1/* 2 * Low-level IRQ helper macros for Freescale STMP37XX 3 * 4 * Embedded Alley Solutions, Inc <source@embeddedalley.com> 5 * 6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. 7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. 8 */ 9 10/* 11 * The code contained herein is licensed under the GNU General Public 12 * License. You may obtain a copy of the GNU General Public License 13 * Version 2 or later at the following locations: 14 * 15 * http://www.opensource.org/licenses/gpl-license.html 16 * http://www.gnu.org/copyleft/gpl.html 17 */ 18 19 .macro disable_fiq 20 .endm 21 22 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp 23 24 mov \base, #0xf0000000 @ vm address of IRQ controller 25 ldr \irqnr, [\base, #0x30] @ HW_ICOLL_STAT 26 cmp \irqnr, #0x3f 27 movne \irqstat, #0 @ Ack this IRQ 28 strne \irqstat, [\base, #0x00]@ HW_ICOLL_VECTOR 29 moveqs \irqnr, #0 @ Zero flag set for no IRQ 30 31 .endm 32 33 .macro get_irqnr_preamble, base, tmp 34 .endm 35 36 .macro arch_ret_to_user, tmp1, tmp2 37 .endm 38