src/soc/amd/picasso/Kconfig

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

config SOC_AMD_PICASSO
	bool
	help
	  AMD Picasso support

if SOC_AMD_PICASSO

config CPU_SPECIFIC_OPTIONS
	def_bool y
	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 RESET_VECTOR_IN_RAM
	select X86_AMD_FIXED_MTRRS
	select X86_AMD_INIT_SIPI
	select ACPI_AMD_HARDWARE_SLEEP_VALUES
	select DRIVERS_I2C_DESIGNWARE
	select DRIVERS_USB_PCI_XHCI
	select GENERIC_GPIO_LIB
	select IDT_IN_EVERY_STAGE
	select IOAPIC
	select HAVE_EM100_SUPPORT
	select HAVE_USBDEBUG_OPTIONS
	select COLLECT_TIMESTAMPS_NO_TSC
	select SOC_AMD_COMMON_BLOCK_SPI
	select TSC_SYNC_LFENCE
	select UDELAY_TSC
	select SOC_AMD_COMMON
	select SOC_AMD_COMMON_BLOCK_NONCAR
	select SOC_AMD_COMMON_BLOCK_HAS_ESPI
	select SOC_AMD_COMMON_BLOCK_IOMMU
	select SOC_AMD_COMMON_BLOCK_ACPIMMIO
	select SOC_AMD_COMMON_BLOCK_BANKED_GPIOS
	select SOC_AMD_COMMON_BLOCK_ACPI
	select SOC_AMD_COMMON_BLOCK_GRAPHICS
	select SOC_AMD_COMMON_BLOCK_LPC
	select SOC_AMD_COMMON_BLOCK_PCI
	select SOC_AMD_COMMON_BLOCK_HDA
	select SOC_AMD_COMMON_BLOCK_SATA
	select SOC_AMD_COMMON_BLOCK_SMBUS
	select SOC_AMD_COMMON_BLOCK_SMU
	select SOC_AMD_COMMON_BLOCK_PSP_GEN2
	select PROVIDES_ROM_SHARING
	select BOOT_DEVICE_SUPPORTS_WRITES if BOOT_DEVICE_SPI_FLASH
	select PARALLEL_MP
	select PARALLEL_MP_AP_WORK
	select HAVE_SMI_HANDLER
	select SSE2
	select RTC
	select PLATFORM_USES_FSP2_0
	select FSP_COMPRESS_FSP_M_LZMA
	select FSP_COMPRESS_FSP_S_LZMA
	select UDK_2017_BINDING
	select HAVE_CF9_RESET
	select SUPPORT_CPU_UCODE_IN_CBFS
	select ACPI_NO_SMI_GNVS

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
	  vboot workbuf to. This is used in linker script to have a static
	  allocation for the buffer as well as for adding relevant entries in
	  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 BOOTBLOCK_ADDR
	hex
	default 0x2030000
	help
	  Sets the address in DRAM where bootblock should be loaded.

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 X86_RESET_VECTOR
	hex
	depends on ARCH_X86
	default 0x203fff0
	help
	  Sets the reset vector within bootblock where x86 starts execution.
	  Reset vector is supposed to live at offset -0x10 from end of
	  bootblock i.e. BOOTBLOCK_ADDR + C_ENV_BOOTBLOCK_SIZE - 0x10.

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 0x80000
	help
	  Sets the size of DRAM allocation for FSP-M in linker script.

config VERSTAGE_ADDR
	hex
	depends on VBOOT_SEPARATE_VERSTAGE
	default 0x2140000
	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 RAMBASE
	hex
	default 0x10000000

config CPU_ADDR_BITS
	int
	default 48

config MMCONF_BASE_ADDRESS
	hex
	default 0xF8000000

config MMCONF_BUS_NUMBER
	int
	default 64

config VERSTAGE_ADDR
	hex
	default 0x4000000

config MAX_CPUS
	int
	default 8

config VGA_BIOS_ID
	string
	default "1002,15d8,c1"
	help
	  The default VGA BIOS PCI vendor/device ID should be set to the
	  result of the map_oprom_vendev_rev() function in northbridge.c.

config VGA_BIOS_FILE
	string
	default "3rdparty/amd_blobs/picasso/PicassoGenericVbios.bin"

config VGA_BIOS_SECOND
	def_bool y

config VGA_BIOS_SECOND_ID
	string
	default "1002,15dd,c4"
	help
	  Because Dali and Picasso need different video BIOSes, but have the
	  same vendor/device IDs, we need an alternate method to determine the
	  correct video BIOS. In map_oprom_vendev_rev(), we look at the cpuid
	  and decide which rom to load.

	  Even though the hardware has the same vendor/device IDs, the vBIOS
	  contains a *different* device ID, confusing the situation even more.

config VGA_BIOS_SECOND_FILE
	string
	default "3rdparty/amd_blobs/picasso/Raven2GenericVbios.bin"

config CHECK_REV_IN_OPROM_NAME
	bool
	default y
	help
	  Select this in the platform BIOS or chipset if the option rom has a
	  revision that needs to be checked when searching CBFS.

config S3_VGA_ROM_RUN
	bool
	default n

config HEAP_SIZE
	hex
	default 0xc0000

config EHCI_BAR
	hex
	default 0xfef00000

config PICASSO_FCH_IOAPIC_ID
	hex
	default 0x8
	help
	  The Picasso APU has two IOAPICs, one in the FCH and one in the
	  northbridge.  Set this value for the intended ID to assign to the
	  FCH IOAPIC.  The value should be >= MAX_CPUS and different from
	  the GNB's IOAPIC_ID.

config PICASSO_GNB_IOAPIC_ID
	hex
	default 0x9
	help
	  The Picasso APU has two IOAPICs, one in the FCH and one in the
	  northbridge.  Set this value for the intended ID to assign to the
	  GNB IOAPIC.  The value should be >= MAX_CPUS and different from
	  the FCH's IOAPIC_ID.

config SERIRQ_CONTINUOUS_MODE
	bool
	default n
	help
	  Set this option to y for serial IRQ in continuous mode.
	  Otherwise it is in quiet mode.

config PICASSO_ACPI_IO_BASE
	hex
	default 0x400
	help
	  Base address for the ACPI registers.

config PICASSO_CONSOLE_UART
	bool "Use Picasso UART controller for console"
	default n
	select DRIVERS_UART_8250MEM
	select DRIVERS_UART_8250MEM_32
	select NO_UART_ON_SUPERIO
	select UART_OVERRIDE_REFCLK
	help
	  There are four memory-mapped UARTs controllers in Picasso at:
	  0: 0xfedc9000
	  1: 0xfedca000
	  2: 0xfedc3000
	  3: 0xfedcf000

choice
	prompt "UART Frequency"
	depends on PICASSO_CONSOLE_UART
	default PICASSO_UART_48MZ

config PICASSO_UART_48MZ
	bool "48 MHz clock"
	help
	  Select this option for the most compatibility.

config PICASSO_UART_1_8MZ
	bool "1.8432 MHz clock"
	help
	  Select this option if an old payload or Linux ttyS0 arguments
	  require it.

endchoice

config PICASSO_UART_LEGACY
	bool "Decode legacy I/O range"
	help
	  Assign I/O 3F8, 2F8, etc. to a Picasso UART. A UART accessed with I/O
	  does not allow all the features of MMIO. The MMIO decode is still
	  present when this option is used.

config CONSOLE_UART_BASE_ADDRESS
	depends on CONSOLE_SERIAL && PICASSO_CONSOLE_UART
	hex
	default 0xfedc9000 if UART_FOR_CONSOLE = 0
	default 0xfedca000 if UART_FOR_CONSOLE = 1
	default 0xfedc3000 if UART_FOR_CONSOLE = 2
	default 0xfedcf000 if UART_FOR_CONSOLE = 3

config SMM_TSEG_SIZE
	hex
	default 0x800000 if SMM_TSEG && HAVE_SMI_HANDLER
	default 0x0

config SMM_RESERVED_SIZE
	hex
	default 0x180000

config SMM_MODULE_STACK_SIZE
	hex
	default 0x800

config ACPI_CPU_STRING
	string
	default "\\_SB.C%03d"

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 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.

config CHROMEOS
	select CHROMEOS_RAMOOPS_DYNAMIC
	select ALWAYS_LOAD_OPROM
	select ALWAYS_RUN_OPROM

config RO_REGION_ONLY
	string
	depends on CHROMEOS
	default "apu/amdfw"

config DRIVERS_I2C_DESIGNWARE_CLOCK_MHZ
	int
	default 150

config PICASSO_LPC_IOMUX
	bool
	help
	  Picasso's LPC bus signals are MUXed with some of the EMMC signals.
	  Select this option if LPC signals are required.

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 MAINBOARD_POWER_RESTORE
	def_bool n
	help
	  This option determines what state to go to once power is restored
	  after having been lost in S0.  Select this option to automatically
	  return to S0.  Otherwise the system will remain in S5 once power
	  is restored.

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

menu "PSP Configuration Options"

config AMDFW_OUTSIDE_CBFS
	bool
	default n
	help
	  The AMDFW (PSP) is typically locatable in cbfs.  Select this
	  option to manually attach the generated amdfw.rom outside of
	  cbfs.  The location is selected by the FWM position.

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/picasso/fw.cfg"

config USE_PSPSECUREOS
	bool
	default y
	help
	  Include the PspSecureOs and PspTrustlet binaries in the PSP build.

	  If unsure, answer 'y'

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_LOAD_S0I3_FW
	bool
	default n
	help
	  Select this item to include the S0i3 file into the PSP build.

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
	  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/picasso/PSP/wtl-rvn.sbin"

config PSP_SHAREDMEM_SIZE
	hex "Maximum size of shared memory area"
	default 0x3000 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.

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

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.

config PICASSO_FW_A_POSITION
	hex
	help
	  Location of the AMD firmware in the RW_A region

config PICASSO_FW_B_POSITION
	hex
	help
	  Location of the AMD firmware in the RW_B region

endif # VBOOT_SLOTS_RW_AB && VBOOT_STARTS_BEFORE_BOOTBLOCK

endif # SOC_AMD_PICASSO