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authorHeiko Schocher <hs@denx.de>2017-06-07 15:33:11 (GMT)
committerTom Rini <trini@konsulko.com>2017-06-12 12:38:05 (GMT)
commit502589777416aaee32e4ba1682c6eb3aa3a88e1c (patch)
tree11b6c98a966258866e7c75bbba8ebacc1acb1ba7 /arch/powerpc/cpu/mpc5xx/interrupts.c
parent2eb48ff7a210ddd2a39bac23b3b9b39c60c32aef (diff)
downloadu-boot-fsl-qoriq-502589777416aaee32e4ba1682c6eb3aa3a88e1c.tar.xz
powerpc, 5xx: remove support for 5xx
There was for long time no activity in the 5xx area. We need to go further and convert to Kconfig, but it turned out, nobody is interested anymore in 5xx, so remove it. Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'arch/powerpc/cpu/mpc5xx/interrupts.c')
-rw-r--r--arch/powerpc/cpu/mpc5xx/interrupts.c192
1 files changed, 0 insertions, 192 deletions
diff --git a/arch/powerpc/cpu/mpc5xx/interrupts.c b/arch/powerpc/cpu/mpc5xx/interrupts.c
deleted file mode 100644
index 35dddf5..0000000
--- a/arch/powerpc/cpu/mpc5xx/interrupts.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * (C) Copyright 2000-2002 Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- * (C) Copyright 2003 Martin Winistoerfer, martinwinistoerfer@gmx.ch.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/*
- * File: interrupt.c
- *
- * Discription: Contains interrupt routines needed by U-Boot
- *
- */
-
-#include <common.h>
-#include <command.h>
-#include <mpc5xx.h>
-#include <asm/processor.h>
-
-#if defined(CONFIG_PATI)
-/* PATI uses IRQs for PCI doorbell */
-#undef NR_IRQS
-#define NR_IRQS 16
-#endif
-
-struct interrupt_action {
- interrupt_handler_t *handler;
- void *arg;
- int count;
-};
-
-static struct interrupt_action irq_vecs[NR_IRQS];
-
-/*
- * Initialise interrupts
- */
-
-int interrupt_init_cpu (ulong *decrementer_count)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- int vec;
-
- /* Decrementer used here for status led */
- *decrementer_count = get_tbclk () / CONFIG_SYS_HZ;
-
- /* Disable all interrupts */
- immr->im_siu_conf.sc_simask = 0;
- for (vec=0; vec<NR_IRQS; vec++) {
- irq_vecs[vec].handler = NULL;
- irq_vecs[vec].arg = NULL;
- irq_vecs[vec].count = 0;
- }
-
- return (0);
-}
-
-/*
- * Handle external interrupts
- */
-void external_interrupt (struct pt_regs *regs)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- int irq;
- ulong simask, newmask;
- ulong vec, v_bit;
-
- /*
- * read the SIVEC register and shift the bits down
- * to get the irq number
- */
- vec = immr->im_siu_conf.sc_sivec;
- irq = vec >> 26;
- v_bit = 0x80000000UL >> irq;
-
- /*
- * Read Interrupt Mask Register and Mask Interrupts
- */
- simask = immr->im_siu_conf.sc_simask;
- newmask = simask & (~(0xFFFF0000 >> irq));
- immr->im_siu_conf.sc_simask = newmask;
-
- if (!(irq & 0x1)) { /* External Interrupt ? */
- ulong siel;
-
- /*
- * Read Interrupt Edge/Level Register
- */
- siel = immr->im_siu_conf.sc_siel;
-
- if (siel & v_bit) { /* edge triggered interrupt ? */
- /*
- * Rewrite SIPEND Register to clear interrupt
- */
- immr->im_siu_conf.sc_sipend = v_bit;
- }
- }
-
- if (irq_vecs[irq].handler != NULL) {
- irq_vecs[irq].handler (irq_vecs[irq].arg);
- } else {
- printf ("\nBogus External Interrupt IRQ %d Vector %ld\n",
- irq, vec);
- /* turn off the bogus interrupt to avoid it from now */
- simask &= ~v_bit;
- }
- /*
- * Re-Enable old Interrupt Mask
- */
- immr->im_siu_conf.sc_simask = simask;
-}
-
-/*
- * Install and free an interrupt handler
- */
-void irq_install_handler (int vec, interrupt_handler_t * handler,
- void *arg)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- /* SIU interrupt */
- if (irq_vecs[vec].handler != NULL) {
- printf ("SIU interrupt %d 0x%x\n",
- vec,
- (uint) handler);
- }
- irq_vecs[vec].handler = handler;
- irq_vecs[vec].arg = arg;
- immr->im_siu_conf.sc_simask |= 1 << (31 - vec);
-#if 0
- printf ("Install SIU interrupt for vector %d ==> %p\n",
- vec, handler);
-#endif
-}
-
-void irq_free_handler (int vec)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- /* SIU interrupt */
-#if 0
- printf ("Free CPM interrupt for vector %d\n",
- vec);
-#endif
- immr->im_siu_conf.sc_simask &= ~(1 << (31 - vec));
- irq_vecs[vec].handler = NULL;
- irq_vecs[vec].arg = NULL;
-}
-
-/*
- * Timer interrupt - gets called when bit 0 of DEC changes from
- * 0. Decrementer is enabled with bit TBE in TBSCR.
- */
-void timer_interrupt_cpu (struct pt_regs *regs)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
-
-#if 0
- printf ("*** Timer Interrupt *** ");
-#endif
- /* Reset Timer Status Bit and Timers Interrupt Status */
- immr->im_clkrstk.cark_plprcrk = KAPWR_KEY;
- __asm__ ("nop");
- immr->im_clkrst.car_plprcr |= PLPRCR_TEXPS | PLPRCR_TMIST;
-
- return;
-}
-
-#if defined(CONFIG_CMD_IRQ)
-/*******************************************************************************
- *
- * irqinfo - print information about IRQs
- *
- */
-int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- int vec;
-
- printf ("\nInterrupt-Information:\n");
- printf ("Nr Routine Arg Count\n");
-
- for (vec=0; vec<NR_IRQS; 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