Re: [PATCH v3 3/5] hw/block: Add Microchip's 25CSM04 to m25p80

[Miles Glenn]

Reviewed-by: Glenn Miles <milesg@linux.ibm.com>

-Glenn

On Thu, 2024-05-16 at 11:33 -0500, Chalapathi V wrote:
> Add Microchip's 25CSM04 Serial EEPROM to m25p80.  25CSM04 provides 4
> Mbits
> of Serial EEPROM utilizing the Serial Peripheral Interface (SPI)
> compatible
> bus. The device is organized as 524288 bytes of 8 bits each
> (512Kbyte) and
> is optimized for use in consumer and industrial applications where
> reliable
> and dependable nonvolatile memory storage is essential.
> 
> Signed-off-by: Chalapathi V <chalapathi.v@linux.ibm.com>
> ---
>  hw/block/m25p80.c | 3 +++
>  hw/ppc/Kconfig    | 1 +
>  2 files changed, 4 insertions(+)
> 
> diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
> index 8dec134832..824a6c5c60 100644
> --- a/hw/block/m25p80.c
> +++ b/hw/block/m25p80.c
> @@ -357,6 +357,9 @@ static const FlashPartInfo known_devices[] = {
>        .sfdp_read = m25p80_sfdp_w25q512jv },
>      { INFO("w25q01jvq",   0xef4021,      0,  64 << 10, 2048, ER_4K),
>        .sfdp_read = m25p80_sfdp_w25q01jvq },
> +
> +    /* Microchip */
> +    { INFO("25csm04",      0x29cc00,      0x100,  64 << 10,  8, 0)
> },
>  };
>  
>  typedef enum {
> diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig
> index 6f9670b377..a93430b734 100644
> --- a/hw/ppc/Kconfig
> +++ b/hw/ppc/Kconfig
> @@ -40,6 +40,7 @@ config POWERNV
>      select PCA9552
>      select PCA9554
>      select SSI
> +    select SSI_M25P80
>  
>  config PPC405
>      bool