Messages in this thread | | | Subject | Re: [PATCH v1 2/2] spi: cadence-qspi: Add QSPI support for Intel LGM SoC | From | "Ramuthevar, Vadivel MuruganX" <> | Date | Wed, 18 Sep 2019 13:59:06 +0800 |
| |
Hi Mark,
Thank you for the review comments.
On 17/9/2019 11:36 PM, Mark Brown wrote: > On Tue, Sep 17, 2019 at 10:11:28AM +0800, Ramuthevar, Vadivel MuruganX wrote: > >> * spi-cadence.c* in *drivers/spi/*, which supports very old legacy >> cadence-spi based devices(normal) >> * cadence-quadspi.c(drivers/mtd/spi-nor/)* : specific support to SPI-NOR >> flash with new spi-nor layer. >> all the API's in this driver purely on spi-nor specific, so couldn't >> proceed to adapt. > Are these completely separate IPs or are they just different versions of > the same IP?
These are same IPs , but different features Enabled/Disabled depends upon the SoC vendors.
for e.g: Intel LGM SoC uses the same IP, but without DMA and Direct access controller.
also dedicated support to flash devices.
Best regards
Vadivel
| |