util/pmh7tool: Add tool to dump PMH7 registers

Change-Id: I05ccb5a9a861fe44efec794aafe1805062543d53
Signed-off-by: Evgeny Zinoviev <me@ch1p.com>
Reviewed-on: https://review.coreboot.org/27776
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

util/pmh7tool/pmh7tool.h

@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Evgeny Zinoviev <me@ch1p.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef PMH7TOOL_H
+#define PMH7TOOL_H
+
+#define EC_LENOVO_PMH7_BASE 0x15e0
+#define EC_LENOVO_PMH7_ADDR_L (EC_LENOVO_PMH7_BASE + 0x0c)
+#define EC_LENOVO_PMH7_ADDR_H (EC_LENOVO_PMH7_BASE + 0x0d)
+#define EC_LENOVO_PMH7_DATA (EC_LENOVO_PMH7_BASE + 0x0e)
+
+uint8_t pmh7_register_read(uint16_t reg);
+void pmh7_register_write(uint16_t reg, uint8_t val);
+void pmh7_register_set_bit(uint16_t reg, uint8_t bit);
+void pmh7_register_clear_bit(uint16_t reg, uint8_t bit);
+
+#endif /* PMH7TOOL_H */