[PATCH v7 1/4] x86: qemu: move QFW to its own uclass

[Bin Meng]

On Fri, Mar 19, 2021 at 11:14 AM Asherah Connor <ashe at kivikakk.ee> wrote:
>
> We move qfw into its own uclass and split the PIO functions into a
> specific driver for that uclass.  The PIO driver is selected in the
> qemu-x86 board config (this covers x86 and x86_64).
>
> include/qfw.h is cleaned up and documentation added.
>
> Signed-off-by: Asherah Connor <ashe at kivikakk.ee>
> Reviewed-by: Simon Glass <sjg at chromium.org>
>
> ---
>
> (no changes since v6)
>
> Changes in v6:
> * Sandbox driver and tests are split into own commit.
>
> Changes in v5:
> * Split conversion of existing x86-only QFW to DM into its own patch.
> * Fix qfw_get_dev() so it actually returns -ENODEV when device is
> missing.
> * Add CONFIG_QFW_PIO.
> * Choose CONFIG_QFW_PIO in board/emulation/qemu-x86/Kconfig.
> * QFW sandbox driver no longer inserts itself from device tree; wasn't
> relevant to implementation and the ``compatible'' string was too
> made-up.  Use U_BOOT_DRVINFO like the other QFW driver in this patch.
> * Relevant documentation and sandbox/qemu tests are now here.
>
>  arch/x86/cpu/qemu/cpu.c          |   9 +-
>  arch/x86/cpu/qemu/qemu.c         |  49 +------
>  arch/x86/cpu/qfw_cpu.c           |  11 +-
>  board/emulation/qemu-x86/Kconfig |   1 +
>  cmd/qfw.c                        |  56 ++++---
>  common/Makefile                  |   2 +
>  common/qfw.c                     | 105 +++++++++++++
>  drivers/misc/Kconfig             |  11 +-
>  drivers/misc/Makefile            |   5 +-
>  drivers/misc/qfw.c               | 243 +++++++++++--------------------
>  drivers/misc/qfw_pio.c           |  69 +++++++++
>  include/dm/uclass-id.h           |   1 +
>  include/qfw.h                    | 200 +++++++++++++++++++++----
>  13 files changed, 490 insertions(+), 272 deletions(-)
>  create mode 100644 common/qfw.c
>  create mode 100644 drivers/misc/qfw_pio.c
>

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