mn10300: Remove the architecture

Remove the MN10300 arch as the hardware is defunct.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>
cc: linux-am33-list@redhat.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 215 deletions

diff --git a/arch/mn10300/include/asm/irqflags.h b/arch/mn10300/include/asm/irqflags.h
deleted file mode 100644
index 8730c0a3c37d..000000000000
--- a/arch/mn10300/include/asm/irqflags.h
+++ /dev/null
@@ -1,215 +0,0 @@
-/* MN10300 IRQ flag handling
- *
- * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#ifndef _ASM_IRQFLAGS_H
-#define _ASM_IRQFLAGS_H
-
-#include <asm/cpu-regs.h>
-/* linux/smp.h <- linux/irqflags.h needs asm/smp.h first */
-#include <asm/smp.h>
-
-/*
- * interrupt control
- * - "disabled": run in IM1/2
- *   - level 0 - kernel debugger
- *   - level 1 - virtual serial DMA (if present)
- *   - level 5 - normal interrupt priority
- *   - level 6 - timer interrupt
- * - "enabled":  run in IM7
- */
-#define MN10300_CLI_LEVEL	(CONFIG_LINUX_CLI_LEVEL << EPSW_IM_SHIFT)
-
-#ifndef __ASSEMBLY__
-
-static inline unsigned long arch_local_save_flags(void)
-{
-	unsigned long flags;
-
-	asm volatile("mov epsw,%0" : "=d"(flags));
-	return flags;
-}
-
-static inline void arch_local_irq_disable(void)
-{
-	asm volatile(
-		"	and %0,epsw	\n"
-		"	or %1,epsw	\n"
-		"	nop		\n"
-		"	nop		\n"
-		"	nop		\n"
-		:
-		: "i"(~EPSW_IM), "i"(EPSW_IE | MN10300_CLI_LEVEL)
-		: "memory");
-}
-
-static inline unsigned long arch_local_irq_save(void)
-{
-	unsigned long flags;
-
-	flags = arch_local_save_flags();
-	arch_local_irq_disable();
-	return flags;
-}
-
-/*
- * we make sure arch_irq_enable() doesn't cause priority inversion
- */
-extern unsigned long __mn10300_irq_enabled_epsw[];
-
-static inline void arch_local_irq_enable(void)
-{
-	unsigned long tmp;
-	int cpu = raw_smp_processor_id();
-
-	asm volatile(
-		"	mov	epsw,%0		\n"
-		"	and	%1,%0		\n"
-		"	or	%2,%0		\n"
-		"	mov	%0,epsw		\n"
-		: "=&d"(tmp)
-		: "i"(~EPSW_IM), "r"(__mn10300_irq_enabled_epsw[cpu])
-		: "memory", "cc");
-}
-
-static inline void arch_local_irq_restore(unsigned long flags)
-{
-	asm volatile(
-		"	mov %0,epsw	\n"
-		"	nop		\n"
-		"	nop		\n"
-		"	nop		\n"
-		:
-		: "d"(flags)
-		: "memory", "cc");
-}
-
-static inline bool arch_irqs_disabled_flags(unsigned long flags)
-{
-	return (flags & (EPSW_IE | EPSW_IM)) != (EPSW_IE | EPSW_IM_7);
-}
-
-static inline bool arch_irqs_disabled(void)
-{
-	return arch_irqs_disabled_flags(arch_local_save_flags());
-}
-
-/*
- * Hook to save power by halting the CPU
- * - called from the idle loop
- * - must reenable interrupts (which takes three instruction cycles to complete)
- */
-static inline void arch_safe_halt(void)
-{
-#ifdef CONFIG_SMP
-	arch_local_irq_enable();
-#else
-	asm volatile(
-		"	or	%0,epsw	\n"
-		"	nop		\n"
-		"	nop		\n"
-		"	bset	%2,(%1)	\n"
-		:
-		: "i"(EPSW_IE|EPSW_IM), "n"(&CPUM), "i"(CPUM_SLEEP)
-		: "cc");
-#endif
-}
-
-#define __sleep_cpu()				\
-do {						\
-	asm volatile(				\
-		"	bset	%1,(%0)\n"	\
-		"1:	btst	%1,(%0)\n"	\
-		"	bne	1b\n"		\
-		:				\
-		: "i"(&CPUM), "i"(CPUM_SLEEP)	\
-		: "cc"				\
-		);				\
-} while (0)
-
-static inline void arch_local_cli(void)
-{
-	asm volatile(
-		"	and	%0,epsw		\n"
-		"	nop			\n"
-		"	nop			\n"
-		"	nop			\n"
-		:
-		: "i"(~EPSW_IE)
-		: "memory"
-		);
-}
-
-static inline unsigned long arch_local_cli_save(void)
-{
-	unsigned long flags = arch_local_save_flags();
-	arch_local_cli();
-	return flags;
-}
-
-static inline void arch_local_sti(void)
-{
-	asm volatile(
-		"	or	%0,epsw		\n"
-		:
-		: "i"(EPSW_IE)
-		: "memory");
-}
-
-static inline void arch_local_change_intr_mask_level(unsigned long level)
-{
-	asm volatile(
-		"	and	%0,epsw		\n"
-		"	or	%1,epsw		\n"
-		:
-		: "i"(~EPSW_IM), "i"(EPSW_IE | level)
-		: "cc", "memory");
-}
-
-#else /* !__ASSEMBLY__ */
-
-#define LOCAL_SAVE_FLAGS(reg)			\
-	mov	epsw,reg
-
-#define LOCAL_IRQ_DISABLE				\
-	and	~EPSW_IM,epsw;				\
-	or	EPSW_IE|MN10300_CLI_LEVEL,epsw;		\
-	nop;						\
-	nop;						\
-	nop
-
-#define LOCAL_IRQ_ENABLE		\
-	or	EPSW_IE|EPSW_IM_7,epsw
-
-#define LOCAL_IRQ_RESTORE(reg)	\
-	mov	reg,epsw
-
-#define LOCAL_CLI_SAVE(reg)	\
-	mov	epsw,reg;	\
-	and	~EPSW_IE,epsw;	\
-	nop;			\
-	nop;			\
-	nop
-
-#define LOCAL_CLI		\
-	and	~EPSW_IE,epsw;	\
-	nop;			\
-	nop;			\
-	nop
-
-#define LOCAL_STI		\
-	or	EPSW_IE,epsw
-
-#define LOCAL_CHANGE_INTR_MASK_LEVEL(level)	\
-	and	~EPSW_IM,epsw;			\
-	or	EPSW_IE|(level),epsw
-
-#endif /* __ASSEMBLY__ */
-#endif /* _ASM_IRQFLAGS_H */