| /* |
| * include/asm-arm/arch-pxa/entry-macro.S |
| * |
| * Low-level IRQ helper macros for PXA-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. |
| */ |
| #include <asm/hardware.h> |
| #include <asm/arch/irqs.h> |
| |
| .macro disable_fiq |
| .endm |
| |
| .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| #ifdef CONFIG_PXA27x |
| mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP |
| mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR |
| #else |
| mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000 |
| add \base, \base, #0x00d00000 |
| ldr \irqstat, [\base, #0] @ ICIP |
| ldr \irqnr, [\base, #4] @ ICMR |
| #endif |
| ands \irqnr, \irqstat, \irqnr |
| beq 1001f |
| rsb \irqstat, \irqnr, #0 |
| and \irqstat, \irqstat, \irqnr |
| clz \irqnr, \irqstat |
| rsb \irqnr, \irqnr, #(31 - PXA_IRQ_SKIP) |
| 1001: |
| .endm |
