diff options
Diffstat (limited to 'arch/arm/mach-stmp37xx/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-stmp37xx/include/mach/entry-macro.S | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-stmp37xx/include/mach/entry-macro.S b/arch/arm/mach-stmp37xx/include/mach/entry-macro.S new file mode 100644 index 00000000000..fed2787b6c3 --- /dev/null +++ b/arch/arm/mach-stmp37xx/include/mach/entry-macro.S @@ -0,0 +1,37 @@ +/* + * Low-level IRQ helper macros for Freescale STMP37XX + * + * Embedded Alley Solutions, Inc <source@embeddedalley.com> + * + * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + + mov \base, #0xf0000000 @ vm address of IRQ controller + ldr \irqnr, [\base, #0x30] @ HW_ICOLL_STAT + cmp \irqnr, #0x3f + movne \irqstat, #0 @ Ack this IRQ + strne \irqstat, [\base, #0x00]@ HW_ICOLL_VECTOR + moveqs \irqnr, #0 @ Zero flag set for no IRQ + + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm |