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-rw-r--r--mpm/python/usrp_mpm/dboard_manager/magnesium.py37
1 files changed, 19 insertions, 18 deletions
diff --git a/mpm/python/usrp_mpm/dboard_manager/magnesium.py b/mpm/python/usrp_mpm/dboard_manager/magnesium.py
index 80e058597..0253170f6 100644
--- a/mpm/python/usrp_mpm/dboard_manager/magnesium.py
+++ b/mpm/python/usrp_mpm/dboard_manager/magnesium.py
@@ -172,18 +172,19 @@ class MgCPLD(object):
Control class for the CPLD
"""
CPLD_SIGNATURE = 0xCAFE # Expected signature ("magic number")
- CPLD_REV = 4
+ CPLD_MINOR_REV = 0
+ CPLD_MAJOR_REV = 5
REG_SIGNATURE = 0x0000
- REG_REVISION = 0x0001
- REG_OLDEST_COMPAT = 0x0002
+ REG_MINOR_REVISION = 0x0001
+ REG_MAJOR_REVISION = 0x0002
REG_BUILD_CODE_LSB = 0x0003
REG_BUILD_CODE_MSB = 0x0004
- REG_SCRATCH = 0x0005
+ REG_SCRATCH = 0x0005
REG_CPLD_CTRL = 0x0010
- REG_LMK_CTRL = 0x0011
+ REG_LMK_CTRL = 0x0011
REG_LO_STATUS = 0x0012
- REG_MYK_CTRL = 0x0013
+ REG_MYK_CTRL = 0x0013
def __init__(self, regs, log):
self.log = log.getChild("CPLD")
@@ -197,24 +198,24 @@ class MgCPLD(object):
"CPLD Signature Mismatch! " \
"Expected: 0x{:04X} Got: 0x{:04X}".format(
self.CPLD_SIGNATURE, signature))
- raise RuntimeError("CPLD Status Check Failed!")
- rev = self.peek16(self.REG_REVISION)
- oldest_compat_rev = self.peek16(self.REG_OLDEST_COMPAT)
- if oldest_compat_rev != self.CPLD_REV:
+ raise RuntimeError("CPLD Signature Check Failed! Incorrect signature readback.")
+ minor_rev = self.peek16(self.REG_MINOR_REVISION)
+ major_rev = self.peek16(self.REG_MAJOR_REVISION)
+ if major_rev != self.CPLD_MAJOR_REV:
self.log.error(
- "CPLD Revision compat mismatch! Expected: %d Got: %d",
- self.CPLD_REV,
- oldest_compat_rev
+ "CPLD Major Revision check mismatch! Expected: %d Got: %d",
+ self.CPLD_MAJOR_REV,
+ major_rev
)
- raise RuntimeError("CPLD Revision Check Failed!")
+ raise RuntimeError("CPLD Revision Check Failed! MPM is not compatible with " \
+ "the loaded CPLD image.")
date_code = self.peek16(self.REG_BUILD_CODE_LSB) | \
(self.peek16(self.REG_BUILD_CODE_MSB) << 16)
self.log.debug(
- "CPLD Signature: 0x{:X} "
- "Revision: 0x{:04X} "
- "Oldest compat rev: 0x{:04X} "
+ "CPLD Signature: 0x{:04X} "
+ "Revision: {}.{} "
"Date code: 0x{:08X}"
- .format(signature, rev, oldest_compat_rev, date_code))
+ .format(signature, major_rev, minor_rev, date_code))
def set_scratch(self, val):
" Write to the scratch register "