From: Sascha Hauer <s.hauer@pengutronix.de>
To: BAREBOX <barebox@lists.infradead.org>,
Michael Tretter <m.tretter@pengutronix.de>
Cc: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Subject: Re: [PATCH 0/5] arm: socfpga: agilex5: cleanup SDRAM initialization
Date: Fri, 05 Jun 2026 08:13:51 +0200 [thread overview]
Message-ID: <178064003159.1453075.16583214569331174653.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20260604-socfpga-axe5-sdram-init-v1-0-274f6361ce98@pengutronix.de>
On Thu, 04 Jun 2026 13:06:53 +0200, Michael Tretter wrote:
> The Agilex5 SDRAM initialization contains some obscure and unclear
> workarounds, which are supposedly necessary for a successful SDRAM
> initialization.
>
> I observed a race condition between the IOSSM firmware, which is
> responsible for the SDRAM initialization, and barebox. I assume this
> race is responsible for the observed initialization failures.
>
> [...]
Applied, thanks!
[1/5] arm: socfpga: agilex5: separate EL3 init function
https://git.pengutronix.de/cgit/barebox/commit/?id=f615446b218f (link may not be stable)
[2/5] arm: socfpga: agilex5: panic if DDR init failed
https://git.pengutronix.de/cgit/barebox/commit/?id=3791fb227199 (link may not be stable)
[3/5] arm: socfpga: iossm: add delay to wait for firmware
https://git.pengutronix.de/cgit/barebox/commit/?id=4296d8ae1181 (link may not be stable)
[4/5] arm: socfpga: agilex5: drop dual port hack
https://git.pengutronix.de/cgit/barebox/commit/?id=36ad90f489fb (link may not be stable)
[5/5] arm: socfpga: agilex5: drop bank select before ddr_init
https://git.pengutronix.de/cgit/barebox/commit/?id=6685029a7c78 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2026-06-05 6:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-04 11:06 Michael Tretter
2026-06-04 11:06 ` [PATCH 1/5] arm: socfpga: agilex5: separate EL3 init function Michael Tretter
2026-06-04 11:06 ` [PATCH 2/5] arm: socfpga: agilex5: panic if DDR init failed Michael Tretter
2026-06-04 11:06 ` [PATCH 3/5] arm: socfpga: iossm: add delay to wait for firmware Michael Tretter
2026-06-04 11:06 ` [PATCH 4/5] arm: socfpga: agilex5: drop dual port hack Michael Tretter
2026-06-04 11:06 ` [PATCH 5/5] arm: socfpga: agilex5: drop bank select before ddr_init Michael Tretter
2026-06-05 6:13 ` Sascha Hauer [this message]
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