15: PSP post code destination: 0=LPC 1=eSPI
	          (Set by PSP_INITIALIZE_ESPI)
	  Bit 29: Disable MP2 firmware loading (Set by PSP_LOAD_MP2_FW)

	  See #55758 (NDA) for additional bit definitions.

config PSP_VERSTAGE_FILE
	string "Specify the PSP_verstage file path"
	depends on VBOOT_STARTS_BEFORE_BOOTBLOCK
	default "\$(obj)/psp_verstage.bin"
	help
	  Add psp_verstage file to the build & PSP Directory Table

config PSP_VERSTAGE_SIGNING_TOKEN
	string "Specify the PSP_verstage Signature Token file path"
	depends on VBOOT_STARTS_BEFORE_BOOTBLOCK
	default ""
	help
	  Add psp_verstage signature token to the build & PSP Directory Table

endmenu

config VBOOT
	select VBOOT_VBNV_CMOS
	select VBOOT_VBNV_CMOS_BACKUP_TO_FLASH

config VBOOT_STARTS_BEFORE_BOOTBLOCK
	def_bool n
	depends on VBOOT
	select ARCH_VERSTAGE_ARMV7
	help
	  Runs verstage on the PSP.  Only available on
	  certain Chrome OS branded parts from AMD.

config VBOOT_HASH_BLOCK_SIZE
	hex
	default 0x9000
	depends on VBOOT_STARTS_BEFORE_BOOTBLOCK
	help
	  Because the bulk of the time in psp_verstage to hash the RO cbfs is
	  spent in the overhead of doing svc calls, increasing the hash block
	  size significantly cuts the verstage hashing time as seen below.

	  4k takes 180ms
	  16k takes 44ms
	  32k takes 33.7ms
	  36k takes 32.5ms
	  There's actually still room for an even bigger stack, but we've
	  reached a point of diminishing returns.

config CMOS_RECOVERY_BYTE
	hex
	default 0x51
	depends on VBOOT_STARTS_BEFORE_BOOTBLOCK
	help
	  If the workbuf is not passed from the PSP to coreboot, set the
	  recovery flag and reboot.  The PSP will read this byte, mark the
	  recovery request in VBNV, and reset the system into recovery mode.

	  This is the byte before the default first byte used by VBNV
	  (0x26 + 0x0E - 1)

if VBOOT_SLOTS_RW_AB && VBOOT_STARTS_BEFORE_BOOTBLOCK

config RWA_REGION_ONLY
	string
	default "apu/amdfw_a"
	help
	  Add a space-delimited list of filenames that should only be in the
	  RW-A section.

config RWB_REGION_ONLY
	string
	default "apu/amdfw_b"
	help
	  Add a space-delimited list of filenames that should only be in the
	  RW-B section.

endif # VBOOT_SLOTS_RW_AB && VBOOT_STARTS_BEFORE_BOOTBLOCK

endif # SOC_AMD_SABRINA