From: Eric Miao <eric.y.miao@gmail.com>
Date: Fri, 19 Feb 2010 05:49:39 +0000 (+0800)
Subject: [ARM] pxa: refactor uncompress.h for non-PXA uarts
X-Git-Tag: v2.6.34-rc2~66^2~13
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c95efee13303d9ff9e67f2600174f492039311ce;p=pandora-kernel.git

[ARM] pxa: refactor uncompress.h for non-PXA uarts

The original patch came from Marc Zyngier where support of 8250-compatible
UART is required to show the uncompress information. Modified a little bit
here, including changes below:

1. #include <mach/regs-uart.h> is actually not necessary
2. introduced uart_{read,write}() for different base and shift
3. introduced uart_is_enabled() and assumed enabled always for
   non-PXA uarts

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Acked-by: Marc Zyngier <maz@misterjones.org>
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