/* * Low-level IRQ helper macros for TI DaVinci-based platforms * * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com> * * 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/irqs.h> .macro get_irqnr_preamble, base, tmp ldr \base, =davinci_intc_base ldr \base, [\base] .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp #if defined([31mCONFIG_AINTC[0m) && defined([31mCONFIG_CP_INTC[0m) ldr \tmp, =davinci_intc_type ldr \tmp, [\tmp] cmp \tmp, #DAVINCI_INTC_TYPE_CP_INTC beq 1001f #endif #if defined([31mCONFIG_AINTC[0m) ldr \tmp, [\base, #0x14] movs \tmp, \tmp, lsr #2 sub \irqnr, \tmp, #1 b 1002f #endif #if defined([31mCONFIG_CP_INTC[0m) 1001: ldr \irqnr, [\base, #0x80] /* get irq number */ mov \tmp, \irqnr, lsr #31 and \irqnr, \irqnr, #0xff /* irq is in bits 0-9 */ and \tmp, \tmp, #0x1 cmp \tmp, #0x1 #endif 1002: .endm |