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remote_csr: interpret length as CSR size, not number of bus words

This commit is contained in:
Sebastien Bourdeauducq 2017-08-31 13:34:48 +08:00
parent 0a5904bbaa
commit 9edff2c520
1 changed files with 6 additions and 4 deletions
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10
artiq/gateware/remote_csr.py
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@ -21,6 +21,7 @@ def _get_csr_data(csv_file):
def get_remote_csr_regions(offset, csv_file):
busword = 32
regions = []
for region_name, csrs_info in _get_csr_data(csv_file).items():
csrs_info = sorted(csrs_info, key=itemgetter(1))
@ -30,11 +31,12 @@ def get_remote_csr_regions(offset, csv_file):
for csr_name, address, length, ro in csrs_info:
if address != next_address:
raise ValueError("CSRs are not contiguous")
next_address += 4*length
nr = (length + busword - 1)//busword
next_address += nr*busword//8
if ro:
csr = CSRStatus(32*length, name=csr_name)
csr = CSRStatus(length, name=csr_name)
else:
csr = CSRStorage(32*length, name=csr_name)
csr = CSRStorage(length, name=csr_name)
csrs.append(csr)
regions.append((region_name, offset + origin, 32, csrs))
regions.append((region_name, offset + origin, busword, csrs))
return regions