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linux-next/arch/arm/mach-s5p6442/include/mach/entry-macro.S
Kukjin Kim 5f7f6a4a0d ARM: S5P6442: Add Samsung S5P6442 CPU support
This patch adds support for Samsung S5P6442 CPU. This patch also adds
an entry for S5P6442 cpu in plat-s5p cpu table.

Signed-off-by: Adityapratap Sharma <aditya.ps@samsung.com>
Signed-off-by: Atul Dahiya <atul.dahiya@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-02-24 01:52:15 +00:00

49 lines
1.1 KiB
ArmAsm

/* linux/arch/arm/mach-s5p6442/include/mach/entry-macro.S
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Low-level IRQ helper macros for the Samsung S5P6442
*
* 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/hardware/vic.h>
#include <mach/map.h>
#include <plat/irqs.h>
.macro disable_fiq
.endm
.macro get_irqnr_preamble, base, tmp
ldr \base, =VA_VIC0
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
@ check the vic0
mov \irqnr, # S5P_IRQ_OFFSET + 31
ldr \irqstat, [ \base, # VIC_IRQ_STATUS ]
teq \irqstat, #0
@ otherwise try vic1
addeq \tmp, \base, #(VA_VIC1 - VA_VIC0)
addeq \irqnr, \irqnr, #32
ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
teqeq \irqstat, #0
@ otherwise try vic2
addeq \tmp, \base, #(VA_VIC2 - VA_VIC0)
addeq \irqnr, \irqnr, #32
ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
teqeq \irqstat, #0
clzne \irqstat, \irqstat
subne \irqnr, \irqnr, \irqstat
.endm