1menu "x86 architecture" 2 depends on X86 3 4config SYS_ARCH 5 default "x86" 6 7config USE_PRIVATE_LIBGCC 8 default y 9 10choice 11 prompt "Target select" 12 13config TARGET_COREBOOT 14 bool "Support coreboot" 15 help 16 This target is used for running U-Boot on top of Coreboot. In 17 this case Coreboot does the early inititalisation, and U-Boot 18 takes over once the RAM, video and CPU are fully running. 19 U-Boot is loaded as a fallback payload from Coreboot, in 20 Coreboot terminology. This method was used for the Chromebook 21 Pixel when launched. 22 23config TARGET_CHROMEBOOK_LINK 24 bool "Support Chromebook link" 25 help 26 This is the Chromebook Pixel released in 2013. It uses an Intel 27 i5 Ivybridge which is a die-shrink of Sandybridge, with 4GB of 28 SDRAM. It has a Panther Point platform controller hub, PCIe 29 WiFi and Bluetooth. It also includes a 720p webcam, USB SD 30 reader, microphone and speakers, display port and 32GB SATA 31 solid state drive. There is a Chrome OS EC connected on LPC, 32 and it provides a 2560x1700 high resolution touch-enabled LCD 33 display. 34 35config TARGET_CROWNBAY 36 bool "Support Intel Crown Bay CRB" 37 help 38 This is the Intel Crown Bay Customer Reference Board. It contains 39 the Intel Atom Processor E6xx populated on the COM Express module 40 with 1GB DDR2 soldered down memory and a carrier board with the 41 Intel Platform Controller Hub EG20T, other system components and 42 peripheral connectors for PCIe/SATA/USB/LAN/SD/UART/Audio/LVDS. 43 44endchoice 45 46config RAMBASE 47 hex 48 default 0x100000 49 50config XIP_ROM_SIZE 51 hex 52 default ROM_SIZE 53 54config CPU_ADDR_BITS 55 int 56 default 36 57 58config HPET_ADDRESS 59 hex 60 default 0xfed00000 if !HPET_ADDRESS_OVERRIDE 61 62config SMM_TSEG 63 bool 64 default n 65 66config SMM_TSEG_SIZE 67 hex 68 69config X86_RESET_VECTOR 70 bool 71 default n 72 73config SYS_X86_START16 74 hex 75 depends on X86_RESET_VECTOR 76 default 0xfffff800 77 78config BOARD_ROMSIZE_KB_512 79 bool 80config BOARD_ROMSIZE_KB_1024 81 bool 82config BOARD_ROMSIZE_KB_2048 83 bool 84config BOARD_ROMSIZE_KB_4096 85 bool 86config BOARD_ROMSIZE_KB_8192 87 bool 88config BOARD_ROMSIZE_KB_16384 89 bool 90 91choice 92 prompt "ROM chip size" 93 default UBOOT_ROMSIZE_KB_512 if BOARD_ROMSIZE_KB_512 94 default UBOOT_ROMSIZE_KB_1024 if BOARD_ROMSIZE_KB_1024 95 default UBOOT_ROMSIZE_KB_2048 if BOARD_ROMSIZE_KB_2048 96 default UBOOT_ROMSIZE_KB_4096 if BOARD_ROMSIZE_KB_4096 97 default UBOOT_ROMSIZE_KB_8192 if BOARD_ROMSIZE_KB_8192 98 default UBOOT_ROMSIZE_KB_16384 if BOARD_ROMSIZE_KB_16384 99 help 100 Select the size of the ROM chip you intend to flash U-Boot on. 101 102 The build system will take care of creating a u-boot.rom file 103 of the matching size. 104 105config UBOOT_ROMSIZE_KB_512 106 bool "512 KB" 107 help 108 Choose this option if you have a 512 KB ROM chip. 109 110config UBOOT_ROMSIZE_KB_1024 111 bool "1024 KB (1 MB)" 112 help 113 Choose this option if you have a 1024 KB (1 MB) ROM chip. 114 115config UBOOT_ROMSIZE_KB_2048 116 bool "2048 KB (2 MB)" 117 help 118 Choose this option if you have a 2048 KB (2 MB) ROM chip. 119 120config UBOOT_ROMSIZE_KB_4096 121 bool "4096 KB (4 MB)" 122 help 123 Choose this option if you have a 4096 KB (4 MB) ROM chip. 124 125config UBOOT_ROMSIZE_KB_8192 126 bool "8192 KB (8 MB)" 127 help 128 Choose this option if you have a 8192 KB (8 MB) ROM chip. 129 130config UBOOT_ROMSIZE_KB_16384 131 bool "16384 KB (16 MB)" 132 help 133 Choose this option if you have a 16384 KB (16 MB) ROM chip. 134 135endchoice 136 137# Map the config names to an integer (KB). 138config UBOOT_ROMSIZE_KB 139 int 140 default 512 if UBOOT_ROMSIZE_KB_512 141 default 1024 if UBOOT_ROMSIZE_KB_1024 142 default 2048 if UBOOT_ROMSIZE_KB_2048 143 default 4096 if UBOOT_ROMSIZE_KB_4096 144 default 8192 if UBOOT_ROMSIZE_KB_8192 145 default 16384 if UBOOT_ROMSIZE_KB_16384 146 147# Map the config names to a hex value (bytes). 148config ROM_SIZE 149 hex 150 default 0x80000 if UBOOT_ROMSIZE_KB_512 151 default 0x100000 if UBOOT_ROMSIZE_KB_1024 152 default 0x200000 if UBOOT_ROMSIZE_KB_2048 153 default 0x400000 if UBOOT_ROMSIZE_KB_4096 154 default 0x800000 if UBOOT_ROMSIZE_KB_8192 155 default 0xc00000 if UBOOT_ROMSIZE_KB_12288 156 default 0x1000000 if UBOOT_ROMSIZE_KB_16384 157 158config HAVE_INTEL_ME 159 bool "Platform requires Intel Management Engine" 160 help 161 Newer higher-end devices have an Intel Management Engine (ME) 162 which is a very large binary blob (typically 1.5MB) which is 163 required for the platform to work. This enforces a particular 164 SPI flash format. You will need to supply the me.bin file in 165 your board directory. 166 167config X86_RAMTEST 168 bool "Perform a simple RAM test after SDRAM initialisation" 169 help 170 If there is something wrong with SDRAM then the platform will 171 often crash within U-Boot or the kernel. This option enables a 172 very simple RAM test that quickly checks whether the SDRAM seems 173 to work correctly. It is not exhaustive but can save time by 174 detecting obvious failures. 175 176config MARK_GRAPHICS_MEM_WRCOMB 177 bool "Mark graphics memory as write-combining." 178 default n 179 help 180 The graphics performance may increase if the graphics 181 memory is set as write-combining cache type. This option 182 enables marking the graphics memory as write-combining. 183 184menu "Display" 185 186config FRAMEBUFFER_SET_VESA_MODE 187 prompt "Set framebuffer graphics resolution" 188 bool 189 help 190 Set VESA/native framebuffer mode (needed for bootsplash and graphical framebuffer console) 191 192choice 193 prompt "framebuffer graphics resolution" 194 default FRAMEBUFFER_VESA_MODE_117 195 depends on FRAMEBUFFER_SET_VESA_MODE 196 help 197 This option sets the resolution used for the coreboot framebuffer (and 198 bootsplash screen). 199 200config FRAMEBUFFER_VESA_MODE_100 201 bool "640x400 256-color" 202 203config FRAMEBUFFER_VESA_MODE_101 204 bool "640x480 256-color" 205 206config FRAMEBUFFER_VESA_MODE_102 207 bool "800x600 16-color" 208 209config FRAMEBUFFER_VESA_MODE_103 210 bool "800x600 256-color" 211 212config FRAMEBUFFER_VESA_MODE_104 213 bool "1024x768 16-color" 214 215config FRAMEBUFFER_VESA_MODE_105 216 bool "1024x7686 256-color" 217 218config FRAMEBUFFER_VESA_MODE_106 219 bool "1280x1024 16-color" 220 221config FRAMEBUFFER_VESA_MODE_107 222 bool "1280x1024 256-color" 223 224config FRAMEBUFFER_VESA_MODE_108 225 bool "80x60 text" 226 227config FRAMEBUFFER_VESA_MODE_109 228 bool "132x25 text" 229 230config FRAMEBUFFER_VESA_MODE_10A 231 bool "132x43 text" 232 233config FRAMEBUFFER_VESA_MODE_10B 234 bool "132x50 text" 235 236config FRAMEBUFFER_VESA_MODE_10C 237 bool "132x60 text" 238 239config FRAMEBUFFER_VESA_MODE_10D 240 bool "320x200 32k-color (1:5:5:5)" 241 242config FRAMEBUFFER_VESA_MODE_10E 243 bool "320x200 64k-color (5:6:5)" 244 245config FRAMEBUFFER_VESA_MODE_10F 246 bool "320x200 16.8M-color (8:8:8)" 247 248config FRAMEBUFFER_VESA_MODE_110 249 bool "640x480 32k-color (1:5:5:5)" 250 251config FRAMEBUFFER_VESA_MODE_111 252 bool "640x480 64k-color (5:6:5)" 253 254config FRAMEBUFFER_VESA_MODE_112 255 bool "640x480 16.8M-color (8:8:8)" 256 257config FRAMEBUFFER_VESA_MODE_113 258 bool "800x600 32k-color (1:5:5:5)" 259 260config FRAMEBUFFER_VESA_MODE_114 261 bool "800x600 64k-color (5:6:5)" 262 263config FRAMEBUFFER_VESA_MODE_115 264 bool "800x600 16.8M-color (8:8:8)" 265 266config FRAMEBUFFER_VESA_MODE_116 267 bool "1024x768 32k-color (1:5:5:5)" 268 269config FRAMEBUFFER_VESA_MODE_117 270 bool "1024x768 64k-color (5:6:5)" 271 272config FRAMEBUFFER_VESA_MODE_118 273 bool "1024x768 16.8M-color (8:8:8)" 274 275config FRAMEBUFFER_VESA_MODE_119 276 bool "1280x1024 32k-color (1:5:5:5)" 277 278config FRAMEBUFFER_VESA_MODE_11A 279 bool "1280x1024 64k-color (5:6:5)" 280 281config FRAMEBUFFER_VESA_MODE_11B 282 bool "1280x1024 16.8M-color (8:8:8)" 283 284config FRAMEBUFFER_VESA_MODE_USER 285 bool "Manually select VESA mode" 286 287endchoice 288 289# Map the config names to an integer (KB). 290config FRAMEBUFFER_VESA_MODE 291 prompt "VESA mode" if FRAMEBUFFER_VESA_MODE_USER 292 hex 293 default 0x100 if FRAMEBUFFER_VESA_MODE_100 294 default 0x101 if FRAMEBUFFER_VESA_MODE_101 295 default 0x102 if FRAMEBUFFER_VESA_MODE_102 296 default 0x103 if FRAMEBUFFER_VESA_MODE_103 297 default 0x104 if FRAMEBUFFER_VESA_MODE_104 298 default 0x105 if FRAMEBUFFER_VESA_MODE_105 299 default 0x106 if FRAMEBUFFER_VESA_MODE_106 300 default 0x107 if FRAMEBUFFER_VESA_MODE_107 301 default 0x108 if FRAMEBUFFER_VESA_MODE_108 302 default 0x109 if FRAMEBUFFER_VESA_MODE_109 303 default 0x10A if FRAMEBUFFER_VESA_MODE_10A 304 default 0x10B if FRAMEBUFFER_VESA_MODE_10B 305 default 0x10C if FRAMEBUFFER_VESA_MODE_10C 306 default 0x10D if FRAMEBUFFER_VESA_MODE_10D 307 default 0x10E if FRAMEBUFFER_VESA_MODE_10E 308 default 0x10F if FRAMEBUFFER_VESA_MODE_10F 309 default 0x110 if FRAMEBUFFER_VESA_MODE_110 310 default 0x111 if FRAMEBUFFER_VESA_MODE_111 311 default 0x112 if FRAMEBUFFER_VESA_MODE_112 312 default 0x113 if FRAMEBUFFER_VESA_MODE_113 313 default 0x114 if FRAMEBUFFER_VESA_MODE_114 314 default 0x115 if FRAMEBUFFER_VESA_MODE_115 315 default 0x116 if FRAMEBUFFER_VESA_MODE_116 316 default 0x117 if FRAMEBUFFER_VESA_MODE_117 317 default 0x118 if FRAMEBUFFER_VESA_MODE_118 318 default 0x119 if FRAMEBUFFER_VESA_MODE_119 319 default 0x11A if FRAMEBUFFER_VESA_MODE_11A 320 default 0x11B if FRAMEBUFFER_VESA_MODE_11B 321 default 0x117 if FRAMEBUFFER_VESA_MODE_USER 322 323endmenu 324 325config TSC_CALIBRATION_BYPASS 326 bool "Bypass Time-Stamp Counter (TSC) calibration" 327 default n 328 help 329 By default U-Boot automatically calibrates Time-Stamp Counter (TSC) 330 running frequency via Model-Specific Register (MSR) and Programmable 331 Interval Timer (PIT). If the calibration does not work on your board, 332 select this option and provide a hardcoded TSC running frequency with 333 CONFIG_TSC_FREQ_IN_MHZ below. 334 335 Normally this option should be turned on in a simulation environment 336 like qemu. 337 338config TSC_FREQ_IN_MHZ 339 int "Time-Stamp Counter (TSC) running frequency in MHz" 340 depends on TSC_CALIBRATION_BYPASS 341 default 1000 342 help 343 The running frequency in MHz of Time-Stamp Counter (TSC). 344 345source "arch/x86/cpu/ivybridge/Kconfig" 346 347source "arch/x86/cpu/queensbay/Kconfig" 348 349source "board/coreboot/coreboot/Kconfig" 350 351source "board/google/chromebook_link/Kconfig" 352 353source "board/intel/crownbay/Kconfig" 354 355endmenu 356