ARM: OMAP: Warm reset functionality for 34xx

This patch adds the implementation for warm reset functionality for OMAP3.
Signed-off-by: Rohit Choraria <rohitkc@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/prcm.c

@@ -33,6 +33,13 @@ void omap_prcm_arch_reset(char mode)
 {
 	u32 wkup;
 	omap2_clk_prepare_for_reboot();
-	wkup = prm_read_mod_reg(WKUP_MOD, RM_RSTCTRL) | OMAP_RST_DPLL3;
-	prm_write_mod_reg(wkup, WKUP_MOD, RM_RSTCTRL);
+
+	if (cpu_is_omap24xx()) {
+		wkup = prm_read_mod_reg(WKUP_MOD, RM_RSTCTRL) | OMAP_RST_DPLL3;
+		prm_write_mod_reg(wkup, WKUP_MOD, RM_RSTCTRL);
+	} else if (cpu_is_omap34xx()) {
+		wkup = prm_read_mod_reg(OMAP3430_GR_MOD, RM_RSTCTRL)
+							| OMAP_RST_DPLL3;
+		prm_write_mod_reg(wkup, OMAP3430_GR_MOD, RM_RSTCTRL);
+	}
 }

include/asm-arm/arch-omap/system.h

@@ -40,7 +40,7 @@ static inline void omap1_arch_reset(char mode)
 
 static inline void arch_reset(char mode)
 {
-	if (!cpu_is_omap24xx())
+	if (!cpu_class_is_omap2())
 		omap1_arch_reset(mode);
 	else
 		omap_prcm_arch_reset(mode);