| /* | |
| * include/asm-arm/arch-l7200/entry-macro.S | |
| * | |
| * Low-level IRQ helper macros for L7200-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> | |
| .equ irq_base_addr, IO_BASE_2 | |
| .macro disable_fiq | |
| .endm | |
| .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | |
| mov \irqstat, #irq_base_addr @ Virt addr IRQ regs | |
| add \irqstat, \irqstat, #0x00001000 @ Status reg | |
| ldr \irqstat, [\irqstat, #0] @ get interrupts | |
| mov \irqnr, #0 | |
| 1001: tst \irqstat, #1 | |
| addeq \irqnr, \irqnr, #1 | |
| moveq \irqstat, \irqstat, lsr #1 | |
| tsteq \irqnr, #32 | |
| beq 1001b | |
| teq \irqnr, #32 | |
| .endm | |