[U-Boot] [PATCH 7/8] x86: galileo: Enable ACPI table generation

[Bin Meng]

Enable ACPI table generation by creating a DSDT table.

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

 board/intel/galileo/.gitignore         |  3 +++
 board/intel/galileo/Makefile           |  1 +
 board/intel/galileo/acpi/mainboard.asl | 11 +++++++++++
 board/intel/galileo/dsdt.asl           | 14 ++++++++++++++
 configs/galileo_defconfig              |  1 +
 doc/README.x86                         |  5 ++++-
 6 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 board/intel/galileo/.gitignore
 create mode 100644 board/intel/galileo/acpi/mainboard.asl
 create mode 100644 board/intel/galileo/dsdt.asl

diff --git a/board/intel/galileo/.gitignore b/board/intel/galileo/.gitignore
new file mode 100644
index 0000000..6eb8a54
--- /dev/null
+++ b/board/intel/galileo/.gitignore
@@ -0,0 +1,3 @@
+dsdt.aml
+dsdt.asl.tmp
+dsdt.c
diff --git a/board/intel/galileo/Makefile b/board/intel/galileo/Makefile
index 8356df1..bbe2f8b 100644
--- a/board/intel/galileo/Makefile
+++ b/board/intel/galileo/Makefile
@@ -5,3 +5,4 @@
 #
 
 obj-y	+= galileo.o start.o
+obj-$(CONFIG_GENERATE_ACPI_TABLE) += dsdt.o
diff --git a/board/intel/galileo/acpi/mainboard.asl b/board/intel/galileo/acpi/mainboard.asl
new file mode 100644
index 0000000..21785ea
--- /dev/null
+++ b/board/intel/galileo/acpi/mainboard.asl
@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn at gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* Power Button */
+Device (PWRB)
+{
+	Name(_HID, EISAID("PNP0C0C"))
+}
diff --git a/board/intel/galileo/dsdt.asl b/board/intel/galileo/dsdt.asl
new file mode 100644
index 0000000..6042011
--- /dev/null
+++ b/board/intel/galileo/dsdt.asl
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn at gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+DefinitionBlock("dsdt.aml", "DSDT", 2, "U-BOOT", "U-BOOTBL", 0x00010000)
+{
+	/* platform specific */
+	#include <asm/arch/acpi/platform.asl>
+
+	/* board specific */
+	#include "acpi/mainboard.asl"
+}
diff --git a/configs/galileo_defconfig b/configs/galileo_defconfig
index f8d3c3b..080c2ed 100644
--- a/configs/galileo_defconfig
+++ b/configs/galileo_defconfig
@@ -5,6 +5,7 @@ CONFIG_TARGET_GALILEO=y
 CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_GENERATE_PIRQ_TABLE=y
 CONFIG_GENERATE_MP_TABLE=y
+CONFIG_GENERATE_ACPI_TABLE=y
 CONFIG_FIT=y
 CONFIG_BOOTSTAGE=y
 CONFIG_BOOTSTAGE_REPORT=y
diff --git a/doc/README.x86 b/doc/README.x86
index 4d50feb..a548b54 100644
--- a/doc/README.x86
+++ b/doc/README.x86
@@ -1028,12 +1028,15 @@ Features that are optional:
    those legacy stuff into U-Boot. ACPI spec allows a system that does not
    support SMI (a legacy-free system).
 
-So far ACPI is enabled on BayTrail based boards. Testing was done by booting
+ACPI was initially enabled on BayTrail based boards. Testing was done by booting
 a pre-installed Ubuntu 14.04 from a SATA drive. Installing Ubuntu 14.04 and
 Windows 8.1/10 to a SATA drive and booting from there is also tested. Most
 devices seem to work correctly and the board can respond a reboot/shutdown
 command from the OS.
 
+For other platform boards, ACPI support status can be checked by examining their
+board defconfig files to see if CONFIG_GENERATE_ACPI_TABLE is set to y.
+
 TODO List
 ---------
 - Audio
-- 
1.8.2.1