Merge tag 'imx-fixes-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo...

[cascardo/linux.git] / arch / arm / mach-exynos / exynos.c

diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 90aab4d..f38cf7c 100644 (file)
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -184,6 +184,28 @@ void __init exynos_cpufreq_init(void)
        platform_device_register_simple("exynos-cpufreq", -1, NULL, 0);
 }
 
+void __iomem *sysram_base_addr;
+void __iomem *sysram_ns_base_addr;
+
+void __init exynos_sysram_init(void)
+{
+       struct device_node *node;
+
+       for_each_compatible_node(node, NULL, "samsung,exynos4210-sysram") {
+               if (!of_device_is_available(node))
+                       continue;
+               sysram_base_addr = of_iomap(node, 0);
+               break;
+       }
+
+       for_each_compatible_node(node, NULL, "samsung,exynos4210-sysram-ns") {
+               if (!of_device_is_available(node))
+                       continue;
+               sysram_ns_base_addr = of_iomap(node, 0);
+               break;
+       }
+}
+
 void __init exynos_init_late(void)
 {
        if (of_machine_is_compatible("samsung,exynos5440"))
@@ -198,7 +220,7 @@ static int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
                                        int depth, void *data)
 {
        struct map_desc iodesc;
-       __be32 *reg;
+       const __be32 *reg;
        int len;
 
        if (!of_flat_dt_is_compatible(node, "samsung,exynos4210-chipid") &&
@@ -271,6 +293,13 @@ static void __init exynos_dt_machine_init(void)
                }
        }
 
+       /*
+        * This is called from smp_prepare_cpus if we've built for SMP, but
+        * we still need to set it up for PM and firmware ops if not.
+        */
+       if (!IS_ENABLED(SMP))
+               exynos_sysram_init();
+
        exynos_cpuidle_init();
        exynos_cpufreq_init();