Hi Bin, On Wed, 29 Jan 2020 at 19:17, Simon Glass <[email protected]> wrote: > > Hi > > On Sun, 26 Jan 2020 at 22:07, Simon Glass <[email protected]> wrote: > > > > At present on x86 U-Boot supports creating ACPI (Advanced Configuration > > and Power Interface) tables using the Intel ACPI Source Language (ASL) > > compiler. > > > > This is good enough for basic operation but some devices need to add > > their information dynamically at runtime. An example is a device that > > needs to report its enable GPIO. This is described in the device tree, > > so we want to add code in the driver to convert that device-tree > > description into an ACPI description for use on Linux. > > > > This series adds support for generation of ACPI tables and fragments by > > devices. The core support is built into driver model. > > > > Several files are brought over from coreboot to do the actual generation. > > > > As an example of using this new feature, chromebook_coral is updated to > > write out a wide array of ACPI tables including DSDT and SSDT. > > > > This initial version of the series lays out the general approach. More > > work is needed to figure out the difference between CONFIG_ACPIGEN and > > CONFIG_GENERATE_ACPI_TABLE with respect to what is built. > > > > > > Simon Glass (108): > > cpu: Support querying the address width > > This is available at u-boot-dm/coral-working
I have a few updates to this based on comments so far, but I don't really want to send the whole series again until you've taken a look at more of it. What do you think? Regards, Simon
