X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-m68knommu%2Fsystem.h;h=2a814498672d72408c149f4d64580232f697c5df;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=e12f9eb46e846245f203c6487ff5a45cfd0b20dc;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/include/asm-m68knommu/system.h b/include/asm-m68knommu/system.h
index e12f9eb46..2a8144986 100644
--- a/include/asm-m68knommu/system.h
+++ b/include/asm-m68knommu/system.h
@@ -1,7 +1,6 @@
 #ifndef _M68KNOMMU_SYSTEM_H
 #define _M68KNOMMU_SYSTEM_H
 
-#include <linux/config.h> /* get configuration macros */
 #include <linux/linkage.h>
 #include <asm/segment.h>
 #include <asm/entry.h>
@@ -57,9 +56,18 @@ asmlinkage void resume(void);
         : "cc", "%d0", "memory")
 #define local_irq_disable() __asm__ __volatile__ (		\
 	"move %/sr,%%d0\n\t"					\
-	"ori.l  #0x0700,%%d0\n\t"				\
+	"ori.l #0x0700,%%d0\n\t"				\
 	"move %%d0,%/sr\n"					\
-	: /* no inputs */					\
+	: /* no outputs */					\
+	:							\
+	: "cc", "%d0", "memory")
+/* For spinlocks etc */
+#define local_irq_save(x) __asm__ __volatile__ (		\
+	"movew %%sr,%0\n\t"					\
+	"movew #0x0700,%%d0\n\t"				\
+	"or.l  %0,%%d0\n\t"					\
+	"movew %%d0,%/sr"					\
+	: "=d" (x)						\
 	:							\
 	: "cc", "%d0", "memory")
 #else
@@ -75,7 +83,9 @@ asmlinkage void resume(void);
 #define local_irq_restore(x) asm volatile ("movew %0,%%sr": :"d" (x) : "memory")
 
 /* For spinlocks etc */
+#ifndef local_irq_save
 #define local_irq_save(x) do { local_save_flags(x); local_irq_disable(); } while (0)
+#endif
 
 #define	irqs_disabled()			\
 ({					\
@@ -96,7 +106,6 @@ asmlinkage void resume(void);
 #define wmb()  asm volatile (""   : : :"memory")
 #define set_rmb(var, value)    do { xchg(&var, value); } while (0)
 #define set_mb(var, value)     set_rmb(var, value)
-#define set_wmb(var, value)    do { var = value; wmb(); } while (0)
 
 #ifdef CONFIG_SMP
 #define smp_mb()	mb()
@@ -234,9 +243,9 @@ cmpxchg(volatile int *p, int old, int new)
 #ifdef CONFIG_COLDFIRE
 #if defined(CONFIG_M5272) && defined(CONFIG_NETtel)
 /*
- *	Need to account for broken early mask of 5272 silicon. So don't
- *	jump through the original start address. Jump strait into the
- *	known start of the FLASH code.
+ * Need to account for broken early mask of 5272 silicon. So don't
+ * jump through the original start address. Jump strait into the
+ * known start of the FLASH code.
  */
 #define HARD_RESET_NOW() ({		\
         asm("				\
@@ -244,7 +253,9 @@ cmpxchg(volatile int *p, int old, int new)
         jmp 0xf0000400;			\
         ");				\
 })
-#elif defined(CONFIG_NETtel) || defined(CONFIG_eLIA) || defined(CONFIG_DISKtel) || defined(CONFIG_SECUREEDGEMP3) || defined(CONFIG_CLEOPATRA)
+#elif defined(CONFIG_NETtel) || defined(CONFIG_eLIA) || \
+      defined(CONFIG_DISKtel) || defined(CONFIG_SECUREEDGEMP3) || \
+      defined(CONFIG_CLEOPATRA)
 #define HARD_RESET_NOW() ({		\
         asm("				\
 	movew #0x2700, %sr;		\
@@ -257,6 +268,61 @@ cmpxchg(volatile int *p, int old, int new)
         jmp (%a0);			\
         ");				\
 })
+#elif defined(CONFIG_M5272)
+/*
+ * Retrieve the boot address in flash using CSBR0 and CSOR0
+ * find the reset vector at flash_address + 4 (e.g. 0x400)
+ * remap it in the flash's current location (e.g. 0xf0000400)
+ * and jump there.
+ */ 
+#define HARD_RESET_NOW() ({		\
+	asm("				\
+	movew #0x2700, %%sr;		\
+	move.l	%0+0x40,%%d0;		\
+	and.l	%0+0x44,%%d0;		\
+	andi.l	#0xfffff000,%%d0;	\
+	mov.l	%%d0,%%a0;		\
+	or.l	4(%%a0),%%d0;		\
+	mov.l	%%d0,%%a0;		\
+	jmp (%%a0);"			\
+	: /* No output */		\
+	: "o" (*(char *)MCF_MBAR) );	\
+})
+#elif defined(CONFIG_M528x)
+/*
+ * The MCF528x has a bit (SOFTRST) in memory (Reset Control Register RCR),
+ * that when set, resets the MCF528x.
+ */
+#define HARD_RESET_NOW() \
+({						\
+	unsigned char volatile *reset;		\
+	asm("move.w	#0x2700, %sr");		\
+	reset = ((volatile unsigned short *)(MCF_IPSBAR + 0x110000));	\
+	while(1)				\
+	*reset |= (0x01 << 7);\
+})
+#elif defined(CONFIG_M523x)
+#define HARD_RESET_NOW() ({		\
+	asm("				\
+	movew #0x2700, %sr;		\
+	movel #0x01000000, %sp;		\
+	moveal #0x40110000, %a0;	\
+	moveb #0x80, (%a0);		\
+	");				\
+})
+#elif defined(CONFIG_M520x)
+	/*
+	 * The MCF5208 has a bit (SOFTRST) in memory (Reset Control Register 
+	 * RCR), that when set, resets the MCF5208.
+	 */
+#define HARD_RESET_NOW() 		\
+({					\
+	unsigned char volatile *reset;	\
+	asm("move.w     #0x2700, %sr");	\
+	reset = ((volatile unsigned short *)(MCF_IPSBAR + 0xA0000));	\
+	while(1)			\
+		*reset |= 0x80;		\
+})
 #else
 #define HARD_RESET_NOW() ({		\
         asm("				\
@@ -268,5 +334,6 @@ cmpxchg(volatile int *p, int old, int new)
 })
 #endif
 #endif
+#define arch_align_stack(x) (x)
 
 #endif /* _M68KNOMMU_SYSTEM_H */