| dmitry pervushin | 1e3dd53 | 2009-04-22 23:52:45 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Low-level IRQ helper macros for Freescale STMP378X |
| 3 | * |
| 4 | * Embedded Alley Solutions, Inc <source@embeddedalley.com> |
| 5 | * |
| 6 | * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. |
| 7 | * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * The code contained herein is licensed under the GNU General Public |
| 12 | * License. You may obtain a copy of the GNU General Public License |
| 13 | * Version 2 or later at the following locations: |
| 14 | * |
| 15 | * http://www.opensource.org/licenses/gpl-license.html |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | */ |
| 18 | |
| 19 | .macro disable_fiq |
| 20 | .endm |
| 21 | |
| 22 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| 23 | |
| 24 | mov \base, #0xf0000000 @ vm address of IRQ controller |
| 25 | ldr \irqnr, [\base, #0x70] @ HW_ICOLL_STAT |
| 26 | cmp \irqnr, #0x7f |
| 27 | moveqs \irqnr, #0 @ Zero flag set for no IRQ |
| 28 | |
| 29 | .endm |
| 30 | |
| 31 | .macro get_irqnr_preamble, base, tmp |
| 32 | .endm |
| 33 | |
| 34 | .macro arch_ret_to_user, tmp1, tmp2 |
| 35 | .endm |