From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 roms/u-boot/board/google/common/Makefile     |  5 +++++
 roms/u-boot/board/google/common/early_init.S | 28 ++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 roms/u-boot/board/google/common/Makefile
 create mode 100644 roms/u-boot/board/google/common/early_init.S

(limited to 'roms/u-boot/board/google/common')

diff --git a/roms/u-boot/board/google/common/Makefile b/roms/u-boot/board/google/common/Makefile
new file mode 100644
index 000000000..d1f45c677
--- /dev/null
+++ b/roms/u-boot/board/google/common/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (c) 2014 Google, Inc
+
+obj-$(CONFIG_X86) += early_init.o
diff --git a/roms/u-boot/board/google/common/early_init.S b/roms/u-boot/board/google/common/early_init.S
new file mode 100644
index 000000000..6ac64b338
--- /dev/null
+++ b/roms/u-boot/board/google/common/early_init.S
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2014 Google, Inc
+ */
+
+.globl early_board_init
+early_board_init:
+	/* Enable post codes to EC */
+#ifdef CONFIG_EARLY_POST_CROS_EC
+	mov    $0x1b, %ecx
+	rdmsr
+	and    $0x100, %eax
+	test   %eax, %eax
+	je     1f
+
+	mov    $0x8000f8f0, %eax
+	mov    $0xcf8, %dx
+	out    %eax, (%dx)
+	mov    $0xfed1c001, %eax
+	mov    $0xcfc, %dx
+	out    %eax, (%dx)
+	mov    $0xfed1f410, %esp
+	mov    (%esp), %eax
+	and    $0xfffffffb, %eax
+	mov    %eax, (%esp)
+1:
+#endif
+	jmp	early_board_init_ret
-- 
cgit