From: Mark Cave-Ayland <mark.cave-ayland@xxxxxxxxxxxx>
Date: Fri, 16 Jun 2017 13:17:01 +0100
> Right. I don't see a stick-frequency in a DT from a real Ultra 5, so I
> presume that this is specific to IIe?
Right, Ultra-5 is IIi which uses plain %tick.
IIe uses a special system tick based tick register in I/O space and
therefore has to have a stick-frequency.
Looking in the prtconfs GIT repo, we see:
[davem@dhcp-10-15-49-210 net-next]$ egrep IIe ../prtconfs/*
grep: ../prtconfs/mdesc: Is a directory
../prtconfs/netrat1_200: banner-name: 'Netra T1 200 (UltraSPARC-IIe 500MHz)'
../prtconfs/netrat1_200: name: 'SUNW,UltraSPARC-IIe'
../prtconfs/netrax1: banner-name: 'Sun Netra X1 (UltraSPARC-IIe 500MHz)'
../prtconfs/netrax1: name: 'SUNW,UltraSPARC-IIe'
../prtconfs/sb100: banner-name: 'Sun Blade 100 (UltraSPARC-IIe)'
../prtconfs/sb100: name: 'SUNW,UltraSPARC-IIe'
../prtconfs/v100: banner-name: 'Sun Fire V100 (UltraSPARC-IIe 500MHz)'
../prtconfs/v100: name: 'SUNW,UltraSPARC-IIe'
../prtconfs/v120: banner-name: 'Sun Fire V120 (UltraSPARC-IIe 500MHz)'
../prtconfs/v120: name: 'SUNW,UltraSPARC-IIe'
[davem@dhcp-10-15-49-210 net-next]$
and in 'sb100' we have:
stick-frequency: 0054c563
in the root node of the system.
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