Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/gerg/m68knommu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: remove unecessary include of thread_info.h in entry.S m68knommu: enumerate INIT_THREAD fields properly headers_check fix: m68k, swab.h arch/m68knommu: Convert #ifdef DEBUG printk(KERN_DEBUG to pr_debug( m68knommu: remove obsolete reset code m68knommu: move CPU reset code for the 5272 ColdFire into its platform code m68knommu: move CPU reset code for the 528x ColdFire into its platform code m68knommu: move CPU reset code for the 527x ColdFire into its platform code m68knommu: move CPU reset code for the 523x ColdFire into its platform code m68knommu: move CPU reset code for the 520x ColdFire into its platform code m68knommu: add CPU reset code for the 532x ColdFire m68knommu: add CPU reset code for the 5249 ColdFire m68knommu: add CPU reset code for the 5206e ColdFire m68knommu: add CPU reset code for the 5206 ColdFire m68knommu: add CPU reset code for the 5407 ColdFire m68knommu: add CPU reset code for the 5307 ColdFire m68knommu: merge system reset for code ColdFire 523x family m68knommu: fix system reset for ColdFire 527x family
mariux64 · Jun 12, 2009 · 875287c · 875287c
2 parents aee74f3 + 193e984
commit 875287c
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Showing 23 changed files with 178 additions and 187 deletions.
diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h
@@ -59,5 +59,14 @@
 #define MCFPIT_IMR		MCFINTC_IMRL
 #define MCFPIT_IMR_IBIT		(1 << MCFINT_PIT1)
 
+/*
+ *  Reset Controll Unit.
+ */
+#define	MCF_RCR			0xFC0A0000
+#define	MCF_RSR			0xFC0A0001
+
+#define	MCF_RCR_SWRESET		0x80		/* Software reset bit */
+#define	MCF_RCR_FRCSTOUT	0x40		/* Force external reset */
+
 /****************************************************************************/
 #endif  /* m520xsim_h */
diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h
@@ -41,5 +41,14 @@
 #define	MCFSIM_DACR1		0x50		/* SDRAM base address 1 */
 #define	MCFSIM_DMR1		0x54		/* SDRAM address mask 1 */
 
+/*
+ *  Reset Controll Unit (relative to IPSBAR).
+ */
+#define	MCF_RCR			0x110000
+#define	MCF_RSR			0x110001
+
+#define	MCF_RCR_SWRESET		0x80		/* Software reset bit */
+#define	MCF_RCR_FRCSTOUT	0x40		/* Force external reset */
+
 /****************************************************************************/
 #endif	/* m523xsim_h */
diff --git a/arch/m68k/include/asm/m527xsim.h b/arch/m68k/include/asm/m527xsim.h
@@ -70,5 +70,14 @@
 #define UART2_ENABLE_MASK	0x3f00 
 #endif
 
+/*
+ *  Reset Controll Unit (relative to IPSBAR).
+ */
+#define	MCF_RCR			0x110000
+#define	MCF_RSR			0x110001
+
+#define	MCF_RCR_SWRESET		0x80		/* Software reset bit */
+#define	MCF_RCR_FRCSTOUT	0x40		/* Force external reset */
+
 /****************************************************************************/
 #endif	/* m527xsim_h */
diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h
@@ -56,6 +56,14 @@
 #define MCF5282_INTC0_ICR17     (volatile u8 *) (MCF_IPSBAR + 0x0C51)
 
 
+/*
+ *  Reset Control Unit (relative to IPSBAR).
+ */
+#define	MCF_RCR			0x110000
+#define	MCF_RSR			0x110001
+
+#define	MCF_RCR_SWRESET		0x80		/* Software reset bit */
+#define	MCF_RCR_FRCSTOUT	0x40		/* Force external reset */
 
 /*********************************************************************
 *

diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h
@@ -125,6 +125,18 @@
 #define	ACR_CM_OFF_IMP		(3<<5)
 #define	ACR_WPROTECT		(1<<2)
 
+/*********************************************************************
+ *
+ * Reset Controller Module
+ *
+ *********************************************************************/
+
+#define	MCF_RCR			0xFC0A0000
+#define	MCF_RSR			0xFC0A0001
+
+#define	MCF_RCR_SWRESET		0x80		/* Software reset bit */
+#define	MCF_RCR_FRCSTOUT	0x40		/* Force external reset */
+
 /*********************************************************************
  *
  * Inter-IC (I2C) Module

diff --git a/arch/m68k/include/asm/processor_no.h b/arch/m68k/include/asm/processor_no.h
@@ -72,10 +72,10 @@ struct thread_struct {
 	unsigned char  fpstate[FPSTATESIZE];  /* floating point state */
 };
 
-#define INIT_THREAD  { \
-	sizeof(init_stack) + (unsigned long) init_stack, 0, \
-	PS_S, __KERNEL_DS, \
-	{0, 0}, 0, {0,}, {0, 0, 0}, {0,}, \
+#define INIT_THREAD  {							\
+	.ksp	= sizeof(init_stack) + (unsigned long) init_stack,	\
+	.sr	= PS_S,							\
+	.fs	= __KERNEL_DS,						\
 }
 
 /*

diff --git a/arch/m68k/include/asm/swab.h b/arch/m68k/include/asm/swab.h
@@ -1,7 +1,7 @@
 #ifndef _M68K_SWAB_H
 #define _M68K_SWAB_H
 
-#include <asm/types.h>
+#include <linux/types.h>
 #include <linux/compiler.h>
 
 #define __SWAB_64_THRU_32__

diff --git a/arch/m68k/include/asm/system_no.h b/arch/m68k/include/asm/system_no.h
@@ -203,113 +203,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
 #include <asm-generic/cmpxchg.h>
 #endif
 
-#if defined( CONFIG_M68328 ) || defined( CONFIG_M68EZ328 ) || \
-	defined (CONFIG_M68360) || defined( CONFIG_M68VZ328 )
-#define HARD_RESET_NOW() ({		\
-        local_irq_disable();		\
-        asm("				\
-        moveal #0x10c00000, %a0;	\
-        moveb #0, 0xFFFFF300;		\
-        moveal 0(%a0), %sp;		\
-        moveal 4(%a0), %a0;		\
-        jmp (%a0);			\
-        ");				\
-})
-#endif
-
-#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.
- */
-#define HARD_RESET_NOW() ({		\
-        asm("				\
-	movew #0x2700, %sr;		\
-        jmp 0xf0000400;			\
-        ");				\
-})
-#elif defined(CONFIG_NETtel) || \
-      defined(CONFIG_SECUREEDGEMP3) || defined(CONFIG_CLEOPATRA)
-#define HARD_RESET_NOW() ({		\
-        asm("				\
-	movew #0x2700, %sr;		\
-	moveal #0x10000044, %a0;	\
-	movel #0xffffffff, (%a0);	\
-	moveal #0x10000001, %a0;	\
-	moveb #0x00, (%a0);		\
-        moveal #0xf0000004, %a0;	\
-        moveal (%a0), %a0;		\
-        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 char *)(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 char *)(MCF_IPSBAR + 0xA0000));	\
-	while(1)			\
-		*reset |= 0x80;		\
-})
-#else
-#define HARD_RESET_NOW() ({		\
-        asm("				\
-	movew #0x2700, %sr;		\
-        moveal #0x4, %a0;		\
-        moveal (%a0), %a0;		\
-        jmp (%a0);			\
-        ");				\
-})
-#endif
-#endif
 #define arch_align_stack(x) (x)
 
 

diff --git a/arch/m68knommu/kernel/entry.S b/arch/m68knommu/kernel/entry.S
@@ -26,7 +26,6 @@
 
 #include <linux/sys.h>
 #include <linux/linkage.h>
-#include <asm/thread_info.h>
 #include <asm/errno.h>
 #include <asm/setup.h>
 #include <asm/segment.h>

diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c
@@ -166,15 +166,13 @@ void __init setup_arch(char **cmdline_p)
 	printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)\n");
 #endif
 
-#ifdef DEBUG
-	printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
-		"BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
-		(int) &_sdata, (int) &_edata,
-		(int) &_sbss, (int) &_ebss);
-	printk(KERN_DEBUG "MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ",
-		(int) &_ebss, (int) memory_start,
-		(int) memory_start, (int) memory_end);
-#endif
+	pr_debug("KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
+		 "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
+		 (int) &_sdata, (int) &_edata,
+		 (int) &_sbss, (int) &_ebss);
+	pr_debug("MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ",
+		 (int) &_ebss, (int) memory_start,
+		 (int) memory_start, (int) memory_end);
 
 	/* Keep a copy of command line */
 	*cmdline_p = &command_line[0];

diff --git a/arch/m68knommu/mm/init.c b/arch/m68knommu/mm/init.c
@@ -126,9 +126,7 @@ void __init mem_init(void)
 	unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */
 	unsigned long end_mem   = memory_end; /* DAVIDM - this must not include kernel stack at top */
 
-#ifdef DEBUG
-	printk(KERN_DEBUG "Mem_init: start=%lx, end=%lx\n", start_mem, end_mem);
-#endif
+	pr_debug("Mem_init: start=%lx, end=%lx\n", start_mem, end_mem);
 
 	end_mem &= PAGE_MASK;
 	high_memory = (void *) end_mem;

diff --git a/arch/m68knommu/platform/5206/config.c b/arch/m68knommu/platform/5206/config.c
@@ -12,7 +12,6 @@
 #include <linux/kernel.h>
 #include <linux/param.h>
 #include <linux/init.h>
-#include <linux/interrupt.h>
 #include <linux/io.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
@@ -21,10 +20,6 @@
 
 /***************************************************************************/
 
-void coldfire_reset(void);
-
-/***************************************************************************/
-
 static struct mcf_platform_uart m5206_uart_platform[] = {
 	{
 		.mapbase	= MCF_MBAR + MCFUART_BASE1,
@@ -109,10 +104,21 @@ void mcf_settimericr(unsigned int timer, unsigned int level)
 
 /***************************************************************************/
 
+void m5206_cpu_reset(void)
+{
+	local_irq_disable();
+	/* Set watchdog to soft reset, and enabled */
+	__raw_writeb(0xc0, MCF_MBAR + MCFSIM_SYPCR);
+	for (;;)
+		/* wait for watchdog to timeout */;
+}
+
+/***************************************************************************/
+
 void __init config_BSP(char *commandp, int size)
 {
 	mcf_setimr(MCFSIM_IMR_MASKALL);
-	mach_reset = coldfire_reset;
+	mach_reset = m5206_cpu_reset;
 }
 
 /***************************************************************************/

diff --git a/arch/m68knommu/platform/5206e/config.c b/arch/m68knommu/platform/5206e/config.c
@@ -11,7 +11,6 @@
 #include <linux/kernel.h>
 #include <linux/param.h>
 #include <linux/init.h>
-#include <linux/interrupt.h>
 #include <linux/io.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
@@ -21,10 +20,6 @@
 
 /***************************************************************************/
 
-void coldfire_reset(void);
-
-/***************************************************************************/
-
 static struct mcf_platform_uart m5206e_uart_platform[] = {
 	{
 		.mapbase	= MCF_MBAR + MCFUART_BASE1,
@@ -109,6 +104,17 @@ void mcf_settimericr(unsigned int timer, unsigned int level)
 
 /***************************************************************************/
 
+void m5206e_cpu_reset(void)
+{
+	local_irq_disable();
+	/* Set watchdog to soft reset, and enabled */
+	__raw_writeb(0xc0, MCF_MBAR + MCFSIM_SYPCR);
+	for (;;)
+		/* wait for watchdog to timeout */;
+}
+
+/***************************************************************************/
+
 void __init config_BSP(char *commandp, int size)
 {
 	mcf_setimr(MCFSIM_IMR_MASKALL);
@@ -119,7 +125,7 @@ void __init config_BSP(char *commandp, int size)
 	commandp[size-1] = 0;
 #endif /* CONFIG_NETtel */
 
-	mach_reset = coldfire_reset;
+	mach_reset = m5206e_cpu_reset;
 }
 
 /***************************************************************************/

diff --git a/arch/m68knommu/platform/520x/config.c b/arch/m68knommu/platform/520x/config.c
@@ -14,7 +14,6 @@
 #include <linux/kernel.h>
 #include <linux/param.h>
 #include <linux/init.h>
-#include <linux/interrupt.h>
 #include <linux/io.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
@@ -23,10 +22,6 @@
 
 /***************************************************************************/
 
-void coldfire_reset(void);
-
-/***************************************************************************/
-
 static struct mcf_platform_uart m520x_uart_platform[] = {
 	{
 		.mapbase	= MCF_MBAR + MCFUART_BASE1,
@@ -169,9 +164,17 @@ void mcf_autovector(unsigned int vec)
 
 /***************************************************************************/
 
+static void m520x_cpu_reset(void)
+{
+	local_irq_disable();
+	__raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
+}
+
+/***************************************************************************/
+
 void __init config_BSP(char *commandp, int size)
 {
-	mach_reset = coldfire_reset;
+	mach_reset = m520x_cpu_reset;
 	m520x_uarts_init();
 	m520x_fec_init();
 }