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>

arch/arm/mach-omap2/Makefile

@@ -34,6 +34,10 @@ obj-$(CONFIG_ARCH_OMAP2420)		+= sram242x.o
 obj-$(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-$(CONFIG_ARCH_OMAP2)		+= pm24xx.o
 obj-$(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

arch/arm/mach-omap2/clock.h

@@ -83,6 +83,32 @@ int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent);
 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,

arch/arm/mach-omap2/opp2xxx.h

@@ -417,7 +417,12 @@ struct prcm_config {
 
 
 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;
 

arch/arm/plat-omap/Kconfig

@@ -7,27 +7,35 @@ config ARCH_OMAP_OTG
 
 choice
 	prompt "OMAP System Type"
-	default ARCH_OMAP1
+	default ARCH_OMAP2PLUS
 
 config ARCH_OMAP1
 	bool "TI OMAP1"
 	select COMMON_CLKDEV
+	help
+	  "Systems based on omap7xx, omap15xx or omap16xx"
+
+config ARCH_OMAP2PLUS
+	bool "TI OMAP2/3/4"
+	select COMMON_CLKDEV
+	help
+	  "Systems based on omap24xx, omap34xx or omap44xx"
 
 config ARCH_OMAP2
 	bool "TI OMAP2"
+	depends on ARCH_OMAP2PLUS
 	select CPU_V6
-	select COMMON_CLKDEV
 
 config ARCH_OMAP3
 	bool "TI OMAP3"
+	depends on ARCH_OMAP2PLUS
 	select CPU_V7
-	select COMMON_CLKDEV
 
 config ARCH_OMAP4
 	bool "TI OMAP4"
+	depends on ARCH_OMAP2PLUS
 	select CPU_V7
 	select ARM_GIC
-	select COMMON_CLKDEV
 
 endchoice
 

arch/arm/plat-omap/gpio.c

@@ -1630,7 +1630,7 @@ static int gpio_2irq(struct gpio_chip *chip, unsigned offset)
 /*---------------------------------------------------------------------*/
 
 static int initialized;
-#if !(defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4))
+#if defined(CONFIG_ARCH_OMAP1) || defined(CONFIG_ARCH_OMAP2)
 static struct clk * gpio_ick;
 #endif