From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] armv7m: Disable D-cache when booting nommu(ARMv7M) Linux kernel
Date: Sat, 10 Jun 2017 09:46:50 -0400 [thread overview]
Message-ID: <20170610134650.GA10782@bill-the-cat> (raw)
In-Reply-To: <20170604161808.26222-1-tnishinaga.dev@gmail.com>
On Mon, Jun 05, 2017 at 01:18:08AM +0900, tnishinaga.dev at gmail.com wrote:
> Disable D-Cache is required when booting nommu Linux kernel.
> (please see Linux kernel source "arch/arm/kernel/head-nommu.S")
>
> U-Boot is enabled D-cache and I-Cache at startup.
> However, it does not disable D-Cache before
> booting nommu Linux kernel.
> Therefore, I call dcache_disable()
> when the CPU is ARMv7M to fix this problem.
>
> Signed-off-by: Toshifumi NISHINAGA <tnishinaga.dev@gmail.com>
Applied to u-boot/master, thanks!
--
Tom
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prev parent reply other threads:[~2017-06-10 13:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-04 16:18 [U-Boot] [PATCH] armv7m: Disable D-cache when booting nommu(ARMv7M) Linux kernel Toshifumi NISHINAGA
2017-06-10 13:46 ` Tom Rini [this message]
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