diff options
Diffstat (limited to 'mpm/tools/program_x4xx_clkaux_lmk05318.py')
| -rw-r--r-- | mpm/tools/program_x4xx_clkaux_lmk05318.py | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/mpm/tools/program_x4xx_clkaux_lmk05318.py b/mpm/tools/program_x4xx_clkaux_lmk05318.py new file mode 100644 index 000000000..69222a14e --- /dev/null +++ b/mpm/tools/program_x4xx_clkaux_lmk05318.py @@ -0,0 +1,90 @@ +#!/usr/bin/python3 +""" +Script for programming lmk05318 on the clocking aux board +""" +# pylint: disable=no-member + +import time +import argparse +import re +from uhd.utils.mpmtools import MPMClient, MPM_RPC_PORT, InitMode + +DESCRIPTION_TEST = '''reads LMK register file generated by TICS Pro and writes via mpm_shell + the commands on the USRP given by the --host parameter.''' +parser = argparse.ArgumentParser(epilog=DESCRIPTION_TEST, + formatter_class=argparse.RawDescriptionHelpFormatter) +parser.add_argument('reg_file', help='LMK register config file') +parser.add_argument('--host', default="localhost", + help='USRP host to be programmed, usrp-hwd must run there') +parser.add_argument('-p', '--program_to_eeprom', action='store_true', + help='write config to eeprom, be careful, only 100 write-cycles are supported') +parser.add_argument('-v', '--verify_eeprom', action='store_true', + help='read config from eeprom and compares it to given reg_file') + +args = parser.parse_args() + +def parse_reg_file(file): + """ + Parse the register values from the provided register config file + """ + regfile_regex = re.compile(r"^R(\d*)\t(0x[0-9A-F]*)") + reg_dict = {} + for line in open(file, 'r').readlines(): + if regfile_regex.match(line): + [reg_str, reg_val] = line.strip().split('\t') + reg_val = reg_val.split('0x')[1] + reg_addr = reg_val[:4] + reg_data = reg_val[4:] + reg_dict[reg_str] = (hex(int(reg_addr, base=16)), hex(int(reg_data, base=16))) + return reg_dict + +mpm_c = MPMClient(InitMode.Claim, "localhost", MPM_RPC_PORT) + +# read the register file containing the actual values to be programmed +print("read register values from {}".format(args.reg_file)) +prog_regs = parse_reg_file(args.reg_file) + +print("start programming the LMK registers") +mpm_c.clkaux_set_nsync_lmk_power_en(1) +mpm_c.clkaux_set_nsync_tcxo_en(1) +if not mpm_c.clkaux_get_nsync_chip_id_valid(): + raise RuntimeError("chip ID of LMK is not valid, skip programming") +print('EEPROM has been programmed {} times'.format( + mpm_c.clkaux_get_nsync_lmk_eeprom_prog_cycles())) + +# now write the commands to program the LMK +for reg in prog_regs: + mpm_c.poke_clkaux(int(prog_regs[reg][0], 16), int(prog_regs[reg][1], 16)) + val = mpm_c.peek_clkaux(int(prog_regs[reg][0], 16)).lower() + if prog_regs[reg][1] != val: + print("warning, reg values are not as programmed: addr: {}, prog: {}, read: {}" + .format(prog_regs[reg][0], prog_regs[reg][1], val)) + +if args.program_to_eeprom: + print("programming register values into EEPROM") + print('EEPROM has been programmed {} times'.format( + mpm_c.clkaux_get_nsync_lmk_eeprom_prog_cycles())) + mpm_c.clkaux_write_nsync_lmk_cfg_regs_to_eeprom("register_commit") + mpm_c.clkaux_set_nsync_soft_reset(True) + mpm_c.clkaux_set_nsync_soft_reset(False) + mpm_c.clkaux_set_nsync_lmk_power_en(0) + print("programming of LMK done, chip is powered down") + +if args.verify_eeprom: + time.sleep(1) + VERIFY_OK = True + print("start verification of EEPROM, powering chip up") + mpm_c.clkaux_set_nsync_lmk_power_en(1) + mpm_c.clkaux_set_nsync_tcxo_en(1) + if not mpm_c.clkaux_get_nsync_chip_id_valid(): + raise RuntimeError("chip ID of LMK is not valid, skip verifying") + for reg in prog_regs: + val = mpm_c.peek_clkaux(int(prog_regs[reg][0], 16)).lower() + if str(prog_regs[reg][1]) != val: + VERIFY_OK = False + print("warning, reg values are not as programmed: addr: {}, prog: {}, read: {}" + .format(prog_regs[reg][0], prog_regs[reg][1], val)) + if VERIFY_OK: + print("SUCCESS: read back values are equal to programmed values") + else: + print("ERROR: EEPROM verification failed!") |