X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Ftarget%2Fdsp563xx_once.c;h=b1955827d833efe2ba9984bb9b1cbee6f66443ba;hb=2d48b8e012cf99f53cdd2a9130167c075717c7d7;hp=d95dcdfd3209079a629987902130ffeda1e967bc;hpb=b7163f534a4bb753b768398af11055cd3a9718cc;p=fw%2Fopenocd diff --git a/src/target/dsp563xx_once.c b/src/target/dsp563xx_once.c index d95dcdfd3..b1955827d 100644 --- a/src/target/dsp563xx_once.c +++ b/src/target/dsp563xx_once.c @@ -1,22 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + /*************************************************************************** * Copyright (C) 2009 by Mathias Kuester * * mkdorg@users.sourceforge.net * - * * - * 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., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ + #ifdef HAVE_CONFIG_H #include "config.h" #endif @@ -47,7 +35,7 @@ #define JTAG_INSTR_BYPASS 0x0F /** */ -static inline int dsp563xx_write_dr(struct jtag_tap *tap, uint8_t * dr_in, uint8_t * dr_out, int dr_len, int rti) +static inline int dsp563xx_write_dr(struct jtag_tap *tap, uint8_t *dr_in, uint8_t *dr_out, int dr_len, int rti) { jtag_add_plain_dr_scan(dr_len, dr_out, dr_in, TAP_IDLE); @@ -55,43 +43,45 @@ static inline int dsp563xx_write_dr(struct jtag_tap *tap, uint8_t * dr_in, uint8 } /** */ -static inline int dsp563xx_write_dr_u8(struct jtag_tap *tap, uint8_t * dr_in, uint8_t dr_out, int dr_len, int rti) +static inline int dsp563xx_write_dr_u8(struct jtag_tap *tap, uint8_t *dr_in, uint8_t dr_out, int dr_len, int rti) { return dsp563xx_write_dr(tap, dr_in, &dr_out, dr_len, rti); } /** */ -static inline int dsp563xx_write_dr_u32(struct jtag_tap *tap, uint32_t * dr_in, uint32_t dr_out, int dr_len, int rti) +static inline int dsp563xx_write_dr_u32(struct jtag_tap *tap, uint32_t *dr_in, uint32_t dr_out, int dr_len, int rti) { - return dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) & dr_out, dr_len, rti); + return dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) &dr_out, dr_len, rti); } /** single word instruction */ -static inline int dsp563xx_once_ir_exec(struct jtag_tap *tap, int flush, uint8_t instr, uint8_t rw, uint8_t go, uint8_t ex) +static inline int dsp563xx_once_ir_exec(struct jtag_tap *tap, int flush, uint8_t instr, + uint8_t rw, uint8_t go, uint8_t ex) { int err; - if ((err = dsp563xx_write_dr_u8(tap, 0, instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0)) != ERROR_OK) + err = dsp563xx_write_dr_u8(tap, 0, instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0); + if (err != ERROR_OK) return err; - if ( flush ) + if (flush) err = jtag_execute_queue(); return err; } /* IR and DR functions */ -static inline int dsp563xx_write_ir(struct jtag_tap *tap, uint8_t * ir_in, uint8_t * ir_out, int ir_len, int rti) +static inline int dsp563xx_write_ir(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out, int ir_len, int rti) { jtag_add_plain_ir_scan(tap->ir_length, ir_out, ir_in, TAP_IDLE); return ERROR_OK; } -static inline int dsp563xx_write_ir_u8(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out, int ir_len, int rti) +static inline int dsp563xx_write_ir_u8(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out, int ir_len, int rti) { return dsp563xx_write_ir(tap, ir_in, &ir_out, ir_len, rti); } -static inline int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out) +static inline int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out) { return dsp563xx_write_ir_u8(tap, ir_in, ir_out, tap->ir_length, 1); } @@ -102,13 +92,15 @@ int dsp563xx_once_target_status(struct jtag_tap *tap) int err; uint8_t jtag_status; - if ((err = dsp563xx_jtag_sendinstr(tap, &jtag_status, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK) + err = dsp563xx_jtag_sendinstr(tap, &jtag_status, JTAG_INSTR_ENABLE_ONCE); + if (err != ERROR_OK) return TARGET_UNKNOWN; - if ((err = jtag_execute_queue()) != ERROR_OK) + err = jtag_execute_queue(); + if (err != ERROR_OK) return TARGET_UNKNOWN; /* verify correct static status pattern */ - if ( (jtag_status & JTAG_STATUS_STATIC_MASK) != JTAG_STATUS_STATIC_VALUE ) + if ((jtag_status & JTAG_STATUS_STATIC_MASK) != JTAG_STATUS_STATIC_VALUE) return TARGET_UNKNOWN; if (jtag_status != JTAG_STATUS_DEBUG) @@ -127,59 +119,50 @@ int dsp563xx_once_request_debug(struct jtag_tap *tap, int reset_state) /* in reset state we only get a ACK * from the interface */ if (reset_state) - { pattern = 1; - } else - { pattern = JTAG_STATUS_DEBUG; - } /* wait until we get the ack */ - while (ir_in != pattern) - { - if ((err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_DEBUG_REQUEST)) != ERROR_OK) + while (ir_in != pattern) { + err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_DEBUG_REQUEST); + if (err != ERROR_OK) return err; - if ((err = jtag_execute_queue()) != ERROR_OK) + err = jtag_execute_queue(); + if (err != ERROR_OK) return err; LOG_DEBUG("debug request: %02X", ir_in); if (retry++ == 100) - { return ERROR_TARGET_FAILURE; - } } /* we cant enable the once in reset state */ if (pattern == 1) - { return ERROR_OK; - } /* try to enable once */ retry = 0; ir_in = 0; - while (ir_in != pattern) - { - if ((err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK) + while (ir_in != pattern) { + err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_ENABLE_ONCE); + if (err != ERROR_OK) return err; - if ((err = jtag_execute_queue()) != ERROR_OK) + err = jtag_execute_queue(); + if (err != ERROR_OK) return err; LOG_DEBUG("enable once: %02X", ir_in); - if (retry++ == 100) - { + if (retry++ == 100) { LOG_DEBUG("error"); return ERROR_TARGET_FAILURE; } } if (ir_in != JTAG_STATUS_DEBUG) - { return ERROR_TARGET_FAILURE; - } return ERROR_OK; } @@ -188,44 +171,50 @@ int dsp563xx_once_request_debug(struct jtag_tap *tap, int reset_state) int dsp563xx_once_read_register(struct jtag_tap *tap, int flush, struct once_reg *regs, int len) { int i; - int err; + int err = ERROR_OK; - for (i = 0; i < len; i++) - { - if ((err = dsp563xx_once_reg_read_ex(tap, flush, regs[i].addr, regs[i].len, ®s[i].reg)) != ERROR_OK) + for (i = 0; i < len; i++) { + err = dsp563xx_once_reg_read_ex(tap, flush, regs[i].addr, regs[i].len, ®s[i].reg); + if (err != ERROR_OK) return err; } - if ( flush ) + if (flush) err = jtag_execute_queue(); return err; } /** once read register with register len */ -int dsp563xx_once_reg_read_ex(struct jtag_tap *tap, int flush, uint8_t reg, uint8_t len, uint32_t * data) +int dsp563xx_once_reg_read_ex(struct jtag_tap *tap, int flush, uint8_t reg, uint8_t len, uint32_t *data) { int err; - if ((err = dsp563xx_once_ir_exec(tap, 1, reg, 1, 0, 0)) != ERROR_OK) + err = dsp563xx_once_ir_exec(tap, 1, reg, 1, 0, 0); + if (err != ERROR_OK) return err; - if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, len, 0)) != ERROR_OK) + err = dsp563xx_write_dr_u32(tap, data, 0x00, len, 0); + if (err != ERROR_OK) return err; - if ( flush ) + if (flush) err = jtag_execute_queue(); + return err; } /** once read register */ -int dsp563xx_once_reg_read(struct jtag_tap *tap, int flush, uint8_t reg, uint32_t * data) +int dsp563xx_once_reg_read(struct jtag_tap *tap, int flush, uint8_t reg, uint32_t *data) { int err; - if ((err = dsp563xx_once_ir_exec(tap, flush, reg, 1, 0, 0)) != ERROR_OK) + err = dsp563xx_once_ir_exec(tap, flush, reg, 1, 0, 0); + if (err != ERROR_OK) return err; - if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, 24, 0)) != ERROR_OK) + err = dsp563xx_write_dr_u32(tap, data, 0x00, 24, 0); + if (err != ERROR_OK) return err; - if ( flush ) + if (flush) err = jtag_execute_queue(); + return err; } @@ -234,11 +223,13 @@ int dsp563xx_once_reg_write(struct jtag_tap *tap, int flush, uint8_t reg, uint32 { int err; - if ((err = dsp563xx_once_ir_exec(tap, flush, reg, 0, 0, 0)) != ERROR_OK) + err = dsp563xx_once_ir_exec(tap, flush, reg, 0, 0, 0); + if (err != ERROR_OK) return err; - if ((err = dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0)) != ERROR_OK) + err = dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0); + if (err != ERROR_OK) return err; - if ( flush ) + if (flush) err = jtag_execute_queue(); return err; } @@ -248,11 +239,13 @@ int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, int flush, uint32_t opcode { int err; - if ((err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK) + err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 1, 0); + if (err != ERROR_OK) return err; - if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK) + err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0); + if (err != ERROR_OK) return err; - if ( flush ) + if (flush) err = jtag_execute_queue(); return err; } @@ -262,21 +255,29 @@ int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, int flush, uint32_t opcode { int err; - if ((err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 0, 0)) != ERROR_OK) + err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 0, 0); + if (err != ERROR_OK) return err; - if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK) + err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0); + if (err != ERROR_OK) return err; - if ( flush ) - if ((err = jtag_execute_queue()) != ERROR_OK) + if (flush) { + err = jtag_execute_queue(); + if (err != ERROR_OK) return err; + } - if ((err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK) + err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 1, 0); + if (err != ERROR_OK) return err; - if ((err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0)) != ERROR_OK) + err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0); + if (err != ERROR_OK) return err; - if ( flush ) - if ((err = jtag_execute_queue()) != ERROR_OK) + if (flush) { + err = jtag_execute_queue(); + if (err != ERROR_OK) return err; + } return ERROR_OK; }