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Revision 1.3, Tue Mar 20 15:37:21 2007 UTC (10 years, 7 months ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.2: +6 -0 lines 

Merge up to 2.6.21-rc4
Merge of 2.6.x-xfs-melb:linux:28276b by kenmcd.

/*
 * include/asm-arm/arch-pxa/entry-macro.S
 *
 * Low-level IRQ helper macros for PXA-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.
 */
#include <asm/hardware.h>
#include <asm/arch/irqs.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
#ifdef CONFIG_PXA27x
		mrc	p6, 0, \irqstat, c0, c0, 0		@ ICIP
		mrc	p6, 0, \irqnr, c1, c0, 0		@ ICMR
#else
		mov	\base, #io_p2v(0x40000000)	@ IIR Ctl = 0x40d00000
		add	\base, \base, #0x00d00000
		ldr	\irqstat, [\base, #0]		@ ICIP
		ldr	\irqnr, [\base, #4]		@ ICMR
#endif
		ands	\irqnr, \irqstat, \irqnr
		beq	1001f
		rsb	\irqstat, \irqnr, #0
		and	\irqstat, \irqstat, \irqnr
		clz	\irqnr, \irqstat
		rsb	\irqnr, \irqnr, #(31 - PXA_IRQ_SKIP)
1001:
		.endm