2009-10-19 17:26:19 -07:00
|
|
|
/*
|
|
|
|
|
* arch/arm/mach-omap1/include/mach/entry-macro.S
|
|
|
|
|
*
|
|
|
|
|
* Low-level IRQ helper macros for OMAP-based platforms
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 2009 Texas Instruments
|
|
|
|
|
*
|
|
|
|
|
* 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 <mach/hardware.h>
|
|
|
|
|
#include <mach/io.h>
|
|
|
|
|
#include <mach/irqs.h>
|
|
|
|
|
#include <asm/hardware/gic.h>
|
|
|
|
|
|
|
|
|
|
.macro disable_fiq
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro get_irqnr_preamble, base, tmp
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro arch_ret_to_user, tmp1, tmp2
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
|
|
|
|
|
ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
|
|
|
|
|
ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
|
|
|
|
|
ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET]
|
|
|
|
|
mov \irqstat, #0xffffffff
|
|
|
|
|
bic \tmp, \irqstat, \tmp
|
|
|
|
|
tst \irqnr, \tmp
|
|
|
|
|
beq 1510f
|
|
|
|
|
|
|
|
|
|
ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
|
2010-12-09 15:49:23 -08:00
|
|
|
ldr \tmp, =omap_irq_flags @ irq flags address
|
|
|
|
|
ldr \tmp, [\tmp, #0] @ irq flags value
|
2009-10-19 17:26:19 -07:00
|
|
|
cmp \irqnr, #0
|
|
|
|
|
ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
|
2010-12-09 15:49:23 -08:00
|
|
|
cmpeq \irqnr, \tmp
|
2009-10-19 17:26:19 -07:00
|
|
|
ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
|
|
|
|
|
ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
|
|
|
|
|
addeqs \irqnr, \irqnr, #32
|
|
|
|
|
1510:
|
|
|
|
|
.endm
|
|
|
|
|
|
