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Commit 1897d2f3 authored by Chander Kashyap's avatar Chander Kashyap Committed by Kukjin Kim
Browse files

ARM: dts: list the CPU nodes for EXYNOS5250 



Instead of having to specify the number for CPUs in EXYNOS5250 in
platsmp.c file, let the number of CPUs be determined by having this
information listed in EXYNOS5250 device tree file.

Signed-off-by: default avatarChander Kashyap <chander.kashyap@linaro.org>
Reviewed-by: default avatarTomasz Figa <t.figa@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent e6c21cba

arch/arm/boot/dts/exynos5250.dtsi

+16 −0
Original line number Diff line number Diff line
@@ -52,6 +52,22 @@ 
		pinctrl3 = &pinctrl_3;

	};



	cpus {

		#address-cells = <1>;

		#size-cells = <0>;



		cpu@0 {

			device_type = "cpu";

			compatible = "arm,cortex-a15";

			reg = <0>;

		};

		cpu@1 {

			device_type = "cpu";

			compatible = "arm,cortex-a15";

			reg = <1>;

		};

	};



	pd_gsc: gsc-power-domain@0x10044000 {

		compatible = "samsung,exynos4210-pd";

		reg = <0x10044000 0x20>;

arch/arm/mach-exynos/platsmp.c

+7 −3
Original line number Diff line number Diff line
@@ -180,10 +180,14 @@ static void __init exynos_smp_init_cpus(void) 
	void __iomem *scu_base = scu_base_addr();

	unsigned int i, ncores;



	if (soc_is_exynos5250())

		ncores = 2;

	else

	if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)

		ncores = scu_base ? scu_get_core_count(scu_base) : 1;

	else

		/*

		 * CPU Nodes are passed thru DT and set_cpu_possible

		 * is set by "arm_dt_init_cpu_maps".

		 */

		return;



	/* sanity check */

	if (ncores > nr_cpu_ids) {