diff options
| author | Simon Glass <sjg@chromium.org> | 2015-04-28 20:25:10 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-29 21:02:33 -0600 |
| commit | 6388e357254e091fe857493511652a95467b5324 (patch) | |
| tree | 909c92a6de57d96a07403c6e1e60d70c8c25ba56 /arch/x86/Kconfig | |
| parent | 11f4dc1583c387fbb46d473c942c4bcfe5af303e (diff) | |
| download | talos-obmc-uboot-6388e357254e091fe857493511652a95467b5324.tar.gz talos-obmc-uboot-6388e357254e091fe857493511652a95467b5324.zip | |
x86: Add support for the Simple Firmware Interface (SFI)
This provides a way of passing information to Linux without requiring the
full ACPI horror. Provide a rudimentary implementation sufficient to be
recognised and parsed by Linux.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f3a600e80e..467fe251d8 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -393,6 +393,20 @@ config GENERATE_PIRQ_TABLE It specifies the interrupt router information as well how all the PCI devices' interrupt pins are wired to PIRQs. +config GENERATE_SFI_TABLE + bool "Generate a SFI (Simple Firmware Interface) table" + help + The Simple Firmware Interface (SFI) provides a lightweight method + for platform firmware to pass information to the operating system + via static tables in memory. Kernel SFI support is required to + boot on SFI-only platforms. If you have ACPI tables then these are + used instead. + + U-Boot writes this table in write_sfi_table() just before booting + the OS. + + For more information, see http://simplefirmware.org + endmenu config MAX_PIRQ_LINKS |
