On 09/20/2017 08:28 PM, matthew.gerl...@linux.intel.com wrote: > From: Matthew Gerlach <matthew.gerl...@linux.intel.com> > > This patch adds support for a spi-nor, platform driver for the > Altera ASMI Parallel II IP Core. The intended use case is to be able > to update the flash used to load a FPGA at power up with mtd-utils. > > Signed-off-by: Matthew Gerlach <matthew.gerl...@linux.intel.com> > --- > v2: > minor checkpatch fixing by Wu Hao <hao...@intel.com> > Use read_dummy value as suggested by Cyrille Pitchen. > Don't assume 4 byte addressing (Cryille Pichecn and Marek Vasut). > Fixed #define indenting as suggested by Marek Vasut. > Added units to timer values as suggested by Marek Vasut. > Use io(read|write)8_rep() as suggested by Marek Vasut. > Renamed function prefixed with __ as suggested by Marek Vasut.
[...] > +#define QSPI_ACTION_REG 0 > +#define QSPI_ACTION_RST BIT(0) > +#define QSPI_ACTION_EN BIT(1) > +#define QSPI_ACTION_SC BIT(2) > +#define QSPI_ACTION_CHIP_SEL_SFT 4 > +#define QSPI_ACTION_DUMMY_SFT 8 > +#define QSPI_ACTION_READ_BACK_SFT 16 > + > +#define QSPI_FIFO_CNT_REG 4 > +#define QSPI_FIFO_DEPTH 0x200 > +#define QSPI_FIFO_CNT_MSK 0x3ff > +#define QSPI_FIFO_CNT_RX_SFT 0 > +#define QSPI_FIFO_CNT_TX_SFT 12 > + > +#define QSPI_DATA_REG 0x8 > + > +#define QSPI_POLL_TIMEOUT_US 10000000 10 s poll timeout ? :) > +#define QSPI_POLL_INTERVAL_US 5 > + > +struct altera_asmip2 { [...] Otherwise looks good -- Best regards, Marek Vasut