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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-05 10:35:33 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-05 10:35:33 +0000 |
| commit | 0719dc341389882cc834ed18fc9b7fc6006b2b85 (patch) | |
| tree | 794480ac62c07ea8cc4e69c2cb3d2b83bb7f36b7 /arch/arm/mach-dove/include/mach/entry-macro.S | |
| parent | e28edb723e64200554194da17617ee6e82de6690 (diff) | |
| parent | 677f4f64e4b2336682f0e15c69b206ade6f6b131 (diff) | |
Merge branch 'devel-stable' into devel
Diffstat (limited to 'arch/arm/mach-dove/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-dove/include/mach/entry-macro.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-dove/include/mach/entry-macro.S b/arch/arm/mach-dove/include/mach/entry-macro.S new file mode 100644 index 00000000000..e84c78c2a8b --- /dev/null +++ b/arch/arm/mach-dove/include/mach/entry-macro.S @@ -0,0 +1,39 @@ +/* + * arch/arm/mach-dove/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for Marvell Dove platforms + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <mach/bridge-regs.h> + + .macro disable_fiq + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =IRQ_VIRT_BASE + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + @ check low interrupts + ldr \irqstat, [\base, #IRQ_CAUSE_LOW_OFF] + ldr \tmp, [\base, #IRQ_MASK_LOW_OFF] + mov \irqnr, #31 + ands \irqstat, \irqstat, \tmp + + @ if no low interrupts set, check high interrupts + ldreq \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF] + ldreq \tmp, [\base, #IRQ_MASK_HIGH_OFF] + moveq \irqnr, #63 + andeqs \irqstat, \irqstat, \tmp + + @ find first active interrupt source + clzne \irqstat, \irqstat + subne \irqnr, \irqnr, \irqstat + .endm |