From: Tom Rini <trini@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 3/6] SPL: Port SPL framework to powerpc
Date: Thu, 23 Aug 2012 14:39:35 -0700 [thread overview]
Message-ID: <5036A317.7020908@ti.com> (raw)
In-Reply-To: <1345709565-28862-4-git-send-email-sr@denx.de>
On 08/23/2012 01:12 AM, Stefan Roese wrote:
> This patch enables the SPL framework to be used on powerpc platforms
> and not only ARM.
[snip]
> +#ifdef CONFIG_ARM
> gd = &gdata;
> +#endif
So, here's what I don't understand. On ARM, in general, we can't rely
on the global data pointer register (r8) to be set to a useful value, so
we do the above to ensure it points to something useful. Are you always
able to rely on r2 it looks like pointing to something useful? Or do
you take care of this much earlier on in powerpc? Thanks!
--
Tom
next prev parent reply other threads:[~2012-08-23 21:39 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-23 8:12 [U-Boot] [PATCH 0/6] SPL: Port SPL framework to powerpc Stefan Roese
2012-08-23 8:12 ` [U-Boot] [PATCH 1/6] SPL: Add NOR flash booting support Stefan Roese
2012-08-23 15:07 ` Tom Rini
2012-08-23 15:19 ` Stefan Roese
2012-08-23 8:12 ` [U-Boot] [PATCH 2/6] powerpc: Extract EPAPR_MAGIC constants into processor.h Stefan Roese
2012-08-23 8:12 ` [U-Boot] [PATCH 3/6] SPL: Port SPL framework to powerpc Stefan Roese
2012-08-23 17:10 ` Tom Rini
2012-08-23 18:16 ` Stefan Roese
2012-08-23 19:31 ` Tom Rini
2012-08-24 8:17 ` Stefan Roese
2012-08-24 10:17 ` Heiko Schocher
2012-08-24 10:56 ` Stefan Roese
2012-08-24 11:13 ` Stefan Roese
2012-08-24 11:49 ` Daniel Schwierzeck
2012-08-24 14:11 ` Stefan Roese
2012-08-24 15:29 ` Daniel Schwierzeck
2012-08-24 16:06 ` Stefan Roese
2012-08-24 16:42 ` Daniel Schwierzeck
2012-08-24 17:24 ` Stefan Roese
2012-08-24 22:13 ` Daniel Schwierzeck
2012-08-24 19:15 ` Tom Rini
2012-08-25 8:48 ` Stefan Roese
2012-08-23 21:39 ` Tom Rini [this message]
2012-08-24 7:01 ` Stefan Roese
2012-08-24 15:55 ` Tom Rini
2012-08-24 16:07 ` Stefan Roese
2012-08-24 16:19 ` Tom Rini
2012-08-24 17:21 ` Stefan Roese
2012-08-23 21:52 ` Tom Rini
2012-08-24 7:03 ` Stefan Roese
2012-08-23 8:12 ` [U-Boot] [PATCH 4/6] env: Extract getenv_f() into separate source file Stefan Roese
2012-08-23 8:12 ` [U-Boot] [PATCH 5/6] mpc5200: Add SPL support Stefan Roese
2012-08-23 8:12 ` [U-Boot] [PATCH 6/6] mpc5200: Add a3m071 board support Stefan Roese
2012-08-23 21:53 ` [U-Boot] [PATCH 0/6] SPL: Port SPL framework to powerpc Tom Rini
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