ARM: Eliminate the unused interrupts.c.

This file isn't compiled into anything, and probably wouldn't since it has a
lot of baggage from it's U-Boot origins.

Change-Id: I29d87afd2a283010a653d3d48fdd3a79622e3b99
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/170423
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: David Hendrix <dhendrix@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit 1146c570f0e448f7db4ec82749e91099c946a2dc)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6544
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Tested-by: build bot (Jenkins)

2 files changed, 0 insertions, 198 deletions

diff --git a/src/arch/armv7/Makefile.inc b/src/arch/armv7/Makefile.inc
index bf2f332..d28a9d3 100644
--- a/src/arch/armv7/Makefile.inc
+++ b/src/arch/armv7/Makefile.inc
@@ -169,7 +169,6 @@ ifeq ($(CONFIG_ARCH_RAMSTAGE_ARMV7),y)
 ramstage-y += exception.c
 ramstage-y += exception_asm.S
 ramstage-y += div0.c
-#ramstage-y += interrupts.c
 ramstage-y += cache.c
 ramstage-y += cpu.c
 ramstage-y += mmu.c
diff --git a/src/arch/armv7/interrupts.c b/src/arch/armv7/interrupts.c
deleted file mode 100644
index 7508c69..0000000
--- a/src/arch/armv7/interrupts.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * (C) Copyright 2003
- * Texas Instruments <www.ti.com>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2002-2004
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * (C) Copyright 2004
- * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
- *
- * 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
- */
-
-#include <reset.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_USE_IRQ
-int interrupt_init (void)
-{
-	/*
-	 * setup up stacks if necessary
-	 */
-	IRQ_STACK_START = gd->irq_sp - 4;
-	IRQ_STACK_START_IN = gd->irq_sp + 8;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-
-	return arch_interrupt_init();
-}
-
-/* enable IRQ interrupts */
-void enable_interrupts (void)
-{
-	unsigned long temp;
-	__asm__ __volatile__("mrs %0, cpsr\n"
-			     "bic %0, %0, #0x80\n"
-			     "msr cpsr_c, %0"
-			     : "=r" (temp)
-			     :
-			     : "memory");
-}
-
-
-/*
- * disable IRQ/FIQ interrupts
- * returns true if interrupts had been enabled before we disabled them
- */
-int disable_interrupts (void)
-{
-	unsigned long old,temp;
-	__asm__ __volatile__("mrs %0, cpsr\n"
-			     "orr %1, %0, #0xc0\n"
-			     "msr cpsr_c, %1"
-			     : "=r" (old), "=r" (temp)
-			     :
-			     : "memory");
-	return (old & 0x80) == 0;
-}
-#else
-int interrupt_init (void)
-{
-	/*
-	 * setup up stacks if necessary
-	 */
-	IRQ_STACK_START_IN = gd->irq_sp + 8;
-
-	return 0;
-}
-
-void enable_interrupts (void)
-{
-	return;
-}
-int disable_interrupts (void)
-{
-	return 0;
-}
-#endif
-
-
-void bad_mode (void)
-{
-	panic ("Resetting CPU ...\n");
-	soft_reset();
-}
-
-void show_regs (struct pt_regs *regs)
-{
-	unsigned long flags;
-	const char *processor_modes[] = {
-	"USER_26",	"FIQ_26",	"IRQ_26",	"SVC_26",
-	"UK4_26",	"UK5_26",	"UK6_26",	"UK7_26",
-	"UK8_26",	"UK9_26",	"UK10_26",	"UK11_26",
-	"UK12_26",	"UK13_26",	"UK14_26",	"UK15_26",
-	"USER_32",	"FIQ_32",	"IRQ_32",	"SVC_32",
-	"UK4_32",	"UK5_32",	"UK6_32",	"ABT_32",
-	"UK8_32",	"UK9_32",	"UK10_32",	"UND_32",
-	"UK12_32",	"UK13_32",	"UK14_32",	"SYS_32",
-	};
-
-	flags = condition_codes (regs);
-
-	printf ("pc : [<%08lx>]	   lr : [<%08lx>]\n"
-		"sp : %08lx  ip : %08lx	 fp : %08lx\n",
-		instruction_pointer (regs),
-		regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
-	printf ("r10: %08lx  r9 : %08lx	 r8 : %08lx\n",
-		regs->ARM_r10, regs->ARM_r9, regs->ARM_r8);
-	printf ("r7 : %08lx  r6 : %08lx	 r5 : %08lx  r4 : %08lx\n",
-		regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4);
-	printf ("r3 : %08lx  r2 : %08lx	 r1 : %08lx  r0 : %08lx\n",
-		regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0);
-	printf ("Flags: %c%c%c%c",
-		flags & CC_N_BIT ? 'N' : 'n',
-		flags & CC_Z_BIT ? 'Z' : 'z',
-		flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v');
-	printf ("  IRQs %s  FIQs %s  Mode %s%s\n",
-		interrupts_enabled (regs) ? "on" : "off",
-		fast_interrupts_enabled (regs) ? "on" : "off",
-		processor_modes[processor_mode (regs)],
-		thumb_mode (regs) ? " (T)" : "");
-}
-
-void do_undefined_instruction (struct pt_regs *pt_regs)
-{
-	printf ("undefined instruction\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_software_interrupt (struct pt_regs *pt_regs)
-{
-	printf ("software interrupt\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_prefetch_abort (struct pt_regs *pt_regs)
-{
-	printf ("prefetch abort\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_data_abort (struct pt_regs *pt_regs)
-{
-	printf ("data abort\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_not_used (struct pt_regs *pt_regs)
-{
-	printf ("not used\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_fiq (struct pt_regs *pt_regs)
-{
-	printf ("fast interrupt request\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-#ifndef CONFIG_USE_IRQ
-void do_irq (struct pt_regs *pt_regs)
-{
-	printf ("interrupt request\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-#endif