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authorDmitry Torokhov <dtor@insightbb.com>2007-05-01 00:24:54 -0400
committerDmitry Torokhov <dtor@insightbb.com>2007-05-01 00:24:54 -0400
commitbc95f3669f5e6f63cf0b84fe4922c3c6dd4aa775 (patch)
tree427fcf2a7287c16d4b5aa6cbf494d59579a6a8b1 /include/asm-arm/arch-iop33x/entry-macro.S
parent3d29cdff999c37b3876082278a8134a0642a02cd (diff)
parentdc87c3985e9b442c60994308a96f887579addc39 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/usb/input/Makefile drivers/usb/input/gtco.c
Diffstat (limited to 'include/asm-arm/arch-iop33x/entry-macro.S')
-rw-r--r--include/asm-arm/arch-iop33x/entry-macro.S35
1 files changed, 25 insertions, 10 deletions
diff --git a/include/asm-arm/arch-iop33x/entry-macro.S b/include/asm-arm/arch-iop33x/entry-macro.S
index 92b791702e3..b8e3d449e88 100644
--- a/include/asm-arm/arch-iop33x/entry-macro.S
+++ b/include/asm-arm/arch-iop33x/entry-macro.S
@@ -9,14 +9,29 @@
*/
#include <asm/arch/iop33x.h>
- .macro disable_fiq
- .endm
+ .macro disable_fiq
+ .endm
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \base, =IOP3XX_REG_ADDR(0x07C8)
- ldr \irqstat, [\base] @ Read IINTVEC
- cmp \irqstat, #0
- ldreq \irqstat, [\base] @ erratum 63 workaround
- adds \irqnr, \irqstat, #1
- movne \irqnr, \irqstat, lsr #2
- .endm
+ .macro get_irqnr_preamble, base, tmp
+ mrc p15, 0, \tmp, c15, c1, 0
+ orr \tmp, \tmp, #(1 << 6)
+ mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access
+ mrc p15, 0, \tmp, c15, c1, 0
+ mov \tmp, \tmp
+ sub pc, pc, #4 @ cp_wait
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ mrc p6, 0, \irqstat, c14, c0, 0 @ Read IINTVEC
+ cmp \irqstat, #0
+ mrceq p6, 0, \irqstat, c14, c0, 0 @ erratum 63 workaround
+ adds \irqnr, \irqstat, #1
+ movne \irqnr, \irqstat, lsr #2
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ mrc p15, 0, \tmp1, c15, c1, 0
+ ands \tmp2, \tmp1, #(1 << 6)
+ bicne \tmp1, \tmp1, #(1 << 6)
+ mcrne p15, 0, \tmp1, c15, c1, 0 @ Disable cp6 access
+ .endm