| /* |
| * 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 |
