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-rw-r--r--arch/openrisc/cpu/interrupts.c108
1 files changed, 0 insertions, 108 deletions
diff --git a/arch/openrisc/cpu/interrupts.c b/arch/openrisc/cpu/interrupts.c
deleted file mode 100644
index 1ecfbf03ac0..00000000000
--- a/arch/openrisc/cpu/interrupts.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
- * (C) Copyright 2011, Julius Baxter <julius@opencores.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/types.h>
-#include <asm/ptrace.h>
-#include <asm/system.h>
-#include <asm/openrisc_exc.h>
-
-struct irq_action {
- interrupt_handler_t *handler;
- void *arg;
- int count;
-};
-
-static struct irq_action handlers[32];
-
-void interrupt_handler(void)
-{
- int irq;
-
- while ((irq = ffs(mfspr(SPR_PICSR)))) {
- if (handlers[--irq].handler) {
- handlers[irq].handler(handlers[irq].arg);
- handlers[irq].count++;
- } else {
- /* disable the interrupt */
- mtspr(SPR_PICMR, mfspr(SPR_PICMR) & ~(1 << irq));
- printf("Unhandled interrupt: %d\n", irq);
- }
- /* clear the interrupt */
- mtspr(SPR_PICSR, mfspr(SPR_PICSR) & ~(1 << irq));
- }
-}
-
-int interrupt_init(void)
-{
- /* install handler for external interrupt exception */
- exception_install_handler(EXC_EXT_IRQ, interrupt_handler);
- /* Enable interrupts in supervisor register */
- mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_IEE);
-
- return 0;
-}
-
-void enable_interrupts(void)
-{
- /* Set interrupt enable bit in supervisor register */
- mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_IEE);
- /* Enable timer exception */
- mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_TEE);
-}
-
-int disable_interrupts(void)
-{
- /* Clear interrupt enable bit in supervisor register */
- mtspr(SPR_SR, mfspr(SPR_SR) & ~SPR_SR_IEE);
- /* Disable timer exception */
- mtspr(SPR_SR, mfspr(SPR_SR) & ~SPR_SR_TEE);
-
- return 0;
-}
-
-void irq_install_handler(int irq, interrupt_handler_t *handler, void *arg)
-{
- if (irq < 0 || irq > 31)
- return;
-
- handlers[irq].handler = handler;
- handlers[irq].arg = arg;
-}
-
-void irq_free_handler(int irq)
-{
- if (irq < 0 || irq > 31)
- return;
-
- handlers[irq].handler = 0;
- handlers[irq].arg = 0;
-}
-
-#if defined(CONFIG_CMD_IRQ)
-int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- int i;
-
- printf("\nInterrupt-Information:\n\n");
- printf("Nr Routine Arg Count\n");
- printf("-----------------------------\n");
-
- for (i = 0; i < 32; i++) {
- if (handlers[i].handler) {
- printf("%02d %08lx %08lx %d\n",
- i,
- (ulong)handlers[i].handler,
- (ulong)handlers[i].arg,
- handlers[i].count);
- }
- }
- printf("\n");
-
- return 0;
-}
-#endif