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74ba9207e1
Based on 1 normalized pattern(s): 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 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 you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 675 mass ave cambridge ma 02139 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 441 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520071858.739733335@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* altera-jtag.h
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*
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* altera FPGA driver
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*
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* Copyright (C) Altera Corporation 1998-2001
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* Copyright (C) 2010 NetUP Inc.
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* Copyright (C) 2010 Igor M. Liplianin <liplianin@netup.ru>
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*/
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#ifndef ALTERA_JTAG_H
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#define ALTERA_JTAG_H
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/* Function Prototypes */
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enum altera_jtag_state {
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ILLEGAL_JTAG_STATE = -1,
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RESET = 0,
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IDLE = 1,
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DRSELECT = 2,
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DRCAPTURE = 3,
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DRSHIFT = 4,
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DREXIT1 = 5,
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DRPAUSE = 6,
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DREXIT2 = 7,
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DRUPDATE = 8,
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IRSELECT = 9,
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IRCAPTURE = 10,
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IRSHIFT = 11,
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IREXIT1 = 12,
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IRPAUSE = 13,
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IREXIT2 = 14,
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IRUPDATE = 15
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};
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struct altera_jtag {
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/* Global variable to store the current JTAG state */
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enum altera_jtag_state jtag_state;
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/* Store current stop-state for DR and IR scan commands */
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enum altera_jtag_state drstop_state;
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enum altera_jtag_state irstop_state;
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/* Store current padding values */
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u32 dr_pre;
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u32 dr_post;
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u32 ir_pre;
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u32 ir_post;
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u32 dr_length;
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u32 ir_length;
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u8 *dr_pre_data;
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u8 *dr_post_data;
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u8 *ir_pre_data;
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u8 *ir_post_data;
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u8 *dr_buffer;
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u8 *ir_buffer;
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};
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#define ALTERA_STACK_SIZE 128
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#define ALTERA_MESSAGE_LENGTH 1024
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struct altera_state {
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struct altera_config *config;
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struct altera_jtag js;
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char msg_buff[ALTERA_MESSAGE_LENGTH + 1];
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long stack[ALTERA_STACK_SIZE];
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};
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int altera_jinit(struct altera_state *astate);
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int altera_set_drstop(struct altera_jtag *js, enum altera_jtag_state state);
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int altera_set_irstop(struct altera_jtag *js, enum altera_jtag_state state);
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int altera_set_dr_pre(struct altera_jtag *js, u32 count, u32 start_index,
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u8 *preamble_data);
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int altera_set_ir_pre(struct altera_jtag *js, u32 count, u32 start_index,
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u8 *preamble_data);
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int altera_set_dr_post(struct altera_jtag *js, u32 count, u32 start_index,
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u8 *postamble_data);
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int altera_set_ir_post(struct altera_jtag *js, u32 count, u32 start_index,
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u8 *postamble_data);
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int altera_goto_jstate(struct altera_state *astate,
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enum altera_jtag_state state);
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int altera_wait_cycles(struct altera_state *astate, s32 cycles,
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enum altera_jtag_state wait_state);
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int altera_wait_msecs(struct altera_state *astate, s32 microseconds,
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enum altera_jtag_state wait_state);
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int altera_irscan(struct altera_state *astate, u32 count,
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u8 *tdi_data, u32 start_index);
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int altera_swap_ir(struct altera_state *astate,
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u32 count, u8 *in_data,
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u32 in_index, u8 *out_data,
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u32 out_index);
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int altera_drscan(struct altera_state *astate, u32 count,
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u8 *tdi_data, u32 start_index);
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int altera_swap_dr(struct altera_state *astate, u32 count,
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u8 *in_data, u32 in_index,
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u8 *out_data, u32 out_index);
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void altera_free_buffers(struct altera_state *astate);
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#endif /* ALTERA_JTAG_H */
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