From: York Sun <yorksun@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] powerpc/mpc85xx: Add workaround to enable TDM on T1040
Date: Wed, 11 Jun 2014 14:38:02 -0700 [thread overview]
Message-ID: <5398CC3A.3070506@freescale.com> (raw)
In-Reply-To: <1401974397-11979-1-git-send-email-Sandeep@freescale.com>
On 06/05/2014 06:19 AM, Sandeep Singh wrote:
> This is a workaround for 32 bit hardware limitation of TDM.
> T1040 has 36 bit physical addressing, TDM DMAC register
> are 32 bit wide but need to store address of CCSR space
> which lies beyond 32 bit address range. This workaround
> creats a LAW to enable access of TDM DMA to CCSR by
> mapping CCSR to overlap with DDR.
> A hole of 16M is created in memory using device tree. This
> workaround law is set only if "tdm" is defined in hwconfig.
> Also disable POST tests and add LIODN for TDM
>
> Signed-off-by: Sandeep Singh <Sandeep@freescale.com>
> Cc: York Sun <yorksun@freescale.com>
> ---
Applied to u-boot-mpc85xx. Sorry for the late notice.
York
prev parent reply other threads:[~2014-06-11 21:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-05 13:19 [U-Boot] [PATCH] powerpc/mpc85xx: Add workaround to enable TDM on T1040 Sandeep Singh
2014-06-11 21:38 ` York Sun [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5398CC3A.3070506@freescale.com \
--to=yorksun@freescale.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.