[PATCH v6 089/102] x86: apl: Add hostbridge driver

[Bin Meng]

On Sat, Dec 7, 2019 at 12:54 PM Simon Glass <sjg at chromium.org> wrote:
>
> 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 at chromium.org>
> ---
>
> Changes in v6:
> - Fix comments for struct apl_hostbridge_platdata
>
> Changes in v5: None
> Changes in v4:
> - Avoid needing to know internals of pinctrl in this driver
> - Move code to pinctrl driver
> - Switch over to use pinctrl for pad init/config
>
> Changes in v3:
> - Move pad programming into the hostbridge to reduce TPL device-tree size
> - Use pci_get_devfn()
>
> Changes in v2: None
>
>  arch/x86/cpu/apollolake/Makefile     |   1 +
>  arch/x86/cpu/apollolake/hostbridge.c | 179 +++++++++++++++++++++++++++
>  2 files changed, 180 insertions(+)
>  create mode 100644 arch/x86/cpu/apollolake/hostbridge.c
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>