| /* |
| * Low-level IRQ helper macros for Freescale MXS-based |
| * |
| * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <mach/mxs.h> |
| |
| #define MXS_ICOLL_VBASE MXS_IO_ADDRESS(MXS_ICOLL_BASE_ADDR) |
| #define HW_ICOLL_STAT_OFFSET 0x70 |
| |
| .macro disable_fiq |
| .endm |
| |
| .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| ldr \irqnr, [\base, #HW_ICOLL_STAT_OFFSET] |
| cmp \irqnr, #0x7F |
| strne \irqnr, [\base] |
| moveqs \irqnr, #0 |
| .endm |
| |
| .macro get_irqnr_preamble, base, tmp |
| ldr \base, =MXS_ICOLL_VBASE |
| .endm |
| |
| .macro arch_ret_to_user, tmp1, tmp2 |
| .endm |
