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/* SPDX-License-Identifier: GPL-2.0-or-later */
/***************************************************************************
* Copyright (C) 2005, 2006 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
***************************************************************************/
#ifndef OPENOCD_TARGET_EMBEDDEDICE_H
#define OPENOCD_TARGET_EMBEDDEDICE_H
#include "arm7_9_common.h"
enum {
EICE_DBG_CTRL = 0,
EICE_DBG_STAT = 1,
EICE_COMMS_CTRL = 2,
EICE_COMMS_DATA = 3,
EICE_W0_ADDR_VALUE = 4,
EICE_W0_ADDR_MASK = 5,
EICE_W0_DATA_VALUE = 6,
EICE_W0_DATA_MASK = 7,
EICE_W0_CONTROL_VALUE = 8,
EICE_W0_CONTROL_MASK = 9,
EICE_W1_ADDR_VALUE = 10,
EICE_W1_ADDR_MASK = 11,
EICE_W1_DATA_VALUE = 12,
EICE_W1_DATA_MASK = 13,
EICE_W1_CONTROL_VALUE = 14,
EICE_W1_CONTROL_MASK = 15,
EICE_VEC_CATCH = 16
};
enum {
EICE_DBG_CONTROL_ICEDIS = 5,
EICE_DBG_CONTROL_MONEN = 4,
EICE_DBG_CONTROL_INTDIS = 2,
EICE_DBG_CONTROL_DBGRQ = 1,
EICE_DBG_CONTROL_DBGACK = 0,
};
enum {
EICE_DBG_STATUS_IJBIT = 5,
EICE_DBG_STATUS_ITBIT = 4,
EICE_DBG_STATUS_SYSCOMP = 3,
EICE_DBG_STATUS_IFEN = 2,
EICE_DBG_STATUS_DBGRQ = 1,
EICE_DBG_STATUS_DBGACK = 0
};
enum {
EICE_W_CTRL_ENABLE = 0x100,
EICE_W_CTRL_RANGE = 0x80,
EICE_W_CTRL_CHAIN = 0x40,
EICE_W_CTRL_EXTERN = 0x20,
EICE_W_CTRL_NTRANS = 0x10,
EICE_W_CTRL_NOPC = 0x8,
EICE_W_CTRL_MAS = 0x6,
EICE_W_CTRL_ITBIT = 0x2,
EICE_W_CTRL_NRW = 0x1
};
enum {
EICE_COMM_CTRL_WBIT = 1,
EICE_COMM_CTRL_RBIT = 0
};
struct embeddedice_reg {
int addr;
struct arm_jtag *jtag_info;
};
struct reg_cache *embeddedice_build_reg_cache(struct target *target,
struct arm7_9_common *arm7_9);
void embeddedice_free_reg_cache(struct reg_cache *reg_cache);
int embeddedice_setup(struct target *target);
int embeddedice_read_reg(struct reg *reg);
int embeddedice_read_reg_w_check(struct reg *reg,
uint8_t *check_value, uint8_t *check_mask);
void embeddedice_write_reg(struct reg *reg, uint32_t value);
void embeddedice_store_reg(struct reg *reg);
void embeddedice_set_reg(struct reg *reg, uint32_t value);
int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size);
int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size);
int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeout);
/* If many embeddedice_write_reg() follow each other, then the >1 invocations can be
* this faster version of embeddedice_write_reg
*/
static inline void embeddedice_write_reg_inner(struct jtag_tap *tap, int reg_addr, uint32_t value)
{
uint8_t out_reg_addr = (1 << 5) | reg_addr;
uint8_t out_value[4];
buf_set_u32(out_value, 0, 32, value);
struct scan_field fields[2] = {
{ .num_bits = 32, .out_value = out_value },
{ .num_bits = 6, .out_value = &out_reg_addr },
};
jtag_add_dr_scan(tap, 2, fields, TAP_IDLE);
}
void embeddedice_write_dcc(struct jtag_tap *tap, int reg_addr, const uint8_t *buffer,
int little, int count);
#endif /* OPENOCD_TARGET_EMBEDDEDICE_H */
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