On 09/20/2017 08:28 PM, matthew.gerlach@xxxxxxxxxxxxxxx wrote:
> From: Matthew Gerlach <matthew.gerlach@xxxxxxxxxxxxxxx>
>
> 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.gerlach@xxxxxxxxxxxxxxx>
> ---
> v2:
> minor checkpatch fixing by Wu Hao <hao.wu@xxxxxxxxx>
> 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
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