blob: fbdebc7cb409828dddaf0d8f6e575309ca07be0f [file] [log] [blame]
* Low-level IRQ helper macros for TI DaVinci-based platforms
* Author: Kevin Hilman, MontaVista Software, Inc. <>
* 2007 (c) MontaVista Software, Inc. 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/io.h>
#include <mach/irqs.h>
.macro disable_fiq
.macro get_irqnr_preamble, base, tmp
ldr \base, =davinci_intc_base
ldr \base, [\base]
.macro arch_ret_to_user, tmp1, tmp2
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
#if defined(CONFIG_AINTC) && defined(CONFIG_CP_INTC)
ldr \tmp, =davinci_intc_type
ldr \tmp, [\tmp]
beq 1001f
#if defined(CONFIG_AINTC)
ldr \tmp, [\base, #0x14]
movs \tmp, \tmp, lsr #2
sub \irqnr, \tmp, #1
b 1002f
#if defined(CONFIG_CP_INTC)
1001: ldr \irqnr, [\base, #0x80] /* get irq number */
and \irqnr, \irqnr, #0xff /* irq is in bits 0-9 */
mov \tmp, \irqnr, lsr #3
and \tmp, \tmp, #0xfc
add \tmp, \tmp, #0x280 /* get the register offset */
ldr \irqstat, [\base, \tmp] /* get the intc status */
cmp \irqstat, #0x0
.macro irq_prio_table