linux/arch/arm/mach-mmp/include/mach/entry-macro.S
Haojian Zhuang c24b31147a ARM: mmp: support DT in irq
Merge irq-pxa168 and irq-mmp2. And support device tree also.

Since CONFIG_SPARSE_IRQ is enabled in arch-mmp, base irq starts from
NR_IRQS_LEGACY.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-05-05 16:35:13 +08:00

27 lines
716 B
ArmAsm

/*
* linux/arch/arm/mach-mmp/include/mach/entry-macro.S
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <asm/irq.h>
#include <mach/regs-icu.h>
.macro get_irqnr_preamble, base, tmp
mrc p15, 0, \tmp, c0, c0, 0 @ CPUID
and \tmp, \tmp, #0xff00
cmp \tmp, #0x5800
ldr \base, =mmp_icu_base
ldr \base, [\base, #0]
addne \base, \base, #0x10c @ PJ1 AP INT SEL register
addeq \base, \base, #0x104 @ PJ4 IRQ SEL register
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
ldr \tmp, [\base, #0]
and \irqnr, \tmp, #0x3f
tst \tmp, #(1 << 6)
.endm