/home/lenb/src/to-linus-stable branch 'acpi-2.6.12'
[linux-2.6] / include / asm-arm / arch-pxa / entry-macro.S
1 /*
2  * include/asm-arm/arch-pxa/entry-macro.S
3  *
4  * Low-level IRQ helper macros for PXA-based platforms
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  disable_fiq
12                 .endm
13
14                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
15 #ifdef CONFIG_PXA27x
16                 mrc     p6, 0, \irqstat, c0, c0, 0              @ ICIP
17                 mrc     p6, 0, \irqnr, c1, c0, 0                @ ICMR
18 #else
19                 mov     \base, #io_p2v(0x40000000)      @ IIR Ctl = 0x40d00000
20                 add     \base, \base, #0x00d00000
21                 ldr     \irqstat, [\base, #0]           @ ICIP
22                 ldr     \irqnr, [\base, #4]             @ ICMR
23 #endif
24                 ands    \irqnr, \irqstat, \irqnr
25                 beq     1001f
26                 rsb     \irqstat, \irqnr, #0
27                 and     \irqstat, \irqstat, \irqnr
28                 clz     \irqnr, \irqstat
29                 rsb     \irqnr, \irqnr, #(31 - PXA_IRQ_SKIP)
30 1001:
31                 .endm