From: Tomasz Figa <tomasz.figa@gmail.com>
To: Chander Kashyap <chander.kashyap@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-serial@vger.kernel.org,
kgene.kim@samsung.com, t.figa@samsung.com,
s.nawrocki@samsung.com, thomas.ab@samsung.com
Subject: Re: [PATCH 04/13] ARM: dts: list the CPU nodes for Exynos5250
Date: Sat, 08 Jun 2013 13:16:15 +0200 [thread overview]
Message-ID: <16514785.Efj3frXj0r@flatron> (raw)
In-Reply-To: <1370516488-25860-4-git-send-email-chander.kashyap@linaro.org>
On Thursday 06 of June 2013 16:31:18 Chander Kashyap wrote:
> 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: Chander Kashyap <chander.kashyap@linaro.org>
> ---
> arch/arm/boot/dts/exynos5250.dtsi | 14 ++++++++++++++
> arch/arm/mach-exynos/platsmp.c | 10 +++++++---
> 2 files changed, 21 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5250.dtsi
> b/arch/arm/boot/dts/exynos5250.dtsi index e571d3b..7f6b1c7 100644
> --- a/arch/arm/boot/dts/exynos5250.dtsi
> +++ b/arch/arm/boot/dts/exynos5250.dtsi
> @@ -50,6 +50,20 @@
> pinctrl3 = &pinctrl_3;
> };
>
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cpu@0 {
> + compatible = "arm,cortex-a15";
> + reg = <0>;
> + };
> + cpu@1 {
> + compatible = "arm,cortex-a15";
> + reg = <1>;
> + };
> + };
> +
> pd_gsc: gsc-power-domain@0x10044000 {
> compatible = "samsung,exynos4210-pd";
> reg = <0x10044000 0x20>;
> diff --git a/arch/arm/mach-exynos/platsmp.c
> b/arch/arm/mach-exynos/platsmp.c index 1a4e4e5..85ea4ca 100644
> --- a/arch/arm/mach-exynos/platsmp.c
> +++ b/arch/arm/mach-exynos/platsmp.c
> @@ -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) {
Looks good. Same thing should be done for remaining Exynos SoCs as well.
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Best regards,
Tomasz
WARNING: multiple messages have this Message-ID (diff)
From: tomasz.figa@gmail.com (Tomasz Figa)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 04/13] ARM: dts: list the CPU nodes for Exynos5250
Date: Sat, 08 Jun 2013 13:16:15 +0200 [thread overview]
Message-ID: <16514785.Efj3frXj0r@flatron> (raw)
In-Reply-To: <1370516488-25860-4-git-send-email-chander.kashyap@linaro.org>
On Thursday 06 of June 2013 16:31:18 Chander Kashyap wrote:
> 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: Chander Kashyap <chander.kashyap@linaro.org>
> ---
> arch/arm/boot/dts/exynos5250.dtsi | 14 ++++++++++++++
> arch/arm/mach-exynos/platsmp.c | 10 +++++++---
> 2 files changed, 21 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5250.dtsi
> b/arch/arm/boot/dts/exynos5250.dtsi index e571d3b..7f6b1c7 100644
> --- a/arch/arm/boot/dts/exynos5250.dtsi
> +++ b/arch/arm/boot/dts/exynos5250.dtsi
> @@ -50,6 +50,20 @@
> pinctrl3 = &pinctrl_3;
> };
>
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cpu at 0 {
> + compatible = "arm,cortex-a15";
> + reg = <0>;
> + };
> + cpu at 1 {
> + compatible = "arm,cortex-a15";
> + reg = <1>;
> + };
> + };
> +
> pd_gsc: gsc-power-domain at 0x10044000 {
> compatible = "samsung,exynos4210-pd";
> reg = <0x10044000 0x20>;
> diff --git a/arch/arm/mach-exynos/platsmp.c
> b/arch/arm/mach-exynos/platsmp.c index 1a4e4e5..85ea4ca 100644
> --- a/arch/arm/mach-exynos/platsmp.c
> +++ b/arch/arm/mach-exynos/platsmp.c
> @@ -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) {
Looks good. Same thing should be done for remaining Exynos SoCs as well.
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Best regards,
Tomasz
next prev parent reply other threads:[~2013-06-08 11:16 UTC|newest]
Thread overview: 128+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-06 11:01 [PATCH 01/13] ARM: Exynos: initialize l2x0 cache controller only for cortex-a9 based SoCs Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 02/13] ARM: Exynos: fix secondary cpu power control register address calculation Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-08 11:05 ` Tomasz Figa
2013-06-08 11:05 ` Tomasz Figa
2013-06-11 13:46 ` Chander Kashyap
2013-06-11 13:46 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 03/13] ARM: dts: fork out common Exynos5 nodes Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 11:14 ` Sachin Kamat
2013-06-06 11:14 ` Sachin Kamat
2013-06-08 11:12 ` Tomasz Figa
2013-06-08 11:12 ` Tomasz Figa
2013-06-11 13:49 ` Chander Kashyap
2013-06-11 13:49 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 04/13] ARM: dts: list the CPU nodes for Exynos5250 Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 16:54 ` Mark Rutland
2013-06-06 16:54 ` Mark Rutland
2013-06-10 9:18 ` Chander Kashyap
2013-06-10 9:18 ` Chander Kashyap
2013-06-08 11:16 ` Tomasz Figa [this message]
2013-06-08 11:16 ` Tomasz Figa
2013-06-10 9:18 ` Chander Kashyap
2013-06-10 9:18 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 05/13] ARM: Exynos: Add support for Exynos5420 SoC Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 06/13] serial: samsung: add support for Exynos5420 Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 11:35 ` Girish KS
2013-06-06 11:35 ` Girish KS
2013-06-10 9:05 ` Chander Kashyap
2013-06-10 9:05 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 07/13] ARM: Exynos: use four additional chipid bits to identify Exynos family Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 08/13] irqchip: exynos-combiner: set irq base as 256 for Exynos5420 Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-08 11:24 ` Tomasz Figa
2013-06-08 11:24 ` Tomasz Figa
2013-06-06 11:01 ` [PATCH 09/13] clk: exynos5420: register clocks using common clock framework Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-08 11:25 ` Tomasz Figa
2013-06-08 11:25 ` Tomasz Figa
2013-06-11 13:22 ` Chander Kashyap
2013-06-11 13:22 ` Chander Kashyap
2013-06-10 11:12 ` sunil joshi
2013-06-10 11:12 ` sunil joshi
2013-06-11 13:23 ` Chander Kashyap
2013-06-11 13:23 ` Chander Kashyap
2013-06-12 21:17 ` Tomasz Figa
2013-06-12 21:17 ` Tomasz Figa
2013-06-12 21:32 ` Andrew Bresticker
2013-06-12 21:32 ` Andrew Bresticker
2013-06-13 5:18 ` Chander Kashyap
2013-06-13 5:18 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 10/13] ARM: dts: Add initial device tree support for Exynos5420 Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 16:34 ` Mark Rutland
2013-06-06 16:34 ` Mark Rutland
2013-06-11 13:35 ` Chander Kashyap
2013-06-11 13:35 ` Chander Kashyap
2013-06-11 14:11 ` Mark Rutland
2013-06-11 14:11 ` Mark Rutland
2013-06-12 5:35 ` Subash Patel
2013-06-12 5:35 ` Subash Patel
2013-06-08 11:38 ` Tomasz Figa
2013-06-08 11:38 ` Tomasz Figa
2013-06-14 13:54 ` Chander Kashyap
2013-06-14 13:54 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 00/10] ARM: Exynos: Add Exynos5420 SoC support Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 01/10] ARM: dts: fork out common Exynos5 nodes Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 02/10] ARM: dts: list the CPU nodes for Exynos5250 Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 03/10] ARM: Exynos: Add support for Exynos5420 SoC Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 04/10] serial: samsung: select Exynos specific driver data if ARCH_EXYNOS is defined Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 05/10] ARM: Exynos: use four additional chipid bits to identify Exynos family Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 06/10] clk: exynos5420: register clocks using common clock framework Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-14 17:26 ` Andrew Bresticker
2013-06-14 17:26 ` Andrew Bresticker
2013-06-17 8:46 ` Chander Kashyap
2013-06-17 8:46 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 07/10] ARM: dts: Add initial device tree support for Exynos5420 Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-17 8:46 ` Mark Rutland
2013-06-17 8:46 ` Mark Rutland
[not found] ` <CAGOxZ51H_dtZN3Nx-=qU+gjHAEwgPA--SZrdiu-sBCANhdKtAw@mail.gmail.com>
2013-06-17 11:08 ` Chander Kashyap
2013-06-17 11:08 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 08/10] clocksource: exynos_mct: use (request/free)_irq calls for local timer registration Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-17 10:01 ` Mark Rutland
2013-06-17 10:01 ` Mark Rutland
2013-06-17 10:29 ` Chander Kashyap
2013-06-17 10:29 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 09/10] ARM: Exynos: add secondary CPU boot base location for Exynos5420 Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-14 14:02 ` [PATCH v2 10/10] ARM: Exynos: extend soft-reset support " Chander Kashyap
2013-06-14 14:02 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 11/13] clocksource: exynos_mct: extend local timer support for four cores Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 16:50 ` Mark Rutland
2013-06-06 16:50 ` Mark Rutland
2013-06-08 11:39 ` Tomasz Figa
2013-06-08 11:39 ` Tomasz Figa
2013-06-11 13:26 ` Chander Kashyap
2013-06-11 13:26 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 12/13] ARM: Exynos: add secondary CPU boot base location for Exynos5420 Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 13/13] ARM: Exynos: extend soft-reset support " Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-06 11:44 ` Tushar Behera
2013-06-06 11:44 ` Tushar Behera
2013-06-10 8:54 ` Kukjin Kim
2013-06-10 8:54 ` Kukjin Kim
2013-06-11 13:24 ` Chander Kashyap
2013-06-11 13:24 ` Chander Kashyap
2013-06-06 11:01 ` [PATCH 00/13] add exynos5420 support Chander Kashyap
2013-06-06 11:01 ` Chander Kashyap
2013-06-08 10:57 ` [PATCH 01/13] ARM: Exynos: initialize l2x0 cache controller only for cortex-a9 based SoCs Tomasz Figa
2013-06-08 10:57 ` Tomasz Figa
2013-06-11 23:58 ` Olof Johansson
2013-06-11 23:58 ` Olof Johansson
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