omap2/3: Multiboot compile fixes to compile in omap2 and omap3

Allows compiling in omap2 and omap3.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 34c2867..f6f151c 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -34,6 +34,10 @@
 obj-$(CONFIG_ARCH_OMAP2430)		+= sram243x.o
 obj-$(CONFIG_ARCH_OMAP3)		+= sram34xx.o
 
+AFLAGS_sram242x.o			:=-Wa,-march=armv6
+AFLAGS_sram243x.o			:=-Wa,-march=armv6
+AFLAGS_sram34xx.o			:=-Wa,-march=armv7-a
+
 # Pin multiplexing
 obj-$(CONFIG_ARCH_OMAP3)		+= mux34xx.o
 
@@ -47,6 +51,10 @@
 obj-$(CONFIG_ARCH_OMAP24XX)		+= sleep24xx.o
 obj-$(CONFIG_ARCH_OMAP3)		+= pm34xx.o sleep34xx.o cpuidle34xx.o
 obj-$(CONFIG_PM_DEBUG)			+= pm-debug.o
+
+AFLAGS_sleep24xx.o			:=-Wa,-march=armv6
+AFLAGS_sleep34xx.o			:=-Wa,-march=armv7-a
+
 endif
 
 # PRCM
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index 7bc344b..a6e85f46 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -83,6 +83,32 @@
 u32 omap2_get_dpll_rate(struct clk *clk);
 void omap2_init_dpll_parent(struct clk *clk);
 int omap2_wait_clock_ready(void __iomem *reg, u32 cval, const char *name);
+
+
+#ifdef CONFIG_ARCH_OMAP2
+void omap2xxx_clk_prepare_for_reboot(void);
+#else
+static inline void omap2xxx_clk_prepare_for_reboot(void)
+{
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+void omap3_clk_prepare_for_reboot(void);
+#else
+static inline void omap3_clk_prepare_for_reboot(void)
+{
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP4
+void omap4_clk_prepare_for_reboot(void);
+#else
+static inline void omap4_clk_prepare_for_reboot(void)
+{
+}
+#endif
+
 int omap2_dflt_clk_enable(struct clk *clk);
 void omap2_dflt_clk_disable(struct clk *clk);
 void omap2_clk_dflt_find_companion(struct clk *clk, void __iomem **other_reg,
diff --git a/arch/arm/mach-omap2/opp2xxx.h b/arch/arm/mach-omap2/opp2xxx.h
index ed6df04..38b7305 100644
--- a/arch/arm/mach-omap2/opp2xxx.h
+++ b/arch/arm/mach-omap2/opp2xxx.h
@@ -417,7 +417,12 @@
 
 
 extern const struct prcm_config omap2420_rate_table[];
+
+#ifdef CONFIG_ARCH_OMAP2430
 extern const struct prcm_config omap2430_rate_table[];
+#else
+#define omap2430_rate_table	NULL
+#endif
 extern const struct prcm_config *rate_table;
 extern const struct prcm_config *curr_prcm_set;