linux-libre/arch/arm/include/asm/hardware/entry-macro-iomd.S

/*
 * arch/arm/include/asm/hardware/entry-macro-iomd.S
 *
 * Low-level IRQ helper macros for IOC/IOMD based platforms
 *
 * 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.
 */

/* IOC / IOMD based hardware */
#include <asm/hardware/iomd.h>

		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
		ldrb	\irqstat, [\base, #IOMD_IRQREQB]	@ get high priority first
		ldr	\tmp, =irq_prio_h
		teq	\irqstat, #0
#ifdef IOMD_BASE
		ldreqb	\irqstat, [\base, #IOMD_DMAREQ]	@ get dma
		addeq	\tmp, \tmp, #256		@ irq_prio_h table size
		teqeq	\irqstat, #0
		bne	2406f
#endif
		ldreqb	\irqstat, [\base, #IOMD_IRQREQA]	@ get low priority
		addeq	\tmp, \tmp, #256		@ irq_prio_d table size
		teqeq	\irqstat, #0
#ifdef IOMD_IRQREQC
		ldreqb	\irqstat, [\base, #IOMD_IRQREQC]
		addeq	\tmp, \tmp, #256		@ irq_prio_l table size
		teqeq	\irqstat, #0
#endif
#ifdef IOMD_IRQREQD
		ldreqb	\irqstat, [\base, #IOMD_IRQREQD]
		addeq	\tmp, \tmp, #256		@ irq_prio_lc table size
		teqeq	\irqstat, #0
#endif
2406:		ldrneb	\irqnr, [\tmp, \irqstat]	@ get IRQ number
		.endm

/*
 * Interrupt table (incorporates priority).  Please note that we
 * rely on the order of these tables (see above code).
 */
		.align	5
irq_prio_h:	.byte	 0, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	12, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
		.byte	13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
#ifdef IOMD_BASE
irq_prio_d:	.byte	 0,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	20,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
		.byte	21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
#endif
irq_prio_l:	.byte	 0, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3
		.byte	 4, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3
		.byte	 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
		.byte	 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
		.byte	 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3
		.byte	 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3
		.byte	 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
		.byte	 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
		.byte	 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
		.byte	 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
		.byte	 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
		.byte	 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
		.byte	 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
		.byte	 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
		.byte	 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
		.byte	 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
#ifdef IOMD_IRQREQC
irq_prio_lc:	.byte	24,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27
		.byte	28,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27
		.byte	29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
		.byte	29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
		.byte	30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27
		.byte	30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27
		.byte	29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
		.byte	29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
		.byte	31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
		.byte	31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
		.byte	31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
		.byte	31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
		.byte	31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
		.byte	31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
		.byte	31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
		.byte	31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
#endif
#ifdef IOMD_IRQREQD
irq_prio_ld:	.byte	40,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43
		.byte	44,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43
		.byte	45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
		.byte	45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
		.byte	46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43
		.byte	46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43
		.byte	45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
		.byte	45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
		.byte	47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
		.byte	47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
		.byte	47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
		.byte	47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
		.byte	47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
		.byte	47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
		.byte	47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
		.byte	47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
#endif