2 * include/asm-arm/arch-iop33x/entry-macro.S
4 * Low-level IRQ helper macros for IOP33x-based platforms
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.
10 #include <asm/arch/irqs.h>
16 * Note: only deal with normal interrupts, not FIQ
18 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
20 ldr \base, =IOP3XX_REG_ADDR(0x7A0)
21 ldr \irqstat, [\base] @ Read IINTSRC0
24 ldr \irqstat, [\base, #4] @ Read IINTSRC1
28 rsbs \irqnr,\irqnr,#31 @ recommend by RMK
29 add \irqnr,\irqnr,#IRQ_IOP331_XINT8
31 1002: clz \irqnr, \irqstat
32 rsbs \irqnr,\irqnr,#31 @ recommend by RMK
33 add \irqnr,\irqnr,#IRQ_IOP331_DMA0_EOT