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Diffstat (limited to 'doc/README.x86')
| -rw-r--r-- | doc/README.x86 | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/doc/README.x86 b/doc/README.x86 index 7f3914fee1..646eff1355 100644 --- a/doc/README.x86 +++ b/doc/README.x86 @@ -113,6 +113,10 @@ binary using any hex editor (eg: bvi). Go to the offset 0x1fcd8 of the FSP binary, change the following five bytes values from orginally E8 42 FF FF FF to B8 00 80 0B 00. +As for the video ROM, you need manually extract it from the Intel provided +BIOS for Crown Bay here [6], using the AMI MMTool [7]. Check PCI option ROM +ID 8086:4108, extract and save it as vga.bin in the board directory. + Now you can build U-Boot and obtain u-boot.rom $ make crownbay_defconfig @@ -254,7 +258,7 @@ If you want to check both consoles, use '-serial stdio'. CPU Microcode ------------- -Modern CPUs usually require a special bit stream called microcode [6] to be +Modern CPUs usually require a special bit stream called microcode [8] to be loaded on the processor after power up in order to function properly. U-Boot has already integrated these as hex dumps in the source tree. @@ -265,9 +269,9 @@ Additional application processors (AP) can be brought up by U-Boot. In order to have an SMP kernel to discover all of the available processors, U-Boot needs to prepare configuration tables which contain the multi-CPUs information before loading the OS kernel. Currently U-Boot supports generating two types of tables -for SMP, called Simple Firmware Interface (SFI) [7] and Multi-Processor (MP) [8] -tables. The writing of these two tables are controlled by two Kconfig options -GENERATE_SFI_TABLE and GENERATE_MP_TABLE. +for SMP, called Simple Firmware Interface (SFI) [9] and Multi-Processor (MP) +[10] tables. The writing of these two tables are controlled by two Kconfig +options GENERATE_SFI_TABLE and GENERATE_MP_TABLE. Driver Model ------------ @@ -372,6 +376,8 @@ References [3] http://www.coreboot.org/~stepan/pci8086,0166.rom [4] http://www.intel.com/content/www/us/en/embedded/design-tools/evaluation-platforms/atom-e660-eg20t-development-kit.html [5] http://www.intel.com/fsp -[6] http://en.wikipedia.org/wiki/Microcode -[7] http://simplefirmware.org -[8] http://www.intel.com/design/archives/processors/pro/docs/242016.htm +[6] http://www.intel.com/content/www/us/en/secure/intelligent-systems/privileged/e6xx-35-b1-cmc22211.html +[7] http://www.ami.com/products/bios-uefi-tools-and-utilities/bios-uefi-utilities/ +[8] http://en.wikipedia.org/wiki/Microcode +[9] http://simplefirmware.org +[10] http://www.intel.com/design/archives/processors/pro/docs/242016.htm |