summaryrefslogtreecommitdiff
path: root/arch/arm/mach-exynos/firmware.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-exynos/firmware.c')
-rw-r--r--arch/arm/mach-exynos/firmware.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index f6cb510aee85..eb91d2350f8c 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -30,6 +30,13 @@ static int exynos_do_idle(void)
static int exynos_cpu_boot(int cpu)
{
/*
+ * Exynos3250 doesn't need to send smc command for secondary CPU boot
+ * because Exynos3250 removes WFE in secure mode.
+ */
+ if (soc_is_exynos3250())
+ return 0;
+
+ /*
* The second parameter of SMC_CMD_CPU1BOOT command means CPU id.
* But, Exynos4212 has only one secondary CPU so second parameter
* isn't used for informing secure firmware about CPU id.
@@ -43,9 +50,14 @@ static int exynos_cpu_boot(int cpu)
static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
{
- void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c;
+ void __iomem *boot_reg;
+
+ if (!sysram_ns_base_addr)
+ return -ENODEV;
+
+ boot_reg = sysram_ns_base_addr + 0x1c;
- if (!soc_is_exynos4212())
+ if (!soc_is_exynos4212() && !soc_is_exynos3250())
boot_reg += 4*cpu;
__raw_writel(boot_addr, boot_reg);