Bug 468 - wishbone downconverter needed
Summary: wishbone downconverter needed
Status: RESOLVED FIXED
Alias: None
Product: Libre-SOC's first SoC
Classification: Unclassified
Component: Source Code (show other bugs)
Version: unspecified
Hardware: Other Linux
: --- enhancement
Assignee: Luke Kenneth Casson Leighton
URL:
Depends on:
Blocks: 11 383
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Reported: 2020-08-18 15:14 BST by Luke Kenneth Casson Leighton
Modified: 2021-12-09 13:41 GMT (History)
1 user (show)

See Also:
NLnet milestone: NLNet.2019.10.043.Wishbone
total budget (EUR) for completion of task and all subtasks: 200
budget (EUR) for this task, excluding subtasks' budget: 200
parent task for budget allocation: 249
child tasks for budget allocation:
The table of payments (in EUR) for this task; TOML format:
lkcl = { amount = 200, submitted = 2020-12-06, paid = 2020-12-06 }

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Description Luke Kenneth Casson Leighton 2020-08-18 15:14:59 BST 
a downconverter is needed for master devices of width 128 or 64 to access 64 or 32 bit slaves.
Comment 1 Luke Kenneth Casson Leighton 2020-08-18 15:15:38 BST 
Misoc, written in migen, contains both an upconverter and downconverter.
Comment 2 Luke Kenneth Casson Leighton 2020-08-18 17:54:50 BST 
suggestion from Dagi on #nmigen:
https://github.com/ECP5-PCIe/ECP5-Utils/blob/master/utils.py