From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] arm: Add and select CONFIG_ARMV7
Date: Tue, 8 Dec 2015 14:39:50 +0100 [thread overview]
Message-ID: <201512081439.50797.marex@denx.de> (raw)
In-Reply-To: <1449580866-6006-1-git-send-email-marex@denx.de>
On Tuesday, December 08, 2015 at 02:21:06 PM, Marek Vasut wrote:
> The arch/arm/lib/cache-cp15.c checks for CONFIG_ARMV7 and if this macro is
> set, it configures TTBR0 register. This register must be configured for the
> cache on ARMv7 to operate correctly.
>
> The problem is that noone actually sets the CONFIG_ARMV7 macro and thus the
> TTBR0 is not configured at all. On SoCFPGA, this produces all sorts of
> minor issues which are hard to replicate, for example certain USB sticks
> are not detected or QSPI NOR sometimes fails to write pages completely.
>
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Tom Rini <trini@konsulko.com>
> Cc: Albert Aribaud <albert.u.boot@aribaud.net>
> Cc: Simon Glass <sjg@chromium.org>
Please ignore, after discussing this on IRC, we decided on doing
s/CONFIG_ARMV7/CONFIG_CPU_V7/g instead.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2015-12-08 13:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-08 13:21 [U-Boot] [PATCH] arm: Add and select CONFIG_ARMV7 Marek Vasut
2015-12-08 13:39 ` Marek Vasut [this message]
2015-12-08 16:20 ` Wolfgang Denk
2015-12-10 2:21 ` Tom Rini
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