[PATCHv2] OMAP: pass the reboot command to the boot loader

Commit Message

Koskinen, Aaro (Nokia - FI/Espoo) Feb. 26, 2010, 10:25 a.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 81872aa..9537f6f 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -133,7 +133,7 @@  u32 omap_prcm_get_reset_sources(void)
 EXPORT_SYMBOL(omap_prcm_get_reset_sources);
 
 /* Resets clock rates and reboots the system. Only called from system.h */
-void omap_prcm_arch_reset(char mode)
+void omap_prcm_arch_reset(char mode, const char *cmd)
 {
 	s16 prcm_offs = 0;
 
@@ -145,7 +145,7 @@  void omap_prcm_arch_reset(char mode)
 		u32 l;
 
 		prcm_offs = OMAP3430_GR_MOD;
-		l = ('B' << 24) | ('M' << 16) | mode;
+		l = ('B' << 24) | ('M' << 16) | (cmd ? (u8)*cmd : 0);
 		/* Reserve the first word in scratchpad for communicating
 		 * with the boot ROM. A pointer to a data structure
 		 * describing the boot process can be stored there,
diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h
index d6a0e27..9fbd914 100644
--- a/arch/arm/plat-omap/include/plat/prcm.h
+++ b/arch/arm/plat-omap/include/plat/prcm.h
@@ -24,7 +24,7 @@ 
 #define __ASM_ARM_ARCH_OMAP_PRCM_H
 
 u32 omap_prcm_get_reset_sources(void);
-void omap_prcm_arch_reset(char mode);
+void omap_prcm_arch_reset(char mode, const char *cmd);
 int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest,
 			 const char *name);
 
diff --git a/arch/arm/plat-omap/include/plat/system.h b/arch/arm/plat-omap/include/plat/system.h
index c58a4ef..d0a119f 100644
--- a/arch/arm/plat-omap/include/plat/system.h
+++ b/arch/arm/plat-omap/include/plat/system.h
@@ -22,7 +22,7 @@  static inline void arch_idle(void)
 	cpu_do_idle();
 }
 
-static inline void omap1_arch_reset(char mode)
+static inline void omap1_arch_reset(char mode, const char *cmd)
 {
 	/*
 	 * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
@@ -43,9 +43,9 @@  static inline void omap1_arch_reset(char mode)
 static inline void arch_reset(char mode, const char *cmd)
 {
 	if (!cpu_class_is_omap2())
-		omap1_arch_reset(mode);
+		omap1_arch_reset(mode, cmd);
 	else
-		omap_prcm_arch_reset(mode);
+		omap_prcm_arch_reset(mode, cmd);
 }
 
 #endif