diff options
Diffstat (limited to 'mpm/python/usrp_mpm/periph_manager/base.py')
| -rw-r--r-- | mpm/python/usrp_mpm/periph_manager/base.py | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/mpm/python/usrp_mpm/periph_manager/base.py b/mpm/python/usrp_mpm/periph_manager/base.py index 4e6d461d8..ef9e4b092 100644 --- a/mpm/python/usrp_mpm/periph_manager/base.py +++ b/mpm/python/usrp_mpm/periph_manager/base.py @@ -387,8 +387,12 @@ class PeriphManagerBase(object): xbar_index -- The index of the crossbar that's being queried. docstring for get_num_blocks""" - # FIXME - return int(open('/sys/class/rfnoc_crossbar/crossbar0/nports').read().strip()) - 3 + # FIXME udev lookup + xbar_sysfs_path = '/sys/class/rfnoc_crossbar/crossbar{}/nports'.format( + xbar_index + ) + return int(open(xbar_sysfs_path).read().strip()) - \ + self.get_base_port(xbar_index) @no_claim def get_base_port(self, xbar_index): @@ -401,5 +405,21 @@ class PeriphManagerBase(object): xbar_index -- The index of the crossbar that's being queried """ - return 3 # FIXME This is the same 3 as in get_num_blocks + return 3 # FIXME It's 3 because 0,1,2 are SFP,SFP,DMA + + def set_xbar_local_addr(self, xbar_index, local_addr): + """ + Program crossbar xbar_index to have the local address local_addr. + """ + # FIXME udev lookup + xbar_sysfs_path = '/sys/class/rfnoc_crossbar/crossbar{}/local_addr'.format( + xbar_index + ) + laddr_value = "0x{:X}".format(local_addr) + self.log.trace("Setting local address for xbar {} to {}.".format( + xbar_sysfs_path, laddr_value + )) + with open(xbar_sysfs_path, "w") as xbar_file: + xbar_file.write(laddr_value) + return True |