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/* SPDX-License-Identifier: GPL-2.0-or-later */
/****************************************************************************
File : msgtypes.h *
Contents : Definition of the commands supported by NanoXplore *
USB-JTAG ANGIE adapter hardware. *
Based on openULINK project code by: Martin Schmoelzer. *
Copyright 2023, Ahmed Errached BOUDJELIDA, NanoXplore SAS. *
<aboudjelida@nanoxplore.com> *
<ahmederrachedbjld@gmail.com> *
*****************************************************************************/
/**
* @file
* Definition of the commands supported by the ANGIE firmware.
*
* Basically, two types of commands can be distinguished:
* - Commands with fixed payload size
* - Commands with variable payload size
*
* SCAN commands (in all variations) carry payloads of variable size, all
* other commands carry payloads of fixed size.
*
* In the case of SCAN commands, the payload size (n) is calculated by
* dividing the scan_size_bits variable by 8, rounding up the result.
*
* Offset zero always contains the command ID.
*
****************************************************************************
* CMD_SCAN_IN, CMD_SLOW_SCAN_IN: *
* *
* OUT: *
* offset 1: scan_size_bytes *
* offset 2: bits_last_byte *
* offset 3: tms_count_start + tms_count_end *
* offset 4: tms_sequence_start *
* offset 5: tms_sequence_end *
* *
* IN: *
* offset 0..n: TDO data *
****************************************************************************
* CMD_SCAN_OUT, CMD_SLOW_SCAN_OUT: *
* *
* OUT: *
* offset 1: scan_size_bytes *
* offset 2: bits_last_byte *
* offset 3: tms_count_start + tms_count_end *
* offset 4: tms_sequence_start *
* offset 5: tms_sequence_end *
* offset 6..x: TDI data *
****************************************************************************
* CMD_SCAN_IO, CMD_SLOW_SCAN_IO: *
* *
* OUT: *
* offset 1: scan_size_bytes *
* offset 2: bits_last_byte *
* offset 3: tms_count_start + tms_count_end *
* offset 4: tms_sequence_start *
* offset 5: tms_sequence_end *
* offset 6..x: TDI data *
* *
* IN: *
* offset 0..n: TDO data *
****************************************************************************
* CMD_CLOCK_TMS, CMD_SLOW_CLOCK_TMS: *
* *
* OUT: *
* offset 1: tms_count *
* offset 2: tms_sequence *
****************************************************************************
* CMD_CLOCK_TCK, CMD_SLOW_CLOCK_TCK: *
* *
* OUT: *
* offset 1: low byte of tck_count *
* offset 2: high byte of tck_count *
****************************************************************************
* CMD_CLOCK_SLEEP_US: *
* *
* OUT: *
* offset 1: low byte of sleep_us *
* offset 2: high byte of sleep_us *
****************************************************************************
* CMD_CLOCK_SLEEP_MS: *
* *
* OUT: *
* offset 1: low byte of sleep_ms *
* offset 2: high byte of sleep_ms *
****************************************************************************
* CMD_GET_SIGNALS: *
* *
* IN: *
* offset 0: current state of input signals *
* offset 1: current state of output signals *
****************************************************************************
* CMD_SET_SIGNALS: *
* *
* OUT: *
* offset 1: signals that should be de-asserted *
* offset 2: signals that should be asserted *
****************************************************************************
* CMD_CONFIGURE_TCK_FREQ: *
* *
* OUT: *
* offset 1: delay value for scan_in function *
* offset 2: delay value for scan_out function *
* offset 3: delay value for scan_io function *
* offset 4: delay value for clock_tck function *
* offset 5: delay value for clock_tms function *
****************************************************************************
* CMD_SET_LEDS: *
* *
* OUT: *
* offset 1: LED states: *
* Bit 0: turn COM LED on *
* Bit 1: turn RUN LED on *
* Bit 2: turn COM LED off *
* Bit 3: turn RUN LED off *
* Bits 7..4: Reserved *
****************************************************************************
* CMD_TEST: *
* *
* OUT: *
* offset 1: unused dummy value *
****************************************************************************
*/
#ifndef __MSGTYPES_H
#define __MSGTYPES_H
/*
* Command IDs:
*
* Bits 7..6: Reserved, should always be zero
* Bits 5..0: Command ID. There are 62 usable IDs. Of this 63 available IDs,
* the IDs 0x00..0x1F are commands with variable payload size,
* the IDs 0x20..0x3F are commands with fixed payload size.
*/
#define CMD_ID_MASK 0x3F
/* Commands with variable payload size */
#define CMD_SCAN_IN 0x00
#define CMD_SLOW_SCAN_IN 0x01
#define CMD_SCAN_OUT 0x02
#define CMD_SLOW_SCAN_OUT 0x03
#define CMD_SCAN_IO 0x04
#define CMD_SLOW_SCAN_IO 0x05
/* Commands with fixed payload size */
#define CMD_CLOCK_TMS 0x20
#define CMD_SLOW_CLOCK_TMS 0x21
#define CMD_CLOCK_TCK 0x22
#define CMD_SLOW_CLOCK_TCK 0x23
#define CMD_SLEEP_US 0x24
#define CMD_SLEEP_MS 0x25
#define CMD_GET_SIGNALS 0x26
#define CMD_SET_SIGNALS 0x27
#define CMD_CONFIGURE_TCK_FREQ 0x28
#define CMD_SET_LEDS 0x29
#define CMD_TEST 0x2A
/* JTAG signal definition for jtag_get_signals() -- Input signals! */
#define SIGNAL_TDO 1
/* JTAG signal definition for jtag_get_signals() -- Output signals! */
#define SIGNAL_TDI 8
#define SIGNAL_TMS 2
#define SIGNAL_TCK 4
#define SIGNAL_TRST 1
#define SIGNAL_SRST 32
#endif
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