diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index f7666b9f3b21..9cbae6e059a3 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -257,6 +257,7 @@ extern void gic_dist_enable(void);
 extern bool gic_dist_disabled(void);
 extern void gic_timer_retrigger(void);
 extern void omap_smc1(u32 fn, u32 arg);
+extern void omap4_sar_ram_init(void);
 extern void __iomem *omap4_get_sar_ram_base(void);
 extern void omap_do_wfi(void);
 
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 49de4dd227be..4548cb9f673e 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -690,6 +690,7 @@ void __init omap4430_init_early(void)
 	omap4xxx_check_revision();
 	omap4xxx_check_features();
 	omap2_prcm_base_init();
+	omap4_sar_ram_init();
 	omap4_pm_init_early();
 	omap44xx_voltagedomains_init();
 	omap44xx_powerdomains_init();
@@ -718,6 +719,7 @@ void __init omap5_init_early(void)
 	omap4_pm_init_early();
 	omap2_prcm_base_init();
 	omap5xxx_check_revision();
+	omap4_sar_ram_init();
 	omap54xx_voltagedomains_init();
 	omap54xx_powerdomains_init();
 	omap54xx_clockdomains_init();
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index fb6fe26a8f8f..cf65ab8bb004 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -266,10 +266,11 @@ void __iomem *omap4_get_sar_ram_base(void)
 }
 
 /*
- * SAR RAM used to save and restore the HW
- * context in low power modes
+ * SAR RAM used to save and restore the HW context in low power modes.
+ * Note that we need to initialize this very early for kexec. See
+ * omap4_mpuss_early_init().
  */
-static int __init omap4_sar_ram_init(void)
+void __init omap4_sar_ram_init(void)
 {
 	unsigned long sar_base;
 
@@ -282,16 +283,13 @@ static int __init omap4_sar_ram_init(void)
 	else if (soc_is_omap54xx())
 		sar_base = OMAP54XX_SAR_RAM_BASE;
 	else
-		return -ENOMEM;
+		return;
 
 	/* Static mapping, never released */
 	sar_ram_base = ioremap(sar_base, SZ_16K);
 	if (WARN_ON(!sar_ram_base))
-		return -ENOMEM;
-
-	return 0;
+		return;
 }
-omap_early_initcall(omap4_sar_ram_init);
 
 static const struct of_device_id intc_match[] = {
 	{ .compatible = "ti,omap4-wugen-mpu", },