[U-Boot] [PATCH v3 4/4] x86: config option for loading ACPI table from QEMU

[Miao Yan]

This patch adds a config option for loading ACPI table from QEMU. When enabled,
U-Boot won't generate ACPI tables, but use those provided by QEMU.

Signed-off-by: Miao Yan <yanmiaobest at gmail.com>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
Tested-by: Bin Meng <bmeng.cn at gmail.com>
---
Changes in v3:
  - fix a build error
  - make it [PATCH 4/4]

 arch/x86/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f07567c..a995e32 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -358,6 +358,15 @@ config GENERATE_ACPI_TABLE
 	  by the operating system. It defines platform-independent interfaces
 	  for configuration and power management monitoring.
 
+config QEMU_ACPI_TABLE
+	bool "Load ACPI table from QEMU fw_cfg interface"
+	depends on GENERATE_ACPI_TABLE && QEMU
+	default y
+	help
+	  By default, U-Boot generates its own ACPI tables. This option, if
+	  enabled, disables U-Boot's version and loads ACPI tables generated
+	  by QEMU.
+
 config GENERATE_SMBIOS_TABLE
 	bool "Generate an SMBIOS (System Management BIOS) table"
 	default y
-- 
1.9.1