From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2] nios2: set default cache configuration in start.S
Date: Fri, 9 Oct 2015 16:39:33 +0200 [thread overview]
Message-ID: <201510091639.33483.marex@denx.de> (raw)
In-Reply-To: <1444392708-31971-1-git-send-email-thomas@wytron.com.tw>
On Friday, October 09, 2015 at 02:11:48 PM, Thomas Chou wrote:
> Set default icache and dcache configuration for start.S.
>
> We want to remove the CONFIG_SYS_{I,D}CACHE_SIZE...
> configuration macros. As we are just barely starting from
> reset, there is no luxury of device tree.
>
> We will set some maximum cache configuration so that it will
> work for most configurations. This is used only in this
> start.S. The speed penalty is only once here.
>
> After start up, during board initialization, cpu information
> will be extracted from device tree. Then cache flush operations
> will have correct cache configurations.
>
> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Marek Vasut <marex@denx.de>
Best regards,
Marek Vasut
next prev parent reply other threads:[~2015-10-09 14:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-06 8:21 [U-Boot] [PATCH] nios2: set default cache configuration in start.S Thomas Chou
2015-10-08 21:14 ` Marek Vasut
2015-10-09 9:03 ` Thomas Chou
2015-10-09 14:39 ` Marek Vasut
2015-10-10 12:21 ` Thomas Chou
2015-10-10 18:10 ` Marek Vasut
2015-10-09 12:11 ` [U-Boot] [PATCH v2] " Thomas Chou
2015-10-09 14:39 ` Marek Vasut [this message]
2015-10-13 13:20 ` Thomas Chou
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