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-rw-r--r--arch/arm/mach-tegra/platsmp.c25
1 files changed, 3 insertions, 22 deletions
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 3c4a43c892a5..2c6b3d55213b 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -19,6 +19,7 @@
#include <linux/smp.h>
#include <linux/io.h>
#include <linux/irqchip/arm-gic.h>
+#include <linux/clk/tegra.h>
#include <asm/cacheflush.h>
#include <asm/mach-types.h>
@@ -30,7 +31,6 @@
#include "fuse.h"
#include "flowctrl.h"
#include "reset.h"
-#include "tegra_cpu_car.h"
#include "common.h"
#include "iomap.h"
@@ -38,7 +38,6 @@
extern void tegra_secondary_startup(void);
static cpumask_t tegra_cpu_init_mask;
-static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);
#define EVP_CPU_RESET_VECTOR \
(IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE) + 0x100)
@@ -177,34 +176,16 @@ done:
return status;
}
-/*
- * Initialise the CPU possible map early - this describes the CPUs
- * which may be present or become present in the system.
- */
-static void __init tegra_smp_init_cpus(void)
-{
- unsigned int i, ncores = scu_get_core_count(scu_base);
-
- if (ncores > nr_cpu_ids) {
- pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
- ncores, nr_cpu_ids);
- ncores = nr_cpu_ids;
- }
-
- for (i = 0; i < ncores; i++)
- set_cpu_possible(i, true);
-}
-
static void __init tegra_smp_prepare_cpus(unsigned int max_cpus)
{
/* Always mark the boot CPU (CPU0) as initialized. */
cpumask_set_cpu(0, &tegra_cpu_init_mask);
- scu_enable(scu_base);
+ if (scu_a9_has_base())
+ scu_enable(IO_ADDRESS(scu_a9_get_base()));
}
struct smp_operations tegra_smp_ops __initdata = {
- .smp_init_cpus = tegra_smp_init_cpus,
.smp_prepare_cpus = tegra_smp_prepare_cpus,
.smp_secondary_init = tegra_secondary_init,
.smp_boot_secondary = tegra_boot_secondary,