diff options
Diffstat (limited to 'arch/arm/mach-mxs/include/mach/entry-macro.S')
-rw-r--r-- | arch/arm/mach-mxs/include/mach/entry-macro.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/include/mach/entry-macro.S b/arch/arm/mach-mxs/include/mach/entry-macro.S new file mode 100644 index 000000000000..9f0da12e657a --- /dev/null +++ b/arch/arm/mach-mxs/include/mach/entry-macro.S | |||
@@ -0,0 +1,41 @@ | |||
1 | /* | ||
2 | * Low-level IRQ helper macros for Freescale MXS-based | ||
3 | * | ||
4 | * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License along | ||
17 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
19 | */ | ||
20 | |||
21 | #include <mach/mxs.h> | ||
22 | |||
23 | #define MXS_ICOLL_VBASE MXS_IO_ADDRESS(MXS_ICOLL_BASE_ADDR) | ||
24 | #define HW_ICOLL_STAT_OFFSET 0x70 | ||
25 | |||
26 | .macro disable_fiq | ||
27 | .endm | ||
28 | |||
29 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | ||
30 | ldr \irqnr, [\base, #HW_ICOLL_STAT_OFFSET] | ||
31 | cmp \irqnr, #0x7F | ||
32 | strne \irqnr, [\base] | ||
33 | moveqs \irqnr, #0 | ||
34 | .endm | ||
35 | |||
36 | .macro get_irqnr_preamble, base, tmp | ||
37 | ldr \base, =MXS_ICOLL_VBASE | ||
38 | .endm | ||
39 | |||
40 | .macro arch_ret_to_user, tmp1, tmp2 | ||
41 | .endm | ||