starfive-tech/u-boot.git/drivers/core/acpi.c, branch master

dm: core: Use -ENOSPC in acpi_get_path()

2021-04-06T04:33:19+00:00

Update this function to use -ENOSPC which is more commly used when a buffer runs out of space. Signed-off-by: Simon Glass

dm: treewide: Rename ofdata_to_platdata() to of_to_plat()

2020-12-13T23:51:09+00:00

This name is far too long. Rename it to remove the 'data' bits. This makes it consistent with the platdata->plat rename. Signed-off-by: Simon Glass

acpi: Don't reset the tables with every new generation

2020-11-06T01:51:31+00:00

At present if SSDT and DSDT code is created, only the latter is retained for examination by the 'acpi items' command. Fix this by only resetting the list when explicitly requested. Signed-off-by: Simon Glass Reviewed-by: Bin Meng

dm: core: Don't show an ACPI warning if there is no ordering

2020-07-20T01:46:42+00:00

Some boards don't care about the ordering of ACPI code fragments. Change the warning to a debug message. Signed-off-by: Simon Glass Reviewed-by: Bin Meng Tested-by: Bin Meng

dm: acpi: Add support for the NHLT table

2020-07-17T06:32:24+00:00

The Intel Non-High-Definition-Audio Link Table (NHLT) table describes the audio codecs and connections in a system. Various devices can contribute information to produce the table. Add core support for this, based on a structure which is built up through calls to the driver. Signed-off-by: Simon Glass Reviewed-by: Wolfgang Wallner

dm: core: Add a way of overriding the ACPI device path

2020-07-17T06:32:24+00:00

Some devices such as GPIO need to override the normal path that would be generated by driver model. Add a device-tree property for this. Signed-off-by: Simon Glass Reviewed-by: Bin Meng Reviewed-by: Wolfgang Wallner

acpi: Add an acpi command to list/dump generated ACPI items

2020-07-17T06:32:24+00:00

Add a command that shows the individual blocks of data generated by each device, effectively splitting the full table into its component parts. This can be helpful for debugging. Signed-off-by: Simon Glass Reviewed-by: Wolfgang Wallner Reviewed-by: Bin Meng

dm: acpi: Enhance acpi_get_name()

2020-07-17T06:32:24+00:00

For many device types it is possible to figure out the name just by looking at its uclass or parent. Add a function to handle this, since it allows us to cover the vast majority of cases automatically. However it is sometimes impossible to figure out an ACPI name for a device just by looking at its uclass. For example a touch device may have a vendor-specific name. Add a new "acpi,name" property to allow a custom name to be created. With this new feature we can drop the get_name() methods in the sandbox I2C and SPI drivers. They were only added for testing purposes. Update the tests to use the new values. Signed-off-by: Simon Glass Reviewed-by: Wolfgang Wallner Reviewed-by: Bin Meng

acpi: Add support for DSDT generation

2020-07-17T06:32:24+00:00

Some devices need to inject extra code into the Differentiated System Descriptor Table (DSDT). Add a method to handle this. Signed-off-by: Simon Glass Reviewed-by: Wolfgang Wallner Reviewed-by: Bin Meng [bmeng: correct one typo in inject_dsdt() comments] Signed-off-by: Bin Meng

acpi: Support ordering SSDT data by device

2020-07-17T06:32:24+00:00

Add a /chosen property to control the order in which the data appears in the SSDT. This allows matching up U-Boot's output from a dump of the known-good data obtained from within Linux. Signed-off-by: Simon Glass Reviewed-by: Wolfgang Wallner Reviewed-by: Bin Meng