| /* |
| * include/asm-arm/arch-iop3xx/entry-macro.S |
| * |
| * Low-level IRQ helper macros for IOP3xx-based platforms |
| * |
| * This file is licensed under the terms of the GNU General Public |
| * License version 2. This program is licensed "as is" without any |
| * warranty of any kind, whether express or implied. |
| */ |
| |
| #if defined(CONFIG_ARCH_IOP321) |
| .macro disable_fiq |
| .endm |
| |
| /* |
| * Note: only deal with normal interrupts, not FIQ |
| */ |
| .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| mov \irqnr, #0 |
| mrc p6, 0, \irqstat, c8, c0, 0 @ Read IINTSRC |
| cmp \irqstat, #0 |
| beq 1001f |
| clz \irqnr, \irqstat |
| mov \base, #31 |
| subs \irqnr,\base,\irqnr |
| add \irqnr,\irqnr,#IRQ_IOP321_DMA0_EOT |
| 1001: |
| .endm |
| |
| #elif defined(CONFIG_ARCH_IOP331) |
| .macro disable_fiq |
| .endm |
| |
| /* |
| * Note: only deal with normal interrupts, not FIQ |
| */ |
| .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| mov \irqnr, #0 |
| mrc p6, 0, \irqstat, c4, c0, 0 @ Read IINTSRC0 |
| cmp \irqstat, #0 |
| bne 1002f |
| mrc p6, 0, \irqstat, c5, c0, 0 @ Read IINTSRC1 |
| cmp \irqstat, #0 |
| beq 1001f |
| clz \irqnr, \irqstat |
| rsbs \irqnr,\irqnr,#31 @ recommend by RMK |
| add \irqnr,\irqnr,#IRQ_IOP331_XINT8 |
| b 1001f |
| 1002: clz \irqnr, \irqstat |
| rsbs \irqnr,\irqnr,#31 @ recommend by RMK |
| add \irqnr,\irqnr,#IRQ_IOP331_DMA0_EOT |
| 1001: |
| .endm |
| |
| #endif |
| |
