[U-Boot] [PATCH 117/126] x86: apollolake: Add PCH driver
Simon Glass
sjg at chromium.org
Wed Sep 25 15:00:43 UTC 2019
Add a driver for the apollolake Platform Controller Hub. It does not have
any functionality and is just a placeholder for now.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
arch/x86/cpu/apollolake/Makefile | 1 +
arch/x86/cpu/apollolake/pch.c | 29 ++++++++++++++++++++++
arch/x86/include/asm/arch-apollolake/pch.h | 9 +++++++
3 files changed, 39 insertions(+)
create mode 100644 arch/x86/cpu/apollolake/pch.c
create mode 100644 arch/x86/include/asm/arch-apollolake/pch.h
diff --git a/arch/x86/cpu/apollolake/Makefile b/arch/x86/cpu/apollolake/Makefile
index 2bee6b6eb0d..2760c88c153 100644
--- a/arch/x86/cpu/apollolake/Makefile
+++ b/arch/x86/cpu/apollolake/Makefile
@@ -8,5 +8,6 @@ obj-y += gpio.o
obj-y += hostbridge.o
obj-y += itss.o
obj-y += lpc.o
+obj-y += pch.o
obj-y += pmc.o
obj-y += uart.o
diff --git a/arch/x86/cpu/apollolake/pch.c b/arch/x86/cpu/apollolake/pch.c
new file mode 100644
index 00000000000..a51198f3d83
--- /dev/null
+++ b/arch/x86/cpu/apollolake/pch.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 Google LLC
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <pch.h>
+
+static int apl_pch_probe(struct udevice *dev)
+{
+ return 0;
+}
+
+static const struct pch_ops apl_pch_ops = {
+};
+
+static const struct udevice_id apl_pch_ids[] = {
+ { .compatible = "intel,apl-pch" },
+ { }
+};
+
+U_BOOT_DRIVER(apl_pch) = {
+ .name = "apl_pch",
+ .id = UCLASS_PCH,
+ .of_match = apl_pch_ids,
+ .probe = apl_pch_probe,
+ .ops = &apl_pch_ops,
+};
diff --git a/arch/x86/include/asm/arch-apollolake/pch.h b/arch/x86/include/asm/arch-apollolake/pch.h
new file mode 100644
index 00000000000..7f19903a3fe
--- /dev/null
+++ b/arch/x86/include/asm/arch-apollolake/pch.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+
+#ifndef __ASM_ARCH_PCH_H
+#define __ASM_ARCH_PCH_H
+
+#endif /* __ASM_ARCH_PCH_H */
--
2.23.0.444.g18eeb5a265-goog
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