From 25c8db09c70864d9ba97858c2855484c2874e55a Mon Sep 17 00:00:00 2001
From: Tomasz Figa <t.figa@samsung.com>
Date: Sat, 24 Nov 2012 11:13:48 +0900
Subject: [PATCH] --- yaml --- r: 340150 b: refs/heads/master c:
 1f054f52ee7c4f62b4ea352e95943f032d19cc15 h: refs/heads/master v: v3

---
 [refs]                               |  2 +-
 trunk/arch/arm/mach-exynos/platsmp.c | 30 ++++++++++++++++++++++------
 2 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/[refs] b/[refs]
index 24151dc2031a..d79063036dcf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5fa23dde6e9a20a9c4bb3ff280ed84478829540d
+refs/heads/master: 1f054f52ee7c4f62b4ea352e95943f032d19cc15
diff --git a/trunk/arch/arm/mach-exynos/platsmp.c b/trunk/arch/arm/mach-exynos/platsmp.c
index f93d820ecab5..4ca8ff14a5bf 100644
--- a/trunk/arch/arm/mach-exynos/platsmp.c
+++ b/trunk/arch/arm/mach-exynos/platsmp.c
@@ -36,8 +36,22 @@
 
 extern void exynos4_secondary_startup(void);
 
-#define CPU1_BOOT_REG		(samsung_rev() == EXYNOS4210_REV_1_1 ? \
-				S5P_INFORM5 : S5P_VA_SYSRAM)
+static inline void __iomem *cpu_boot_reg_base(void)
+{
+	if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_1_1)
+		return S5P_INFORM5;
+	return S5P_VA_SYSRAM;
+}
+
+static inline void __iomem *cpu_boot_reg(int cpu)
+{
+	void __iomem *boot_reg;
+
+	boot_reg = cpu_boot_reg_base();
+	if (soc_is_exynos4412())
+		boot_reg += 4*cpu;
+	return boot_reg;
+}
 
 /*
  * Write pen_release in a way that is guaranteed to be visible to all
@@ -84,6 +98,7 @@ static void __cpuinit exynos_secondary_init(unsigned int cpu)
 static int __cpuinit exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
 {
 	unsigned long timeout;
+	unsigned long phys_cpu = cpu_logical_map(cpu);
 
 	/*
 	 * Set synchronisation state between this boot processor
@@ -99,7 +114,7 @@ static int __cpuinit exynos_boot_secondary(unsigned int cpu, struct task_struct
 	 * Note that "pen_release" is the hardware CPU ID, whereas
 	 * "cpu" is Linux's internal ID.
 	 */
-	write_pen_release(cpu_logical_map(cpu));
+	write_pen_release(phys_cpu);
 
 	if (!(__raw_readl(S5P_ARM_CORE1_STATUS) & S5P_CORE_LOCAL_PWR_EN)) {
 		__raw_writel(S5P_CORE_LOCAL_PWR_EN,
@@ -133,7 +148,7 @@ static int __cpuinit exynos_boot_secondary(unsigned int cpu, struct task_struct
 		smp_rmb();
 
 		__raw_writel(virt_to_phys(exynos4_secondary_startup),
-			CPU1_BOOT_REG);
+							cpu_boot_reg(phys_cpu));
 		gic_raise_softirq(cpumask_of(cpu), 0);
 
 		if (pen_release == -1)
@@ -181,6 +196,8 @@ static void __init exynos_smp_init_cpus(void)
 
 static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
 {
+	int i;
+
 	if (!soc_is_exynos5250())
 		scu_enable(scu_base_addr());
 
@@ -190,8 +207,9 @@ static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
 	 * until it receives a soft interrupt, and then the
 	 * secondary CPU branches to this address.
 	 */
-	__raw_writel(virt_to_phys(exynos4_secondary_startup),
-			CPU1_BOOT_REG);
+	for (i = 1; i < max_cpus; ++i)
+		__raw_writel(virt_to_phys(exynos4_secondary_startup),
+					cpu_boot_reg(cpu_logical_map(i)));
 }
 
 struct smp_operations exynos_smp_ops __initdata = {