From: York Sun <yorksun@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] arm: ls102xa: Set fdt_high and initrd_high to the value of 0xffffffff
Date: Fri, 30 Oct 2015 09:17:56 -0700 [thread overview]
Message-ID: <56339834.7000200@freescale.com> (raw)
In-Reply-To: <1445839708-37309-1-git-send-email-b18965@freescale.com>
On 10/25/2015 11:08 PM, Alison Wang wrote:
> As 3G/1G user/kernel memory split is used on LS1021A, the Linux kernel
> fails to access the device tree blob on boot. The reason is that u-boot
> relocates the device tree blob into high memory when booting the kernel
> and the kernel is unable to access the blob.
>
> To avoid this issue, fdt_high is set to the value of 0xffffffff. The
> device tree blob will not get relocated and is still in low memory to
> make it accessible to the kernel.
>
> For the same reason, initrd_high is set to the value of 0xffffffff too.
>
> Signed-off-by: Alison Wang <alison.wang@freescale.com>
> ---
Applied to u-boot-fsl-qoriq. Awaiting upstream. Thanks.
York
prev parent reply other threads:[~2015-10-30 16:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-26 6:08 [U-Boot] [PATCH] arm: ls102xa: Set fdt_high and initrd_high to the value of 0xffffffff Alison Wang
2015-10-30 16:17 ` York Sun [this message]
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