From 70efecd4a21c4adc7cbfb5fcdbc8b9bfedbaa270 Mon Sep 17 00:00:00 2001 From: Andrey Petrov Date: Fri, 4 Mar 2016 21:41:13 -0800 Subject: soc/intel/apollolake: Add chip initialization Change-Id: I54532b71c7649f7eeccbb2213b31418cfdbfb00c Signed-off-by: Andrey Petrov Reviewed-on: https://review.coreboot.org/13911 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/soc/intel/apollolake/chip.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 src/soc/intel/apollolake/chip.h (limited to 'src/soc/intel/apollolake/chip.h') diff --git a/src/soc/intel/apollolake/chip.h b/src/soc/intel/apollolake/chip.h new file mode 100644 index 0000000000..026fdda6e8 --- /dev/null +++ b/src/soc/intel/apollolake/chip.h @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Intel Corp. + * (Written by Alexandru Gagniuc for Intel Corp.) + * + * 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; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _SOC_APOLLOLAKE_CHIP_H_ +#define _SOC_APOLLOLAKE_CHIP_H_ + +#define CLKREQ_DISABLED 0xf + +struct soc_intel_apollolake_config { + /* + * Mapping from PCIe root port to CLKREQ input on the SOC. The SOC has + * four CLKREQ inputs, but six root ports. Root ports without an + * associated CLKREQ signal must be marked with "CLKREQ_DISABLED" + */ + uint8_t pcie_rp0_clkreq_pin; + uint8_t pcie_rp1_clkreq_pin; + uint8_t pcie_rp2_clkreq_pin; + uint8_t pcie_rp3_clkreq_pin; + uint8_t pcie_rp4_clkreq_pin; + uint8_t pcie_rp5_clkreq_pin; +}; + +#endif /* _SOC_APOLLOLAKE_CHIP_H_ */ -- cgit v1.2.3