| Shawn Guo | 289569f | 2010-12-18 21:39:28 +0800 | [diff] [blame] | 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 | |
| Shawn Guo | 289569f | 2010-12-18 21:39:28 +0800 | [diff] [blame] | 26 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| 27 | ldr \irqnr, [\base, #HW_ICOLL_STAT_OFFSET] |
| 28 | cmp \irqnr, #0x7F |
| 29 | strne \irqnr, [\base] |
| 30 | moveqs \irqnr, #0 |
| 31 | .endm |
| 32 | |
| 33 | .macro get_irqnr_preamble, base, tmp |
| 34 | ldr \base, =MXS_ICOLL_VBASE |
| 35 | .endm |