X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=arch%2Fmicroblaze%2Fcpu%2Finterrupts.c;h=9364e2fa9c9b0fb1e810ad2d2f88a6cd7deafdd0;hb=1a4596601fd395f3afb8f82f3f840c5e00bdd57a;hp=08f6bad90a7b41a792735d20afb8a89121a6a0be;hpb=8706908a2522f7d38f916e38ee13ca91e9f30bc5;p=people%2Fms%2Fu-boot.git diff --git a/arch/microblaze/cpu/interrupts.c b/arch/microblaze/cpu/interrupts.c index 08f6bad90a..9364e2fa9c 100644 --- a/arch/microblaze/cpu/interrupts.c +++ b/arch/microblaze/cpu/interrupts.c @@ -5,23 +5,7 @@ * Michal SIMEK * Yasushi SHOJI * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -32,15 +16,12 @@ #undef DEBUG_INT -extern void microblaze_disable_interrupts (void); -extern void microblaze_enable_interrupts (void); - -void enable_interrupts (void) +void enable_interrupts(void) { MSRSET(0x2); } -int disable_interrupts (void) +int disable_interrupts(void) { unsigned int msr; @@ -58,20 +39,21 @@ microblaze_intc_t *intc; /* default handler */ static void def_hdlr(void) { - puts ("def_hdlr\n"); + puts("def_hdlr\n"); } static void enable_one_interrupt(int irq) { int mask; int offset = 1; + offset <<= irq; mask = intc->ier; intc->ier = (mask | offset); #ifdef DEBUG_INT - printf ("Enable one interrupt irq %x - mask %x,ier %x\n", offset, mask, + printf("Enable one interrupt irq %x - mask %x,ier %x\n", offset, mask, intc->ier); - printf ("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier, + printf("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier, intc->iar, intc->mer); #endif } @@ -80,13 +62,14 @@ static void disable_one_interrupt(int irq) { int mask; int offset = 1; + offset <<= irq; mask = intc->ier; intc->ier = (mask & ~offset); #ifdef DEBUG_INT - printf ("Disable one interrupt irq %x - mask %x,ier %x\n", irq, mask, + printf("Disable one interrupt irq %x - mask %x,ier %x\n", irq, mask, intc->ier); - printf ("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier, + printf("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier, intc->iar, intc->mer); #endif } @@ -94,9 +77,10 @@ static void disable_one_interrupt(int irq) int install_interrupt_handler(int irq, interrupt_handler_t *hdlr, void *arg) { struct irq_action *act; + /* irq out of range */ if ((irq < 0) || (irq > irq_no)) { - puts ("IRQ out of range\n"); + puts("IRQ out of range\n"); return -1; } act = &vecs[irq]; @@ -124,7 +108,7 @@ static void intc_init(void) /* XIntc_Start - hw_interrupt enable and all interrupt enable */ intc->mer = 0x3; #ifdef DEBUG_INT - printf ("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier, + printf("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier, intc->iar, intc->mer); #endif } @@ -159,7 +143,7 @@ int interrupts_init(void) return 0; } -void interrupt_handler (void) +void interrupt_handler(void) { int irqs = intc->ivr; /* find active interrupt */ int mask = 1;