[PATCH] [PATCH v3] mtd:spi-nor: Add Altera Quad SPI Driver

Rafał Miłecki zajec5 at gmail.com
Mon Mar 16 01:35:00 PDT 2015


On 16 March 2015 at 09:16,  <vndao at altera.com> wrote:
> +static struct flash_device flash_devices[] = {
> +       FLASH_ID("epcq16-nonjedec",  2, 0x15),
> +       FLASH_ID("epcq32-nonjedec",  2, 0x16),
> +       FLASH_ID("epcq64-nonjedec",  2, 0x17),
> +       FLASH_ID("epcq128-nonjedec", 2, 0x18),
> +       FLASH_ID("epcq256-nonjedec", 2, 0x19),
> +       FLASH_ID("epcq512-nonjedec", 2, 0x20),

You could probably use EPCQ_OPCODE_ID


> +
> +       FLASH_ID("epcs16-nonjedec",  1, 0x14),
> +       FLASH_ID("epcs64-nonjedec",  1, 0x16),
> +       FLASH_ID("epcs128-nonjedec", 1, 0x18),

And EPCS_OPCODE_ID here.


> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 43bb552..ad0c274 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -683,6 +683,17 @@ static const struct spi_device_id spi_nor_ids[] = {
>         { "cat25c09", CAT25_INFO( 128, 8, 32, 2, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
>         { "cat25c17", CAT25_INFO( 256, 8, 32, 2, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
>         { "cat25128", CAT25_INFO(2048, 8, 64, 2, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
> +
> +       /* Altera EPCQ/EPCS Flashes */
> +       { "epcq16-nonjedec",  INFO(0, 0, 0x10000, 32,   0) },
> +       { "epcq32-nonjedec",  INFO(0, 0, 0x10000, 64,   0) },
> +       { "epcq64-nonjedec",  INFO(0, 0, 0x10000, 128,  0) },
> +       { "epcq128-nonjedec", INFO(0, 0, 0x10000, 256,  0) },
> +       { "epcq256-nonjedec", INFO(0, 0, 0x10000, 512,  0) },
> +       { "epcq512-nonjedec", INFO(0, 0, 0x10000, 1024, 0) },
> +       { "epcs16-nonjedec",  INFO(0, 0, 0x10000, 32,   0) },
> +       { "epcs64-nonjedec",  INFO(0, 0, 0x10000, 128,  0) },
> +       { "epcs128-nonjedec", INFO(0, 0, 0x40000, 256,  0) },
>         { },
>  };

But mostly, I just wanted to say I like your integration with spi-nor.
Nice work :)

-- 
Rafał



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