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ARM: mmp: support DT in irq

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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>
This commit is contained in:
Haojian Zhuang
2012-04-12 19:02:02 +08:00
parent 3f4dd3224d
commit c24b31147a
7 changed files with 472 additions and 225 deletions
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4
arch/arm/mach-mmp/include/mach/entry-macro.S
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@@ -6,13 +6,15 @@
* 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, =ICU_VIRT_BASE
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