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From: Stephen Warren <swarren@wwwdotorg.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/6] ARM: tegra: Disable SPL and non-cached memory on 64-bit
Date: Fri, 20 Mar 2015 10:26:12 -0600	[thread overview]
Message-ID: <550C4A24.4020602@wwwdotorg.org> (raw)
In-Reply-To: <1426854262-1248-2-git-send-email-thierry.reding@gmail.com>

On 03/20/2015 06:24 AM, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.com>
>
> For 64-bit ARM SoCs we rely on non-U-Boot code to bring up the CPU in
> AArch64 mode so that we don't need the SPL. Non-cached memory is not
> implemented (yet) for 64-bit ARM.

> diff --git a/include/configs/tegra-common.h b/include/configs/tegra-common.h

> +#ifndef CONFIG_ARM64
>   #ifndef CONFIG_SPL_BUILD
>   #define CONFIG_USE_ARCH_MEMCPY
>   #endif
> +#endif

We don't need SPL, but that stanza used to enable ARCH_MEMCPY *except* 
for SPL. I would expect we still want ARCH_MEMCPY on ARM64, where 
presumably ifndef CONFIG_SPL_BUILD will always be true?

  reply	other threads:[~2015-03-20 16:26 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-20 12:24 [U-Boot] [PATCH 1/6] ARM: tegra: Prepare for 64-bit support Thierry Reding
2015-03-20 12:24 ` [U-Boot] [PATCH 2/6] ARM: tegra: Disable SPL and non-cached memory on 64-bit Thierry Reding
2015-03-20 16:26   ` Stephen Warren [this message]
2015-03-20 17:09     ` Tom Rini
2015-03-20 18:26       ` Stephen Warren
2015-03-20 12:24 ` [U-Boot] [PATCH 3/6] ARM: tegra: Use standard cache enable for 64-bit Thierry Reding
2015-03-20 12:24 ` [U-Boot] [PATCH 4/6] ARM: tegra: Restrict usable RAM to 32-bit on 64-bit SoCs Thierry Reding
2015-03-20 12:24 ` [U-Boot] [PATCH 5/6] ARM: tegra: Skip FDT and initrd relocation on 64-bit Thierry Reding
2015-03-20 12:24 ` [U-Boot] [PATCH 6/6] ARM: tegra: Make pinmux.h standalone includible Thierry Reding
2015-03-20 16:30   ` Stephen Warren
2015-03-20 16:24 ` [U-Boot] [PATCH 1/6] ARM: tegra: Prepare for 64-bit support Stephen Warren
2015-03-25  4:02   ` Masahiro Yamada

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