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Coreboot provides the CMOS layout in the tables it passes to U-Boot.
Use that to build an editor for the CMOS settings.
Signed-off-by: Simon Glass <[email protected]>
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This is in the Dockerfile now, so update this section of the docs.
Signed-off-by: Simon Glass <[email protected]>
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With latest coreboot (e.g.: v4.22.01), the instructions to enable
graphics support has changed. Refresh the doc.
Signed-off-by: Bin Meng <[email protected]>
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Add a little more detail as to why coreboot64 is preferred for booting
Linux distros.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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This is very annoying as it is quite slow on many machines. Also, U-Boot
has an existing 'preboot' mechanism to enable this feature if desired.
Drop this code so that it is possible to choose whether to init USB or
not.
Use the existing USE_PREBOOT mechanism instead.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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Enable bootstd options and provide instructions on how to boot a linux
distro using coreboot.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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Add these options to permit access to more disk types.
Add some documentation as well.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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Use a recent coreboot build for this test.
The coreboot commit is:
6f5ead14b4 mb/google/nissa/var/joxer: Update eMMC DLL settings
This is build with default settings, i.e. QEMU x86 i440fx/piix4
Add some documentation as to how to update it next time.
Signed-off-by: Simon Glass <[email protected]>
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Add an example to show how cbfs is used.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
[Removed CONFIG_CMD_CBFS from defconfig files]
Signed-off-by: Bin Meng <[email protected]>
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This is not obvious so add a little note about how it works.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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The current name is inconsistent with SPL which uses CONFIG_SPL_TEXT_BASE
and this makes it imposible to use CONFIG_VAL().
Rename it to resolve this problem.
Signed-off-by: Simon Glass <[email protected]>
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Add information about memory usage when U-Boot is started from coreboot.
This is useful when debugging. Also, since coreboot takes a chunk of
memory in the middle of SDRAM for use by PCI devices, it can help avoid
overwriting this with a loaded kernel by accident.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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Coreboot is a first-stage bootloader mostly used on x86 devices as an
alternative to UEFI. Coreboot runs in 32-bit mode.
U-Boot currently supports booting from coreboot as a second-stage
bootloader, also in 32-bit mode. However it is useful to be able to run
U-Boot in 64-bit mode. To do this we can have a 32-bit SPL which switches
over the CPU and jumps to a 64-bit U-Boot proper.
Add a new 'coreboot64' board for running 64-bit U-Boot from coreboot. This
uses binman to create an image with a 32-bit SPL and a 64-bit U-Boot.
This allows running 64-bit EFI images on x86, for example, without needing
a native U-Boot port for a board.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Tested-by: Bin Meng <[email protected]>
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This extracts coreboot board specific information from README.x86,
converts plain text documentation to reST format and adds it to
Sphinx TOC tree. No essential content change.
Signed-off-by: Bin Meng <[email protected]>
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