From: Michael Walle <mwalle@kernel.org>
To: Jaime Liao <jaimeliao.tw@gmail.com>
Cc: linux-mtd@lists.infradead.org, tudor.ambarus@linaro.org,
pratyush@kernel.org, miquel.raynal@bootlin.com,
leoyu@mxic.com.tw, jaimeliao@mxic.com.tw
Subject: Re: [PATCH v7 1/7] mtd: spi-nor: add Octal DTR support for Macronix flash
Date: Fri, 05 Jan 2024 14:12:48 +0100 [thread overview]
Message-ID: <51be5ac83c8cba2218536fe25325b8cf@kernel.org> (raw)
In-Reply-To: <20231221090702.103027-2-jaimeliao.tw@gmail.com>
> Create Macronix specify method for enable Octal DTR mode and
> set 20 dummy cycles to allow running at the maximum supported
> frequency for Macronix Octal flash.
>
> Use number of dummy cycles which is parse by SFDP then convert
> it to bit pattern and set in CR2 register.
> Set CR2 register for enable octal DTR mode.
>
> Use Read ID to confirm that enabling/diabling octal DTR mode
> was successful.
>
> Macronix ID format is A-A-B-B-C-C in octal DTR mode.
> To ensure the successful enablement of octal DTR mode, confirm
> that the 6-byte data is entirely correct.
>
> Signed-off-by: JaimeLiao <jaimeliao@mxic.com.tw>
> Co-developed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Acked-by: Michael Walle <mwalle@kernel.org>
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next prev parent reply other threads:[~2024-01-05 13:13 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-21 9:06 [PATCH v7 0/7] Add octal DTR support for Macronix flash Jaime Liao
2023-12-21 9:06 ` [PATCH v7 1/7] mtd: spi-nor: add Octal " Jaime Liao
2024-01-05 13:12 ` Michael Walle [this message]
2024-01-12 8:10 ` Tudor Ambarus
2023-12-21 9:06 ` [PATCH v7 2/7] spi: spi-mem: Allow specifying the byte order in DTR mode Jaime Liao
2024-01-05 12:48 ` Michael Walle
2024-01-12 8:29 ` Tudor Ambarus
2024-01-12 8:31 ` Michael Walle
2024-01-05 13:02 ` Michael Walle
2024-01-12 5:44 ` liao jaime
2024-01-12 8:15 ` Tudor Ambarus
2023-12-21 9:06 ` [PATCH v7 3/7] mtd: spi-nor: core: " Jaime Liao
2024-01-05 12:59 ` Michael Walle
2024-01-12 5:17 ` liao jaime
2024-01-12 8:31 ` Tudor Ambarus
2023-12-21 9:06 ` [PATCH v7 4/7] mtd: spi-nor: sfdp: Get the 8D-8D-8D byte order from BFPT Jaime Liao
2024-01-05 13:02 ` Michael Walle
2023-12-21 9:07 ` [PATCH v7 5/7] spi: mxic: Add support for swapping byte Jaime Liao
2024-01-05 12:37 ` Michael Walle
2024-01-12 5:14 ` liao jaime
2023-12-21 9:07 ` [PATCH v7 6/7] mtd: spi-nor: add support for Macronix Octal flash with RWW feature Jaime Liao
2024-01-05 13:07 ` Michael Walle
2024-01-12 8:42 ` Tudor Ambarus
2023-12-21 9:07 ` [PATCH v7 7/7] mtd: spi-nor: add support for Macronix Octal flash Jaime Liao
2024-01-05 13:11 ` Michael Walle
2024-01-12 5:47 ` liao jaime
2024-01-12 8:44 ` Tudor Ambarus
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