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ab88bd2b6a
Add a driver for gdsys IHS (Integrated Hardware Systems) FPGAs, which supports initialization of the FPGA, as well as information gathering. Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mario Six <mario.six@gdsys.cc>
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2018
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* Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
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*/
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/**
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* struct ihs_fpga_regs - IHS FPGA register map structure
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* @reflection_low: Lower reflection register
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* @versions: PCB versions register
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* @fpga_version: FPGA versions register
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* @features: FPGA features register
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* @extended_features: FPGA extended features register
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* @top_interrupt: Top interrupt register
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* @top_interrupt_enable: Top interrupt enable register
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* @status: FPGA status register
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* @control: FPGA control register
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* @extended_control: FPGA extended control register
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*/
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struct ihs_fpga_regs {
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u16 reflection_low;
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u16 versions;
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u16 fpga_version;
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u16 features;
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u16 extended_features;
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u16 top_interrupt;
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u16 top_interrupt_enable;
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u16 status;
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u16 control;
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u16 extended_control;
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};
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/**
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* ihs_fpga_set() - Convenience macro to set values in FPGA register map
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* @map: Register map to set a value in
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* @member: Name of member (described by ihs_fpga_regs) to set
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* @val: Value to set the member to
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*/
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#define ihs_fpga_set(map, member, val) \
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regmap_set(map, struct ihs_fpga_regs, member, val)
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/**
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* ihs_fpga_get() - Convenience macro to get values from FPGA register map
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* @map: Register map to read value from
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* @member: Name of member (described by ihs_fpga_regs) to get
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* @valp: Pointe to variable to receive the value read
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*/
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#define ihs_fpga_get(map, member, valp) \
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regmap_get(map, struct ihs_fpga_regs, member, valp)
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