Please pull u-boot-x86

[Bin Meng]

Hi Tom,

This PR includes the following x86 changes for v2020.07 release:

- DM ACPI support (Part A)
- Improve support for chain-loading x86 U-Boot

The following changes since commit 6864fc8704661878294d1f0f981f47e864ef470f:

  Merge https://gitlab.denx.de/u-boot/custodians/u-boot-sh (2020-04-29
10:39:18 -0400)

are available in the git repository at:

  https://gitlab.denx.de/u-boot/custodians/u-boot-x86

for you to fetch changes up to 249154672d43db6c7978fd9b67d224e9dec09867:

  x86: Add documentation for the chain-load feature (2020-04-30 17:48:17 +0800)

----------------------------------------------------------------
Simon Glass (19):
      x86: cbfs: Drop unwanted declaration
      acpi: Add a binding for ACPI settings in the device tree
      acpi: Add a method to write tables for a device
      acpi: Convert part of acpi_table to use acpi_ctx
      x86: Allow devices to write ACPI tables
      acpi: Drop code for missing XSDT from acpi_write_rsdp()
      acpi: Move acpi_add_table() to generic code
      acpi: Put table-setup code in its own function
      acpi: Move the xsdt pointer to acpi_ctx
      acpi: Add an acpi command
      x86: fsp: Allow skipping init code when chain loading
      x86: apl: Skip init code when chain loading
      x86: cpu: Skip init code when chain loading
      pci: Avoid auto-config when chain loading
      board: Add a gd flag for chain loading
      x86: Move coreboot-table detection into common code
      x86: Add a way to detect running from coreboot
      x86: Use the existing stack when chain-loading
      x86: Add documentation for the chain-load feature

 arch/sandbox/dts/test.dts              |   4 +++
 arch/sandbox/include/asm/global_data.h |   1 +
 arch/x86/cpu/apollolake/fsp_s.c        |   2 ++
 arch/x86/cpu/coreboot/tables.c         |  24 +++++--------
 arch/x86/cpu/cpu.c                     |   4 ++-
 arch/x86/cpu/i386/cpu.c                |  27 ++++++++++++++
 arch/x86/cpu/i386/interrupt.c          |   6 ++--
 arch/x86/cpu/start_from_spl.S          |  16 +++++++--
 arch/x86/include/asm/coreboot_tables.h |   7 ++++
 arch/x86/include/asm/global_data.h     |   1 +
 arch/x86/lib/acpi_table.c              | 242
++++++++++++++++++++++----------------------------------------------------------------------------------------------------
 arch/x86/lib/fsp/fsp_dram.c            |   8 +++++
 arch/x86/lib/fsp/fsp_graphics.c        |   3 ++
 arch/x86/lib/fsp2/fsp_dram.c           |  10 ++++++
 arch/x86/lib/fsp2/fsp_init.c           |   2 +-
 arch/x86/lib/init_helpers.c            |   3 ++
 cmd/Kconfig                            |  14 ++++++++
 cmd/Makefile                           |   1 +
 cmd/acpi.c                             | 186
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 doc/arch/x86.rst                       |  28 +++++++++++++++
 doc/device-tree-bindings/device.txt    |  36 +++++++++++++++++++
 drivers/core/acpi.c                    |  62 ++++++++++++++++++++++++++++++++
 drivers/pci/pci-uclass.c               |   4 +--
 include/acpi/acpi_table.h              |  65 +++++++++++++++++++++++++++++++++
 include/asm-generic/global_data.h      |   1 +
 include/cbfs.h                         |   2 +-
 include/dm/acpi.h                      |  37 +++++++++++++++++++
 include/init.h                         |   2 +-
 lib/acpi/acpi_table.c                  | 179
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 test/dm/acpi.c                         | 238
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 30 files changed, 983 insertions(+), 232 deletions(-)
 create mode 100644 cmd/acpi.c
 create mode 100644 doc/device-tree-bindings/device.txt

Regards,
Bin