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Diffstat (limited to 'arch/arm/mach-exynos/firmware.c')
-rw-r--r--arch/arm/mach-exynos/firmware.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index 1bd35763f12e..245f6dec1ded 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -49,6 +49,7 @@ static int exynos_do_idle(unsigned long mode)
sysram_ns_base_addr + 0x24);
__raw_writel(EXYNOS_AFTR_MAGIC, sysram_ns_base_addr + 0x20);
if (soc_is_exynos3250()) {
+ flush_cache_all();
exynos_smc(SMC_CMD_SAVE, OP_TYPE_CORE,
SMC_POWERSTATE_IDLE, 0);
exynos_smc(SMC_CMD_SHUTDOWN, OP_TYPE_CLUSTER,
@@ -104,6 +105,22 @@ static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
return 0;
}
+static int exynos_get_cpu_boot_addr(int cpu, unsigned long *boot_addr)
+{
+ void __iomem *boot_reg;
+
+ if (!sysram_ns_base_addr)
+ return -ENODEV;
+
+ boot_reg = sysram_ns_base_addr + 0x1c;
+
+ if (soc_is_exynos4412())
+ boot_reg += 4 * cpu;
+
+ *boot_addr = __raw_readl(boot_reg);
+ return 0;
+}
+
static int exynos_cpu_suspend(unsigned long arg)
{
flush_cache_all();
@@ -138,6 +155,7 @@ static int exynos_resume(void)
static const struct firmware_ops exynos_firmware_ops = {
.do_idle = IS_ENABLED(CONFIG_EXYNOS_CPU_SUSPEND) ? exynos_do_idle : NULL,
.set_cpu_boot_addr = exynos_set_cpu_boot_addr,
+ .get_cpu_boot_addr = exynos_get_cpu_boot_addr,
.cpu_boot = exynos_cpu_boot,
.suspend = IS_ENABLED(CONFIG_PM_SLEEP) ? exynos_suspend : NULL,
.resume = IS_ENABLED(CONFIG_EXYNOS_CPU_SUSPEND) ? exynos_resume : NULL,