Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1731335
| From | Bin Meng <bmeng.cn@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements |
| Date | 2017-09-13 04:20 +0200 |
| Message-ID | <up5rr-1gh-1@gated-at.bofh.it> (permalink) |
| References | <uotma-15R-3@gated-at.bofh.it> <up5rr-1gh-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Joakim, On Tue, Sep 12, 2017 at 1:44 AM, Joakim Tjernlund <Joakim.Tjernlund@infinera.com> wrote: > On Mon, 2017-09-11 at 02:41 -0700, Bin Meng wrote: >> This series does several bug fixes and clean ups against the intel-spi >> spi-nor driver, as well as enhancements to make the driver independent >> on the underlying BIOS/bootloader. >> >> At present the driver uses the HW sequencer for the read/write/erase on >> all supported platforms, read_reg/write_reg for BXT, and the SW sequencer >> for read_reg/write_reg for BYT/LPT. The way the driver uses the HW and SW >> sequencer relies on some programmed register settings and hence creates >> unneeded dependencies with the underlying BIOS/bootloader. For example, >> the driver unfortunately does not work as expected when booting from >> Intel Baytrail FSP based bootloaders like U-Boot, as the Baytrail FSP >> does not set up some SPI controller settings to make the driver happy. >> Now such limitation has been removed with this series. > > Hi Bin > > Just starting to test these on Rangeley and got a question: We have two SPI flashes on CS0 resp. CS1 > and the mtd driver seems to only map the first of those flashes. Is this intentional or > are we missing something? > All the boards I have tested only have one SPI flash. Mika, any comments? Regards, Bin
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements Bin Meng <bmeng.cn@gmail.com> - 2017-09-11 11:40 +0200
[PATCH v2 10/10] spi-nor: intel-spi: Fall back to use SW sequencer to erase Bin Meng <bmeng.cn@gmail.com> - 2017-09-11 11:40 +0200
[PATCH v2 02/10] spi-nor: intel-spi: Remove useless 'buf' parameter in the HW/SW cycle Bin Meng <bmeng.cn@gmail.com> - 2017-09-11 11:50 +0200
Re: [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements Bin Meng <bmeng.cn@gmail.com> - 2017-09-13 04:20 +0200
Re: [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements "mika.westerberg@linux.intel.com" <mika.westerberg@linux.intel.com> - 2017-09-13 11:50 +0200
csiph-web