1dd84058dSMasahiro Yamadamenu "x86 architecture" 2dd84058dSMasahiro Yamada depends on X86 3dd84058dSMasahiro Yamada 4dd84058dSMasahiro Yamadaconfig SYS_ARCH 5dd84058dSMasahiro Yamada default "x86" 6dd84058dSMasahiro Yamada 7dd84058dSMasahiro Yamadachoice 865c4ac0aSBin Meng prompt "Mainboard vendor" 999a309f3SBin Meng default VENDOR_EMULATION 10dd84058dSMasahiro Yamada 1165c4ac0aSBin Mengconfig VENDOR_COREBOOT 1265c4ac0aSBin Meng bool "coreboot" 138ef07571SSimon Glass 143dcdd17bSBen Stoltzconfig VENDOR_EFI 153dcdd17bSBen Stoltz bool "efi" 163dcdd17bSBen Stoltz 17a65b25d1SBin Mengconfig VENDOR_EMULATION 18a65b25d1SBin Meng bool "emulation" 19a65b25d1SBin Meng 2065c4ac0aSBin Mengconfig VENDOR_GOOGLE 2165c4ac0aSBin Meng bool "Google" 22dd84058dSMasahiro Yamada 2365c4ac0aSBin Mengconfig VENDOR_INTEL 2465c4ac0aSBin Meng bool "Intel" 25ef46bea0SBin Meng 26dd84058dSMasahiro Yamadaendchoice 27dd84058dSMasahiro Yamada 2865c4ac0aSBin Meng# board-specific options below 2965c4ac0aSBin Mengsource "board/coreboot/Kconfig" 303e9aa320SBen Stoltzsource "board/efi/Kconfig" 31a65b25d1SBin Mengsource "board/emulation/Kconfig" 3265c4ac0aSBin Mengsource "board/google/Kconfig" 3365c4ac0aSBin Mengsource "board/intel/Kconfig" 3465c4ac0aSBin Meng 35029194a3SBin Meng# platform-specific options below 36029194a3SBin Mengsource "arch/x86/cpu/baytrail/Kconfig" 37*2f3f477bSSimon Glasssource "arch/x86/cpu/broadwell/Kconfig" 38029194a3SBin Mengsource "arch/x86/cpu/coreboot/Kconfig" 39029194a3SBin Mengsource "arch/x86/cpu/ivybridge/Kconfig" 40a65b25d1SBin Mengsource "arch/x86/cpu/qemu/Kconfig" 41029194a3SBin Mengsource "arch/x86/cpu/quark/Kconfig" 42029194a3SBin Mengsource "arch/x86/cpu/queensbay/Kconfig" 43029194a3SBin Meng 44029194a3SBin Meng# architecture-specific options below 45029194a3SBin Meng 46b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN 47b724bd7dSSimon Glass default 0x800 48b724bd7dSSimon Glass 4970a09c6cSSimon Glassconfig RAMBASE 5070a09c6cSSimon Glass hex 5170a09c6cSSimon Glass default 0x100000 5270a09c6cSSimon Glass 5370a09c6cSSimon Glassconfig XIP_ROM_SIZE 5470a09c6cSSimon Glass hex 557698d36aSBin Meng depends on X86_RESET_VECTOR 56bbd43d65SSimon Glass default ROM_SIZE 5770a09c6cSSimon Glass 5870a09c6cSSimon Glassconfig CPU_ADDR_BITS 5970a09c6cSSimon Glass int 6070a09c6cSSimon Glass default 36 6170a09c6cSSimon Glass 6265dd74a6SSimon Glassconfig HPET_ADDRESS 6365dd74a6SSimon Glass hex 6465dd74a6SSimon Glass default 0xfed00000 if !HPET_ADDRESS_OVERRIDE 6565dd74a6SSimon Glass 6665dd74a6SSimon Glassconfig SMM_TSEG 6765dd74a6SSimon Glass bool 6865dd74a6SSimon Glass default n 6965dd74a6SSimon Glass 7065dd74a6SSimon Glassconfig SMM_TSEG_SIZE 7165dd74a6SSimon Glass hex 7265dd74a6SSimon Glass 738cb20cccSBin Mengconfig X86_RESET_VECTOR 748cb20cccSBin Meng bool 758cb20cccSBin Meng default n 768cb20cccSBin Meng 77343fb990SBin Mengconfig RESET_SEG_START 78343fb990SBin Meng hex 79343fb990SBin Meng depends on X86_RESET_VECTOR 80343fb990SBin Meng default 0xffff0000 81343fb990SBin Meng 82343fb990SBin Mengconfig RESET_SEG_SIZE 83343fb990SBin Meng hex 84343fb990SBin Meng depends on X86_RESET_VECTOR 85343fb990SBin Meng default 0x10000 86343fb990SBin Meng 87343fb990SBin Mengconfig RESET_VEC_LOC 88343fb990SBin Meng hex 89343fb990SBin Meng depends on X86_RESET_VECTOR 90343fb990SBin Meng default 0xfffffff0 91343fb990SBin Meng 928cb20cccSBin Mengconfig SYS_X86_START16 938cb20cccSBin Meng hex 948cb20cccSBin Meng depends on X86_RESET_VECTOR 958cb20cccSBin Meng default 0xfffff800 968cb20cccSBin Meng 9764542f46SBin Mengconfig BOARD_ROMSIZE_KB_512 9864542f46SBin Meng bool 9964542f46SBin Mengconfig BOARD_ROMSIZE_KB_1024 10064542f46SBin Meng bool 10164542f46SBin Mengconfig BOARD_ROMSIZE_KB_2048 10264542f46SBin Meng bool 10364542f46SBin Mengconfig BOARD_ROMSIZE_KB_4096 10464542f46SBin Meng bool 10564542f46SBin Mengconfig BOARD_ROMSIZE_KB_8192 10664542f46SBin Meng bool 10764542f46SBin Mengconfig BOARD_ROMSIZE_KB_16384 10864542f46SBin Meng bool 10964542f46SBin Meng 11064542f46SBin Mengchoice 11164542f46SBin Meng prompt "ROM chip size" 1127698d36aSBin Meng depends on X86_RESET_VECTOR 11364542f46SBin Meng default UBOOT_ROMSIZE_KB_512 if BOARD_ROMSIZE_KB_512 11464542f46SBin Meng default UBOOT_ROMSIZE_KB_1024 if BOARD_ROMSIZE_KB_1024 11564542f46SBin Meng default UBOOT_ROMSIZE_KB_2048 if BOARD_ROMSIZE_KB_2048 11664542f46SBin Meng default UBOOT_ROMSIZE_KB_4096 if BOARD_ROMSIZE_KB_4096 11764542f46SBin Meng default UBOOT_ROMSIZE_KB_8192 if BOARD_ROMSIZE_KB_8192 11864542f46SBin Meng default UBOOT_ROMSIZE_KB_16384 if BOARD_ROMSIZE_KB_16384 11964542f46SBin Meng help 12064542f46SBin Meng Select the size of the ROM chip you intend to flash U-Boot on. 12164542f46SBin Meng 12264542f46SBin Meng The build system will take care of creating a u-boot.rom file 12364542f46SBin Meng of the matching size. 12464542f46SBin Meng 12564542f46SBin Mengconfig UBOOT_ROMSIZE_KB_512 12664542f46SBin Meng bool "512 KB" 12764542f46SBin Meng help 12864542f46SBin Meng Choose this option if you have a 512 KB ROM chip. 12964542f46SBin Meng 13064542f46SBin Mengconfig UBOOT_ROMSIZE_KB_1024 13164542f46SBin Meng bool "1024 KB (1 MB)" 13264542f46SBin Meng help 13364542f46SBin Meng Choose this option if you have a 1024 KB (1 MB) ROM chip. 13464542f46SBin Meng 13564542f46SBin Mengconfig UBOOT_ROMSIZE_KB_2048 13664542f46SBin Meng bool "2048 KB (2 MB)" 13764542f46SBin Meng help 13864542f46SBin Meng Choose this option if you have a 2048 KB (2 MB) ROM chip. 13964542f46SBin Meng 14064542f46SBin Mengconfig UBOOT_ROMSIZE_KB_4096 14164542f46SBin Meng bool "4096 KB (4 MB)" 14264542f46SBin Meng help 14364542f46SBin Meng Choose this option if you have a 4096 KB (4 MB) ROM chip. 14464542f46SBin Meng 14564542f46SBin Mengconfig UBOOT_ROMSIZE_KB_8192 14664542f46SBin Meng bool "8192 KB (8 MB)" 14764542f46SBin Meng help 14864542f46SBin Meng Choose this option if you have a 8192 KB (8 MB) ROM chip. 14964542f46SBin Meng 15064542f46SBin Mengconfig UBOOT_ROMSIZE_KB_16384 15164542f46SBin Meng bool "16384 KB (16 MB)" 15264542f46SBin Meng help 15364542f46SBin Meng Choose this option if you have a 16384 KB (16 MB) ROM chip. 15464542f46SBin Meng 15564542f46SBin Mengendchoice 15664542f46SBin Meng 15764542f46SBin Meng# Map the config names to an integer (KB). 15864542f46SBin Mengconfig UBOOT_ROMSIZE_KB 15964542f46SBin Meng int 16064542f46SBin Meng default 512 if UBOOT_ROMSIZE_KB_512 16164542f46SBin Meng default 1024 if UBOOT_ROMSIZE_KB_1024 16264542f46SBin Meng default 2048 if UBOOT_ROMSIZE_KB_2048 16364542f46SBin Meng default 4096 if UBOOT_ROMSIZE_KB_4096 16464542f46SBin Meng default 8192 if UBOOT_ROMSIZE_KB_8192 16564542f46SBin Meng default 16384 if UBOOT_ROMSIZE_KB_16384 16664542f46SBin Meng 16764542f46SBin Meng# Map the config names to a hex value (bytes). 168fce7b276SSimon Glassconfig ROM_SIZE 169fce7b276SSimon Glass hex 17064542f46SBin Meng default 0x80000 if UBOOT_ROMSIZE_KB_512 17164542f46SBin Meng default 0x100000 if UBOOT_ROMSIZE_KB_1024 17264542f46SBin Meng default 0x200000 if UBOOT_ROMSIZE_KB_2048 17364542f46SBin Meng default 0x400000 if UBOOT_ROMSIZE_KB_4096 17464542f46SBin Meng default 0x800000 if UBOOT_ROMSIZE_KB_8192 17564542f46SBin Meng default 0xc00000 if UBOOT_ROMSIZE_KB_12288 17664542f46SBin Meng default 0x1000000 if UBOOT_ROMSIZE_KB_16384 177fce7b276SSimon Glass 178fce7b276SSimon Glassconfig HAVE_INTEL_ME 179fce7b276SSimon Glass bool "Platform requires Intel Management Engine" 180fce7b276SSimon Glass help 181fce7b276SSimon Glass Newer higher-end devices have an Intel Management Engine (ME) 182fce7b276SSimon Glass which is a very large binary blob (typically 1.5MB) which is 183fce7b276SSimon Glass required for the platform to work. This enforces a particular 184fce7b276SSimon Glass SPI flash format. You will need to supply the me.bin file in 185fce7b276SSimon Glass your board directory. 186fce7b276SSimon Glass 18765dd74a6SSimon Glassconfig X86_RAMTEST 18865dd74a6SSimon Glass bool "Perform a simple RAM test after SDRAM initialisation" 18965dd74a6SSimon Glass help 19065dd74a6SSimon Glass If there is something wrong with SDRAM then the platform will 19165dd74a6SSimon Glass often crash within U-Boot or the kernel. This option enables a 19265dd74a6SSimon Glass very simple RAM test that quickly checks whether the SDRAM seems 19365dd74a6SSimon Glass to work correctly. It is not exhaustive but can save time by 19465dd74a6SSimon Glass detecting obvious failures. 19565dd74a6SSimon Glass 1968ce24cd9SSimon Glassconfig HAVE_FSP 1978ce24cd9SSimon Glass bool "Add an Firmware Support Package binary" 198e49cceacSSimon Glass depends on !EFI 1998ce24cd9SSimon Glass help 2008ce24cd9SSimon Glass Select this option to add an Firmware Support Package binary to 2018ce24cd9SSimon Glass the resulting U-Boot image. It is a binary blob which U-Boot uses 2028ce24cd9SSimon Glass to set up SDRAM and other chipset specific initialization. 2038ce24cd9SSimon Glass 2048ce24cd9SSimon Glass Note: Without this binary U-Boot will not be able to set up its 2058ce24cd9SSimon Glass SDRAM so will not boot. 2068ce24cd9SSimon Glass 2078ce24cd9SSimon Glassconfig FSP_FILE 2088ce24cd9SSimon Glass string "Firmware Support Package binary filename" 2098ce24cd9SSimon Glass depends on HAVE_FSP 2108ce24cd9SSimon Glass default "fsp.bin" 2118ce24cd9SSimon Glass help 2128ce24cd9SSimon Glass The filename of the file to use as Firmware Support Package binary 2138ce24cd9SSimon Glass in the board directory. 2148ce24cd9SSimon Glass 2158ce24cd9SSimon Glassconfig FSP_ADDR 2168ce24cd9SSimon Glass hex "Firmware Support Package binary location" 2178ce24cd9SSimon Glass depends on HAVE_FSP 2188ce24cd9SSimon Glass default 0xfffc0000 2198ce24cd9SSimon Glass help 2208ce24cd9SSimon Glass FSP is not Position Independent Code (PIC) and the whole FSP has to 2218ce24cd9SSimon Glass be rebased if it is placed at a location which is different from the 2228ce24cd9SSimon Glass perferred base address specified during the FSP build. Use Intel's 2238ce24cd9SSimon Glass Binary Configuration Tool (BCT) to do the rebase. 2248ce24cd9SSimon Glass 2258ce24cd9SSimon Glass The default base address of 0xfffc0000 indicates that the binary must 2268ce24cd9SSimon Glass be located at offset 0xc0000 from the beginning of a 1MB flash device. 2278ce24cd9SSimon Glass 2288ce24cd9SSimon Glassconfig FSP_TEMP_RAM_ADDR 2298ce24cd9SSimon Glass hex 230d04e30b8SBin Meng depends on HAVE_FSP 2318ce24cd9SSimon Glass default 0x2000000 2328ce24cd9SSimon Glass help 23348aa6c26SBin Meng Stack top address which is used in fsp_init() after DRAM is ready and 2348ce24cd9SSimon Glass CAR is disabled. 2358ce24cd9SSimon Glass 23657b10f59SBin Mengconfig FSP_SYS_MALLOC_F_LEN 23757b10f59SBin Meng hex 23857b10f59SBin Meng depends on HAVE_FSP 23957b10f59SBin Meng default 0x100000 24057b10f59SBin Meng help 24157b10f59SBin Meng Additional size of malloc() pool before relocation. 24257b10f59SBin Meng 2433340f2ccSBin Mengconfig FSP_USE_UPD 2443340f2ccSBin Meng bool 2453340f2ccSBin Meng depends on HAVE_FSP 2463340f2ccSBin Meng default y 2473340f2ccSBin Meng help 2483340f2ccSBin Meng Most FSPs use UPD data region for some FSP customization. But there 2493340f2ccSBin Meng are still some FSPs that might not even have UPD. For such FSPs, 2503340f2ccSBin Meng override this to n in their platform Kconfig files. 2513340f2ccSBin Meng 252dc5be508SBin Mengconfig FSP_BROKEN_HOB 253dc5be508SBin Meng bool 254dc5be508SBin Meng depends on HAVE_FSP 255dc5be508SBin Meng help 256dc5be508SBin Meng Indicate some buggy FSPs that does not report memory used by FSP 257dc5be508SBin Meng itself as reserved in the resource descriptor HOB. Select this to 258dc5be508SBin Meng tell U-Boot to do some additional work to ensure U-Boot relocation 259dc5be508SBin Meng do not overwrite the important boot service data which is used by 260dc5be508SBin Meng FSP, otherwise the subsequent call to fsp_notify() will fail. 261dc5be508SBin Meng 262e2d76e95SBin Mengconfig ENABLE_MRC_CACHE 263e2d76e95SBin Meng bool "Enable MRC cache" 264e2d76e95SBin Meng depends on !EFI && !SYS_COREBOOT 265e2d76e95SBin Meng help 266e2d76e95SBin Meng Enable this feature to cause MRC data to be cached in NV storage 267e2d76e95SBin Meng to be used for speeding up boot time on future reboots and/or 268e2d76e95SBin Meng power cycles. 269e2d76e95SBin Meng 270f7d35bc1SSimon Glassconfig HAVE_MRC 271f7d35bc1SSimon Glass bool "Add a System Agent binary" 272f7d35bc1SSimon Glass depends on !HAVE_FSP 273f7d35bc1SSimon Glass help 274f7d35bc1SSimon Glass Select this option to add a System Agent binary to 275f7d35bc1SSimon Glass the resulting U-Boot image. MRC stands for Memory Reference Code. 276f7d35bc1SSimon Glass It is a binary blob which U-Boot uses to set up SDRAM. 277f7d35bc1SSimon Glass 278f7d35bc1SSimon Glass Note: Without this binary U-Boot will not be able to set up its 279f7d35bc1SSimon Glass SDRAM so will not boot. 280f7d35bc1SSimon Glass 281f7d35bc1SSimon Glassconfig CACHE_MRC_BIN 282f7d35bc1SSimon Glass bool 283f7d35bc1SSimon Glass depends on HAVE_MRC 284f7d35bc1SSimon Glass default n 285f7d35bc1SSimon Glass help 286f7d35bc1SSimon Glass Enable caching for the memory reference code binary. This uses an 287f7d35bc1SSimon Glass MTRR (memory type range register) to turn on caching for the section 288f7d35bc1SSimon Glass of SPI flash that contains the memory reference code. This makes 289f7d35bc1SSimon Glass SDRAM init run faster. 290f7d35bc1SSimon Glass 291f7d35bc1SSimon Glassconfig CACHE_MRC_SIZE_KB 292f7d35bc1SSimon Glass int 293f7d35bc1SSimon Glass depends on HAVE_MRC 294f7d35bc1SSimon Glass default 512 295f7d35bc1SSimon Glass help 296f7d35bc1SSimon Glass Sets the size of the cached area for the memory reference code. 297f7d35bc1SSimon Glass This ends at the end of SPI flash (address 0xffffffff) and is 298f7d35bc1SSimon Glass measured in KB. Typically this is set to 512, providing for 0.5MB 299f7d35bc1SSimon Glass of cached space. 300f7d35bc1SSimon Glass 301f7d35bc1SSimon Glassconfig DCACHE_RAM_BASE 302f7d35bc1SSimon Glass hex 303f7d35bc1SSimon Glass depends on HAVE_MRC 304f7d35bc1SSimon Glass help 305f7d35bc1SSimon Glass Sets the base of the data cache area in memory space. This is the 306f7d35bc1SSimon Glass start address of the cache-as-RAM (CAR) area and the address varies 307f7d35bc1SSimon Glass depending on the CPU. Once CAR is set up, read/write memory becomes 308f7d35bc1SSimon Glass available at this address and can be used temporarily until SDRAM 309f7d35bc1SSimon Glass is working. 310f7d35bc1SSimon Glass 311f7d35bc1SSimon Glassconfig DCACHE_RAM_SIZE 312f7d35bc1SSimon Glass hex 313f7d35bc1SSimon Glass depends on HAVE_MRC 314f7d35bc1SSimon Glass default 0x40000 315f7d35bc1SSimon Glass help 316f7d35bc1SSimon Glass Sets the total size of the data cache area in memory space. This 317f7d35bc1SSimon Glass sets the size of the cache-as-RAM (CAR) area. Note that much of the 318f7d35bc1SSimon Glass CAR space is required by the MRC. The CAR space available to U-Boot 319f7d35bc1SSimon Glass is normally at the start and typically extends to 1/4 or 1/2 of the 320f7d35bc1SSimon Glass available size. 321f7d35bc1SSimon Glass 322f7d35bc1SSimon Glassconfig DCACHE_RAM_MRC_VAR_SIZE 323f7d35bc1SSimon Glass hex 324f7d35bc1SSimon Glass depends on HAVE_MRC 325f7d35bc1SSimon Glass help 326f7d35bc1SSimon Glass This is the amount of CAR (Cache as RAM) reserved for use by the 327f7d35bc1SSimon Glass memory reference code. This depends on the implementation of the 328f7d35bc1SSimon Glass memory reference code and must be set correctly or the board will 329f7d35bc1SSimon Glass not boot. 330f7d35bc1SSimon Glass 3310adf8d35SSimon Glassconfig HAVE_REFCODE 3320adf8d35SSimon Glass bool "Add a Reference Code binary" 3330adf8d35SSimon Glass help 3340adf8d35SSimon Glass Select this option to add a Reference Code binary to the resulting 3350adf8d35SSimon Glass U-Boot image. This is an Intel binary blob that handles system 3360adf8d35SSimon Glass initialisation, in this case the PCH and System Agent. 3370adf8d35SSimon Glass 3380adf8d35SSimon Glass Note: Without this binary (on platforms that need it such as 3390adf8d35SSimon Glass broadwell) U-Boot will be missing some critical setup steps. 3400adf8d35SSimon Glass Various peripherals may fail to work. 3410adf8d35SSimon Glass 3424c71322bSBin Mengconfig SMP 3434c71322bSBin Meng bool "Enable Symmetric Multiprocessing" 3444c71322bSBin Meng default n 3454c71322bSBin Meng help 3464c71322bSBin Meng Enable use of more than one CPU in U-Boot and the Operating System 3474c71322bSBin Meng when loaded. Each CPU will be started up and information can be 3484c71322bSBin Meng obtained using the 'cpu' command. If this option is disabled, then 3494c71322bSBin Meng only one CPU will be enabled regardless of the number of CPUs 3504c71322bSBin Meng available. 3514c71322bSBin Meng 35245b5a378SSimon Glassconfig MAX_CPUS 35345b5a378SSimon Glass int "Maximum number of CPUs permitted" 354063374d2SBin Meng depends on SMP 35545b5a378SSimon Glass default 4 35645b5a378SSimon Glass help 35745b5a378SSimon Glass When using multi-CPU chips it is possible for U-Boot to start up 35845b5a378SSimon Glass more than one CPU. The stack memory used by all of these CPUs is 35945b5a378SSimon Glass pre-allocated so at present U-Boot wants to know the maximum 36045b5a378SSimon Glass number of CPUs that may be present. Set this to at least as high 36145b5a378SSimon Glass as the number of CPUs in your system (it uses about 4KB of RAM for 36245b5a378SSimon Glass each CPU). 36345b5a378SSimon Glass 36445b5a378SSimon Glassconfig AP_STACK_SIZE 36545b5a378SSimon Glass hex 366063374d2SBin Meng depends on SMP 36745b5a378SSimon Glass default 0x1000 36845b5a378SSimon Glass help 36945b5a378SSimon Glass Each additional CPU started by U-Boot requires its own stack. This 37045b5a378SSimon Glass option sets the stack size used by each CPU and directly affects 37145b5a378SSimon Glass the memory used by this initialisation process. Typically 4KB is 37245b5a378SSimon Glass enough space. 37345b5a378SSimon Glass 374786a08e0SBin Mengconfig HAVE_VGA_BIOS 375786a08e0SBin Meng bool "Add a VGA BIOS image" 376786a08e0SBin Meng help 377786a08e0SBin Meng Select this option if you have a VGA BIOS image that you would 378786a08e0SBin Meng like to add to your ROM. 379786a08e0SBin Meng 380786a08e0SBin Mengconfig VGA_BIOS_FILE 381786a08e0SBin Meng string "VGA BIOS image filename" 382786a08e0SBin Meng depends on HAVE_VGA_BIOS 383786a08e0SBin Meng default "vga.bin" 384786a08e0SBin Meng help 385786a08e0SBin Meng The filename of the VGA BIOS image in the board directory. 386786a08e0SBin Meng 387786a08e0SBin Mengconfig VGA_BIOS_ADDR 388786a08e0SBin Meng hex "VGA BIOS image location" 389786a08e0SBin Meng depends on HAVE_VGA_BIOS 390786a08e0SBin Meng default 0xfff90000 391786a08e0SBin Meng help 392786a08e0SBin Meng The location of VGA BIOS image in the SPI flash. For example, base 393786a08e0SBin Meng address of 0xfff90000 indicates that the image will be put at offset 394786a08e0SBin Meng 0x90000 from the beginning of a 1MB flash device. 395786a08e0SBin Meng 396b5b6b019SBin Mengmenu "System tables" 3978744bef5SBin Meng depends on !EFI && !SYS_COREBOOT 398b5b6b019SBin Meng 399b5b6b019SBin Mengconfig GENERATE_PIRQ_TABLE 400b5b6b019SBin Meng bool "Generate a PIRQ table" 401b5b6b019SBin Meng default n 402b5b6b019SBin Meng help 403b5b6b019SBin Meng Generate a PIRQ routing table for this board. The PIRQ routing table 404b5b6b019SBin Meng is generated by U-Boot in the system memory from 0xf0000 to 0xfffff 405b5b6b019SBin Meng at every 16-byte boundary with a PCI IRQ routing signature ("$PIR"). 406b5b6b019SBin Meng It specifies the interrupt router information as well how all the PCI 407b5b6b019SBin Meng devices' interrupt pins are wired to PIRQs. 408b5b6b019SBin Meng 4096388e357SSimon Glassconfig GENERATE_SFI_TABLE 4106388e357SSimon Glass bool "Generate a SFI (Simple Firmware Interface) table" 4116388e357SSimon Glass help 4126388e357SSimon Glass The Simple Firmware Interface (SFI) provides a lightweight method 4136388e357SSimon Glass for platform firmware to pass information to the operating system 4146388e357SSimon Glass via static tables in memory. Kernel SFI support is required to 4156388e357SSimon Glass boot on SFI-only platforms. If you have ACPI tables then these are 4166388e357SSimon Glass used instead. 4176388e357SSimon Glass 4186388e357SSimon Glass U-Boot writes this table in write_sfi_table() just before booting 4196388e357SSimon Glass the OS. 4206388e357SSimon Glass 4216388e357SSimon Glass For more information, see http://simplefirmware.org 4226388e357SSimon Glass 42307545d86SBin Mengconfig GENERATE_MP_TABLE 42407545d86SBin Meng bool "Generate an MP (Multi-Processor) table" 42507545d86SBin Meng default n 42607545d86SBin Meng help 42707545d86SBin Meng Generate an MP (Multi-Processor) table for this board. The MP table 42807545d86SBin Meng provides a way for the operating system to support for symmetric 42907545d86SBin Meng multiprocessing as well as symmetric I/O interrupt handling with 43007545d86SBin Meng the local APIC and I/O APIC. 43107545d86SBin Meng 432867bcb63SSaket Sinhaconfig GENERATE_ACPI_TABLE 433867bcb63SSaket Sinha bool "Generate an ACPI (Advanced Configuration and Power Interface) table" 434867bcb63SSaket Sinha default n 435867bcb63SSaket Sinha help 436867bcb63SSaket Sinha The Advanced Configuration and Power Interface (ACPI) specification 437867bcb63SSaket Sinha provides an open standard for device configuration and management 438867bcb63SSaket Sinha by the operating system. It defines platform-independent interfaces 439867bcb63SSaket Sinha for configuration and power management monitoring. 440867bcb63SSaket Sinha 441a5dd1e67SMiao Yanconfig QEMU_ACPI_TABLE 442a5dd1e67SMiao Yan bool "Load ACPI table from QEMU fw_cfg interface" 443a5dd1e67SMiao Yan depends on GENERATE_ACPI_TABLE && QEMU 444a5dd1e67SMiao Yan default y 445a5dd1e67SMiao Yan help 446a5dd1e67SMiao Yan By default, U-Boot generates its own ACPI tables. This option, if 447a5dd1e67SMiao Yan enabled, disables U-Boot's version and loads ACPI tables generated 448a5dd1e67SMiao Yan by QEMU. 449a5dd1e67SMiao Yan 450721e992aSBin Mengconfig GENERATE_SMBIOS_TABLE 451721e992aSBin Meng bool "Generate an SMBIOS (System Management BIOS) table" 452721e992aSBin Meng default y 453721e992aSBin Meng help 454721e992aSBin Meng The System Management BIOS (SMBIOS) specification addresses how 455721e992aSBin Meng motherboard and system vendors present management information about 456721e992aSBin Meng their products in a standard format by extending the BIOS interface 457721e992aSBin Meng on Intel architecture systems. 458721e992aSBin Meng 459721e992aSBin Meng Check http://www.dmtf.org/standards/smbios for details. 460721e992aSBin Meng 461b5b6b019SBin Mengendmenu 462b5b6b019SBin Meng 463b5b6b019SBin Mengconfig MAX_PIRQ_LINKS 464b5b6b019SBin Meng int 465b5b6b019SBin Meng default 8 466b5b6b019SBin Meng help 467b5b6b019SBin Meng This variable specifies the number of PIRQ interrupt links which are 468b5b6b019SBin Meng routable. On most older chipsets, this is 4, PIRQA through PIRQD. 469b5b6b019SBin Meng Some newer chipsets offer more than four links, commonly up to PIRQH. 470b5b6b019SBin Meng 471b5b6b019SBin Mengconfig IRQ_SLOT_COUNT 472b5b6b019SBin Meng int 473b5b6b019SBin Meng default 128 474b5b6b019SBin Meng help 475b5b6b019SBin Meng U-Boot can support up to 254 IRQ slot info in the PIRQ routing table 476b5b6b019SBin Meng which in turns forms a table of exact 4KiB. The default value 128 477b5b6b019SBin Meng should be enough for most boards. If this does not fit your board, 478b5b6b019SBin Meng change it according to your needs. 479b5b6b019SBin Meng 4802d934e57SSimon Glassconfig PCIE_ECAM_BASE 4812d934e57SSimon Glass hex 4822d934e57SSimon Glass default 0xe0000000 4832d934e57SSimon Glass help 4842d934e57SSimon Glass This is the memory-mapped address of PCI configuration space, which 4852d934e57SSimon Glass is only available through the Enhanced Configuration Access 4862d934e57SSimon Glass Mechanism (ECAM) with PCI Express. It can be set up almost 4872d934e57SSimon Glass anywhere. Before it is set up, it is possible to access PCI 4882d934e57SSimon Glass configuration space through I/O access, but memory access is more 4892d934e57SSimon Glass convenient. Using this, PCI can be scanned and configured. This 4902d934e57SSimon Glass should be set to a region that does not conflict with memory 4912d934e57SSimon Glass assigned to PCI devices - i.e. the memory and prefetch regions, as 4922d934e57SSimon Glass passed to pci_set_region(). 4932d934e57SSimon Glass 4941ed6648bSBin Mengconfig PCIE_ECAM_SIZE 4951ed6648bSBin Meng hex 4961ed6648bSBin Meng default 0x10000000 4971ed6648bSBin Meng help 4981ed6648bSBin Meng This is the size of memory-mapped address of PCI configuration space, 4991ed6648bSBin Meng which is only available through the Enhanced Configuration Access 5001ed6648bSBin Meng Mechanism (ECAM) with PCI Express. Each bus consumes 1 MiB memory, 5011ed6648bSBin Meng so a default 0x10000000 size covers all of the 256 buses which is the 5021ed6648bSBin Meng maximum number of PCI buses as defined by the PCI specification. 5031ed6648bSBin Meng 5041eb39a50SBin Mengconfig I8259_PIC 5051eb39a50SBin Meng bool 5061eb39a50SBin Meng default y 5071eb39a50SBin Meng help 5081eb39a50SBin Meng Intel 8259 ISA compatible chipset incorporates two 8259 (master and 5091eb39a50SBin Meng slave) interrupt controllers. Include this to have U-Boot set up 5101eb39a50SBin Meng the interrupt correctly. 5111eb39a50SBin Meng 5121eb39a50SBin Mengconfig I8254_TIMER 5131eb39a50SBin Meng bool 5141eb39a50SBin Meng default y 5151eb39a50SBin Meng help 5161eb39a50SBin Meng Intel 8254 timer contains three counters which have fixed uses. 5171eb39a50SBin Meng Include this to have U-Boot set up the timer correctly. 5181eb39a50SBin Meng 5196b44ae6bSSimon Glassconfig I8042_KEYB 5206b44ae6bSSimon Glass default y 5216b44ae6bSSimon Glass 5226b44ae6bSSimon Glassconfig DM_KEYBOARD 5236b44ae6bSSimon Glass default y 5246b44ae6bSSimon Glass 5253cf23719SBin Mengconfig SEABIOS 5263cf23719SBin Meng bool "Support booting SeaBIOS" 5273cf23719SBin Meng help 5283cf23719SBin Meng SeaBIOS is an open source implementation of a 16-bit X86 BIOS. 5293cf23719SBin Meng It can run in an emulator or natively on X86 hardware with the use 5303cf23719SBin Meng of coreboot/U-Boot. By turning on this option, U-Boot prepares 5313cf23719SBin Meng all the configuration tables that are necessary to boot SeaBIOS. 5323cf23719SBin Meng 5333cf23719SBin Meng Check http://www.seabios.org/SeaBIOS for details. 5343cf23719SBin Meng 535e49cceacSSimon Glasssource "arch/x86/lib/efi/Kconfig" 536e49cceacSSimon Glass 537dd84058dSMasahiro Yamadaendmenu 538