| Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * include/asm-arm/arch-iop33x/entry-macro.S |
| 3 | * |
| 4 | * Low-level IRQ helper macros for IOP33x-based platforms |
| 5 | * |
| 6 | * This file is licensed under the terms of the GNU General Public |
| 7 | * License version 2. This program is licensed "as is" without any |
| 8 | * warranty of any kind, whether express or implied. |
| 9 | */ |
| 10 | #include <asm/arch/irqs.h> |
| 11 | |
| 12 | .macro disable_fiq |
| 13 | .endm |
| 14 | |
| 15 | /* |
| 16 | * Note: only deal with normal interrupts, not FIQ |
| 17 | */ |
| 18 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| 19 | mov \irqnr, #0 |
| 20 | mrc p6, 0, \irqstat, c4, c0, 0 @ Read IINTSRC0 |
| 21 | cmp \irqstat, #0 |
| 22 | bne 1002f |
| 23 | mrc p6, 0, \irqstat, c5, c0, 0 @ Read IINTSRC1 |
| 24 | cmp \irqstat, #0 |
| 25 | beq 1001f |
| 26 | clz \irqnr, \irqstat |
| 27 | rsbs \irqnr,\irqnr,#31 @ recommend by RMK |
| 28 | add \irqnr,\irqnr,#IRQ_IOP331_XINT8 |
| 29 | b 1001f |
| 30 | 1002: clz \irqnr, \irqstat |
| 31 | rsbs \irqnr,\irqnr,#31 @ recommend by RMK |
| 32 | add \irqnr,\irqnr,#IRQ_IOP331_DMA0_EOT |
| 33 | 1001: |
| 34 | .endm |