lkml.org 
[lkml]   [2022]   [Nov]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [RESEND PATCH v4 1/1] mtd: spi-nor: winbond: Add support for w25q01jvq
From
Dear maintainers,

This commit has been tested and running on OpenBMC for few months.
Please kindly help review and merge it, thank you.

Potin


On 11/11/22 14:05, Potin Lai wrote:
> From: Potin Lai <potin.lai@quantatw.com>
>
> Add support for winbond w25q01jvq chip
>
> Signed-off-by: Potin Lai <potin.lai@quantatw.com>
> Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
> Reviewed-by: Michael Walle <michael@walle.cc>
> Signed-off-by: Joel Stanley <joel@jms.id.au>
>
> ---
> LINK: [v3] https://lore.kernel.org/all/20220222085148.21594-1-potin.lai@quantatw.com/
> LINK: [v2] https://lore.kernel.org/all/20220222064227.16724-1-potin.lai@quantatw.com/
> LINK: [v1] https://lore.kernel.org/all/20211224104522.24615-1-potin.lai@quantatw.com/
>
> Changes v3 --> v4:
> - fix correct chip name "w25q01jvq"
>
> root@bletchley:~# cat /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/jedec_id
> ef4021
> root@bletchley:~# cat /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/manufacturer
> winbond
> root@bletchley:~# cat /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/partname
> w25q01jvq
> root@bletchley:~# md5sum /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/sfdp
> a7b9dbf76e99a33db99e557b6676588a /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/sfdp
> root@bletchley:~# hexdump -C /sys/devices/platform/ahb/1e620000.spi/spi_master/spi0/spi0.0/spi-nor/sfdp
> 00000000 53 46 44 50 06 01 01 ff 00 06 01 10 80 00 00 ff |SFDP............|
> 00000010 84 00 01 02 d0 00 00 ff 03 00 01 02 f0 00 00 ff |................|
> 00000020 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
> *
> 00000080 e5 20 fb ff ff ff ff 3f 44 eb 08 6b 08 3b 42 bb |. .....?D..k.;B.|
> 00000090 fe ff ff ff ff ff 00 00 ff ff 40 eb 0c 20 0f 52 |..........@.. .R|
> 000000a0 10 d8 00 00 36 02 a6 00 82 ea 14 e2 e9 63 76 33 |....6........cv3|
> 000000b0 7a 75 7a 75 f7 a2 d5 5c 19 f7 4d ff e9 70 f9 a5 |zuzu...\..M..p..|
> 000000c0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
> 000000d0 ff 0a f0 ff 21 ff dc ff |....!...|
> 000000d8
>
> Changes v2 --> v3:
> - move spi-nor flash information to comment area
>
> Changes v1 --> v2:
> - rework patch to work with new flags
> ---
> drivers/mtd/spi-nor/winbond.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c
> index ffaa24055259..e60ad92c0ace 100644
> --- a/drivers/mtd/spi-nor/winbond.c
> +++ b/drivers/mtd/spi-nor/winbond.c
> @@ -139,6 +139,8 @@ static const struct flash_info winbond_nor_parts[] = {
> { "w25q512jvq", INFO(0xef4020, 0, 64 * 1024, 1024)
> NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
> SPI_NOR_QUAD_READ) },
> + { "w25q01jvq", INFO(0xef4021, 0, 64 * 1024, 2048)
> + PARSE_SFDP },
> };
>
> /**

\
 
 \ /
  Last update: 2022-11-11 07:27    [W:0.059 / U:3.648 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site