* [PATCH v2 1/4] ARM: dts: imx7d: add arch timer
@ 2016-01-05 17:17 Frank Li
2016-01-05 17:17 ` [PATCH v2 2/4] ARM: imx: select HAVE_ARM_ARCH_TIMER if selected i.MX7D Frank Li
` (3 more replies)
0 siblings, 4 replies; 6+ messages in thread
From: Frank Li @ 2016-01-05 17:17 UTC (permalink / raw)
To: lznuaa, shawnguo; +Cc: devicetree, Frank Li, linux-arm-kernel
From: Frank Li <Frank.Li@freescale.com>
Since uboot v2016.01-rc2, which supported basic psci for i.mx7d.
So imx7d's second core can be enabled by psci.
Without arch timer, every timer event will be boardcasted to each core.
arch timer has local timer irq for each core.
Signed-off-by: Frank Li <Frank.Li@freescale.com>
---
Change from v1 to v2:
* refine commit message show the relationship between smp and arch timer
arch/arm/boot/dts/imx7d.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi
index 489604a..a621af6 100644
--- a/arch/arm/boot/dts/imx7d.dtsi
+++ b/arch/arm/boot/dts/imx7d.dtsi
@@ -119,6 +119,15 @@
clock-output-names = "osc";
};
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+ interrupt-parent = <&intc>;
+ };
+
etr@30086000 {
compatible = "arm,coresight-tmc", "arm,primecell";
reg = <0x30086000 0x1000>;
--
2.5.2
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v2 2/4] ARM: imx: select HAVE_ARM_ARCH_TIMER if selected i.MX7D
2016-01-05 17:17 [PATCH v2 1/4] ARM: dts: imx7d: add arch timer Frank Li
@ 2016-01-05 17:17 ` Frank Li
2016-01-05 17:17 ` [PATCH v2 3/4] ARM: imx: config: enable psci default Frank Li
` (2 subsequent siblings)
3 siblings, 0 replies; 6+ messages in thread
From: Frank Li @ 2016-01-05 17:17 UTC (permalink / raw)
To: lznuaa, shawnguo; +Cc: devicetree, Frank Li, linux-arm-kernel
From: Frank Li <Frank.Li@freescale.com>
i.MX7D Supported ARCH Timer.
Signed-off-by: Frank Li <Frank.Li@freescale.com>
---
Change from v1 to v2:
Sort config
arch/arm/mach-imx/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 0ac180f..43ff3cd 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -561,6 +561,7 @@ config SOC_IMX7D
bool "i.MX7 Dual support"
select PINCTRL_IMX7D
select ARM_GIC
+ select HAVE_ARM_ARCH_TIMER
select HAVE_IMX_ANATOP
select HAVE_IMX_MMDC
help
--
2.5.2
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v2 3/4] ARM: imx: config: enable psci default
2016-01-05 17:17 [PATCH v2 1/4] ARM: dts: imx7d: add arch timer Frank Li
2016-01-05 17:17 ` [PATCH v2 2/4] ARM: imx: select HAVE_ARM_ARCH_TIMER if selected i.MX7D Frank Li
@ 2016-01-05 17:17 ` Frank Li
2016-01-05 17:17 ` [PATCH v2 4/4] ARM: imx7d: correct chip version information Frank Li
[not found] ` <1452014237-12848-1-git-send-email-Frank.Li-3arQi8VN3Tc@public.gmane.org>
3 siblings, 0 replies; 6+ messages in thread
From: Frank Li @ 2016-01-05 17:17 UTC (permalink / raw)
To: lznuaa, shawnguo; +Cc: devicetree, Frank Li, linux-arm-kernel
From: Frank Li <Frank.Li@freescale.com>
i.MX7D uboot support psci firmware.
Enabled psci default.
Signed-off-by: Frank Li <Frank.Li@freescale.com>
---
Change from v1 to v2:
arm to "ARM"
arch/arm/configs/imx_v6_v7_defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index 2d5253d..1e792ef 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -47,6 +47,7 @@ CONFIG_PCI=y
CONFIG_PCI_MSI=y
CONFIG_PCI_IMX6=y
CONFIG_SMP=y
+CONFIG_ARM_PSCI=y
CONFIG_PREEMPT_VOLUNTARY=y
CONFIG_AEABI=y
CONFIG_HIGHMEM=y
--
2.5.2
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v2 4/4] ARM: imx7d: correct chip version information
2016-01-05 17:17 [PATCH v2 1/4] ARM: dts: imx7d: add arch timer Frank Li
2016-01-05 17:17 ` [PATCH v2 2/4] ARM: imx: select HAVE_ARM_ARCH_TIMER if selected i.MX7D Frank Li
2016-01-05 17:17 ` [PATCH v2 3/4] ARM: imx: config: enable psci default Frank Li
@ 2016-01-05 17:17 ` Frank Li
[not found] ` <1452014237-12848-1-git-send-email-Frank.Li-3arQi8VN3Tc@public.gmane.org>
3 siblings, 0 replies; 6+ messages in thread
From: Frank Li @ 2016-01-05 17:17 UTC (permalink / raw)
To: lznuaa, shawnguo; +Cc: devicetree, Frank Li, linux-arm-kernel
From: Frank Li <Frank.Li@freescale.com>
The commond 'cat /sys/devices/soc0/revision' can
show correct soc version information.
"unknow revision" message in imx_print_silicon_rev()
will never work for digprog.
Signed-off-by: Frank Li <Frank.Li@freescale.com>
---
Change from v1 to v2:
fix grammer issues in comments.
arch/arm/mach-imx/anatop.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-imx/anatop.c b/arch/arm/mach-imx/anatop.c
index 231bb25..bd3555e 100644
--- a/arch/arm/mach-imx/anatop.c
+++ b/arch/arm/mach-imx/anatop.c
@@ -151,7 +151,14 @@ void __init imx_init_revision_from_anatop(void)
revision = IMX_CHIP_REVISION_1_5;
break;
default:
- revision = IMX_CHIP_REVISION_UNKNOWN;
+ /*
+ * Fail back to return raw register value instead of 0xff.
+ * It will be easy to know version information in SOC if it
+ * can't be recognized by known version. And some chip's (i.MX7D)
+ * digprog value match linux version format, so it needn't map
+ * again and we can use register value directly.
+ */
+ revision = digprog & 0xff;
}
mxc_set_cpu_type(digprog >> 16 & 0xff);
--
2.5.2
^ permalink raw reply related [flat|nested] 6+ messages in thread[parent not found: <1452014237-12848-1-git-send-email-Frank.Li-3arQi8VN3Tc@public.gmane.org>]
* Re: [PATCH v2 1/4] ARM: dts: imx7d: add arch timer
[not found] ` <1452014237-12848-1-git-send-email-Frank.Li-3arQi8VN3Tc@public.gmane.org>
@ 2016-01-21 22:39 ` Zhi Li
2016-01-28 8:34 ` Shawn Guo
1 sibling, 0 replies; 6+ messages in thread
From: Zhi Li @ 2016-01-21 22:39 UTC (permalink / raw)
To: Frank Li
Cc: Shawn Guo,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Frank Li
On Tue, Jan 5, 2016 at 11:17 AM, Frank Li <Frank.Li-3arQi8VN3Tc@public.gmane.org> wrote:
> From: Frank Li <Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
>
> Since uboot v2016.01-rc2, which supported basic psci for i.mx7d.
> So imx7d's second core can be enabled by psci.
>
> Without arch timer, every timer event will be boardcasted to each core.
> arch timer has local timer irq for each core.
>
> Signed-off-by: Frank Li <Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> ---
Ping
>
> Change from v1 to v2:
> * refine commit message show the relationship between smp and arch timer
>
> arch/arm/boot/dts/imx7d.dtsi | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi
> index 489604a..a621af6 100644
> --- a/arch/arm/boot/dts/imx7d.dtsi
> +++ b/arch/arm/boot/dts/imx7d.dtsi
> @@ -119,6 +119,15 @@
> clock-output-names = "osc";
> };
>
> + timer {
> + compatible = "arm,armv7-timer";
> + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
> + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
> + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
> + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
> + interrupt-parent = <&intc>;
> + };
> +
> etr@30086000 {
> compatible = "arm,coresight-tmc", "arm,primecell";
> reg = <0x30086000 0x1000>;
> --
> 2.5.2
>
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^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [PATCH v2 1/4] ARM: dts: imx7d: add arch timer
[not found] ` <1452014237-12848-1-git-send-email-Frank.Li-3arQi8VN3Tc@public.gmane.org>
2016-01-21 22:39 ` [PATCH v2 1/4] ARM: dts: imx7d: add arch timer Zhi Li
@ 2016-01-28 8:34 ` Shawn Guo
1 sibling, 0 replies; 6+ messages in thread
From: Shawn Guo @ 2016-01-28 8:34 UTC (permalink / raw)
To: Frank Li
Cc: lznuaa-Re5JQEeQqe8AvxtiuMwx3w, devicetree-u79uwXL29TY76Z2rM5mHXA,
Frank Li, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r
On Tue, Jan 05, 2016 at 11:17:14AM -0600, Frank Li wrote:
> From: Frank Li <Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
>
> Since uboot v2016.01-rc2, which supported basic psci for i.mx7d.
> So imx7d's second core can be enabled by psci.
>
> Without arch timer, every timer event will be boardcasted to each core.
> arch timer has local timer irq for each core.
>
> Signed-off-by: Frank Li <Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Applied all, thanks.
--
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^ permalink raw reply [flat|nested] 6+ messages in thread
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2016-01-05 17:17 [PATCH v2 1/4] ARM: dts: imx7d: add arch timer Frank Li
2016-01-05 17:17 ` [PATCH v2 2/4] ARM: imx: select HAVE_ARM_ARCH_TIMER if selected i.MX7D Frank Li
2016-01-05 17:17 ` [PATCH v2 3/4] ARM: imx: config: enable psci default Frank Li
2016-01-05 17:17 ` [PATCH v2 4/4] ARM: imx7d: correct chip version information Frank Li
[not found] ` <1452014237-12848-1-git-send-email-Frank.Li-3arQi8VN3Tc@public.gmane.org>
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2016-01-28 8:34 ` Shawn Guo
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