1 files changed, 0 insertions, 326 deletions
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
deleted file mode 100644
index 469ce7282dc8..000000000000
--- a/arch/blackfin/mach-common/interrupt.S
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * Interrupt Entries
- *
- * Copyright 2005-2009 Analog Devices Inc.
- *               D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>
- *               Kenneth Albanowski <kjahds@kjahds.com>
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <asm/blackfin.h>
-#include <mach/irq.h>
-#include <linux/linkage.h>
-#include <asm/entry.h>
-#include <asm/asm-offsets.h>
-#include <asm/trace.h>
-#include <asm/traps.h>
-#include <asm/thread_info.h>
-
-#include <asm/context.S>
-
-.extern _ret_from_exception
-
-#ifdef CONFIG_I_ENTRY_L1
-.section .l1.text
-#else
-.text
-#endif
-
-.align 4 	/* just in case */
-
-/* Common interrupt entry code.	 First we do CLI, then push
- * RETI, to keep interrupts disabled, but to allow this state to be changed
- * by local_bh_enable.
- * R0 contains the interrupt number, while R1 may contain the value of IPEND,
- * or garbage if IPEND won't be needed by the ISR.  */
-__common_int_entry:
-	[--sp] = fp;
-	[--sp] = usp;
-
-	[--sp] = i0;
-	[--sp] = i1;
-	[--sp] = i2;
-	[--sp] = i3;
-
-	[--sp] = m0;
-	[--sp] = m1;
-	[--sp] = m2;
-	[--sp] = m3;
-
-	[--sp] = l0;
-	[--sp] = l1;
-	[--sp] = l2;
-	[--sp] = l3;
-
-	[--sp] = b0;
-	[--sp] = b1;
-	[--sp] = b2;
-	[--sp] = b3;
-	[--sp] = a0.x;
-	[--sp] = a0.w;
-	[--sp] = a1.x;
-	[--sp] = a1.w;
-
-	[--sp] = LC0;
-	[--sp] = LC1;
-	[--sp] = LT0;
-	[--sp] = LT1;
-	[--sp] = LB0;
-	[--sp] = LB1;
-
-	[--sp] = ASTAT;
-
-	[--sp] = r0;	/* Skip reserved */
-	[--sp] = RETS;
-	r2 = RETI;
-	[--sp] = r2;
-	[--sp] = RETX;
-	[--sp] = RETN;
-	[--sp] = RETE;
-	[--sp] = SEQSTAT;
-	[--sp] = r1;	/* IPEND - R1 may or may not be set up before jumping here. */
-
-	/* Switch to other method of keeping interrupts disabled.  */
-#ifdef CONFIG_DEBUG_HWERR
-	r1 = 0x3f;
-	sti r1;
-#else
-	cli r1;
-#endif
-#ifdef CONFIG_TRACE_IRQFLAGS
-	[--sp] = r0;
-	sp += -12;
-	call _trace_hardirqs_off;
-	sp += 12;
-	r0 = [sp++];
-#endif
-	[--sp] = RETI;  /* orig_pc */
-	/* Clear all L registers.  */
-	r1 = 0 (x);
-	l0 = r1;
-	l1 = r1;
-	l2 = r1;
-	l3 = r1;
-#ifdef CONFIG_FRAME_POINTER
-	fp = 0;
-#endif
-
-	ANOMALY_283_315_WORKAROUND(p5, r7)
-
-	r1 =  sp;
-	SP += -12;
-#ifdef CONFIG_IPIPE
-	call ___ipipe_grab_irq
-	SP += 12;
-	cc = r0 == 0;
-	if cc jump .Lcommon_restore_context;
-#else /* CONFIG_IPIPE */
-
-#ifdef CONFIG_PREEMPT
-	r7 = sp;
-	r4.l = lo(ALIGN_PAGE_MASK);
-	r4.h = hi(ALIGN_PAGE_MASK);
-	r7 = r7 & r4;
-	p5 = r7;
-	r7 = [p5 + TI_PREEMPT]; /* get preempt count */
-	r7 += 1;                /* increment it */
-	[p5 + TI_PREEMPT] = r7;
-#endif
-	pseudo_long_call _do_irq, p2;
-
-#ifdef CONFIG_PREEMPT
-	r7 += -1;
-	[p5 + TI_PREEMPT] = r7; /* restore preempt count */
-#endif
-
-	SP += 12;
-#endif /* CONFIG_IPIPE */
-	pseudo_long_call _return_from_int, p2;
-.Lcommon_restore_context:
-	RESTORE_CONTEXT
-	rti;
-
-/* interrupt routine for ivhw - 5 */
-ENTRY(_evt_ivhw)
-	/* In case a single action kicks off multiple memory transactions, (like
-	 * a cache line fetch, - this can cause multiple hardware errors, let's
-	 * catch them all. First - make sure all the actions are complete, and
-	 * the core sees the hardware errors.
-	 */
-	SSYNC;
-	SSYNC;
-
-	SAVE_ALL_SYS
-#ifdef CONFIG_FRAME_POINTER
-	fp = 0;
-#endif
-
-	ANOMALY_283_315_WORKAROUND(p5, r7)
-
-	/* Handle all stacked hardware errors
-	 * To make sure we don't hang forever, only do it 10 times
-	 */
-	R0 = 0;
-	R2 = 10;
-1:
-	P0.L = LO(ILAT);
-	P0.H = HI(ILAT);
-	R1 = [P0];
-	CC = BITTST(R1, EVT_IVHW_P);
-	IF ! CC JUMP 2f;
-	/* OK a hardware error is pending - clear it */
-	R1 = EVT_IVHW_P;
-	[P0] = R1;
-	R0 += 1;
-	CC = R1 == R2;
-	if CC JUMP 2f;
-	JUMP 1b;
-2:
-	# We are going to dump something out, so make sure we print IPEND properly
-	p2.l = lo(IPEND);
-	p2.h = hi(IPEND);
-	r0 = [p2];
-	[sp + PT_IPEND] = r0;
-
-	/* set the EXCAUSE to HWERR for trap_c */
-	r0 = [sp + PT_SEQSTAT];
-	R1.L = LO(VEC_HWERR);
-	R1.H = HI(VEC_HWERR);
-	R0 = R0 | R1;
-	[sp + PT_SEQSTAT] = R0;
-
-	r0 = sp;        /* stack frame pt_regs pointer argument ==> r0 */
-	SP += -12;
-	pseudo_long_call _trap_c, p5;
-	SP += 12;
-
-#ifdef EBIU_ERRMST
-	/* make sure EBIU_ERRMST is clear */
-	p0.l = LO(EBIU_ERRMST);
-	p0.h = HI(EBIU_ERRMST);
-	r0.l = (CORE_ERROR | CORE_MERROR);
-	w[p0] = r0.l;
-#endif
-
-	pseudo_long_call _ret_from_exception, p2;
-
-.Lcommon_restore_all_sys:
-	RESTORE_ALL_SYS
-	rti;
-ENDPROC(_evt_ivhw)
-
-/* Interrupt routine for evt2 (NMI).
- * For inner circle type details, please see:
- * http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:nmi
- */
-ENTRY(_evt_nmi)
-#ifndef CONFIG_NMI_WATCHDOG
-.weak _evt_nmi
-#else
-	/* Not take account of CPLBs, this handler will not return */
-	SAVE_ALL_SYS
-	r0 = sp;
-	r1 = retn;
-	[sp + PT_PC] = r1;
-	trace_buffer_save(p4,r5);
-
-	ANOMALY_283_315_WORKAROUND(p4, r5)
-
-	SP += -12;
-	call _do_nmi;
-	SP += 12;
-1:
-	jump 1b;
-#endif
-	rtn;
-ENDPROC(_evt_nmi)
-
-/* interrupt routine for core timer - 6 */
-ENTRY(_evt_timer)
-	TIMER_INTERRUPT_ENTRY(EVT_IVTMR_P)
-
-/* interrupt routine for evt7 - 7 */
-ENTRY(_evt_evt7)
-	INTERRUPT_ENTRY(EVT_IVG7_P)
-ENTRY(_evt_evt8)
-	INTERRUPT_ENTRY(EVT_IVG8_P)
-ENTRY(_evt_evt9)
-	INTERRUPT_ENTRY(EVT_IVG9_P)
-ENTRY(_evt_evt10)
-	INTERRUPT_ENTRY(EVT_IVG10_P)
-ENTRY(_evt_evt11)
-	INTERRUPT_ENTRY(EVT_IVG11_P)
-ENTRY(_evt_evt12)
-	INTERRUPT_ENTRY(EVT_IVG12_P)
-ENTRY(_evt_evt13)
-	INTERRUPT_ENTRY(EVT_IVG13_P)
-
-
- /* interrupt routine for system_call - 15 */
-ENTRY(_evt_system_call)
-	SAVE_CONTEXT_SYSCALL
-#ifdef CONFIG_FRAME_POINTER
-	fp = 0;
-#endif
-	pseudo_long_call _system_call, p2;
-	jump .Lcommon_restore_context;
-ENDPROC(_evt_system_call)
-
-#ifdef CONFIG_IPIPE
-/*
- * __ipipe_call_irqtail: lowers the current priority level to EVT15
- * before running a user-defined routine, then raises the priority
- * level to EVT14 to prepare the caller for a normal interrupt
- * return through RTI.
- *
- * We currently use this feature in two occasions:
- *
- * - before branching to __ipipe_irq_tail_hook as requested by a high
- *   priority domain after the pipeline delivered an interrupt,
- *   e.g. such as Xenomai, in order to start its rescheduling
- *   procedure, since we may not switch tasks when IRQ levels are
- *   nested on the Blackfin, so we have to fake an interrupt return
- *   so that we may reschedule immediately.
- *
- * - before branching to __ipipe_sync_root(), in order to play any interrupt
- *   pending for the root domain (i.e. the Linux kernel). This lowers
- *   the core priority level enough so that Linux IRQ handlers may
- *   never delay interrupts handled by high priority domains; we defer
- *   those handlers until this point instead. This is a substitute
- *   to using a threaded interrupt model for the Linux kernel.
- *
- * r0: address of user-defined routine
- * context: caller must have preempted EVT15, hw interrupts must be off.
- */
-ENTRY(___ipipe_call_irqtail)
-	p0 = r0;
-	r0.l = 1f;
-	r0.h = 1f;
-	reti = r0;
-	rti;
-1:
-	[--sp] = rets;
-	[--sp] = ( r7:4, p5:3 );
-	sp += -12;
-	call (p0);
-	sp += 12;
-	( r7:4, p5:3 ) = [sp++];
-	rets = [sp++];
-
-#ifdef CONFIG_DEBUG_HWERR
-	/* enable irq14 & hwerr interrupt, until we transition to _evt_evt14 */
-	r0 = (EVT_IVG14 | EVT_IVHW | \
-		EVT_IRPTEN | EVT_EVX | EVT_NMI | EVT_RST | EVT_EMU);
-#else
-	/* Only enable irq14 interrupt, until we transition to _evt_evt14 */
-	r0 = (EVT_IVG14 | \
-		EVT_IRPTEN | EVT_EVX | EVT_NMI | EVT_RST | EVT_EMU);
-#endif
-	sti r0;
-	raise 14;		/* Branches to _evt_evt14 */
-2:
-	jump 2b;                /* Likely paranoid. */
-ENDPROC(___ipipe_call_irqtail)
-
-#endif /* CONFIG_IPIPE */