1dd84058dSMasahiro Yamadamenu "x86 architecture" 2dd84058dSMasahiro Yamada depends on X86 3dd84058dSMasahiro Yamada 4dd84058dSMasahiro Yamadaconfig SYS_ARCH 5dd84058dSMasahiro Yamada default "x86" 6dd84058dSMasahiro Yamada 745ccec8fSMasahiro Yamadaconfig USE_PRIVATE_LIBGCC 845ccec8fSMasahiro Yamada default y 945ccec8fSMasahiro Yamada 108156345dSSimon Glassconfig SYS_VSNPRINTF 118156345dSSimon Glass default y 128156345dSSimon Glass 13dd84058dSMasahiro Yamadachoice 1465c4ac0aSBin Meng prompt "Mainboard vendor" 15*99a309f3SBin Meng default VENDOR_EMULATION 16dd84058dSMasahiro Yamada 1765c4ac0aSBin Mengconfig VENDOR_COREBOOT 1865c4ac0aSBin Meng bool "coreboot" 198ef07571SSimon Glass 20a65b25d1SBin Mengconfig VENDOR_EMULATION 21a65b25d1SBin Meng bool "emulation" 22a65b25d1SBin Meng 2365c4ac0aSBin Mengconfig VENDOR_GOOGLE 2465c4ac0aSBin Meng bool "Google" 25dd84058dSMasahiro Yamada 2665c4ac0aSBin Mengconfig VENDOR_INTEL 2765c4ac0aSBin Meng bool "Intel" 28ef46bea0SBin Meng 29dd84058dSMasahiro Yamadaendchoice 30dd84058dSMasahiro Yamada 3165c4ac0aSBin Meng# board-specific options below 3265c4ac0aSBin Mengsource "board/coreboot/Kconfig" 33a65b25d1SBin Mengsource "board/emulation/Kconfig" 3465c4ac0aSBin Mengsource "board/google/Kconfig" 3565c4ac0aSBin Mengsource "board/intel/Kconfig" 3665c4ac0aSBin Meng 37029194a3SBin Meng# platform-specific options below 38029194a3SBin Mengsource "arch/x86/cpu/baytrail/Kconfig" 39029194a3SBin Mengsource "arch/x86/cpu/coreboot/Kconfig" 40029194a3SBin Mengsource "arch/x86/cpu/ivybridge/Kconfig" 41a65b25d1SBin Mengsource "arch/x86/cpu/qemu/Kconfig" 42029194a3SBin Mengsource "arch/x86/cpu/quark/Kconfig" 43029194a3SBin Mengsource "arch/x86/cpu/queensbay/Kconfig" 44029194a3SBin Meng 45029194a3SBin Meng# architecture-specific options below 46029194a3SBin Meng 47b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN 48b724bd7dSSimon Glass default 0x800 49b724bd7dSSimon Glass 5070a09c6cSSimon Glassconfig RAMBASE 5170a09c6cSSimon Glass hex 5270a09c6cSSimon Glass default 0x100000 5370a09c6cSSimon Glass 5470a09c6cSSimon Glassconfig XIP_ROM_SIZE 5570a09c6cSSimon Glass hex 567698d36aSBin Meng depends on X86_RESET_VECTOR 57bbd43d65SSimon Glass default ROM_SIZE 5870a09c6cSSimon Glass 5970a09c6cSSimon Glassconfig CPU_ADDR_BITS 6070a09c6cSSimon Glass int 6170a09c6cSSimon Glass default 36 6270a09c6cSSimon Glass 6365dd74a6SSimon Glassconfig HPET_ADDRESS 6465dd74a6SSimon Glass hex 6565dd74a6SSimon Glass default 0xfed00000 if !HPET_ADDRESS_OVERRIDE 6665dd74a6SSimon Glass 6765dd74a6SSimon Glassconfig SMM_TSEG 6865dd74a6SSimon Glass bool 6965dd74a6SSimon Glass default n 7065dd74a6SSimon Glass 7165dd74a6SSimon Glassconfig SMM_TSEG_SIZE 7265dd74a6SSimon Glass hex 7365dd74a6SSimon Glass 748cb20cccSBin Mengconfig X86_RESET_VECTOR 758cb20cccSBin Meng bool 768cb20cccSBin Meng default n 778cb20cccSBin Meng 788cb20cccSBin Mengconfig SYS_X86_START16 798cb20cccSBin Meng hex 808cb20cccSBin Meng depends on X86_RESET_VECTOR 818cb20cccSBin Meng default 0xfffff800 828cb20cccSBin Meng 8364542f46SBin Mengconfig BOARD_ROMSIZE_KB_512 8464542f46SBin Meng bool 8564542f46SBin Mengconfig BOARD_ROMSIZE_KB_1024 8664542f46SBin Meng bool 8764542f46SBin Mengconfig BOARD_ROMSIZE_KB_2048 8864542f46SBin Meng bool 8964542f46SBin Mengconfig BOARD_ROMSIZE_KB_4096 9064542f46SBin Meng bool 9164542f46SBin Mengconfig BOARD_ROMSIZE_KB_8192 9264542f46SBin Meng bool 9364542f46SBin Mengconfig BOARD_ROMSIZE_KB_16384 9464542f46SBin Meng bool 9564542f46SBin Meng 9664542f46SBin Mengchoice 9764542f46SBin Meng prompt "ROM chip size" 987698d36aSBin Meng depends on X86_RESET_VECTOR 9964542f46SBin Meng default UBOOT_ROMSIZE_KB_512 if BOARD_ROMSIZE_KB_512 10064542f46SBin Meng default UBOOT_ROMSIZE_KB_1024 if BOARD_ROMSIZE_KB_1024 10164542f46SBin Meng default UBOOT_ROMSIZE_KB_2048 if BOARD_ROMSIZE_KB_2048 10264542f46SBin Meng default UBOOT_ROMSIZE_KB_4096 if BOARD_ROMSIZE_KB_4096 10364542f46SBin Meng default UBOOT_ROMSIZE_KB_8192 if BOARD_ROMSIZE_KB_8192 10464542f46SBin Meng default UBOOT_ROMSIZE_KB_16384 if BOARD_ROMSIZE_KB_16384 10564542f46SBin Meng help 10664542f46SBin Meng Select the size of the ROM chip you intend to flash U-Boot on. 10764542f46SBin Meng 10864542f46SBin Meng The build system will take care of creating a u-boot.rom file 10964542f46SBin Meng of the matching size. 11064542f46SBin Meng 11164542f46SBin Mengconfig UBOOT_ROMSIZE_KB_512 11264542f46SBin Meng bool "512 KB" 11364542f46SBin Meng help 11464542f46SBin Meng Choose this option if you have a 512 KB ROM chip. 11564542f46SBin Meng 11664542f46SBin Mengconfig UBOOT_ROMSIZE_KB_1024 11764542f46SBin Meng bool "1024 KB (1 MB)" 11864542f46SBin Meng help 11964542f46SBin Meng Choose this option if you have a 1024 KB (1 MB) ROM chip. 12064542f46SBin Meng 12164542f46SBin Mengconfig UBOOT_ROMSIZE_KB_2048 12264542f46SBin Meng bool "2048 KB (2 MB)" 12364542f46SBin Meng help 12464542f46SBin Meng Choose this option if you have a 2048 KB (2 MB) ROM chip. 12564542f46SBin Meng 12664542f46SBin Mengconfig UBOOT_ROMSIZE_KB_4096 12764542f46SBin Meng bool "4096 KB (4 MB)" 12864542f46SBin Meng help 12964542f46SBin Meng Choose this option if you have a 4096 KB (4 MB) ROM chip. 13064542f46SBin Meng 13164542f46SBin Mengconfig UBOOT_ROMSIZE_KB_8192 13264542f46SBin Meng bool "8192 KB (8 MB)" 13364542f46SBin Meng help 13464542f46SBin Meng Choose this option if you have a 8192 KB (8 MB) ROM chip. 13564542f46SBin Meng 13664542f46SBin Mengconfig UBOOT_ROMSIZE_KB_16384 13764542f46SBin Meng bool "16384 KB (16 MB)" 13864542f46SBin Meng help 13964542f46SBin Meng Choose this option if you have a 16384 KB (16 MB) ROM chip. 14064542f46SBin Meng 14164542f46SBin Mengendchoice 14264542f46SBin Meng 14364542f46SBin Meng# Map the config names to an integer (KB). 14464542f46SBin Mengconfig UBOOT_ROMSIZE_KB 14564542f46SBin Meng int 14664542f46SBin Meng default 512 if UBOOT_ROMSIZE_KB_512 14764542f46SBin Meng default 1024 if UBOOT_ROMSIZE_KB_1024 14864542f46SBin Meng default 2048 if UBOOT_ROMSIZE_KB_2048 14964542f46SBin Meng default 4096 if UBOOT_ROMSIZE_KB_4096 15064542f46SBin Meng default 8192 if UBOOT_ROMSIZE_KB_8192 15164542f46SBin Meng default 16384 if UBOOT_ROMSIZE_KB_16384 15264542f46SBin Meng 15364542f46SBin Meng# Map the config names to a hex value (bytes). 154fce7b276SSimon Glassconfig ROM_SIZE 155fce7b276SSimon Glass hex 15664542f46SBin Meng default 0x80000 if UBOOT_ROMSIZE_KB_512 15764542f46SBin Meng default 0x100000 if UBOOT_ROMSIZE_KB_1024 15864542f46SBin Meng default 0x200000 if UBOOT_ROMSIZE_KB_2048 15964542f46SBin Meng default 0x400000 if UBOOT_ROMSIZE_KB_4096 16064542f46SBin Meng default 0x800000 if UBOOT_ROMSIZE_KB_8192 16164542f46SBin Meng default 0xc00000 if UBOOT_ROMSIZE_KB_12288 16264542f46SBin Meng default 0x1000000 if UBOOT_ROMSIZE_KB_16384 163fce7b276SSimon Glass 164fce7b276SSimon Glassconfig HAVE_INTEL_ME 165fce7b276SSimon Glass bool "Platform requires Intel Management Engine" 166fce7b276SSimon Glass help 167fce7b276SSimon Glass Newer higher-end devices have an Intel Management Engine (ME) 168fce7b276SSimon Glass which is a very large binary blob (typically 1.5MB) which is 169fce7b276SSimon Glass required for the platform to work. This enforces a particular 170fce7b276SSimon Glass SPI flash format. You will need to supply the me.bin file in 171fce7b276SSimon Glass your board directory. 172fce7b276SSimon Glass 17365dd74a6SSimon Glassconfig X86_RAMTEST 17465dd74a6SSimon Glass bool "Perform a simple RAM test after SDRAM initialisation" 17565dd74a6SSimon Glass help 17665dd74a6SSimon Glass If there is something wrong with SDRAM then the platform will 17765dd74a6SSimon Glass often crash within U-Boot or the kernel. This option enables a 17865dd74a6SSimon Glass very simple RAM test that quickly checks whether the SDRAM seems 17965dd74a6SSimon Glass to work correctly. It is not exhaustive but can save time by 18065dd74a6SSimon Glass detecting obvious failures. 18165dd74a6SSimon Glass 18222465fc4SSimon Glassconfig MARK_GRAPHICS_MEM_WRCOMB 183d99b901eSBin Meng bool "Mark graphics memory as write-combining" 18422465fc4SSimon Glass default n 18522465fc4SSimon Glass help 18622465fc4SSimon Glass The graphics performance may increase if the graphics 18722465fc4SSimon Glass memory is set as write-combining cache type. This option 18822465fc4SSimon Glass enables marking the graphics memory as write-combining. 18922465fc4SSimon Glass 19022465fc4SSimon Glassmenu "Display" 19122465fc4SSimon Glass 19222465fc4SSimon Glassconfig FRAMEBUFFER_SET_VESA_MODE 19322465fc4SSimon Glass prompt "Set framebuffer graphics resolution" 19422465fc4SSimon Glass bool 19522465fc4SSimon Glass help 19622465fc4SSimon Glass Set VESA/native framebuffer mode (needed for bootsplash and graphical framebuffer console) 19722465fc4SSimon Glass 19822465fc4SSimon Glasschoice 19922465fc4SSimon Glass prompt "framebuffer graphics resolution" 20022465fc4SSimon Glass default FRAMEBUFFER_VESA_MODE_117 20122465fc4SSimon Glass depends on FRAMEBUFFER_SET_VESA_MODE 20222465fc4SSimon Glass help 20322465fc4SSimon Glass This option sets the resolution used for the coreboot framebuffer (and 20422465fc4SSimon Glass bootsplash screen). 20522465fc4SSimon Glass 20622465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_100 20722465fc4SSimon Glass bool "640x400 256-color" 20822465fc4SSimon Glass 20922465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_101 21022465fc4SSimon Glass bool "640x480 256-color" 21122465fc4SSimon Glass 21222465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_102 21322465fc4SSimon Glass bool "800x600 16-color" 21422465fc4SSimon Glass 21522465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_103 21622465fc4SSimon Glass bool "800x600 256-color" 21722465fc4SSimon Glass 21822465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_104 21922465fc4SSimon Glass bool "1024x768 16-color" 22022465fc4SSimon Glass 22122465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_105 22222465fc4SSimon Glass bool "1024x7686 256-color" 22322465fc4SSimon Glass 22422465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_106 22522465fc4SSimon Glass bool "1280x1024 16-color" 22622465fc4SSimon Glass 22722465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_107 22822465fc4SSimon Glass bool "1280x1024 256-color" 22922465fc4SSimon Glass 23022465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_108 23122465fc4SSimon Glass bool "80x60 text" 23222465fc4SSimon Glass 23322465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_109 23422465fc4SSimon Glass bool "132x25 text" 23522465fc4SSimon Glass 23622465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_10A 23722465fc4SSimon Glass bool "132x43 text" 23822465fc4SSimon Glass 23922465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_10B 24022465fc4SSimon Glass bool "132x50 text" 24122465fc4SSimon Glass 24222465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_10C 24322465fc4SSimon Glass bool "132x60 text" 24422465fc4SSimon Glass 24522465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_10D 24622465fc4SSimon Glass bool "320x200 32k-color (1:5:5:5)" 24722465fc4SSimon Glass 24822465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_10E 24922465fc4SSimon Glass bool "320x200 64k-color (5:6:5)" 25022465fc4SSimon Glass 25122465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_10F 25222465fc4SSimon Glass bool "320x200 16.8M-color (8:8:8)" 25322465fc4SSimon Glass 25422465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_110 25522465fc4SSimon Glass bool "640x480 32k-color (1:5:5:5)" 25622465fc4SSimon Glass 25722465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_111 25822465fc4SSimon Glass bool "640x480 64k-color (5:6:5)" 25922465fc4SSimon Glass 26022465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_112 26122465fc4SSimon Glass bool "640x480 16.8M-color (8:8:8)" 26222465fc4SSimon Glass 26322465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_113 26422465fc4SSimon Glass bool "800x600 32k-color (1:5:5:5)" 26522465fc4SSimon Glass 26622465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_114 26722465fc4SSimon Glass bool "800x600 64k-color (5:6:5)" 26822465fc4SSimon Glass 26922465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_115 27022465fc4SSimon Glass bool "800x600 16.8M-color (8:8:8)" 27122465fc4SSimon Glass 27222465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_116 27322465fc4SSimon Glass bool "1024x768 32k-color (1:5:5:5)" 27422465fc4SSimon Glass 27522465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_117 27622465fc4SSimon Glass bool "1024x768 64k-color (5:6:5)" 27722465fc4SSimon Glass 27822465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_118 27922465fc4SSimon Glass bool "1024x768 16.8M-color (8:8:8)" 28022465fc4SSimon Glass 28122465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_119 28222465fc4SSimon Glass bool "1280x1024 32k-color (1:5:5:5)" 28322465fc4SSimon Glass 28422465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_11A 28522465fc4SSimon Glass bool "1280x1024 64k-color (5:6:5)" 28622465fc4SSimon Glass 28722465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_11B 28822465fc4SSimon Glass bool "1280x1024 16.8M-color (8:8:8)" 28922465fc4SSimon Glass 29022465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE_USER 29122465fc4SSimon Glass bool "Manually select VESA mode" 29222465fc4SSimon Glass 29322465fc4SSimon Glassendchoice 29422465fc4SSimon Glass 29522465fc4SSimon Glass# Map the config names to an integer (KB). 29622465fc4SSimon Glassconfig FRAMEBUFFER_VESA_MODE 29722465fc4SSimon Glass prompt "VESA mode" if FRAMEBUFFER_VESA_MODE_USER 29822465fc4SSimon Glass hex 29922465fc4SSimon Glass default 0x100 if FRAMEBUFFER_VESA_MODE_100 30022465fc4SSimon Glass default 0x101 if FRAMEBUFFER_VESA_MODE_101 30122465fc4SSimon Glass default 0x102 if FRAMEBUFFER_VESA_MODE_102 30222465fc4SSimon Glass default 0x103 if FRAMEBUFFER_VESA_MODE_103 30322465fc4SSimon Glass default 0x104 if FRAMEBUFFER_VESA_MODE_104 30422465fc4SSimon Glass default 0x105 if FRAMEBUFFER_VESA_MODE_105 30522465fc4SSimon Glass default 0x106 if FRAMEBUFFER_VESA_MODE_106 30622465fc4SSimon Glass default 0x107 if FRAMEBUFFER_VESA_MODE_107 30722465fc4SSimon Glass default 0x108 if FRAMEBUFFER_VESA_MODE_108 30822465fc4SSimon Glass default 0x109 if FRAMEBUFFER_VESA_MODE_109 30922465fc4SSimon Glass default 0x10A if FRAMEBUFFER_VESA_MODE_10A 31022465fc4SSimon Glass default 0x10B if FRAMEBUFFER_VESA_MODE_10B 31122465fc4SSimon Glass default 0x10C if FRAMEBUFFER_VESA_MODE_10C 31222465fc4SSimon Glass default 0x10D if FRAMEBUFFER_VESA_MODE_10D 31322465fc4SSimon Glass default 0x10E if FRAMEBUFFER_VESA_MODE_10E 31422465fc4SSimon Glass default 0x10F if FRAMEBUFFER_VESA_MODE_10F 31522465fc4SSimon Glass default 0x110 if FRAMEBUFFER_VESA_MODE_110 31622465fc4SSimon Glass default 0x111 if FRAMEBUFFER_VESA_MODE_111 31722465fc4SSimon Glass default 0x112 if FRAMEBUFFER_VESA_MODE_112 31822465fc4SSimon Glass default 0x113 if FRAMEBUFFER_VESA_MODE_113 31922465fc4SSimon Glass default 0x114 if FRAMEBUFFER_VESA_MODE_114 32022465fc4SSimon Glass default 0x115 if FRAMEBUFFER_VESA_MODE_115 32122465fc4SSimon Glass default 0x116 if FRAMEBUFFER_VESA_MODE_116 32222465fc4SSimon Glass default 0x117 if FRAMEBUFFER_VESA_MODE_117 32322465fc4SSimon Glass default 0x118 if FRAMEBUFFER_VESA_MODE_118 32422465fc4SSimon Glass default 0x119 if FRAMEBUFFER_VESA_MODE_119 32522465fc4SSimon Glass default 0x11A if FRAMEBUFFER_VESA_MODE_11A 32622465fc4SSimon Glass default 0x11B if FRAMEBUFFER_VESA_MODE_11B 32722465fc4SSimon Glass default 0x117 if FRAMEBUFFER_VESA_MODE_USER 32822465fc4SSimon Glass 32922465fc4SSimon Glassendmenu 33022465fc4SSimon Glass 3318ce24cd9SSimon Glassconfig HAVE_FSP 3328ce24cd9SSimon Glass bool "Add an Firmware Support Package binary" 3338ce24cd9SSimon Glass help 3348ce24cd9SSimon Glass Select this option to add an Firmware Support Package binary to 3358ce24cd9SSimon Glass the resulting U-Boot image. It is a binary blob which U-Boot uses 3368ce24cd9SSimon Glass to set up SDRAM and other chipset specific initialization. 3378ce24cd9SSimon Glass 3388ce24cd9SSimon Glass Note: Without this binary U-Boot will not be able to set up its 3398ce24cd9SSimon Glass SDRAM so will not boot. 3408ce24cd9SSimon Glass 3418ce24cd9SSimon Glassconfig FSP_FILE 3428ce24cd9SSimon Glass string "Firmware Support Package binary filename" 3438ce24cd9SSimon Glass depends on HAVE_FSP 3448ce24cd9SSimon Glass default "fsp.bin" 3458ce24cd9SSimon Glass help 3468ce24cd9SSimon Glass The filename of the file to use as Firmware Support Package binary 3478ce24cd9SSimon Glass in the board directory. 3488ce24cd9SSimon Glass 3498ce24cd9SSimon Glassconfig FSP_ADDR 3508ce24cd9SSimon Glass hex "Firmware Support Package binary location" 3518ce24cd9SSimon Glass depends on HAVE_FSP 3528ce24cd9SSimon Glass default 0xfffc0000 3538ce24cd9SSimon Glass help 3548ce24cd9SSimon Glass FSP is not Position Independent Code (PIC) and the whole FSP has to 3558ce24cd9SSimon Glass be rebased if it is placed at a location which is different from the 3568ce24cd9SSimon Glass perferred base address specified during the FSP build. Use Intel's 3578ce24cd9SSimon Glass Binary Configuration Tool (BCT) to do the rebase. 3588ce24cd9SSimon Glass 3598ce24cd9SSimon Glass The default base address of 0xfffc0000 indicates that the binary must 3608ce24cd9SSimon Glass be located at offset 0xc0000 from the beginning of a 1MB flash device. 3618ce24cd9SSimon Glass 3628ce24cd9SSimon Glassconfig FSP_TEMP_RAM_ADDR 3638ce24cd9SSimon Glass hex 3648ce24cd9SSimon Glass default 0x2000000 3658ce24cd9SSimon Glass help 3668ce24cd9SSimon Glass Stack top address which is used in FspInit after DRAM is ready and 3678ce24cd9SSimon Glass CAR is disabled. 3688ce24cd9SSimon Glass 36945b5a378SSimon Glassconfig MAX_CPUS 37045b5a378SSimon Glass int "Maximum number of CPUs permitted" 37145b5a378SSimon Glass default 4 37245b5a378SSimon Glass help 37345b5a378SSimon Glass When using multi-CPU chips it is possible for U-Boot to start up 37445b5a378SSimon Glass more than one CPU. The stack memory used by all of these CPUs is 37545b5a378SSimon Glass pre-allocated so at present U-Boot wants to know the maximum 37645b5a378SSimon Glass number of CPUs that may be present. Set this to at least as high 37745b5a378SSimon Glass as the number of CPUs in your system (it uses about 4KB of RAM for 37845b5a378SSimon Glass each CPU). 37945b5a378SSimon Glass 38045b5a378SSimon Glassconfig SMP 38145b5a378SSimon Glass bool "Enable Symmetric Multiprocessing" 38245b5a378SSimon Glass default n 38345b5a378SSimon Glass help 38445b5a378SSimon Glass Enable use of more than one CPU in U-Boot and the Operating System 38545b5a378SSimon Glass when loaded. Each CPU will be started up and information can be 38645b5a378SSimon Glass obtained using the 'cpu' command. If this option is disabled, then 38745b5a378SSimon Glass only one CPU will be enabled regardless of the number of CPUs 38845b5a378SSimon Glass available. 38945b5a378SSimon Glass 39045b5a378SSimon Glassconfig AP_STACK_SIZE 39145b5a378SSimon Glass hex 39245b5a378SSimon Glass default 0x1000 39345b5a378SSimon Glass help 39445b5a378SSimon Glass Each additional CPU started by U-Boot requires its own stack. This 39545b5a378SSimon Glass option sets the stack size used by each CPU and directly affects 39645b5a378SSimon Glass the memory used by this initialisation process. Typically 4KB is 39745b5a378SSimon Glass enough space. 39845b5a378SSimon Glass 399f56aeaa4SBin Mengconfig TSC_CALIBRATION_BYPASS 400f56aeaa4SBin Meng bool "Bypass Time-Stamp Counter (TSC) calibration" 401f56aeaa4SBin Meng default n 402f56aeaa4SBin Meng help 403f56aeaa4SBin Meng By default U-Boot automatically calibrates Time-Stamp Counter (TSC) 404f56aeaa4SBin Meng running frequency via Model-Specific Register (MSR) and Programmable 405f56aeaa4SBin Meng Interval Timer (PIT). If the calibration does not work on your board, 406f56aeaa4SBin Meng select this option and provide a hardcoded TSC running frequency with 407f56aeaa4SBin Meng CONFIG_TSC_FREQ_IN_MHZ below. 408f56aeaa4SBin Meng 409f56aeaa4SBin Meng Normally this option should be turned on in a simulation environment 410f56aeaa4SBin Meng like qemu. 411f56aeaa4SBin Meng 412f56aeaa4SBin Mengconfig TSC_FREQ_IN_MHZ 413f56aeaa4SBin Meng int "Time-Stamp Counter (TSC) running frequency in MHz" 414f56aeaa4SBin Meng depends on TSC_CALIBRATION_BYPASS 415f56aeaa4SBin Meng default 1000 416f56aeaa4SBin Meng help 417f56aeaa4SBin Meng The running frequency in MHz of Time-Stamp Counter (TSC). 418f56aeaa4SBin Meng 419b5b6b019SBin Mengmenu "System tables" 420b5b6b019SBin Meng 421b5b6b019SBin Mengconfig GENERATE_PIRQ_TABLE 422b5b6b019SBin Meng bool "Generate a PIRQ table" 423b5b6b019SBin Meng default n 424b5b6b019SBin Meng help 425b5b6b019SBin Meng Generate a PIRQ routing table for this board. The PIRQ routing table 426b5b6b019SBin Meng is generated by U-Boot in the system memory from 0xf0000 to 0xfffff 427b5b6b019SBin Meng at every 16-byte boundary with a PCI IRQ routing signature ("$PIR"). 428b5b6b019SBin Meng It specifies the interrupt router information as well how all the PCI 429b5b6b019SBin Meng devices' interrupt pins are wired to PIRQs. 430b5b6b019SBin Meng 4316388e357SSimon Glassconfig GENERATE_SFI_TABLE 4326388e357SSimon Glass bool "Generate a SFI (Simple Firmware Interface) table" 4336388e357SSimon Glass help 4346388e357SSimon Glass The Simple Firmware Interface (SFI) provides a lightweight method 4356388e357SSimon Glass for platform firmware to pass information to the operating system 4366388e357SSimon Glass via static tables in memory. Kernel SFI support is required to 4376388e357SSimon Glass boot on SFI-only platforms. If you have ACPI tables then these are 4386388e357SSimon Glass used instead. 4396388e357SSimon Glass 4406388e357SSimon Glass U-Boot writes this table in write_sfi_table() just before booting 4416388e357SSimon Glass the OS. 4426388e357SSimon Glass 4436388e357SSimon Glass For more information, see http://simplefirmware.org 4446388e357SSimon Glass 445b5b6b019SBin Mengendmenu 446b5b6b019SBin Meng 447b5b6b019SBin Mengconfig MAX_PIRQ_LINKS 448b5b6b019SBin Meng int 449b5b6b019SBin Meng default 8 450b5b6b019SBin Meng help 451b5b6b019SBin Meng This variable specifies the number of PIRQ interrupt links which are 452b5b6b019SBin Meng routable. On most older chipsets, this is 4, PIRQA through PIRQD. 453b5b6b019SBin Meng Some newer chipsets offer more than four links, commonly up to PIRQH. 454b5b6b019SBin Meng 455b5b6b019SBin Mengconfig IRQ_SLOT_COUNT 456b5b6b019SBin Meng int 457b5b6b019SBin Meng default 128 458b5b6b019SBin Meng help 459b5b6b019SBin Meng U-Boot can support up to 254 IRQ slot info in the PIRQ routing table 460b5b6b019SBin Meng which in turns forms a table of exact 4KiB. The default value 128 461b5b6b019SBin Meng should be enough for most boards. If this does not fit your board, 462b5b6b019SBin Meng change it according to your needs. 463b5b6b019SBin Meng 4642d934e57SSimon Glassconfig PCIE_ECAM_BASE 4652d934e57SSimon Glass hex 4662d934e57SSimon Glass default 0xe0000000 4672d934e57SSimon Glass help 4682d934e57SSimon Glass This is the memory-mapped address of PCI configuration space, which 4692d934e57SSimon Glass is only available through the Enhanced Configuration Access 4702d934e57SSimon Glass Mechanism (ECAM) with PCI Express. It can be set up almost 4712d934e57SSimon Glass anywhere. Before it is set up, it is possible to access PCI 4722d934e57SSimon Glass configuration space through I/O access, but memory access is more 4732d934e57SSimon Glass convenient. Using this, PCI can be scanned and configured. This 4742d934e57SSimon Glass should be set to a region that does not conflict with memory 4752d934e57SSimon Glass assigned to PCI devices - i.e. the memory and prefetch regions, as 4762d934e57SSimon Glass passed to pci_set_region(). 4772d934e57SSimon Glass 478ee2b2434SSimon Glassconfig BOOTSTAGE 479ee2b2434SSimon Glass default y 480ee2b2434SSimon Glass 481ee2b2434SSimon Glassconfig BOOTSTAGE_REPORT 482ee2b2434SSimon Glass default y 483ee2b2434SSimon Glass 484ee2b2434SSimon Glassconfig CMD_BOOTSTAGE 485ee2b2434SSimon Glass default y 486ee2b2434SSimon Glass 487dd84058dSMasahiro Yamadaendmenu 488