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From: Sascha Hauer <s.hauer@pengutronix.de>
To: David Picard <david.picard@clermont.in2p3.fr>
Cc: BAREBOX <barebox@lists.infradead.org>
Subject: Re: [PATCH 06/11] boards: enclustra-sa2: read MAC address from EEPROM
Date: Thu, 18 Sep 2025 08:18:41 +0200	[thread overview]
Message-ID: <aMukQcvHZOMExEzw@pengutronix.de> (raw)
In-Reply-To: <20250917-boards-enclustra-sa2-add-support-v1-6-2de8f69107a1@clermont.in2p3.fr>

Hi David,

On Wed, Sep 17, 2025 at 05:22:09PM +0200, David Picard wrote:
> Signed-off-by: David Picard <david.picard@clermont.in2p3.fr>
> ---
>  arch/arm/boards/enclustra-sa2/Makefile    |   2 +-
>  arch/arm/boards/enclustra-sa2/atsha204a.c | 436 ++++++++++++++++++++++++++++++
>  arch/arm/boards/enclustra-sa2/atsha204a.h |  19 ++
>  arch/arm/boards/enclustra-sa2/board.c     |  51 +++-
>  arch/arm/boards/enclustra-sa2/crc16.c     |  65 +++++
>  arch/arm/boards/enclustra-sa2/crc16.h     |  28 ++
>  arch/arm/mach-socfpga/Kconfig             |   1 +
>  7 files changed, 598 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boards/enclustra-sa2/Makefile b/arch/arm/boards/enclustra-sa2/Makefile
> index 8c927fe291a6b3eb20a32a2db96c73f231ab4697..1448ea1266aa24a5b0404cb6379f8c2d76573079 100644
> --- a/arch/arm/boards/enclustra-sa2/Makefile
> +++ b/arch/arm/boards/enclustra-sa2/Makefile
> @@ -1,2 +1,2 @@
> -obj-y += lowlevel.o board.o
> +obj-y += lowlevel.o board.o atsha204a.o crc16.o
>  pbl-y += lowlevel.o
> diff --git a/arch/arm/boards/enclustra-sa2/atsha204a.c b/arch/arm/boards/enclustra-sa2/atsha204a.c
> new file mode 100644
> index 0000000000000000000000000000000000000000..3f445de06e73c5bdf27d2d0fc81dc6d939d5cd17
> --- /dev/null
> +++ b/arch/arm/boards/enclustra-sa2/atsha204a.c

This looks like you should rather adopt the Linux driver from
drivers/crypto/atmel-sha204a.c.

Maybe you can even create a NVMEM cell for the MAC address and then no
board specific code would be needed for retrieving the MAC.

Sascha

-- 
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  parent reply	other threads:[~2025-09-18  6:19 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-17 15:22 [PATCH 00/11] ARM: boards: add support for Enclustra Mercury SA2 David Picard
2025-09-17 15:22 ` [PATCH 01/11] Add handoff files David Picard
2025-09-17 15:22 ` [PATCH 02/11] Add Enclustra Mercury+ SA2 module David Picard
2025-09-18  6:21   ` Sascha Hauer
2025-09-17 15:22 ` [PATCH 03/11] Add Enclustra devicetree files David Picard
2025-09-17 15:22 ` [PATCH 04/11] ARM: dts: socfpga: use upstream SA2 device tree David Picard
2025-09-18  6:32   ` Sascha Hauer
2025-09-18 10:09     ` David Picard
2025-09-18 10:20       ` Ahmad Fatoum
2025-09-17 15:22 ` [PATCH 05/11] ARM: dts: socfpga: adapt " David Picard
2025-09-17 15:22 ` [PATCH 06/11] boards: enclustra-sa2: read MAC address from EEPROM David Picard
2025-09-17 17:06   ` Alexander Shiyan
2025-09-18  6:18   ` Sascha Hauer [this message]
2025-09-18 14:01     ` David Picard
2025-09-18 14:12       ` Sascha Hauer
2025-09-18 15:07         ` David Picard
2025-09-22 13:15           ` Sascha Hauer
2025-09-23  9:07             ` David Picard
2025-09-23  9:40               ` Sascha Hauer
2025-09-23 11:50                 ` David Picard
2025-09-23 15:31                   ` David Picard
2025-09-17 15:22 ` [PATCH 07/11] gpio: dw: support numbering via aliases David Picard
2025-09-18  6:35   ` Sascha Hauer
2025-09-17 15:22 ` [PATCH 08/11] gpio: dw: make deep probe compatible David Picard
2025-09-17 15:22 ` [PATCH 09/11] boards: enclustra-sa2: enable bridges David Picard
2025-09-18  6:37   ` Sascha Hauer
2025-09-17 15:22 ` [PATCH 10/11] boards: enclustra-sa2: configure SI5338 David Picard
2025-09-18  7:09   ` Sascha Hauer
2025-09-18 13:23     ` David Picard
2025-09-17 15:22 ` [PATCH 11/11] boards: enclustra-sa2: enable SI5338 David Picard

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