Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 38 insertions, 0 deletions

diff --git a/roms/u-boot/arch/x86/cpu/apollolake/pch.c b/roms/u-boot/arch/x86/cpu/apollolake/pch.c
new file mode 100644
index 000000000..39d6ad5ed
--- /dev/null
+++ b/roms/u-boot/arch/x86/cpu/apollolake/pch.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 Google LLC
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <pch.h>
+#include <spl.h>
+#include <asm/lpc_common.h>
+
+#define BIOS_CTRL	0xdc
+
+static int apl_set_spi_protect(struct udevice *dev, bool protect)
+{
+	if (spl_phase() == PHASE_SPL)
+		return lpc_set_spi_protect(dev, BIOS_CTRL, protect);
+
+	return 0;
+}
+
+static const struct pch_ops apl_pch_ops = {
+	.set_spi_protect = apl_set_spi_protect,
+};
+
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+static const struct udevice_id apl_pch_ids[] = {
+	{ .compatible = "intel,apl-pch" },
+	{ }
+};
+#endif
+
+U_BOOT_DRIVER(intel_apl_pch) = {
+	.name		= "intel_apl_pch",
+	.id		= UCLASS_PCH,
+	.of_match	= of_match_ptr(apl_pch_ids),
+	.ops		= &apl_pch_ops,
+};