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authorHeiko Schocher <hs@denx.de>2017-06-27 14:49:14 (GMT)
committerTom Rini <trini@konsulko.com>2017-07-03 21:35:28 (GMT)
commit98f705c9cefdfdba62c069821bbba10273a0a8ed (patch)
tree48a56e8496a9b6f5bcf523916ace5445489d79c7 /arch/powerpc/cpu/ppc4xx/interrupts.c
parentd4db3b86a5e090e21db710bedbbe3e50d4c56428 (diff)
downloadu-boot-98f705c9cefdfdba62c069821bbba10273a0a8ed.tar.xz
powerpc: remove 4xx support
There was for long time no activity in the 4xx area. We need to go further and convert to Kconfig, but it turned out, nobody is interested anymore in 4xx, so remove it. Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'arch/powerpc/cpu/ppc4xx/interrupts.c')
-rw-r--r--arch/powerpc/cpu/ppc4xx/interrupts.c192
1 files changed, 0 insertions, 192 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/interrupts.c b/arch/powerpc/cpu/ppc4xx/interrupts.c
deleted file mode 100644
index 599f2c2..0000000
--- a/arch/powerpc/cpu/ppc4xx/interrupts.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2002 (440 port)
- * Scott McNutt, Artesyn Communication Producs, smcnutt@artsyncp.com
- *
- * (C) Copyright 2003 (440GX port)
- * Travis B. Sawyer, Sandburst Corporation, tsawyer@sandburst.com
- *
- * (C) Copyright 2008 (PPC440X05 port for Virtex 5 FX)
- * Ricardo Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda@gmail.com
- * Work supported by Qtechnology (htpp://qtec.com)
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <command.h>
-#include <asm/processor.h>
-#include <asm/interrupt.h>
-#include <asm/ppc4xx.h>
-#include <ppc_asm.tmpl>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * CPM interrupt vector functions.
- */
-struct irq_action {
- interrupt_handler_t *handler;
- void *arg;
- int count;
-};
-static struct irq_action irq_vecs[IRQ_MAX];
-
-#if defined(CONFIG_440)
-
-/* SPRN changed in 440 */
-static __inline__ void set_evpr(unsigned long val)
-{
- asm volatile("mtspr 0x03f,%0" : : "r" (val));
-}
-
-#else /* !defined(CONFIG_440) */
-
-static __inline__ void set_pit(unsigned long val)
-{
- asm volatile("mtpit %0" : : "r" (val));
-}
-
-static __inline__ void set_evpr(unsigned long val)
-{
- asm volatile("mtevpr %0" : : "r" (val));
-}
-#endif /* defined(CONFIG_440 */
-
-int interrupt_init_cpu (unsigned *decrementer_count)
-{
- int vec;
- unsigned long val;
-
- /* decrementer is automatically reloaded */
- *decrementer_count = 0;
-
- /*
- * Mark all irqs as free
- */
- for (vec = 0; vec < IRQ_MAX; vec++) {
- irq_vecs[vec].handler = NULL;
- irq_vecs[vec].arg = NULL;
- irq_vecs[vec].count = 0;
- }
-
-#ifdef CONFIG_4xx
- /*
- * Init PIT
- */
-#if defined(CONFIG_440)
- val = mfspr( SPRN_TCR );
- val &= (~0x04400000); /* clear DIS & ARE */
- mtspr( SPRN_TCR, val );
- mtspr( SPRN_DEC, 0 ); /* Prevent exception after TSR clear*/
- mtspr( SPRN_DECAR, 0 ); /* clear reload */
- mtspr( SPRN_TSR, 0x08000000 ); /* clear DEC status */
- val = gd->bd->bi_intfreq/1000; /* 1 msec */
- mtspr( SPRN_DECAR, val ); /* Set auto-reload value */
- mtspr( SPRN_DEC, val ); /* Set inital val */
-#else
- set_pit(gd->bd->bi_intfreq / 1000);
-#endif
-#endif /* CONFIG_4xx */
-
-#ifdef CONFIG_ADCIOP
- /*
- * Init PIT
- */
- set_pit(66000);
-#endif
-
- /*
- * Enable PIT
- */
- val = mfspr(SPRN_TCR);
- val |= 0x04400000;
- mtspr(SPRN_TCR, val);
-
- /*
- * Set EVPR to 0
- */
- set_evpr(0x00000000);
-
- /*
- * Call uic or xilinx_irq pic_enable
- */
- pic_enable();
-
- return (0);
-}
-
-void timer_interrupt_cpu(struct pt_regs *regs)
-{
- /* nothing to do here */
- return;
-}
-
-void interrupt_run_handler(int vec)
-{
- irq_vecs[vec].count++;
-
- if (irq_vecs[vec].handler != NULL) {
- /* call isr */
- (*irq_vecs[vec].handler) (irq_vecs[vec].arg);
- } else {
- pic_irq_disable(vec);
- printf("Masking bogus interrupt vector %d\n", vec);
- }
-
- pic_irq_ack(vec);
- return;
-}
-
-void irq_install_handler(int vec, interrupt_handler_t * handler, void *arg)
-{
- /*
- * Print warning when replacing with a different irq vector
- */
- if ((irq_vecs[vec].handler != NULL) && (irq_vecs[vec].handler != handler)) {
- printf("Interrupt vector %d: handler 0x%x replacing 0x%x\n",
- vec, (uint) handler, (uint) irq_vecs[vec].handler);
- }
- irq_vecs[vec].handler = handler;
- irq_vecs[vec].arg = arg;
-
- pic_irq_enable(vec);
- return;
-}
-
-void irq_free_handler(int vec)
-{
- debug("Free interrupt for vector %d ==> %p\n",
- vec, irq_vecs[vec].handler);
-
- pic_irq_disable(vec);
-
- irq_vecs[vec].handler = NULL;
- irq_vecs[vec].arg = NULL;
- return;
-}
-
-#if defined(CONFIG_CMD_IRQ)
-int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- int vec;
-
- printf ("Interrupt-Information:\n");
- printf ("Nr Routine Arg Count\n");
-
- for (vec = 0; vec < IRQ_MAX; vec++) {
- if (irq_vecs[vec].handler != NULL) {
- printf ("%02d %08lx %08lx %d\n",
- vec,
- (ulong)irq_vecs[vec].handler,
- (ulong)irq_vecs[vec].arg,
- irq_vecs[vec].count);
- }
- }
-
- return 0;
-}
-#endif