Commit graph

7 commits

Author SHA1 Message Date
Simon Glass
40fb08e917 x86: apl: Add PCH driver
Add a driver for the Apollo Lake Platform Controller Hub. It does not have
any functionality and is just a placeholder for now.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-12-15 11:44:28 +08:00
Simon Glass
8bd5dcd895 x86: apl: Add LPC driver
This driver the LPC and provides a few functions to set up LPC features.
These should probably use ioctls() or perhaps, better, have specific
uclass methods.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-12-15 11:44:28 +08:00
Simon Glass
3a02f699fa x86: apl: Add ITSS driver
This driver models some sort of interrupt thingy but there are so many
abreviations that I cannot find out what it stands for. Possibly something
to do with interrupts.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-12-15 11:44:27 +08:00
Simon Glass
e5fb75c9ba x86: apl: Add hostbridge driver
This driver models the hostbridge as a northbridge. It simply sets up the
graphics BAR. It supports of-platdata.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-12-15 11:44:27 +08:00
Simon Glass
bd47209743 x86: apl: Add systemagent driver
This driver handles communication with the systemagent which needs to be
told when U-Boot has completed its init.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-12-15 11:44:27 +08:00
Simon Glass
7656582378 x86: apl: Add UART driver
Add a driver for the Apollo Lake UART. It uses the standard ns16550 device
but also sets up the input clock with LPSS and supports configuration via
of-platdata.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-12-15 11:44:26 +08:00
Simon Glass
28eefefccf x86: apl: Add PMC driver
Add a driver for the Apollo Lake SoC. It supports the basic operations and
can use device tree or of-platdata.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-12-15 11:44:26 +08:00