Merge branch 'samsung/exynos5' into next/soc2
[linux-2.6.git] / arch / arm / mach-vt8500 / include / mach / entry-macro.S
1 /*
2  * arch/arm/mach-vt8500/include/mach/entry-macro.S
3  *
4  * Low-level IRQ helper macros for VIA VT8500
5  *
6  * This file is licensed under  the terms of the GNU General Public
7  * License version 2. This program is licensed "as is" without any
8  * warranty of any kind, whether express or implied.
9  */
10
11         .macro  get_irqnr_preamble, base, tmp
12         @ physical 0xd8140000 is virtual 0xf8140000
13         mov     \base, #0xf8000000
14         orr     \base, \base, #0x00140000
15         .endm
16
17         .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
18         ldr     \irqnr, [\base]
19         cmp     \irqnr, #63 @ may be false positive, check interrupt status
20         bne     1001f
21         ldr     \irqstat, [\base, #0x84]
22         ands    \irqstat, #0x80000000
23         moveq   \irqnr, #0
24 1001:
25         .endm
26