From: Shawn Guo <shawn.guo@linaro.org>
Date: Fri, 6 Jan 2012 01:11:40 +0000 (+0800)
Subject: ARM: mxs: detect SoC by checking CHIPID register
X-Git-Tag: v3.4-rc1~88^2~13^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=845da6bf65b1ebff700c1e9a8c17f5df303792c1;p=pandora-kernel.git

ARM: mxs: detect SoC by checking CHIPID register

Both imx23 and imx28 have CHIPID register at address 0x8001c310, which
can be used to identify the SoC.  This patch changes cpu_is_xxx and
__arch_decomp_setup to use this CHIPID register than machine type to
detect the chip between imx23 and imx28, so that we do not need to
change these functions whenever a new board/machine gets added.

Suggested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
---

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