ite: Add initial support for ITE IT8380 chip

Initial support for the ITE IT8380 chip with the following peripherals :
- 8250-like UART module.
- HW timer (with a 128-us tick period).
- GPIO with pins initialization and edge interrupt support.
other functions are stubbed.
- Clock : basic fixed frequency setup only.
It also add the dev board configuration as a test vehicle.

Signed-off-by: Alec Berg <alecaberg@chromium.org>
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=chrome-os-partner:23575
TEST=make BOARD=it8380dev
on IT8380 dev board, use the EC serial console, use gettime from
console.

Change-Id: Id4bf37d1beb21d1a4bee404c9a0bc500025fe787
Reviewed-on: https://chromium-review.googlesource.com/175481
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Alec Berg <alecaberg@chromium.org>
Tested-by: Alec Berg <alecaberg@chromium.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/chip/it83xx/jtag.c b/chip/it83xx/jtag.c
new file mode 100644
index 0000000000..b876d7f914
--- /dev/null
+++ b/chip/it83xx/jtag.c
@@ -0,0 +1,15 @@
+/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "clock.h"
+#include "gpio.h"
+#include "jtag.h"
+#include "registers.h"
+#include "system.h"
+
+void jtag_pre_init(void)
+{
+	/* TODO(crosbug.com/p/23575): IMPLEMENT ME ! */
+}