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3 Commits

Author SHA1 Message Date
Simon Glass
ff715c6f4f acpi: Support generation of interrupt descriptor 
Add a function to write an interrupt descriptor to the generated ACPI
code.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
 2020-07-17 14:32:24 +08:00
Simon Glass
2715b3623c acpi: Add a way to check device status 
At present U-Boot does not support the different ACPI status values, but
it is best to put this logic in a central place. Add a function to get the
device status.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
 2020-07-17 14:32:24 +08:00
Simon Glass
1361a53c1a acpi: Add a function to get a device path and scope 
Add a function to build up the ACPI path for a device and another for its
scope.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
 2020-07-17 14:32:24 +08:00