X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Famt_jtagaccel.c;h=54523fb3e773a31ea3e6ff1225c0c60ec74d18a5;hp=b94b6f7605ef8dc51f0a74e65319bf6afae0b7ab;hb=0bba832713cca8e5931d5d21f37f526d0a3979cf;hpb=2585fc34200938fb3fa55a450ea37f68012aafa7 diff --git a/src/jtag/amt_jtagaccel.c b/src/jtag/amt_jtagaccel.c index b94b6f7605..54523fb3e7 100644 --- a/src/jtag/amt_jtagaccel.c +++ b/src/jtag/amt_jtagaccel.c @@ -100,22 +100,23 @@ int amt_jtagaccel_handle_rtck_command(struct command_context_s *cmd_ctx, char *c */ u8 amt_jtagaccel_tap_move[6][6][2] = { - /* TLR RTI SD PD SI PI */ - {{0x1f, 0x00}, {0x0f, 0x00}, {0x8a, 0x04}, {0x0a, 0x00}, {0x06, 0x00}, {0x96, 0x00}}, /* TLR */ - {{0x1f, 0x00}, {0x00, 0x00}, {0x85, 0x08}, {0x05, 0x00}, {0x8b, 0x08}, {0x0b, 0x00}}, /* RTI */ - {{0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* SD */ - {{0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* PD */ - {{0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00}, {0x01, 0x00}}, /* SI */ - {{0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00}}, /* PI */ + /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */ + {{0x1f, 0x00}, {0x0f, 0x00}, {0x8a, 0x04}, {0x0a, 0x00}, {0x06, 0x00}, {0x96, 0x00}}, /* RESET */ + {{0x1f, 0x00}, {0x00, 0x00}, {0x85, 0x08}, {0x05, 0x00}, {0x8b, 0x08}, {0x0b, 0x00}}, /* IDLE */ + {{0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* DRSHIFT */ + {{0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* DRPAUSE */ + {{0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00}, {0x01, 0x00}}, /* IRSHIFT */ + {{0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00}}, /* IRPAUSE */ }; -jtag_interface_t amt_jtagaccel_interface = + +jtag_interface_t amt_jtagaccel_interface = { .name = "amt_jtagaccel", - + .execute_queue = amt_jtagaccel_execute_queue, - .speed = amt_jtagaccel_speed, + .speed = amt_jtagaccel_speed, .register_commands = amt_jtagaccel_register_commands, .init = amt_jtagaccel_init, .quit = amt_jtagaccel_quit, @@ -127,7 +128,7 @@ int amt_jtagaccel_register_commands(struct command_context_s *cmd_ctx) COMMAND_CONFIG, NULL); register_command(cmd_ctx, NULL, "rtck", amt_jtagaccel_handle_rtck_command, COMMAND_CONFIG, NULL); - + return ERROR_OK; } @@ -142,7 +143,7 @@ void amt_jtagaccel_reset(int trst, int srst) aw_control_rst |= 0x1; else if (srst == 0) aw_control_rst &= ~0x1; - + AMT_AW(aw_control_rst); } @@ -151,14 +152,14 @@ int amt_jtagaccel_speed(int speed) aw_control_baudrate &= 0xf0; aw_control_baudrate |= speed & 0x0f; AMT_AW(aw_control_baudrate); - + return ERROR_OK; } -void amt_jtagaccel_end_state(state) +void amt_jtagaccel_end_state(int state) { - if (tap_move_map[state] != -1) - end_state = state; + if (tap_is_state_stable(state)) + tap_set_end_state(state); else { LOG_ERROR("BUG: %i is not a valid end state", state); @@ -166,15 +167,15 @@ void amt_jtagaccel_end_state(state) } } -void amt_wait_scan_busy() +void amt_wait_scan_busy(void) { int timeout = 4096; u8 ar_status; - + AMT_AR(ar_status); while (((ar_status) & 0x80) && (timeout-- > 0)) AMT_AR(ar_status); - + if (ar_status & 0x80) { LOG_ERROR("amt_jtagaccel timed out while waiting for end of scan, rtck was %s, last AR_STATUS: 0x%2.2x", (rtck_enabled) ? "enabled" : "disabled", ar_status); @@ -186,15 +187,18 @@ void amt_jtagaccel_state_move(void) { u8 aw_scan_tms_5; u8 tms_scan[2]; - - tms_scan[0] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][0]; - tms_scan[1] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][1]; - + + tap_state_t cur_state = tap_get_state(); + tap_state_t end_state = tap_get_end_state(); + + tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][0]; + tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][1]; + aw_scan_tms_5 = 0x40 | (tms_scan[0] & 0x1f); AMT_AW(aw_scan_tms_5); if (jtag_speed > 3 || rtck_enabled) amt_wait_scan_busy(); - + if (tms_scan[0] & 0x80) { aw_scan_tms_5 = 0x40 | (tms_scan[1] & 0x1f); @@ -202,8 +206,8 @@ void amt_jtagaccel_state_move(void) if (jtag_speed > 3 || rtck_enabled) amt_wait_scan_busy(); } - - cur_state = end_state; + + tap_set_state(end_state); } void amt_jtagaccel_runtest(int num_cycles) @@ -212,30 +216,30 @@ void amt_jtagaccel_runtest(int num_cycles) u8 aw_scan_tms_5; u8 aw_scan_tms_1to4; - enum tap_state saved_end_state = end_state; - - /* only do a state_move when we're not already in RTI */ - if (cur_state != TAP_RTI) + tap_state_t saved_end_state = tap_get_end_state(); + + /* only do a state_move when we're not already in IDLE */ + if (tap_get_state() != TAP_IDLE) { - amt_jtagaccel_end_state(TAP_RTI); + amt_jtagaccel_end_state(TAP_IDLE); amt_jtagaccel_state_move(); } - + while (num_cycles - i >= 5) { aw_scan_tms_5 = 0x40; AMT_AW(aw_scan_tms_5); i += 5; } - + if (num_cycles - i > 0) { aw_scan_tms_1to4 = 0x80 | ((num_cycles - i - 1) & 0x3) << 4; AMT_AW(aw_scan_tms_1to4); } - + amt_jtagaccel_end_state(saved_end_state); - if (cur_state != end_state) + if (tap_get_state() != tap_get_end_state()) amt_jtagaccel_state_move(); } @@ -243,7 +247,7 @@ void amt_jtagaccel_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_s { int bits_left = scan_size; int bit_count = 0; - enum tap_state saved_end_state = end_state; + tap_state_t saved_end_state = tap_get_end_state(); u8 aw_tdi_option; u8 dw_tdi_scan; u8 dr_tdo; @@ -251,9 +255,9 @@ void amt_jtagaccel_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_s u8 tms_scan[2]; if (ir_scan) - amt_jtagaccel_end_state(TAP_SI); + amt_jtagaccel_end_state(TAP_IRSHIFT); else - amt_jtagaccel_end_state(TAP_SD); + amt_jtagaccel_end_state(TAP_DRSHIFT); amt_jtagaccel_state_move(); amt_jtagaccel_end_state(saved_end_state); @@ -263,7 +267,7 @@ void amt_jtagaccel_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_s { aw_tdi_option = 0x30 | (((scan_size - 1) % 8) - 1); AMT_AW(aw_tdi_option); - + dw_tdi_scan = buf_get_u32(buffer, bit_count, (scan_size - 1) % 8) & 0xff; AMT_DW(dw_tdi_scan); if (jtag_speed > 3 || rtck_enabled) @@ -275,11 +279,11 @@ void amt_jtagaccel_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_s dr_tdo = dr_tdo >> (8 - ((scan_size - 1) % 8)); buf_set_u32(buffer, bit_count, (scan_size - 1) % 8, dr_tdo); } - + bit_count += (scan_size - 1) % 8; bits_left -= (scan_size - 1) % 8; } - + while (bits_left - 1 >= 8) { dw_tdi_scan = buf_get_u32(buffer, bit_count, 8) & 0xff; @@ -292,13 +296,13 @@ void amt_jtagaccel_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_s AMT_DR(dr_tdo); buf_set_u32(buffer, bit_count, 8, dr_tdo); } - + bit_count += 8; bits_left -= 8; } - - tms_scan[0] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][0]; - tms_scan[1] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][1]; + + tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][0]; + tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][1]; aw_tms_scan = 0x40 | (tms_scan[0] & 0x1f) | (buf_get_u32(buffer, bit_count, 1) << 5); AMT_AW(aw_tms_scan); if (jtag_speed > 3 || rtck_enabled) @@ -310,7 +314,7 @@ void amt_jtagaccel_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_s dr_tdo = dr_tdo >> 7; buf_set_u32(buffer, bit_count, 1, dr_tdo); } - + if (tms_scan[0] & 0x80) { aw_tms_scan = 0x40 | (tms_scan[1] & 0x1f); @@ -318,7 +322,7 @@ void amt_jtagaccel_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_s if (jtag_speed > 3 || rtck_enabled) amt_wait_scan_busy(); } - cur_state = end_state; + tap_set_state(tap_get_end_state()); } int amt_jtagaccel_execute_queue(void) @@ -328,12 +332,12 @@ int amt_jtagaccel_execute_queue(void) enum scan_type type; u8 *buffer; int retval; - + /* return ERROR_OK, unless a jtag_read_buffer returns a failed check * that wasn't handled by a caller-provided error handler - */ + */ retval = ERROR_OK; - + while (cmd) { switch (cmd->type) @@ -342,7 +346,7 @@ int amt_jtagaccel_execute_queue(void) #ifdef _DEBUG_JTAG_IO_ LOG_DEBUG("end_state: %i", cmd->cmd.end_state->end_state); #endif - if (cmd->cmd.end_state->end_state != -1) + if (cmd->cmd.end_state->end_state != TAP_INVALID) amt_jtagaccel_end_state(cmd->cmd.end_state->end_state); break; case JTAG_RESET: @@ -351,7 +355,7 @@ int amt_jtagaccel_execute_queue(void) #endif if (cmd->cmd.reset->trst == 1) { - cur_state = TAP_TLR; + tap_set_state(TAP_RESET); } amt_jtagaccel_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst); break; @@ -359,7 +363,7 @@ int amt_jtagaccel_execute_queue(void) #ifdef _DEBUG_JTAG_IO_ LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state); #endif - if (cmd->cmd.runtest->end_state != -1) + if (cmd->cmd.runtest->end_state != TAP_INVALID) amt_jtagaccel_end_state(cmd->cmd.runtest->end_state); amt_jtagaccel_runtest(cmd->cmd.runtest->num_cycles); break; @@ -367,7 +371,7 @@ int amt_jtagaccel_execute_queue(void) #ifdef _DEBUG_JTAG_IO_ LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state); #endif - if (cmd->cmd.statemove->end_state != -1) + if (cmd->cmd.statemove->end_state != TAP_INVALID) amt_jtagaccel_end_state(cmd->cmd.statemove->end_state); amt_jtagaccel_state_move(); break; @@ -375,7 +379,7 @@ int amt_jtagaccel_execute_queue(void) #ifdef _DEBUG_JTAG_IO_ LOG_DEBUG("scan end in %i", cmd->cmd.scan->end_state); #endif - if (cmd->cmd.scan->end_state != -1) + if (cmd->cmd.scan->end_state != TAP_INVALID) amt_jtagaccel_end_state(cmd->cmd.scan->end_state); scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer); type = jtag_scan_type(cmd->cmd.scan); @@ -397,33 +401,33 @@ int amt_jtagaccel_execute_queue(void) } cmd = cmd->next; } - + return retval; } #if PARPORT_USE_GIVEIO == 1 -int amt_jtagaccel_get_giveio_access() +int amt_jtagaccel_get_giveio_access(void) { - HANDLE h; - OSVERSIONINFO version; - - version.dwOSVersionInfoSize = sizeof version; - if (!GetVersionEx( &version )) { - errno = EINVAL; - return -1; - } - if (version.dwPlatformId != VER_PLATFORM_WIN32_NT) - return 0; - - h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); - if (h == INVALID_HANDLE_VALUE) { - errno = ENODEV; - return -1; - } - - CloseHandle( h ); - - return 0; + HANDLE h; + OSVERSIONINFO version; + + version.dwOSVersionInfoSize = sizeof version; + if (!GetVersionEx( &version )) { + errno = EINVAL; + return -1; + } + if (version.dwPlatformId != VER_PLATFORM_WIN32_NT) + return 0; + + h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); + if (h == INVALID_HANDLE_VALUE) { + errno = ENODEV; + return -1; + } + + CloseHandle( h ); + + return 0; } #endif @@ -437,7 +441,7 @@ int amt_jtagaccel_init(void) u8 status_port; #endif u8 ar_status; - + #if PARPORT_USE_PPDEV == 1 if (device_handle > 0) { @@ -447,7 +451,7 @@ int amt_jtagaccel_init(void) snprintf(buffer, 256, "/dev/parport%d", amt_jtagaccel_port); device_handle = open(buffer, O_RDWR); - + if (device_handle < 0) { LOG_ERROR("cannot open device. check it exists and that user read and write rights are set"); @@ -468,7 +472,7 @@ int amt_jtagaccel_init(void) LOG_ERROR(" cannot set compatible mode to device"); return ERROR_JTAG_INIT_FAILED; } - + control_port = 0x00; i = ioctl(device_handle, PPWCONTROL, &control_port); @@ -484,57 +488,57 @@ int amt_jtagaccel_init(void) #if PARPORT_USE_GIVEIO == 1 if (amt_jtagaccel_get_giveio_access() != 0) { -#else /* PARPORT_USE_GIVEIO */ +#else /* PARPORT_USE_GIVEIO */ if (ioperm(amt_jtagaccel_port, 5, 1) != 0) { #endif /* PARPORT_USE_GIVEIO */ LOG_ERROR("missing privileges for direct i/o"); return ERROR_JTAG_INIT_FAILED; } - + /* prepare epp port */ /* clear timeout */ status_port = inb(amt_jtagaccel_port + 1); outb(status_port | 0x1, amt_jtagaccel_port + 1); - + /* reset epp port */ outb(0x00, amt_jtagaccel_port + 2); outb(0x04, amt_jtagaccel_port + 2); #endif - + if (rtck_enabled) - { + { /* set RTCK enable bit */ aw_control_fsm |= 0x02; } - + /* enable JTAG port */ aw_control_fsm |= 0x04; AMT_AW(aw_control_fsm); - + amt_jtagaccel_speed(jtag_speed); - + if (jtag_reset_config & RESET_TRST_OPEN_DRAIN) aw_control_rst &= ~0x8; else aw_control_rst |= 0x8; - + if (jtag_reset_config & RESET_SRST_PUSH_PULL) aw_control_rst &= ~0x2; else aw_control_rst |= 0x2; - + amt_jtagaccel_reset(0, 0); - + /* read status register */ AMT_AR(ar_status); LOG_DEBUG("AR_STATUS: 0x%2.2x", ar_status); - + return ERROR_OK; } int amt_jtagaccel_quit(void) { - + return ERROR_OK; } @@ -568,6 +572,6 @@ int amt_jtagaccel_handle_rtck_command(struct command_context_s *cmd_ctx, char *c rtck_enabled = 0; } } - + return ERROR_OK; }