X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fpld%2Fvirtex2.c;h=5a0694218d80b716477cbf1a73658dae2a10c00c;hp=45c39ae43fe80a84ce068346ba8682473f556730;hb=a1777c6bcff357d5744fe4b09633bc0363dd53e6;hpb=d47e1b8f362379d8a2307f49e2b42115a3f40524 diff --git a/src/pld/virtex2.c b/src/pld/virtex2.c index 45c39ae43f..5a0694218d 100644 --- a/src/pld/virtex2.c +++ b/src/pld/virtex2.c @@ -43,30 +43,31 @@ pld_driver_t virtex2_pld = .load = virtex2_load, }; -int virtex2_set_instr(int chain_pos, u32 new_instr) +int virtex2_set_instr(jtag_tap_t *tap, u32 new_instr) { - jtag_device_t *device = jtag_get_device(chain_pos); - - if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr) + if (tap==NULL) + return ERROR_FAIL; + + if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr) { scan_field_t field; - - field.device = chain_pos; - field.num_bits = device->ir_length; + + field.tap = tap; + field.num_bits = tap->ir_length; field.out_value = calloc(CEIL(field.num_bits, 8), 1); buf_set_u32(field.out_value, 0, field.num_bits, new_instr); - field.out_mask = NULL; + field.in_value = NULL; - field.in_check_value = NULL; - field.in_check_mask = NULL; + + field.in_handler = NULL; - field.in_handler_priv = NULL; - - jtag_add_ir_scan(1, &field, TAP_RTI); - + + + jtag_add_ir_scan(1, &field, TAP_IDLE); + free(field.out_value); } - + return ERROR_OK; } @@ -76,82 +77,71 @@ int virtex2_send_32(struct pld_device_s *pld_device, int num_words, u32 *words) scan_field_t scan_field; u8 *values; int i; - + values = malloc(num_words * 4); - scan_field.device = virtex2_info->chain_pos; + scan_field.tap = virtex2_info->tap; scan_field.num_bits = num_words * 32; scan_field.out_value = values; - scan_field.out_mask = NULL; scan_field.in_value = NULL; - scan_field.in_check_value = NULL; - scan_field.in_check_mask = NULL; scan_field.in_handler = NULL; - scan_field.in_handler_priv = NULL; - + for (i = 0; i < num_words; i++) buf_set_u32(values + 4 * i, 0, 32, flip_u32(*words++, 32)); - - virtex2_set_instr(virtex2_info->chain_pos, 0x5); /* CFG_IN */ - - jtag_add_dr_scan(1, &scan_field, TAP_PD); - + + virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */ + + jtag_add_dr_scan(1, &scan_field, TAP_DRPAUSE); + free(values); - - return ERROR_OK; -} -int virtex2_jtag_buf_to_u32(u8 *in_buf, void *priv, struct scan_field_s *field) -{ - u32 *dest = priv; - *dest = flip_u32(le_to_h_u32(in_buf), 32); return ERROR_OK; } + int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *words) { virtex2_pld_device_t *virtex2_info = pld_device->driver_priv; scan_field_t scan_field; - - scan_field.device = virtex2_info->chain_pos; + + scan_field.tap = virtex2_info->tap; scan_field.num_bits = 32; scan_field.out_value = NULL; - scan_field.out_mask = NULL; - scan_field.in_value = NULL; - scan_field.in_check_value = NULL; - scan_field.in_check_mask = NULL; - scan_field.in_handler = virtex2_jtag_buf_to_u32; - - virtex2_set_instr(virtex2_info->chain_pos, 0x4); /* CFG_OUT */ - + u8 tmp[4]; + scan_field.in_value = tmp; + scan_field.in_handler = NULL; + + virtex2_set_instr(virtex2_info->tap, 0x4); /* CFG_OUT */ + while (num_words--) { - scan_field.in_handler_priv = words++; - jtag_add_dr_scan(1, &scan_field, TAP_PD); + jtag_add_dr_scan_now(1, &scan_field, TAP_DRPAUSE); + + *words++=flip_u32(le_to_h_u32(tmp), 32); } - + return ERROR_OK; } int virtex2_read_stat(struct pld_device_s *pld_device, u32 *status) { u32 data[5]; - - jtag_add_statemove(TAP_TLR); - + + jtag_add_tlr(); + data[0] = 0xaa995566; /* synch word */ data[1] = 0x2800E001; /* Type 1, read, address 7, 1 word */ data[2] = 0x20000000; /* NOOP (Type 1, read, address 0, 0 words */ data[3] = 0x20000000; /* NOOP */ data[4] = 0x20000000; /* NOOP */ virtex2_send_32(pld_device, 5, data); - + virtex2_receive_32(pld_device, 1, status); - + jtag_execute_queue(); - + LOG_DEBUG("status: 0x%8.8x", *status); - + return ERROR_OK; } @@ -160,48 +150,48 @@ int virtex2_load(struct pld_device_s *pld_device, char *filename) virtex2_pld_device_t *virtex2_info = pld_device->driver_priv; xilinx_bit_file_t bit_file; int retval; - int i; + unsigned int i; scan_field_t field; - field.device = virtex2_info->chain_pos; - field.out_mask = NULL; + field.tap = virtex2_info->tap; + field.in_value = NULL; - field.in_check_value = NULL; - field.in_check_mask = NULL; + + field.in_handler = NULL; - field.in_handler_priv = NULL; - + + if ((retval = xilinx_read_bit_file(&bit_file, filename)) != ERROR_OK) return retval; - - jtag_add_end_state(TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0xb); /* JPROG_B */ + + jtag_add_end_state(TAP_IDLE); + virtex2_set_instr(virtex2_info->tap, 0xb); /* JPROG_B */ jtag_execute_queue(); jtag_add_sleep(1000); - - virtex2_set_instr(virtex2_info->chain_pos, 0x5); /* CFG_IN */ + + virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */ jtag_execute_queue(); - + for (i = 0; i < bit_file.length; i++) bit_file.data[i] = flip_u32(bit_file.data[i], 8); - + field.num_bits = bit_file.length * 8; field.out_value = bit_file.data; - jtag_add_dr_scan(1, &field, TAP_PD); + jtag_add_dr_scan(1, &field, TAP_DRPAUSE); jtag_execute_queue(); - - jtag_add_statemove(TAP_TLR); - - jtag_add_end_state(TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */ - jtag_add_runtest(13, TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */ - virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */ - virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */ - jtag_add_runtest(13, TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */ + + jtag_add_tlr(); + + jtag_add_end_state(TAP_IDLE); + virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */ + jtag_add_runtest(13, TAP_IDLE); + virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */ + virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */ + virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */ + jtag_add_runtest(13, TAP_IDLE); + virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */ jtag_execute_queue(); return ERROR_OK; @@ -212,13 +202,13 @@ int virtex2_handle_read_stat_command(struct command_context_s *cmd_ctx, char *cm pld_device_t *device; virtex2_pld_device_t *virtex2_info; u32 status; - + if (argc < 1) { command_print(cmd_ctx, "usage: virtex2 read_stat "); return ERROR_OK; } - + device = get_pld_device_by_num(strtoul(args[0], NULL, 0)); if (!device) { @@ -227,11 +217,11 @@ int virtex2_handle_read_stat_command(struct command_context_s *cmd_ctx, char *cm } virtex2_info = device->driver_priv; - + virtex2_read_stat(device, &status); - + command_print(cmd_ctx, "virtex2 status register: 0x%8.8x", status); - + return ERROR_OK; } @@ -247,18 +237,25 @@ int virtex2_register_commands(struct command_context_s *cmd_ctx) int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device) { + jtag_tap_t *tap; + virtex2_pld_device_t *virtex2_info; - + if (argc < 2) { LOG_WARNING("incomplete pld device 'virtex2' configuration"); return ERROR_PLD_DEVICE_INVALID; } - + + tap = jtag_TapByString( args[1] ); + if( tap == NULL ){ + command_print( cmd_ctx, "Tap: %s does not exist", args[1] ); + return ERROR_OK; + } + virtex2_info = malloc(sizeof(virtex2_pld_device_t)); pld_device->driver_priv = virtex2_info; - - virtex2_info->chain_pos = strtoul(args[1], NULL, 0); - + virtex2_info->tap = tap; + return ERROR_OK; }