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Groups > linux.kernel > #1296210
| From | Måns Rullgård <mans@mansr.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel |
| Date | 2015-12-21 22:10 +0100 |
| Message-ID | <qIfSq-3eT-13@gated-at.bofh.it> (permalink) |
| References | (16 earlier) <qHTfc-5yd-17@gated-at.bofh.it> <qHXiN-8gH-3@gated-at.bofh.it> <qIe0i-220-19@gated-at.bofh.it> <qIejE-28Y-9@gated-at.bofh.it> <qIfIJ-2Wh-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Andy Shevchenko <andriy.shevchenko@linux.intel.com> writes: >> > 4. CHECK: PROTCTL bit (documentation says that recommended value is >> > 0x01) >> >> Any idea what the value of 0x3 used by the old sata driver means? >> Presumably that's decided by the bus. > > Nope, documentation says that it is direct representation of hprot[3:1] > wires on the master interface. Also it refers to AMBA spec, so, if you > have access to AMBA spec I think we might get it from there. That's assuming AMCC didn't change something. >> > 5. CHECK: Other bits in CFG register (FIFO_MODE, FCMODE) >> > 6. CHECK: Block interrupts vs. one interrupt at the end of block >> > chain >> > (Måns, I missed how any of them is ignored) >> >> The interrupt handler looks at the StatusTfr and StatusErr registers >> and ignores StatusBlock. > > I have to refresh my memory, since BLOCK interrupts should be enabled > (unmasked) separately. I have forgotten which type of interrupt is > generated in this case, BLOCK, or XFER after each block, or only one > XFER at the last block (LLP.LOC = 0) and BLOCK are ignored. So, will > check later. I interpreted the, admittedly a bit vague, documentation as meaning BLOCK interrupts are signalled after each block and XFER interrupts after the last block. >> > 7. AR: Test everything on Intel SoCs such as Baytrail, CherryTrail, >> > etc (SPI, UART, dmatest), AVR32 (MMC, dmatest), PPC 460EX (Onboard >> > SATA) >> >> I can test on AVR32. That is as far as I know the only system I have >> with this DMA engine. > > If you have Intel Haswell, BayTrail, Braswell, CherryTrail, Broadwell, > you have it as well as long you have LPSS block there. (Most of them > are Atoms). I don't have any of those (or any Atom hardware). -- Måns Rullgård -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Mans Rullgard <mans@mansr.com> - 2015-12-16 00:30 +0100
[PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Mans Rullgard <mans@mansr.com> - 2015-12-16 00:30 +0100
Re: [PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 16:10 +0100
Re: [PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Måns Rullgård <mans@mansr.com> - 2015-12-17 16:20 +0100
Re: [PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 16:40 +0100
Re: [PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Måns Rullgård <mans@mansr.com> - 2015-12-17 17:00 +0100
[PATCH 2/3] ata: sata_dwc_460ex: add phy support Mans Rullgard <mans@mansr.com> - 2015-12-16 00:30 +0100
Re: [PATCH 2/3] ata: sata_dwc_460ex: add phy support Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-12-16 12:20 +0100
Re: [PATCH 2/3] ata: sata_dwc_460ex: add phy support Måns Rullgård <mans@mansr.com> - 2015-12-16 12:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-16 00:40 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 16:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-17 16:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 17:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-17 17:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 18:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-17 19:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-17 20:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-18 02:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 02:40 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 11:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 12:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-18 12:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 13:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 13:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 13:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 18:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 19:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 23:40 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 00:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-19 03:40 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 16:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 17:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-19 18:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 18:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-19 18:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-19 18:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 18:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 20:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-19 21:40 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 21:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-19 21:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-20 18:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-20 18:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-20 19:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-20 19:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-20 21:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-20 22:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 02:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 20:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 20:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 22:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 22:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-22 01:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-22 12:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 18:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 18:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-21 19:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 19:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 19:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 20:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 20:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 20:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 20:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 21:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 21:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 21:40 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 19:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 01:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 02:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 02:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-21 09:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 13:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-21 18:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 19:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 20:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 21:00 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 13:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 14:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 16:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 17:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 19:20 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-18 13:40 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 13:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 15:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 15:30 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 13:50 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Julian Margetson <runaway@candw.ms> - 2015-12-17 19:10 +0100
Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 16:00 +0100
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