1dd84058dSMasahiro Yamadamenu "x86 architecture" 2dd84058dSMasahiro Yamada depends on X86 3dd84058dSMasahiro Yamada 4dd84058dSMasahiro Yamadaconfig SYS_ARCH 5dd84058dSMasahiro Yamada default "x86" 6dd84058dSMasahiro Yamada 7dd84058dSMasahiro Yamadachoice 8a66ad67fSSimon Glass prompt "Run U-Boot in 32/64-bit mode" 9a66ad67fSSimon Glass default X86_RUN_32BIT 10a66ad67fSSimon Glass help 11a66ad67fSSimon Glass U-Boot can be built as a 32-bit binary which runs in 32-bit mode 12a66ad67fSSimon Glass even on 64-bit machines. In this case SPL is not used, and U-Boot 13a66ad67fSSimon Glass runs directly from the reset vector (via 16-bit start-up). 14a66ad67fSSimon Glass 15a66ad67fSSimon Glass Alternatively it can be run as a 64-bit binary, thus requiring a 16a66ad67fSSimon Glass 64-bit machine. In this case SPL runs in 32-bit mode (via 16-bit 17a66ad67fSSimon Glass start-up) then jumps to U-Boot in 64-bit mode. 18a66ad67fSSimon Glass 19a66ad67fSSimon Glass For now, 32-bit mode is recommended, as 64-bit is still 20a66ad67fSSimon Glass experimental and is missing a lot of features. 21a66ad67fSSimon Glass 22a66ad67fSSimon Glassconfig X86_RUN_32BIT 23a66ad67fSSimon Glass bool "32-bit" 24a66ad67fSSimon Glass help 25a66ad67fSSimon Glass Build U-Boot as a 32-bit binary with no SPL. This is the currently 26a66ad67fSSimon Glass supported normal setup. U-Boot will stay in 32-bit mode even on 27a66ad67fSSimon Glass 64-bit machines. When booting a 64-bit kernel, U-Boot will switch 28a66ad67fSSimon Glass to 64-bit just before starting the kernel. Only the bottom 4GB of 29a66ad67fSSimon Glass memory can be accessed through normal means, although 30a66ad67fSSimon Glass arch_phys_memset() can be used for basic access to other memory. 31a66ad67fSSimon Glass 32a66ad67fSSimon Glassconfig X86_RUN_64BIT 33a66ad67fSSimon Glass bool "64-bit" 34a66ad67fSSimon Glass select X86_64 35a66ad67fSSimon Glass select SUPPORT_SPL 36a66ad67fSSimon Glass select SPL 37a66ad67fSSimon Glass select SPL_SEPARATE_BSS 38a66ad67fSSimon Glass help 39a66ad67fSSimon Glass Build U-Boot as a 64-bit binary with a 32-bit SPL. This is 40a66ad67fSSimon Glass experimental and many features are missing. U-Boot SPL starts up, 41a66ad67fSSimon Glass runs through the 16-bit and 32-bit init, then switches to 64-bit 42a66ad67fSSimon Glass mode and jumps to U-Boot proper. 43a66ad67fSSimon Glass 44a66ad67fSSimon Glassendchoice 45a66ad67fSSimon Glass 46a66ad67fSSimon Glassconfig X86_64 47a66ad67fSSimon Glass bool 48a66ad67fSSimon Glass 49a66ad67fSSimon Glassconfig SPL_X86_64 50a66ad67fSSimon Glass bool 51a66ad67fSSimon Glass depends on SPL 52a66ad67fSSimon Glass 53a66ad67fSSimon Glasschoice 5465c4ac0aSBin Meng prompt "Mainboard vendor" 5599a309f3SBin Meng default VENDOR_EMULATION 56dd84058dSMasahiro Yamada 57215099a5SGeorge McCollisterconfig VENDOR_ADVANTECH 58215099a5SGeorge McCollister bool "advantech" 59215099a5SGeorge McCollister 6082ceba2cSStefan Roeseconfig VENDOR_CONGATEC 6182ceba2cSStefan Roese bool "congatec" 6282ceba2cSStefan Roese 6365c4ac0aSBin Mengconfig VENDOR_COREBOOT 6465c4ac0aSBin Meng bool "coreboot" 658ef07571SSimon Glass 66b1ad6c69SStefan Roeseconfig VENDOR_DFI 67b1ad6c69SStefan Roese bool "dfi" 68b1ad6c69SStefan Roese 693dcdd17bSBen Stoltzconfig VENDOR_EFI 703dcdd17bSBen Stoltz bool "efi" 713dcdd17bSBen Stoltz 72a65b25d1SBin Mengconfig VENDOR_EMULATION 73a65b25d1SBin Meng bool "emulation" 74a65b25d1SBin Meng 7565c4ac0aSBin Mengconfig VENDOR_GOOGLE 7665c4ac0aSBin Meng bool "Google" 77dd84058dSMasahiro Yamada 7865c4ac0aSBin Mengconfig VENDOR_INTEL 7965c4ac0aSBin Meng bool "Intel" 80ef46bea0SBin Meng 81dd84058dSMasahiro Yamadaendchoice 82dd84058dSMasahiro Yamada 837a96fd8eSAndy Shevchenko# subarchitectures-specific options below 847a96fd8eSAndy Shevchenkoconfig INTEL_MID 857a96fd8eSAndy Shevchenko bool "Intel MID platform support" 86bb416465SFelipe Balbi select REGMAP 87bb416465SFelipe Balbi select SYSCON 887a96fd8eSAndy Shevchenko help 897a96fd8eSAndy Shevchenko Select to build a U-Boot capable of supporting Intel MID 907a96fd8eSAndy Shevchenko (Mobile Internet Device) platform systems which do not have 917a96fd8eSAndy Shevchenko the PCI legacy interfaces. 927a96fd8eSAndy Shevchenko 937a96fd8eSAndy Shevchenko If you are building for a PC class system say N here. 947a96fd8eSAndy Shevchenko 957a96fd8eSAndy Shevchenko Intel MID platforms are based on an Intel processor and 967a96fd8eSAndy Shevchenko chipset which consume less power than most of the x86 977a96fd8eSAndy Shevchenko derivatives. 987a96fd8eSAndy Shevchenko 9965c4ac0aSBin Meng# board-specific options below 100215099a5SGeorge McCollistersource "board/advantech/Kconfig" 10182ceba2cSStefan Roesesource "board/congatec/Kconfig" 10265c4ac0aSBin Mengsource "board/coreboot/Kconfig" 103b1ad6c69SStefan Roesesource "board/dfi/Kconfig" 1043e9aa320SBen Stoltzsource "board/efi/Kconfig" 105a65b25d1SBin Mengsource "board/emulation/Kconfig" 10665c4ac0aSBin Mengsource "board/google/Kconfig" 10765c4ac0aSBin Mengsource "board/intel/Kconfig" 10865c4ac0aSBin Meng 109029194a3SBin Meng# platform-specific options below 110029194a3SBin Mengsource "arch/x86/cpu/baytrail/Kconfig" 1112f3f477bSSimon Glasssource "arch/x86/cpu/broadwell/Kconfig" 112029194a3SBin Mengsource "arch/x86/cpu/coreboot/Kconfig" 113029194a3SBin Mengsource "arch/x86/cpu/ivybridge/Kconfig" 114a65b25d1SBin Mengsource "arch/x86/cpu/qemu/Kconfig" 115029194a3SBin Mengsource "arch/x86/cpu/quark/Kconfig" 116029194a3SBin Mengsource "arch/x86/cpu/queensbay/Kconfig" 117029194a3SBin Meng 118029194a3SBin Meng# architecture-specific options below 119029194a3SBin Meng 120a219639dSSimon Glassconfig AHCI 121a219639dSSimon Glass default y 122a219639dSSimon Glass 123b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN 124b724bd7dSSimon Glass default 0x800 125b724bd7dSSimon Glass 12670a09c6cSSimon Glassconfig RAMBASE 12770a09c6cSSimon Glass hex 12870a09c6cSSimon Glass default 0x100000 12970a09c6cSSimon Glass 13070a09c6cSSimon Glassconfig XIP_ROM_SIZE 13170a09c6cSSimon Glass hex 1327698d36aSBin Meng depends on X86_RESET_VECTOR 133bbd43d65SSimon Glass default ROM_SIZE 13470a09c6cSSimon Glass 13570a09c6cSSimon Glassconfig CPU_ADDR_BITS 13670a09c6cSSimon Glass int 13770a09c6cSSimon Glass default 36 13870a09c6cSSimon Glass 13965dd74a6SSimon Glassconfig HPET_ADDRESS 14065dd74a6SSimon Glass hex 14165dd74a6SSimon Glass default 0xfed00000 if !HPET_ADDRESS_OVERRIDE 14265dd74a6SSimon Glass 14365dd74a6SSimon Glassconfig SMM_TSEG 14465dd74a6SSimon Glass bool 14565dd74a6SSimon Glass default n 14665dd74a6SSimon Glass 14765dd74a6SSimon Glassconfig SMM_TSEG_SIZE 14865dd74a6SSimon Glass hex 14965dd74a6SSimon Glass 1508cb20cccSBin Mengconfig X86_RESET_VECTOR 1518cb20cccSBin Meng bool 1528cb20cccSBin Meng default n 1538cb20cccSBin Meng 15413f1dc64SSimon Glass# The following options control where the 16-bit and 32-bit init lies 15513f1dc64SSimon Glass# If SPL is enabled then it normally holds this init code, and U-Boot proper 15613f1dc64SSimon Glass# is normally a 64-bit build. 15713f1dc64SSimon Glass# 15813f1dc64SSimon Glass# The 16-bit init refers to the reset vector and the small amount of code to 15913f1dc64SSimon Glass# get the processor into 32-bit mode. It may be in SPL or in U-Boot proper, 16013f1dc64SSimon Glass# or missing altogether if U-Boot is started from EFI or coreboot. 16113f1dc64SSimon Glass# 16213f1dc64SSimon Glass# The 32-bit init refers to processor init, running binary blobs including 16313f1dc64SSimon Glass# FSP, setting up interrupts and anything else that needs to be done in 16413f1dc64SSimon Glass# 32-bit code. It is normally in the same place as 16-bit init if that is 16513f1dc64SSimon Glass# enabled (i.e. they are both in SPL, or both in U-Boot proper). 16613f1dc64SSimon Glassconfig X86_16BIT_INIT 16713f1dc64SSimon Glass bool 16813f1dc64SSimon Glass depends on X86_RESET_VECTOR 16913f1dc64SSimon Glass default y if X86_RESET_VECTOR && !SPL 17013f1dc64SSimon Glass help 17113f1dc64SSimon Glass This is enabled when 16-bit init is in U-Boot proper 17213f1dc64SSimon Glass 17313f1dc64SSimon Glassconfig SPL_X86_16BIT_INIT 17413f1dc64SSimon Glass bool 17513f1dc64SSimon Glass depends on X86_RESET_VECTOR 17613f1dc64SSimon Glass default y if X86_RESET_VECTOR && SPL 17713f1dc64SSimon Glass help 17813f1dc64SSimon Glass This is enabled when 16-bit init is in SPL 17913f1dc64SSimon Glass 18013f1dc64SSimon Glassconfig X86_32BIT_INIT 18113f1dc64SSimon Glass bool 18213f1dc64SSimon Glass depends on X86_RESET_VECTOR 18313f1dc64SSimon Glass default y if X86_RESET_VECTOR && !SPL 18413f1dc64SSimon Glass help 18513f1dc64SSimon Glass This is enabled when 32-bit init is in U-Boot proper 18613f1dc64SSimon Glass 18713f1dc64SSimon Glassconfig SPL_X86_32BIT_INIT 18813f1dc64SSimon Glass bool 18913f1dc64SSimon Glass depends on X86_RESET_VECTOR 19013f1dc64SSimon Glass default y if X86_RESET_VECTOR && SPL 19113f1dc64SSimon Glass help 19213f1dc64SSimon Glass This is enabled when 32-bit init is in SPL 19313f1dc64SSimon Glass 194343fb990SBin Mengconfig RESET_SEG_START 195343fb990SBin Meng hex 196343fb990SBin Meng depends on X86_RESET_VECTOR 197343fb990SBin Meng default 0xffff0000 198343fb990SBin Meng 199343fb990SBin Mengconfig RESET_SEG_SIZE 200343fb990SBin Meng hex 201343fb990SBin Meng depends on X86_RESET_VECTOR 202343fb990SBin Meng default 0x10000 203343fb990SBin Meng 204343fb990SBin Mengconfig RESET_VEC_LOC 205343fb990SBin Meng hex 206343fb990SBin Meng depends on X86_RESET_VECTOR 207343fb990SBin Meng default 0xfffffff0 208343fb990SBin Meng 2098cb20cccSBin Mengconfig SYS_X86_START16 2108cb20cccSBin Meng hex 2118cb20cccSBin Meng depends on X86_RESET_VECTOR 2128cb20cccSBin Meng default 0xfffff800 2138cb20cccSBin Meng 214446d4e04SAndy Shevchenkoconfig X86_LOAD_FROM_32_BIT 215446d4e04SAndy Shevchenko bool "Boot from a 32-bit program" 216446d4e04SAndy Shevchenko help 217446d4e04SAndy Shevchenko Define this to boot U-Boot from a 32-bit program which sets 218446d4e04SAndy Shevchenko the GDT differently. This can be used to boot directly from 219446d4e04SAndy Shevchenko any stage of coreboot, for example, bypassing the normal 220446d4e04SAndy Shevchenko payload-loading feature. 221446d4e04SAndy Shevchenko 22264542f46SBin Mengconfig BOARD_ROMSIZE_KB_512 22364542f46SBin Meng bool 22464542f46SBin Mengconfig BOARD_ROMSIZE_KB_1024 22564542f46SBin Meng bool 22664542f46SBin Mengconfig BOARD_ROMSIZE_KB_2048 22764542f46SBin Meng bool 22864542f46SBin Mengconfig BOARD_ROMSIZE_KB_4096 22964542f46SBin Meng bool 23064542f46SBin Mengconfig BOARD_ROMSIZE_KB_8192 23164542f46SBin Meng bool 23264542f46SBin Mengconfig BOARD_ROMSIZE_KB_16384 23364542f46SBin Meng bool 23464542f46SBin Meng 23564542f46SBin Mengchoice 23664542f46SBin Meng prompt "ROM chip size" 2377698d36aSBin Meng depends on X86_RESET_VECTOR 23864542f46SBin Meng default UBOOT_ROMSIZE_KB_512 if BOARD_ROMSIZE_KB_512 23964542f46SBin Meng default UBOOT_ROMSIZE_KB_1024 if BOARD_ROMSIZE_KB_1024 24064542f46SBin Meng default UBOOT_ROMSIZE_KB_2048 if BOARD_ROMSIZE_KB_2048 24164542f46SBin Meng default UBOOT_ROMSIZE_KB_4096 if BOARD_ROMSIZE_KB_4096 24264542f46SBin Meng default UBOOT_ROMSIZE_KB_8192 if BOARD_ROMSIZE_KB_8192 24364542f46SBin Meng default UBOOT_ROMSIZE_KB_16384 if BOARD_ROMSIZE_KB_16384 24464542f46SBin Meng help 24564542f46SBin Meng Select the size of the ROM chip you intend to flash U-Boot on. 24664542f46SBin Meng 24764542f46SBin Meng The build system will take care of creating a u-boot.rom file 24864542f46SBin Meng of the matching size. 24964542f46SBin Meng 25064542f46SBin Mengconfig UBOOT_ROMSIZE_KB_512 25164542f46SBin Meng bool "512 KB" 25264542f46SBin Meng help 25364542f46SBin Meng Choose this option if you have a 512 KB ROM chip. 25464542f46SBin Meng 25564542f46SBin Mengconfig UBOOT_ROMSIZE_KB_1024 25664542f46SBin Meng bool "1024 KB (1 MB)" 25764542f46SBin Meng help 25864542f46SBin Meng Choose this option if you have a 1024 KB (1 MB) ROM chip. 25964542f46SBin Meng 26064542f46SBin Mengconfig UBOOT_ROMSIZE_KB_2048 26164542f46SBin Meng bool "2048 KB (2 MB)" 26264542f46SBin Meng help 26364542f46SBin Meng Choose this option if you have a 2048 KB (2 MB) ROM chip. 26464542f46SBin Meng 26564542f46SBin Mengconfig UBOOT_ROMSIZE_KB_4096 26664542f46SBin Meng bool "4096 KB (4 MB)" 26764542f46SBin Meng help 26864542f46SBin Meng Choose this option if you have a 4096 KB (4 MB) ROM chip. 26964542f46SBin Meng 27064542f46SBin Mengconfig UBOOT_ROMSIZE_KB_8192 27164542f46SBin Meng bool "8192 KB (8 MB)" 27264542f46SBin Meng help 27364542f46SBin Meng Choose this option if you have a 8192 KB (8 MB) ROM chip. 27464542f46SBin Meng 27564542f46SBin Mengconfig UBOOT_ROMSIZE_KB_16384 27664542f46SBin Meng bool "16384 KB (16 MB)" 27764542f46SBin Meng help 27864542f46SBin Meng Choose this option if you have a 16384 KB (16 MB) ROM chip. 27964542f46SBin Meng 28064542f46SBin Mengendchoice 28164542f46SBin Meng 28264542f46SBin Meng# Map the config names to an integer (KB). 28364542f46SBin Mengconfig UBOOT_ROMSIZE_KB 28464542f46SBin Meng int 28564542f46SBin Meng default 512 if UBOOT_ROMSIZE_KB_512 28664542f46SBin Meng default 1024 if UBOOT_ROMSIZE_KB_1024 28764542f46SBin Meng default 2048 if UBOOT_ROMSIZE_KB_2048 28864542f46SBin Meng default 4096 if UBOOT_ROMSIZE_KB_4096 28964542f46SBin Meng default 8192 if UBOOT_ROMSIZE_KB_8192 29064542f46SBin Meng default 16384 if UBOOT_ROMSIZE_KB_16384 29164542f46SBin Meng 29264542f46SBin Meng# Map the config names to a hex value (bytes). 293fce7b276SSimon Glassconfig ROM_SIZE 294fce7b276SSimon Glass hex 29564542f46SBin Meng default 0x80000 if UBOOT_ROMSIZE_KB_512 29664542f46SBin Meng default 0x100000 if UBOOT_ROMSIZE_KB_1024 29764542f46SBin Meng default 0x200000 if UBOOT_ROMSIZE_KB_2048 29864542f46SBin Meng default 0x400000 if UBOOT_ROMSIZE_KB_4096 29964542f46SBin Meng default 0x800000 if UBOOT_ROMSIZE_KB_8192 30064542f46SBin Meng default 0xc00000 if UBOOT_ROMSIZE_KB_12288 30164542f46SBin Meng default 0x1000000 if UBOOT_ROMSIZE_KB_16384 302fce7b276SSimon Glass 303fce7b276SSimon Glassconfig HAVE_INTEL_ME 304fce7b276SSimon Glass bool "Platform requires Intel Management Engine" 305fce7b276SSimon Glass help 306fce7b276SSimon Glass Newer higher-end devices have an Intel Management Engine (ME) 307fce7b276SSimon Glass which is a very large binary blob (typically 1.5MB) which is 308fce7b276SSimon Glass required for the platform to work. This enforces a particular 309fce7b276SSimon Glass SPI flash format. You will need to supply the me.bin file in 310fce7b276SSimon Glass your board directory. 311fce7b276SSimon Glass 31265dd74a6SSimon Glassconfig X86_RAMTEST 31365dd74a6SSimon Glass bool "Perform a simple RAM test after SDRAM initialisation" 31465dd74a6SSimon Glass help 31565dd74a6SSimon Glass If there is something wrong with SDRAM then the platform will 31665dd74a6SSimon Glass often crash within U-Boot or the kernel. This option enables a 31765dd74a6SSimon Glass very simple RAM test that quickly checks whether the SDRAM seems 31865dd74a6SSimon Glass to work correctly. It is not exhaustive but can save time by 31965dd74a6SSimon Glass detecting obvious failures. 32065dd74a6SSimon Glass 3213dc0f844SStefan Roeseconfig FLASH_DESCRIPTOR_FILE 3223dc0f844SStefan Roese string "Flash descriptor binary filename" 3233dc0f844SStefan Roese depends on HAVE_INTEL_ME 3243dc0f844SStefan Roese default "descriptor.bin" 3253dc0f844SStefan Roese help 3263dc0f844SStefan Roese The filename of the file to use as flash descriptor in the 3273dc0f844SStefan Roese board directory. 3283dc0f844SStefan Roese 3293dc0f844SStefan Roeseconfig INTEL_ME_FILE 3303dc0f844SStefan Roese string "Intel Management Engine binary filename" 3313dc0f844SStefan Roese depends on HAVE_INTEL_ME 3323dc0f844SStefan Roese default "me.bin" 3333dc0f844SStefan Roese help 3343dc0f844SStefan Roese The filename of the file to use as Intel Management Engine in the 3353dc0f844SStefan Roese board directory. 3363dc0f844SStefan Roese 3378ce24cd9SSimon Glassconfig HAVE_FSP 3388ce24cd9SSimon Glass bool "Add an Firmware Support Package binary" 339e49cceacSSimon Glass depends on !EFI 3408ce24cd9SSimon Glass help 3418ce24cd9SSimon Glass Select this option to add an Firmware Support Package binary to 3428ce24cd9SSimon Glass the resulting U-Boot image. It is a binary blob which U-Boot uses 3438ce24cd9SSimon Glass to set up SDRAM and other chipset specific initialization. 3448ce24cd9SSimon Glass 3458ce24cd9SSimon Glass Note: Without this binary U-Boot will not be able to set up its 3468ce24cd9SSimon Glass SDRAM so will not boot. 3478ce24cd9SSimon Glass 3488ce24cd9SSimon Glassconfig FSP_FILE 3498ce24cd9SSimon Glass string "Firmware Support Package binary filename" 3508ce24cd9SSimon Glass depends on HAVE_FSP 3518ce24cd9SSimon Glass default "fsp.bin" 3528ce24cd9SSimon Glass help 3538ce24cd9SSimon Glass The filename of the file to use as Firmware Support Package binary 3548ce24cd9SSimon Glass in the board directory. 3558ce24cd9SSimon Glass 3568ce24cd9SSimon Glassconfig FSP_ADDR 3578ce24cd9SSimon Glass hex "Firmware Support Package binary location" 3588ce24cd9SSimon Glass depends on HAVE_FSP 3598ce24cd9SSimon Glass default 0xfffc0000 3608ce24cd9SSimon Glass help 3618ce24cd9SSimon Glass FSP is not Position Independent Code (PIC) and the whole FSP has to 3628ce24cd9SSimon Glass be rebased if it is placed at a location which is different from the 3638ce24cd9SSimon Glass perferred base address specified during the FSP build. Use Intel's 3648ce24cd9SSimon Glass Binary Configuration Tool (BCT) to do the rebase. 3658ce24cd9SSimon Glass 3668ce24cd9SSimon Glass The default base address of 0xfffc0000 indicates that the binary must 3678ce24cd9SSimon Glass be located at offset 0xc0000 from the beginning of a 1MB flash device. 3688ce24cd9SSimon Glass 3698ce24cd9SSimon Glassconfig FSP_TEMP_RAM_ADDR 3708ce24cd9SSimon Glass hex 371d04e30b8SBin Meng depends on HAVE_FSP 3728ce24cd9SSimon Glass default 0x2000000 3738ce24cd9SSimon Glass help 37448aa6c26SBin Meng Stack top address which is used in fsp_init() after DRAM is ready and 3758ce24cd9SSimon Glass CAR is disabled. 3768ce24cd9SSimon Glass 37757b10f59SBin Mengconfig FSP_SYS_MALLOC_F_LEN 37857b10f59SBin Meng hex 37957b10f59SBin Meng depends on HAVE_FSP 38057b10f59SBin Meng default 0x100000 38157b10f59SBin Meng help 38257b10f59SBin Meng Additional size of malloc() pool before relocation. 38357b10f59SBin Meng 3843340f2ccSBin Mengconfig FSP_USE_UPD 3853340f2ccSBin Meng bool 3863340f2ccSBin Meng depends on HAVE_FSP 3873340f2ccSBin Meng default y 3883340f2ccSBin Meng help 3893340f2ccSBin Meng Most FSPs use UPD data region for some FSP customization. But there 3903340f2ccSBin Meng are still some FSPs that might not even have UPD. For such FSPs, 3913340f2ccSBin Meng override this to n in their platform Kconfig files. 3923340f2ccSBin Meng 393dc5be508SBin Mengconfig FSP_BROKEN_HOB 394dc5be508SBin Meng bool 395dc5be508SBin Meng depends on HAVE_FSP 396dc5be508SBin Meng help 397dc5be508SBin Meng Indicate some buggy FSPs that does not report memory used by FSP 398dc5be508SBin Meng itself as reserved in the resource descriptor HOB. Select this to 399dc5be508SBin Meng tell U-Boot to do some additional work to ensure U-Boot relocation 400dc5be508SBin Meng do not overwrite the important boot service data which is used by 401dc5be508SBin Meng FSP, otherwise the subsequent call to fsp_notify() will fail. 402dc5be508SBin Meng 403e2d76e95SBin Mengconfig ENABLE_MRC_CACHE 404e2d76e95SBin Meng bool "Enable MRC cache" 405e2d76e95SBin Meng depends on !EFI && !SYS_COREBOOT 406e2d76e95SBin Meng help 407e2d76e95SBin Meng Enable this feature to cause MRC data to be cached in NV storage 408e2d76e95SBin Meng to be used for speeding up boot time on future reboots and/or 409e2d76e95SBin Meng power cycles. 410e2d76e95SBin Meng 4115c60a3abSBin Meng For platforms that use Intel FSP for the memory initialization, 4125c60a3abSBin Meng please check FSP output HOB via U-Boot command 'fsp hob' to see 4135c60a3abSBin Meng if there is FSP_NON_VOLATILE_STORAGE_HOB_GUID (asm/fsp/fsp_hob.h). 4145c60a3abSBin Meng If such GUID does not exist, MRC cache is not avaiable on such 4155c60a3abSBin Meng platform (eg: Intel Queensbay), which means selecting this option 4165c60a3abSBin Meng here does not make any difference. 4175c60a3abSBin Meng 418f7d35bc1SSimon Glassconfig HAVE_MRC 419f7d35bc1SSimon Glass bool "Add a System Agent binary" 420f7d35bc1SSimon Glass depends on !HAVE_FSP 421f7d35bc1SSimon Glass help 422f7d35bc1SSimon Glass Select this option to add a System Agent binary to 423f7d35bc1SSimon Glass the resulting U-Boot image. MRC stands for Memory Reference Code. 424f7d35bc1SSimon Glass It is a binary blob which U-Boot uses to set up SDRAM. 425f7d35bc1SSimon Glass 426f7d35bc1SSimon Glass Note: Without this binary U-Boot will not be able to set up its 427f7d35bc1SSimon Glass SDRAM so will not boot. 428f7d35bc1SSimon Glass 429f7d35bc1SSimon Glassconfig CACHE_MRC_BIN 430f7d35bc1SSimon Glass bool 431f7d35bc1SSimon Glass depends on HAVE_MRC 432f7d35bc1SSimon Glass default n 433f7d35bc1SSimon Glass help 434f7d35bc1SSimon Glass Enable caching for the memory reference code binary. This uses an 435f7d35bc1SSimon Glass MTRR (memory type range register) to turn on caching for the section 436f7d35bc1SSimon Glass of SPI flash that contains the memory reference code. This makes 437f7d35bc1SSimon Glass SDRAM init run faster. 438f7d35bc1SSimon Glass 439f7d35bc1SSimon Glassconfig CACHE_MRC_SIZE_KB 440f7d35bc1SSimon Glass int 441f7d35bc1SSimon Glass depends on HAVE_MRC 442f7d35bc1SSimon Glass default 512 443f7d35bc1SSimon Glass help 444f7d35bc1SSimon Glass Sets the size of the cached area for the memory reference code. 445f7d35bc1SSimon Glass This ends at the end of SPI flash (address 0xffffffff) and is 446f7d35bc1SSimon Glass measured in KB. Typically this is set to 512, providing for 0.5MB 447f7d35bc1SSimon Glass of cached space. 448f7d35bc1SSimon Glass 449f7d35bc1SSimon Glassconfig DCACHE_RAM_BASE 450f7d35bc1SSimon Glass hex 451f7d35bc1SSimon Glass depends on HAVE_MRC 452f7d35bc1SSimon Glass help 453f7d35bc1SSimon Glass Sets the base of the data cache area in memory space. This is the 454f7d35bc1SSimon Glass start address of the cache-as-RAM (CAR) area and the address varies 455f7d35bc1SSimon Glass depending on the CPU. Once CAR is set up, read/write memory becomes 456f7d35bc1SSimon Glass available at this address and can be used temporarily until SDRAM 457f7d35bc1SSimon Glass is working. 458f7d35bc1SSimon Glass 459f7d35bc1SSimon Glassconfig DCACHE_RAM_SIZE 460f7d35bc1SSimon Glass hex 461f7d35bc1SSimon Glass depends on HAVE_MRC 462f7d35bc1SSimon Glass default 0x40000 463f7d35bc1SSimon Glass help 464f7d35bc1SSimon Glass Sets the total size of the data cache area in memory space. This 465f7d35bc1SSimon Glass sets the size of the cache-as-RAM (CAR) area. Note that much of the 466f7d35bc1SSimon Glass CAR space is required by the MRC. The CAR space available to U-Boot 467f7d35bc1SSimon Glass is normally at the start and typically extends to 1/4 or 1/2 of the 468f7d35bc1SSimon Glass available size. 469f7d35bc1SSimon Glass 470f7d35bc1SSimon Glassconfig DCACHE_RAM_MRC_VAR_SIZE 471f7d35bc1SSimon Glass hex 472f7d35bc1SSimon Glass depends on HAVE_MRC 473f7d35bc1SSimon Glass help 474f7d35bc1SSimon Glass This is the amount of CAR (Cache as RAM) reserved for use by the 475f7d35bc1SSimon Glass memory reference code. This depends on the implementation of the 476f7d35bc1SSimon Glass memory reference code and must be set correctly or the board will 477f7d35bc1SSimon Glass not boot. 478f7d35bc1SSimon Glass 4790adf8d35SSimon Glassconfig HAVE_REFCODE 4800adf8d35SSimon Glass bool "Add a Reference Code binary" 4810adf8d35SSimon Glass help 4820adf8d35SSimon Glass Select this option to add a Reference Code binary to the resulting 4830adf8d35SSimon Glass U-Boot image. This is an Intel binary blob that handles system 4840adf8d35SSimon Glass initialisation, in this case the PCH and System Agent. 4850adf8d35SSimon Glass 4860adf8d35SSimon Glass Note: Without this binary (on platforms that need it such as 4870adf8d35SSimon Glass broadwell) U-Boot will be missing some critical setup steps. 4880adf8d35SSimon Glass Various peripherals may fail to work. 4890adf8d35SSimon Glass 4904c71322bSBin Mengconfig SMP 4914c71322bSBin Meng bool "Enable Symmetric Multiprocessing" 4924c71322bSBin Meng default n 4934c71322bSBin Meng help 4944c71322bSBin Meng Enable use of more than one CPU in U-Boot and the Operating System 4954c71322bSBin Meng when loaded. Each CPU will be started up and information can be 4964c71322bSBin Meng obtained using the 'cpu' command. If this option is disabled, then 4974c71322bSBin Meng only one CPU will be enabled regardless of the number of CPUs 4984c71322bSBin Meng available. 4994c71322bSBin Meng 50045b5a378SSimon Glassconfig MAX_CPUS 50145b5a378SSimon Glass int "Maximum number of CPUs permitted" 502063374d2SBin Meng depends on SMP 50345b5a378SSimon Glass default 4 50445b5a378SSimon Glass help 50545b5a378SSimon Glass When using multi-CPU chips it is possible for U-Boot to start up 50645b5a378SSimon Glass more than one CPU. The stack memory used by all of these CPUs is 50745b5a378SSimon Glass pre-allocated so at present U-Boot wants to know the maximum 50845b5a378SSimon Glass number of CPUs that may be present. Set this to at least as high 50945b5a378SSimon Glass as the number of CPUs in your system (it uses about 4KB of RAM for 51045b5a378SSimon Glass each CPU). 51145b5a378SSimon Glass 51245b5a378SSimon Glassconfig AP_STACK_SIZE 51345b5a378SSimon Glass hex 514063374d2SBin Meng depends on SMP 51545b5a378SSimon Glass default 0x1000 51645b5a378SSimon Glass help 51745b5a378SSimon Glass Each additional CPU started by U-Boot requires its own stack. This 51845b5a378SSimon Glass option sets the stack size used by each CPU and directly affects 51945b5a378SSimon Glass the memory used by this initialisation process. Typically 4KB is 52045b5a378SSimon Glass enough space. 52145b5a378SSimon Glass 522786a08e0SBin Mengconfig HAVE_VGA_BIOS 523786a08e0SBin Meng bool "Add a VGA BIOS image" 524786a08e0SBin Meng help 525786a08e0SBin Meng Select this option if you have a VGA BIOS image that you would 526786a08e0SBin Meng like to add to your ROM. 527786a08e0SBin Meng 528786a08e0SBin Mengconfig VGA_BIOS_FILE 529786a08e0SBin Meng string "VGA BIOS image filename" 530786a08e0SBin Meng depends on HAVE_VGA_BIOS 531786a08e0SBin Meng default "vga.bin" 532786a08e0SBin Meng help 533786a08e0SBin Meng The filename of the VGA BIOS image in the board directory. 534786a08e0SBin Meng 535786a08e0SBin Mengconfig VGA_BIOS_ADDR 536786a08e0SBin Meng hex "VGA BIOS image location" 537786a08e0SBin Meng depends on HAVE_VGA_BIOS 538786a08e0SBin Meng default 0xfff90000 539786a08e0SBin Meng help 540786a08e0SBin Meng The location of VGA BIOS image in the SPI flash. For example, base 541786a08e0SBin Meng address of 0xfff90000 indicates that the image will be put at offset 542786a08e0SBin Meng 0x90000 from the beginning of a 1MB flash device. 543786a08e0SBin Meng 544b5b6b019SBin Mengmenu "System tables" 5458744bef5SBin Meng depends on !EFI && !SYS_COREBOOT 546b5b6b019SBin Meng 547b5b6b019SBin Mengconfig GENERATE_PIRQ_TABLE 548b5b6b019SBin Meng bool "Generate a PIRQ table" 549b5b6b019SBin Meng default n 550b5b6b019SBin Meng help 551b5b6b019SBin Meng Generate a PIRQ routing table for this board. The PIRQ routing table 552b5b6b019SBin Meng is generated by U-Boot in the system memory from 0xf0000 to 0xfffff 553b5b6b019SBin Meng at every 16-byte boundary with a PCI IRQ routing signature ("$PIR"). 554b5b6b019SBin Meng It specifies the interrupt router information as well how all the PCI 555b5b6b019SBin Meng devices' interrupt pins are wired to PIRQs. 556b5b6b019SBin Meng 5576388e357SSimon Glassconfig GENERATE_SFI_TABLE 5586388e357SSimon Glass bool "Generate a SFI (Simple Firmware Interface) table" 5596388e357SSimon Glass help 5606388e357SSimon Glass The Simple Firmware Interface (SFI) provides a lightweight method 5616388e357SSimon Glass for platform firmware to pass information to the operating system 5626388e357SSimon Glass via static tables in memory. Kernel SFI support is required to 5636388e357SSimon Glass boot on SFI-only platforms. If you have ACPI tables then these are 5646388e357SSimon Glass used instead. 5656388e357SSimon Glass 5666388e357SSimon Glass U-Boot writes this table in write_sfi_table() just before booting 5676388e357SSimon Glass the OS. 5686388e357SSimon Glass 5696388e357SSimon Glass For more information, see http://simplefirmware.org 5706388e357SSimon Glass 57107545d86SBin Mengconfig GENERATE_MP_TABLE 57207545d86SBin Meng bool "Generate an MP (Multi-Processor) table" 57307545d86SBin Meng default n 57407545d86SBin Meng help 57507545d86SBin Meng Generate an MP (Multi-Processor) table for this board. The MP table 57607545d86SBin Meng provides a way for the operating system to support for symmetric 57707545d86SBin Meng multiprocessing as well as symmetric I/O interrupt handling with 57807545d86SBin Meng the local APIC and I/O APIC. 57907545d86SBin Meng 580867bcb63SSaket Sinhaconfig GENERATE_ACPI_TABLE 581867bcb63SSaket Sinha bool "Generate an ACPI (Advanced Configuration and Power Interface) table" 582867bcb63SSaket Sinha default n 583fcf5c041SMiao Yan select QFW if QEMU 584867bcb63SSaket Sinha help 585867bcb63SSaket Sinha The Advanced Configuration and Power Interface (ACPI) specification 586867bcb63SSaket Sinha provides an open standard for device configuration and management 587867bcb63SSaket Sinha by the operating system. It defines platform-independent interfaces 588867bcb63SSaket Sinha for configuration and power management monitoring. 589867bcb63SSaket Sinha 590b5b6b019SBin Mengendmenu 591b5b6b019SBin Meng 592*4372c111SBin Mengconfig HAVE_ACPI_RESUME 593*4372c111SBin Meng bool "Enable ACPI S3 resume" 594*4372c111SBin Meng help 595*4372c111SBin Meng Select this to enable ACPI S3 resume. S3 is an ACPI-defined sleeping 596*4372c111SBin Meng state where all system context is lost except system memory. U-Boot 597*4372c111SBin Meng is responsible for restoring the machine state as it was before sleep. 598*4372c111SBin Meng It needs restore the memory controller, without overwriting memory 599*4372c111SBin Meng which is not marked as reserved. For the peripherals which lose their 600*4372c111SBin Meng registers, U-Boot needs to write the original value. When everything 601*4372c111SBin Meng is done, U-Boot needs to find out the wakeup vector provided by OSes 602*4372c111SBin Meng and jump there. 603*4372c111SBin Meng 604b5b6b019SBin Mengconfig MAX_PIRQ_LINKS 605b5b6b019SBin Meng int 606b5b6b019SBin Meng default 8 607b5b6b019SBin Meng help 608b5b6b019SBin Meng This variable specifies the number of PIRQ interrupt links which are 609b5b6b019SBin Meng routable. On most older chipsets, this is 4, PIRQA through PIRQD. 610b5b6b019SBin Meng Some newer chipsets offer more than four links, commonly up to PIRQH. 611b5b6b019SBin Meng 612b5b6b019SBin Mengconfig IRQ_SLOT_COUNT 613b5b6b019SBin Meng int 614b5b6b019SBin Meng default 128 615b5b6b019SBin Meng help 616b5b6b019SBin Meng U-Boot can support up to 254 IRQ slot info in the PIRQ routing table 617b5b6b019SBin Meng which in turns forms a table of exact 4KiB. The default value 128 618b5b6b019SBin Meng should be enough for most boards. If this does not fit your board, 619b5b6b019SBin Meng change it according to your needs. 620b5b6b019SBin Meng 6212d934e57SSimon Glassconfig PCIE_ECAM_BASE 6222d934e57SSimon Glass hex 6232d934e57SSimon Glass default 0xe0000000 6242d934e57SSimon Glass help 6252d934e57SSimon Glass This is the memory-mapped address of PCI configuration space, which 6262d934e57SSimon Glass is only available through the Enhanced Configuration Access 6272d934e57SSimon Glass Mechanism (ECAM) with PCI Express. It can be set up almost 6282d934e57SSimon Glass anywhere. Before it is set up, it is possible to access PCI 6292d934e57SSimon Glass configuration space through I/O access, but memory access is more 6302d934e57SSimon Glass convenient. Using this, PCI can be scanned and configured. This 6312d934e57SSimon Glass should be set to a region that does not conflict with memory 6322d934e57SSimon Glass assigned to PCI devices - i.e. the memory and prefetch regions, as 6332d934e57SSimon Glass passed to pci_set_region(). 6342d934e57SSimon Glass 6351ed6648bSBin Mengconfig PCIE_ECAM_SIZE 6361ed6648bSBin Meng hex 6371ed6648bSBin Meng default 0x10000000 6381ed6648bSBin Meng help 6391ed6648bSBin Meng This is the size of memory-mapped address of PCI configuration space, 6401ed6648bSBin Meng which is only available through the Enhanced Configuration Access 6411ed6648bSBin Meng Mechanism (ECAM) with PCI Express. Each bus consumes 1 MiB memory, 6421ed6648bSBin Meng so a default 0x10000000 size covers all of the 256 buses which is the 6431ed6648bSBin Meng maximum number of PCI buses as defined by the PCI specification. 6441ed6648bSBin Meng 6451eb39a50SBin Mengconfig I8259_PIC 6461eb39a50SBin Meng bool 6471eb39a50SBin Meng default y 6481eb39a50SBin Meng help 6491eb39a50SBin Meng Intel 8259 ISA compatible chipset incorporates two 8259 (master and 6501eb39a50SBin Meng slave) interrupt controllers. Include this to have U-Boot set up 6511eb39a50SBin Meng the interrupt correctly. 6521eb39a50SBin Meng 6531eb39a50SBin Mengconfig I8254_TIMER 6541eb39a50SBin Meng bool 6551eb39a50SBin Meng default y 6561eb39a50SBin Meng help 6571eb39a50SBin Meng Intel 8254 timer contains three counters which have fixed uses. 6581eb39a50SBin Meng Include this to have U-Boot set up the timer correctly. 6591eb39a50SBin Meng 6603cf23719SBin Mengconfig SEABIOS 6613cf23719SBin Meng bool "Support booting SeaBIOS" 6623cf23719SBin Meng help 6633cf23719SBin Meng SeaBIOS is an open source implementation of a 16-bit X86 BIOS. 6643cf23719SBin Meng It can run in an emulator or natively on X86 hardware with the use 6653cf23719SBin Meng of coreboot/U-Boot. By turning on this option, U-Boot prepares 6663cf23719SBin Meng all the configuration tables that are necessary to boot SeaBIOS. 6673cf23719SBin Meng 6683cf23719SBin Meng Check http://www.seabios.org/SeaBIOS for details. 6693cf23719SBin Meng 670789b6dceSBin Mengconfig HIGH_TABLE_SIZE 671789b6dceSBin Meng hex "Size of configuration tables which reside in high memory" 672789b6dceSBin Meng default 0x10000 673789b6dceSBin Meng depends on SEABIOS 674789b6dceSBin Meng help 675789b6dceSBin Meng SeaBIOS itself resides in E seg and F seg, where U-Boot puts all 676789b6dceSBin Meng configuration tables like PIRQ/MP/ACPI. To avoid conflicts, U-Boot 677789b6dceSBin Meng puts a copy of configuration tables in high memory region which 678789b6dceSBin Meng is reserved on the stack before relocation. The region size is 679789b6dceSBin Meng determined by this option. 680789b6dceSBin Meng 681789b6dceSBin Meng Increse it if the default size does not fit the board's needs. 682789b6dceSBin Meng This is most likely due to a large ACPI DSDT table is used. 683789b6dceSBin Meng 684e49cceacSSimon Glasssource "arch/x86/lib/efi/Kconfig" 685e49cceacSSimon Glass 686dd84058dSMasahiro Yamadaendmenu 687