X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fdsp563xx_once.c;h=267f475e51f586f3ee8708cc91ba77ed38dfe585;hb=b46231669928bf4edb48c50b327cb68b0d01a27e;hp=0186751f0a545b9ecf6b55114c535577a97609c4;hpb=646ce814b4fb678b7d8d341afe0694c266112426;p=openocd.git diff --git a/src/target/dsp563xx_once.c b/src/target/dsp563xx_once.c index 0186751f0a..267f475e51 100644 --- a/src/target/dsp563xx_once.c +++ b/src/target/dsp563xx_once.c @@ -21,7 +21,7 @@ #include "config.h" #endif -#include +#include #include "target.h" #include "target_type.h" @@ -29,96 +29,254 @@ #include "dsp563xx.h" #include "dsp563xx_once.h" -/** single word instruction */ -int dsp563xx_once_ir_exec(struct jtag_tap *tap, uint8_t instr, uint8_t rw, - uint8_t go, uint8_t ex) +#define JTAG_STATUS_STATIC_MASK 0x03 +#define JTAG_STATUS_STATIC_VALUE 0x01 + +#define JTAG_STATUS_NORMAL 0x01 +#define JTAG_STATUS_STOPWAIT 0x05 +#define JTAG_STATUS_BUSY 0x09 +#define JTAG_STATUS_DEBUG 0x0d + +#define JTAG_INSTR_EXTEST 0x00 +#define JTAG_INSTR_SAMPLE_PRELOAD 0x01 +#define JTAG_INSTR_IDCODE 0x02 +#define JTAG_INSTR_HIZ 0x04 +#define JTAG_INSTR_CLAMP 0x05 +#define JTAG_INSTR_ENABLE_ONCE 0x06 +#define JTAG_INSTR_DEBUG_REQUEST 0x07 +#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) { - dsp563xx_write_dr_u8(tap, 0, - instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0); - dsp563xx_execute_queue(); + jtag_add_plain_dr_scan(dr_len, dr_out, dr_in, TAP_IDLE); return ERROR_OK; } +/** */ +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) +{ + return dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) & dr_out, dr_len, rti); +} + /** single word instruction */ -int dsp563xx_once_ir_exec_nq(struct jtag_tap *tap, 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) + return err; + 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) { - dsp563xx_write_dr_u8(tap, 0, - instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0); + jtag_add_plain_ir_scan(tap->ir_length, ir_out, ir_in, TAP_IDLE); return ERROR_OK; } -/** once read register */ -int dsp563xx_once_reg_read(struct jtag_tap *tap, uint8_t reg, uint32_t * data) +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) { - uint32_t dr_in; + return dsp563xx_write_ir_u8(tap, ir_in, ir_out, tap->ir_length, 1); +} - dr_in = 0; +/** */ +int dsp563xx_once_target_status(struct jtag_tap *tap) +{ + int err; + uint8_t jtag_status; - dsp563xx_once_ir_exec(tap, reg, 1, 0, 0); - dsp563xx_write_dr_u32(tap, &dr_in, 0x00, 24, 0); - dsp563xx_execute_queue(); + if ((err = dsp563xx_jtag_sendinstr(tap, &jtag_status, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK) + return TARGET_UNKNOWN; + if ((err = jtag_execute_queue()) != ERROR_OK) + return TARGET_UNKNOWN; - *data = dr_in; + /* verify correct static status pattern */ + if ( (jtag_status & JTAG_STATUS_STATIC_MASK) != JTAG_STATUS_STATIC_VALUE ) + return TARGET_UNKNOWN; - return ERROR_OK; + if (jtag_status != JTAG_STATUS_DEBUG) + return TARGET_RUNNING; + + return TARGET_HALTED; } -/** once write register */ -int dsp563xx_once_reg_write(struct jtag_tap *tap, uint8_t reg, uint32_t data) +/** */ +int dsp563xx_once_request_debug(struct jtag_tap *tap, int reset_state) { - dsp563xx_once_ir_exec(tap, reg, 0, 0, 0); - dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0); - dsp563xx_execute_queue(); + int err; + uint8_t ir_in = 0, pattern = 0; + uint32_t retry = 0; + + /* 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) + return err; + if ((err = jtag_execute_queue()) != 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) + return err; + if ((err = jtag_execute_queue()) != ERROR_OK) + return err; + + LOG_DEBUG("enable once: %02X", ir_in); + + if (retry++ == 100) + { + LOG_DEBUG("error"); + return ERROR_TARGET_FAILURE; + } + } + + if (ir_in != JTAG_STATUS_DEBUG) + { + return ERROR_TARGET_FAILURE; + } return ERROR_OK; } -/** single word instruction */ -int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, uint32_t opcode) +/** once read registers */ +int dsp563xx_once_read_register(struct jtag_tap *tap, int flush, struct once_reg *regs, int len) { - dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0); - dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0); - dsp563xx_execute_queue(); + int i; + int err = ERROR_OK; - return 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) + return err; + } + + if ( flush ) + err = jtag_execute_queue(); + return err; } -/** double word instruction */ -int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode, - uint32_t operand) +/** 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) { - dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0); - dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0); - dsp563xx_execute_queue(); + int err; - dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0); - dsp563xx_write_dr_u32(tap, 0, operand, 24, 0); - dsp563xx_execute_queue(); + if ((err = dsp563xx_once_ir_exec(tap, 1, reg, 1, 0, 0)) != ERROR_OK) + return err; + if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, len, 0)) != ERROR_OK) + return err; + if ( flush ) + err = jtag_execute_queue(); + return err; +} - return ERROR_OK; +/** once read register */ +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) + return err; + if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, 24, 0)) != ERROR_OK) + return err; + if ( flush ) + err = jtag_execute_queue(); + return err; +} + +/** once write register */ +int dsp563xx_once_reg_write(struct jtag_tap *tap, int flush, uint8_t reg, uint32_t data) +{ + int err; + + if ((err = dsp563xx_once_ir_exec(tap, flush, reg, 0, 0, 0)) != ERROR_OK) + return err; + if ((err = dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0)) != ERROR_OK) + return err; + if ( flush ) + err = jtag_execute_queue(); + return err; } /** single word instruction */ -int dsp563xx_once_execute_sw_ir_nq(struct jtag_tap *tap, uint32_t opcode) +int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, int flush, uint32_t opcode) { - dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0); - dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0); + int err; - return ERROR_OK; + if ((err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK) + return err; + if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK) + return err; + if ( flush ) + err = jtag_execute_queue(); + return err; } /** double word instruction */ -int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode, - uint32_t operand) +int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, int flush, uint32_t opcode, uint32_t operand) { - dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0); - dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0); + int err; + + if ((err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 0, 0)) != ERROR_OK) + return err; + if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK) + return err; + if ( flush ) + if ((err = jtag_execute_queue()) != ERROR_OK) + return err; - dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0); - dsp563xx_write_dr_u32(tap, 0, operand, 24, 0); + if ((err = dsp563xx_once_ir_exec(tap, flush, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK) + return err; + if ((err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0)) != ERROR_OK) + return err; + if ( flush ) + if ((err = jtag_execute_queue()) != ERROR_OK) + return err; return ERROR_OK; }