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| author | Jordan Niethe <jpn@ozlabs.au.ibm.com> | 2021-08-04 12:51:11 +0530 |
|---|---|---|
| committer | Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2021-08-06 12:25:58 +0530 |
| commit | 7a93eccd43b948dd2feb411874e4ddcf8898133d (patch) | |
| tree | dda66a6f07fc88d6b8542a0ea3ccb758c185d41c /doc/opal-api | |
| parent | e62291f3d9f529032c5aacbaaad4d4738f879640 (diff) | |
| download | skiboot-7a93eccd43b948dd2feb411874e4ddcf8898133d.zip skiboot-7a93eccd43b948dd2feb411874e4ddcf8898133d.tar.gz skiboot-7a93eccd43b948dd2feb411874e4ddcf8898133d.tar.bz2 | |
hw/phb5: Add initial support
The PHB5 logic on P10 is pretty close to the P9's version. So
we keep our base phb4 implementation and just add the few changes
within if statements.
Signed-off-by: Jordan Niethe <jpn@ozlabs.au.ibm.com>
[clg: misc cleanups and fixes ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[Fixed compilation issue - Vasant]
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
[Nick: Unify PHB4/PHB5 drivers ]
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[Mikey: set default lane eq settings for phb5]
Signed-off-by: Michael Neuling <mikey@neuling.org>
[FB: squash commits + small cleanup ]
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Diffstat (limited to 'doc/opal-api')
| -rw-r--r-- | doc/opal-api/opal-pci-set-phb-capi-mode-93.rst | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/opal-api/opal-pci-set-phb-capi-mode-93.rst b/doc/opal-api/opal-pci-set-phb-capi-mode-93.rst index ffc4c6d..130e382 100644 --- a/doc/opal-api/opal-pci-set-phb-capi-mode-93.rst +++ b/doc/opal-api/opal-pci-set-phb-capi-mode-93.rst @@ -66,10 +66,11 @@ Notes allocate extra 16/8 dma read engines to the PHB depending on its stack (stack 0/ stack 1). This is needed to improve the Direct-GPU DMA read performance for the Mellanox CX5 card. -* Mode `OPAL_PHB_CAPI_MODE_PCIE` not yet supported on Power-9. +* Mode `OPAL_PHB_CAPI_MODE_PCIE` not supported on Power-9. * Requesting mode `OPAL_PHB_CAPI_MODE_CAPI` on Power-9 will disable fast-reboot. * Modes `OPAL_PHB_CAPI_MODE_DMA`, `OPAL_PHB_CAPI_MODE_SNOOP_OFF` are - not supported on Power-9 yet. + not supported on Power-9. +* CAPI is only supported on Power-8 and Power-9. Return Codes ------------ |