| H A D | iwmmxt.S | diff 392ba787bcc9b8d4786fb94949d270ec7414da55 Thu Aug 11 03:56:06 CEST 2011 Lennert Buytenhek <buytenh@wantstofly.org> ARM: pxa: fix logic error in PJ4 iWMMXt handling
This got added in:
commit ef6c84454f8567d4968c210d7d194fb711ed3739
Author: Haojian Zhuang <haojian.zhuang@marvell.com>
Date: Wed Nov 24 11:54:25 2010 +0800
ARM: pxa: add iwmmx support for PJ4
which does:
- mrc p15, 0, r2, c15, c1, 0
- orr r2, r2, #0x3 @ enable access to CP0 and CP1
- mcr p15, 0, r2, c15, c1, 0
+ @ enable access to CP0 and CP1
+ XSC(mrc p15, 0, r2, c15, c1, 0)
+ XSC(orr r2, r2, #0x3)
+ XSC(mcr p15, 0, r2, c15, c1, 0)
but then later does:
- mrc p15, 0, r4, c15, c1, 0
- orr r4, r4, #0x3 @ enable access to CP0 and CP1
- mcr p15, 0, r4, c15, c1, 0
+ @ enable access to CP0 and CP1
+ XSC(mrc p15, 0, r4, c15, c1, 0)
+ XSC(orr r4, r4, #0xf)
+ XSC(mcr p15, 0, r4, c15, c1, 0)
Signed-off-by: Lennert Buytenhek <buytenh@laptop.org>
Acked-by Haojian <haojian.zhuang@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff ef6c84454f8567d4968c210d7d194fb711ed3739 Wed Nov 24 04:54:25 CET 2010 Haojian Zhuang <haojian.zhuang@marvell.com> ARM: pxa: add iwmmx support for PJ4
iwmmxt is used in XScale, XScale3, Mohawk and PJ4 core. But the instructions
of accessing CP0 and CP1 is changed in PJ4. Append more files to support
iwmmxt in PJ4 core.
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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