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Diffstat (limited to 'src/soc/intel/baytrail/Kconfig')
| -rw-r--r-- | src/soc/intel/baytrail/Kconfig | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/src/soc/intel/baytrail/Kconfig b/src/soc/intel/baytrail/Kconfig new file mode 100644 index 0000000000..deee31a708 --- /dev/null +++ b/src/soc/intel/baytrail/Kconfig @@ -0,0 +1,236 @@ + +config SOC_INTEL_BAYTRAIL + bool + help + Bay Trail M/D part support. + +if SOC_INTEL_BAYTRAIL + +config CPU_SPECIFIC_OPTIONS + def_bool y + select SMP + select SSE2 + select UDELAY_TSC + select TSC_CONSTANT_RATE + select SMM_TSEG + select SMM_MODULES + select RELOCATABLE_MODULES + select DYNAMIC_CBMEM + select SUPPORT_CPU_UCODE_IN_CBFS + select TSC_SYNC_MFENCE + select CAR_MIGRATION + select MMCONF_SUPPORT + select MMCONF_SUPPORT_DEFAULT + select HAVE_SMI_HANDLER + select CACHE_MRC_SETTINGS + select CACHE_ROM + select SPI_FLASH + +config BOOTBLOCK_CPU_INIT + string + default "soc/intel/baytrail/bootblock/bootblock.c" + +config MMCONF_BASE_ADDRESS + hex + default 0xe0000000 + +config MAX_CPUS + int + default 4 + +config CPU_ADDR_BITS + int + default 36 + +config SMM_TSEG_SIZE + hex + default 0x800000 + +config SMM_RESERVED_SIZE + hex + default 0x100000 + +config HAVE_MRC + bool "Add a Memory Reference Code binary" + default y + help + Select this option to add a blob containing + memory reference code. + Note: Without this binary coreboot will not work + +if HAVE_MRC + +config MRC_FILE + string "Intel memory refeference code path and filename" + default "3rdparty/northbridge/intel/sandybridge/systemagent-r6.bin" + help + The path and filename of the file to use as System Agent + binary. Note that this points to the sandybridge binary file + which is will not work, but it serves its purpose to do builds. + +config MRC_BIN_ADDRESS + hex + default 0xfffa0000 + +config CACHE_MRC_SETTINGS + bool "Save cached MRC settings" + default n + +if CACHE_MRC_SETTINGS + +config MRC_SETTINGS_CACHE_BASE + hex + default 0xffb00000 + +config MRC_SETTINGS_CACHE_SIZE + hex + default 0x10000 + +endif # CACHE_MRC_SETTINGS + +endif # HAVE_MRC + +config CAR_TILE_SIZE + hex + default 0x8000 + help + The tile size is the limit that can be assigned to cache-as-ram + region as well as the amount of code cache used during cache-as-ram. + Also note that (DCACHE_RAM_BASE ^ MRC_BIN_ADDRESS) & CAR_TILE_SIZE == + CAR_TILE_SIZE. + +# Cache As RAM region layout: +# +# +-------------+ DCACHE_RAM_BASE + DCACHE_RAM_SIZE + DCACHE_RAM_MRC_VAR_SIZE +# | MRC usage | +# | | +# +-------------+ DCACHE_RAM_BASE + DCACHE_RAM_SIZE +# | Stack |\ +# | | | * DCACHE_RAM_ROMSTAGE_STACK_SIZE +# | v |/ +# +-------------+ +# | ^ | +# | | | +# | CAR Globals | +# +-------------+ DCACHE_RAM_BASE +# +# Note that the MRC binary is linked to assume the region marked as "MRC usage" +# starts at DCACHE_RAM_BASE + DCACHE_RAM_SIZE. If those values change then +# a new MRC binary needs to be produced with the updated start and size +# information. + +config DCACHE_RAM_BASE + hex + default 0xff7f8000 + +config DCACHE_RAM_SIZE + hex + default 0x1000 + help + The size of the cache-as-ram region required during bootblock + and/or romstage. Note DCACHE_RAM_SIZE and DCACHE_RAM_MRC_VAR_SIZE + must add up to a power of 2. + +config DCACHE_RAM_MRC_VAR_SIZE + hex + default 0x7000 + help + The amount of cache-as-ram region required by the reference code. + +config DCACHE_RAM_ROMSTAGE_STACK_SIZE + hex + default 0x800 + help + The amount of anticipated stack usage from the data cache + during pre-ram rom stage execution. + +config RESET_ON_INVALID_RAMSTAGE_CACHE + bool "Reset the system on S3 wake when ramstage cache invalid." + default n + depends on RELOCATABLE_RAMSTAGE + help + The baytrail romstage code caches the loaded ramstage program + in SMM space. On S3 wake the romstage will copy over a fresh + ramstage that was cached in the SMM space. This option determines + the action to take when the ramstage cache is invalid. If selected + the system will reset otherwise the ramstage will be reloaded from + cbfs. + +config CBFS_SIZE + hex "Size of CBFS filesystem in ROM" + default 0x100000 + help + On Bay Trail systems the firmware image has to store a lot more + than just coreboot, including: + - a firmware descriptor + - Intel Management Engine firmware + - MRC cache information + This option allows to limit the size of the CBFS portion in the + firmware image. + +config ENABLE_BUILTIN_COM1 + bool "Enable builtin COM1 Serial Port" + default n + help + The PMC has a legacy COM1 serial port. Choose this option to + configure the pads and enable it. This serial port can be used for + the debug console. + +config HAVE_ME_BIN + bool "Add Intel Management Engine firmware" + default y + help + The Intel processor in the selected system requires a special firmware + for an integrated controller called Management Engine (ME). The ME + firmware might be provided in coreboot's 3rdparty repository. If + not and if you don't have the firmware elsewhere, you can still + build coreboot without it. In this case however, you'll have to make + sure that you don't overwrite your ME firmware on your flash ROM. + +config ME_BIN_PATH + string "Path to management engine firmware" + depends on HAVE_ME_BIN + default "3rdparty/mainboard/$(MAINBOARDDIR)/me.bin" + +config HAVE_IFD_BIN + bool + default y + +config BUILD_WITH_FAKE_IFD + bool "Build with a fake IFD" + default y if !HAVE_IFD_BIN + help + If you don't have an Intel Firmware Descriptor (ifd.bin) for your + board, you can select this option and coreboot will build without it. + Though, the resulting coreboot.rom will not contain all parts required + to get coreboot running on your board. You can however write only the + BIOS section to your board's flash ROM and keep the other sections + untouched. Unfortunately the current version of flashrom doesn't + support this yet. But there is a patch pending [1]. + + WARNING: Never write a complete coreboot.rom to your flash ROM if it + was built with a fake IFD. It just won't work. + + [1] http://www.flashrom.org/pipermail/flashrom/2013-June/011083.html + +config IFD_BIOS_SECTION + depends on BUILD_WITH_FAKE_IFD + string + default "" + +config IFD_ME_SECTION + depends on BUILD_WITH_FAKE_IFD + string + default "" + +config IFD_PLATFORM_SECTION + depends on BUILD_WITH_FAKE_IFD + string + default "" + +config IFD_BIN_PATH + string "Path to intel firmware descriptor" + depends on !BUILD_WITH_FAKE_IFD + default "3rdparty/mainboard/$(MAINBOARDDIR)/descriptor.bin" + +endif |