| Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-arm/arch-iop32x/entry-macro.S |
| 3 | * |
| 4 | * Low-level IRQ helper macros for IOP32x-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 |
| Lennert Buytenhek | 38ce73e | 2006-09-18 23:21:38 +0100 | [diff] [blame^] | 20 | ldr \base, =IOP3XX_REG_ADDR(0x07D8) |
| 21 | ldr \irqstat, [\base] @ Read IINTSRC |
| Lennert Buytenhek | 3f7e581 | 2006-09-18 23:10:26 +0100 | [diff] [blame] | 22 | cmp \irqstat, #0 |
| 23 | beq 1001f |
| 24 | clz \irqnr, \irqstat |
| 25 | mov \base, #31 |
| 26 | subs \irqnr,\base,\irqnr |
| 27 | add \irqnr,\irqnr,#IRQ_IOP321_DMA0_EOT |
| 28 | 1001: |
| 29 | .endm |