ARMv7: drop __KERNEL__

It's a bad Linux heritage.. We have no userland in firmware.

Change-Id: Ib19e5ba713078ca37514571213d19f418417b964
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2108
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/arch/armv7/Makefile.inc

@@ -147,7 +147,6 @@ CFLAGS += \
 	-mthumb-interwork
 
 # For various headers imported from Linux
-CFLAGS += -D__KERNEL__
 CFLAGS += -D__LINUX_ARM_ARCH__=7
 
 crt0s = $(src)/arch/armv7/init.S

src/arch/armv7/include/arch/atomic.h

@@ -1,111 +0,0 @@
-/*
- *  linux/include/asm-arm/atomic.h
- *
- *  Copyright (c) 1996 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  Changelog:
- *   27-06-1996	RMK	Created
- *   13-04-1997	RMK	Made functions atomic!
- *   07-12-1997	RMK	Upgraded for v2.1.
- *   26-08-1998	PJB	Added #ifdef __KERNEL__
- */
-#ifndef __ASM_ARM_ATOMIC_H
-#define __ASM_ARM_ATOMIC_H
-
-#include <linux/config.h>
-
-#ifdef CONFIG_SMP
-#error SMP not supported
-#endif
-
-typedef struct { volatile int counter; } atomic_t;
-
-#define ATOMIC_INIT(i)	{ (i) }
-
-#include <asm/proc/system.h>
-
-#define atomic_read(v)	((v)->counter)
-#define atomic_set(v,i)	(((v)->counter) = (i))
-
-static inline void atomic_add(int i, volatile atomic_t *v)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	v->counter += i;
-	local_irq_restore(flags);
-}
-
-static inline void atomic_sub(int i, volatile atomic_t *v)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	v->counter -= i;
-	local_irq_restore(flags);
-}
-
-static inline void atomic_inc(volatile atomic_t *v)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	v->counter += 1;
-	local_irq_restore(flags);
-}
-
-static inline void atomic_dec(volatile atomic_t *v)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	v->counter -= 1;
-	local_irq_restore(flags);
-}
-
-static inline int atomic_dec_and_test(volatile atomic_t *v)
-{
-	unsigned long flags;
-	int val;
-
-	local_irq_save(flags);
-	val = v->counter;
-	v->counter = val -= 1;
-	local_irq_restore(flags);
-
-	return val == 0;
-}
-
-static inline int atomic_add_negative(int i, volatile atomic_t *v)
-{
-	unsigned long flags;
-	int val;
-
-	local_irq_save(flags);
-	val = v->counter;
-	v->counter = val += i;
-	local_irq_restore(flags);
-
-	return val < 0;
-}
-
-static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	*addr &= ~mask;
-	local_irq_restore(flags);
-}
-
-/* Atomic operations are already serializing on ARM */
-#define smp_mb__before_atomic_dec()	barrier()
-#define smp_mb__after_atomic_dec()	barrier()
-#define smp_mb__before_atomic_inc()	barrier()
-#define smp_mb__after_atomic_inc()	barrier()
-
-#endif

src/arch/armv7/include/arch/io.h

@@ -20,13 +20,8 @@
 #ifndef __ASM_ARM_IO_H
 #define __ASM_ARM_IO_H
 
-#ifdef __KERNEL__
-
 #include <types.h>
 #include <arch/byteorder.h>
-#if 0	/* XXX###XXX */
-#include <asm/arch/hardware.h>
-#endif	/* XXX###XXX */
 
 static inline void sync(void)
 {
@@ -423,5 +418,4 @@ out:
 #define isa_check_signature(io,sig,len)	(0)
 
 #endif	/* __mem_isa */
-#endif	/* __KERNEL__ */
 #endif	/* __ASM_ARM_IO_H */

src/arch/armv7/include/arch/types.h

@@ -22,11 +22,6 @@ __extension__ typedef __signed__ long long __s64;
 __extension__ typedef unsigned long long __u64;
 #endif
 
-/*
- * These aren't exported outside the kernel to avoid name space clashes
- */
-#ifdef __KERNEL__
-
 typedef signed char s8;
 typedef unsigned char u8;
 
@@ -48,6 +43,4 @@ typedef u32 dma_addr_t;
 typedef unsigned long phys_addr_t;
 typedef unsigned long phys_size_t;
 
-#endif /* __KERNEL__ */
-
 #endif