* [Xenomai] Flexcan RT driver registration failed
@ 2015-05-05 11:22 Wolfgang Netbal
2015-05-05 13:32 ` Wolfgang Grandegger
0 siblings, 1 reply; 6+ messages in thread
From: Wolfgang Netbal @ 2015-05-05 11:22 UTC (permalink / raw)
To: xenomai
Dear All,
I have a custom board with an imx6dl using freescale yocto 3.10.53 with
Xenomai 2.6.4.
The probe function works fine while booting the kernel
RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
rtcan: registered rtcan0
flexcan 2090000.can: RTCAN device registered (reg_base=d0c00000,
irq=142, clock=66000000)
rtcan: registered rtcan1
flexcan 2094000.can: RTCAN device registered (reg_base=d0c08000,
irq=143, clock=66000000)
After Linux started I call the function flexcan_mode_start() and get the
following message and CAN connections doesn't work.
rtcan0: Failed to softreset can module (mcr=0x5b80000f)
I have a working configuration for this board using Kernel 3.0.43 and
Xenomai 2.6.2.1
RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
flexcan netdevice driver
rtcan: registered rtcan0
flexcan imx6q-flexcan.0: RTCAN device registered (reg_base=e0968000,
irq=142, clock=30000000)
rtcan: registered rtcan1
flexcan imx6q-flexcan.1: RTCAN device registered (reg_base=e0970000,
irq=143, clock=30000000)
...
rtcan0: writing ctrl=0x03292005
It seems that the clock is the difference so I checked the values of
register CCM_CCGR0
3.0.43 address 0x20C4068 is set to 0x7fc03f
3.10.53 address 0x20C4068 is set to 0x4cc00f
so on kernel 3.10.53 are the serial clocks for can disabled.
If anyone has a hint for me how to activate the serial clock in register
CCM_CCGR0 and change the clock to 30000000 that would be great.
Here is the part of the devicetree used to configure flexcan.
#include "imx6dl.dtsi"
/ {
};
/*
* PAD settings
*/
&iomuxc {
flexcan1 {
pinctrl_flexcan1_sigmatek: flexcan1grp-sigmatek {
fsl,pins = <
MX6QDL_PAD_SD3_CLK__FLEXCAN1_RX NO_PAD_CTRL
MX6QDL_PAD_SD3_CMD__FLEXCAN1_TX NO_PAD_CTRL
>;
};
};
flexcan2 {
pinctrl_flexcan2_sigmatek: flexcan2grp-sigmatek {
fsl,pins = <
MX6QDL_PAD_SD3_DAT1__FLEXCAN2_RX NO_PAD_CTRL
MX6QDL_PAD_SD3_DAT0__FLEXCAN2_TX NO_PAD_CTRL
>;
};
};
};
/*
* CAN
*/
&flexcan1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan1_sigmatek>;
status = "okay";
};
&flexcan2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan2_sigmatek>;
status = "okay";
};
Kind regards
Wolfgang Netbal
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [Xenomai] Flexcan RT driver registration failed
2015-05-05 11:22 [Xenomai] Flexcan RT driver registration failed Wolfgang Netbal
@ 2015-05-05 13:32 ` Wolfgang Grandegger
2015-05-06 8:26 ` Wolfgang Netbal
0 siblings, 1 reply; 6+ messages in thread
From: Wolfgang Grandegger @ 2015-05-05 13:32 UTC (permalink / raw)
To: wolfgang.netbal; +Cc: xenomai
On Tue, 05 May 2015 13:22:45 +0200, Wolfgang Netbal
<wolfgang.netbal@sigmatek.at> wrote:
> Dear All,
>
> I have a custom board with an imx6dl using freescale yocto 3.10.53 with
> Xenomai 2.6.4.
> The probe function works fine while booting the kernel
>
> RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
> rtcan: registered rtcan0
> flexcan 2090000.can: RTCAN device registered (reg_base=d0c00000,
> irq=142, clock=66000000)
> rtcan: registered rtcan1
> flexcan 2094000.can: RTCAN device registered (reg_base=d0c08000,
> irq=143, clock=66000000)
>
> After Linux started I call the function flexcan_mode_start() and get the
> following message and CAN connections doesn't work.
>
> rtcan0: Failed to softreset can module (mcr=0x5b80000f)
>
> I have a working configuration for this board using Kernel 3.0.43 and
> Xenomai 2.6.2.1
>
> RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
> flexcan netdevice driver
> rtcan: registered rtcan0
> flexcan imx6q-flexcan.0: RTCAN device registered (reg_base=e0968000,
> irq=142, clock=30000000)
> rtcan: registered rtcan1
> flexcan imx6q-flexcan.1: RTCAN device registered (reg_base=e0970000,
> irq=143, clock=30000000)
> ...
> rtcan0: writing ctrl=0x03292005
>
> It seems that the clock is the difference so I checked the values of
> register CCM_CCGR0
> 3.0.43 address 0x20C4068 is set to 0x7fc03f
> 3.10.53 address 0x20C4068 is set to 0x4cc00f
>
> so on kernel 3.10.53 are the serial clocks for can disabled.
>
> If anyone has a hint for me how to activate the serial clock in register
> CCM_CCGR0 and change the clock to 30000000 that would be great.
Have a look into the directory "arch/arm/boot/dts" of a recent kernel tree
and execute therein "grep LEXCAN[12] *.dts*". There are various boards
setting the pins you mention below. Maybe you find some matching hardware.
> Here is the part of the devicetree used to configure flexcan.
>
>
> #include "imx6dl.dtsi"
>
> / {
>
> };
>
> /*
> * PAD settings
> */
> &iomuxc {
> flexcan1 {
> pinctrl_flexcan1_sigmatek: flexcan1grp-sigmatek {
> fsl,pins = <
> MX6QDL_PAD_SD3_CLK__FLEXCAN1_RX NO_PAD_CTRL
> MX6QDL_PAD_SD3_CMD__FLEXCAN1_TX NO_PAD_CTRL
> >;
> };
> };
>
> flexcan2 {
> pinctrl_flexcan2_sigmatek: flexcan2grp-sigmatek {
> fsl,pins = <
> MX6QDL_PAD_SD3_DAT1__FLEXCAN2_RX NO_PAD_CTRL
> MX6QDL_PAD_SD3_DAT0__FLEXCAN2_TX NO_PAD_CTRL
> >;
> };
> };
> };
>
> /*
> * CAN
> */
> &flexcan1 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_flexcan1_sigmatek>;
> status = "okay";
> };
>
> &flexcan2 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_flexcan2_sigmatek>;
> status = "okay";
> };
Hope that already helps.
Wolfgang.
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [Xenomai] Flexcan RT driver registration failed
2015-05-05 13:32 ` Wolfgang Grandegger
@ 2015-05-06 8:26 ` Wolfgang Netbal
2015-05-06 8:51 ` Wolfgang Grandegger
0 siblings, 1 reply; 6+ messages in thread
From: Wolfgang Netbal @ 2015-05-06 8:26 UTC (permalink / raw)
To: wg; +Cc: xenomai
Dear Wolfgang,
thank you for your fast replay.
I'm sure my problems are not from setting the pin configuration, because
I tested configuration also with the default settings.
My issue is that the clock rate is set to 66000000 instead of 30000000
and that can_serial_clock in register CCM_CCG0 is disabled.
Do you hava any idea how to activate the serial_clock for can.
I cant find anything in other devicetree files.
Kind regards
Wolfgang
Am 2015-05-05 um 15:32 schrieb Wolfgang Grandegger:
> On Tue, 05 May 2015 13:22:45 +0200, Wolfgang Netbal
> <wolfgang.netbal@sigmatek.at> wrote:
>> Dear All,
>>
>> I have a custom board with an imx6dl using freescale yocto 3.10.53 with
>> Xenomai 2.6.4.
>> The probe function works fine while booting the kernel
>>
>> RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
>> rtcan: registered rtcan0
>> flexcan 2090000.can: RTCAN device registered (reg_base=d0c00000,
>> irq=142, clock=66000000)
>> rtcan: registered rtcan1
>> flexcan 2094000.can: RTCAN device registered (reg_base=d0c08000,
>> irq=143, clock=66000000)
>>
>> After Linux started I call the function flexcan_mode_start() and get the
>> following message and CAN connections doesn't work.
>>
>> rtcan0: Failed to softreset can module (mcr=0x5b80000f)
>>
>> I have a working configuration for this board using Kernel 3.0.43 and
>> Xenomai 2.6.2.1
>>
>> RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
>> flexcan netdevice driver
>> rtcan: registered rtcan0
>> flexcan imx6q-flexcan.0: RTCAN device registered (reg_base=e0968000,
>> irq=142, clock=30000000)
>> rtcan: registered rtcan1
>> flexcan imx6q-flexcan.1: RTCAN device registered (reg_base=e0970000,
>> irq=143, clock=30000000)
>> ...
>> rtcan0: writing ctrl=0x03292005
>>
>> It seems that the clock is the difference so I checked the values of
>> register CCM_CCGR0
>> 3.0.43 address 0x20C4068 is set to 0x7fc03f
>> 3.10.53 address 0x20C4068 is set to 0x4cc00f
>>
>> so on kernel 3.10.53 are the serial clocks for can disabled.
>>
>> If anyone has a hint for me how to activate the serial clock in register
>> CCM_CCGR0 and change the clock to 30000000 that would be great.
> Have a look into the directory "arch/arm/boot/dts" of a recent kernel tree
> and execute therein "grep LEXCAN[12] *.dts*". There are various boards
> setting the pins you mention below. Maybe you find some matching hardware.
>
>> Here is the part of the devicetree used to configure flexcan.
>>
>>
>> #include "imx6dl.dtsi"
>>
>> / {
>>
>> };
>>
>> /*
>> * PAD settings
>> */
>> &iomuxc {
>> flexcan1 {
>> pinctrl_flexcan1_sigmatek: flexcan1grp-sigmatek {
>> fsl,pins = <
>> MX6QDL_PAD_SD3_CLK__FLEXCAN1_RX NO_PAD_CTRL
>> MX6QDL_PAD_SD3_CMD__FLEXCAN1_TX NO_PAD_CTRL
>> >;
>> };
>> };
>>
>> flexcan2 {
>> pinctrl_flexcan2_sigmatek: flexcan2grp-sigmatek {
>> fsl,pins = <
>> MX6QDL_PAD_SD3_DAT1__FLEXCAN2_RX NO_PAD_CTRL
>> MX6QDL_PAD_SD3_DAT0__FLEXCAN2_TX NO_PAD_CTRL
>> >;
>> };
>> };
>> };
>>
>> /*
>> * CAN
>> */
>> &flexcan1 {
>> pinctrl-names = "default";
>> pinctrl-0 = <&pinctrl_flexcan1_sigmatek>;
>> status = "okay";
>> };
>>
>> &flexcan2 {
>> pinctrl-names = "default";
>> pinctrl-0 = <&pinctrl_flexcan2_sigmatek>;
>> status = "okay";
>> };
> Hope that already helps.
>
> Wolfgang
>
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [Xenomai] Flexcan RT driver registration failed
2015-05-06 8:26 ` Wolfgang Netbal
@ 2015-05-06 8:51 ` Wolfgang Grandegger
2015-05-06 14:16 ` Wolfgang Netbal
0 siblings, 1 reply; 6+ messages in thread
From: Wolfgang Grandegger @ 2015-05-06 8:51 UTC (permalink / raw)
To: wolfgang.netbal; +Cc: xenomai
On Wed, 06 May 2015 10:26:52 +0200, Wolfgang Netbal
<wolfgang.netbal@sigmatek.at> wrote:
> Dear Wolfgang,
>
> thank you for your fast replay.
>
> I'm sure my problems are not from setting the pin configuration, because
> I tested configuration also with the default settings.
>
> My issue is that the clock rate is set to 66000000 instead of 30000000
> and that can_serial_clock in register CCM_CCG0 is disabled.
>
> Do you hava any idea how to activate the serial_clock for can.
> I cant find anything in other devicetree files.
Looking to the Flexcan function "register_flexcandev()" of the 3.10
mainline kernel here:
http://lxr.free-electrons.com/source/drivers/net/can/flexcan.c#L1083
I realize that the Xenomai kernel support of that driver is not
correct. Could you please replace *all* "KERNEL_VERSION(3,11,0)" with
"KERNEL_VERSION(3,10,0)" in your "rtcan_flexcan.c".
Hope it helps.
Wolfgang.
> Kind regards
> Wolfgang
>
> Am 2015-05-05 um 15:32 schrieb Wolfgang Grandegger:
>> On Tue, 05 May 2015 13:22:45 +0200, Wolfgang Netbal
>> <wolfgang.netbal@sigmatek.at> wrote:
>>> Dear All,
>>>
>>> I have a custom board with an imx6dl using freescale yocto 3.10.53
with
>>> Xenomai 2.6.4.
>>> The probe function works fine while booting the kernel
>>>
>>> RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
>>> rtcan: registered rtcan0
>>> flexcan 2090000.can: RTCAN device registered (reg_base=d0c00000,
>>> irq=142, clock=66000000)
>>> rtcan: registered rtcan1
>>> flexcan 2094000.can: RTCAN device registered (reg_base=d0c08000,
>>> irq=143, clock=66000000)
>>>
>>> After Linux started I call the function flexcan_mode_start() and get
the
>>> following message and CAN connections doesn't work.
>>>
>>> rtcan0: Failed to softreset can module (mcr=0x5b80000f)
>>>
>>> I have a working configuration for this board using Kernel 3.0.43 and
>>> Xenomai 2.6.2.1
>>>
>>> RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
>>> flexcan netdevice driver
>>> rtcan: registered rtcan0
>>> flexcan imx6q-flexcan.0: RTCAN device registered (reg_base=e0968000,
>>> irq=142, clock=30000000)
>>> rtcan: registered rtcan1
>>> flexcan imx6q-flexcan.1: RTCAN device registered (reg_base=e0970000,
>>> irq=143, clock=30000000)
>>> ...
>>> rtcan0: writing ctrl=0x03292005
>>>
>>> It seems that the clock is the difference so I checked the values of
>>> register CCM_CCGR0
>>> 3.0.43 address 0x20C4068 is set to 0x7fc03f
>>> 3.10.53 address 0x20C4068 is set to 0x4cc00f
>>>
>>> so on kernel 3.10.53 are the serial clocks for can disabled.
>>>
>>> If anyone has a hint for me how to activate the serial clock in
register
>>> CCM_CCGR0 and change the clock to 30000000 that would be great.
>> Have a look into the directory "arch/arm/boot/dts" of a recent kernel
>> tree
>> and execute therein "grep LEXCAN[12] *.dts*". There are various boards
>> setting the pins you mention below. Maybe you find some matching
>> hardware.
>>
>>> Here is the part of the devicetree used to configure flexcan.
>>>
>>>
>>> #include "imx6dl.dtsi"
>>>
>>> / {
>>>
>>> };
>>>
>>> /*
>>> * PAD settings
>>> */
>>> &iomuxc {
>>> flexcan1 {
>>> pinctrl_flexcan1_sigmatek: flexcan1grp-sigmatek {
>>> fsl,pins = <
>>> MX6QDL_PAD_SD3_CLK__FLEXCAN1_RX NO_PAD_CTRL
>>> MX6QDL_PAD_SD3_CMD__FLEXCAN1_TX NO_PAD_CTRL
>>> >;
>>> };
>>> };
>>>
>>> flexcan2 {
>>> pinctrl_flexcan2_sigmatek: flexcan2grp-sigmatek {
>>> fsl,pins = <
>>> MX6QDL_PAD_SD3_DAT1__FLEXCAN2_RX NO_PAD_CTRL
>>> MX6QDL_PAD_SD3_DAT0__FLEXCAN2_TX NO_PAD_CTRL
>>> >;
>>> };
>>> };
>>> };
>>>
>>> /*
>>> * CAN
>>> */
>>> &flexcan1 {
>>> pinctrl-names = "default";
>>> pinctrl-0 = <&pinctrl_flexcan1_sigmatek>;
>>> status = "okay";
>>> };
>>>
>>> &flexcan2 {
>>> pinctrl-names = "default";
>>> pinctrl-0 = <&pinctrl_flexcan2_sigmatek>;
>>> status = "okay";
>>> };
>> Hope that already helps.
>>
>> Wolfgang
>>
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [Xenomai] Flexcan RT driver registration failed
2015-05-06 8:51 ` Wolfgang Grandegger
@ 2015-05-06 14:16 ` Wolfgang Netbal
2015-05-06 14:33 ` Wolfgang Grandegger
0 siblings, 1 reply; 6+ messages in thread
From: Wolfgang Netbal @ 2015-05-06 14:16 UTC (permalink / raw)
To: wg; +Cc: xenomai
Am 2015-05-06 um 10:51 schrieb Wolfgang Grandegger:
> On Wed, 06 May 2015 10:26:52 +0200, Wolfgang Netbal
> <wolfgang.netbal@sigmatek.at> wrote:
>> Dear Wolfgang,
>>
>> thank you for your fast replay.
>>
>> I'm sure my problems are not from setting the pin configuration, because
>> I tested configuration also with the default settings.
>>
>> My issue is that the clock rate is set to 66000000 instead of 30000000
>> and that can_serial_clock in register CCM_CCG0 is disabled.
>>
>> Do you hava any idea how to activate the serial_clock for can.
>> I cant find anything in other devicetree files.
> Looking to the Flexcan function "register_flexcandev()" of the 3.10
> mainline kernel here:
>
> http://lxr.free-electrons.com/source/drivers/net/can/flexcan.c#L1083
>
> I realize that the Xenomai kernel support of that driver is not
> correct. Could you please replace *all* "KERNEL_VERSION(3,11,0)" with
> "KERNEL_VERSION(3,10,0)" in your "rtcan_flexcan.c".
I made a cherry-pick of commit "can/flexcan: fixup for kernel release >=
3.11" (a7b7adec9123dc60587d160f0818322a9a547630
<http://git.xenomai.org/xenomai-2.6.git/commit/?id=a7b7adec9123dc60587d160f0818322a9a547630>)
from xenomai-2.6.git <http://git.xenomai.org/xenomai-2.6.git/>
and replaced all "KERNEL_VERSION(3,11,0)" with "KERNEL_VERSION(3,10,0)"
and it works.
Thanks a lot Wolfgang
> Hope it helps.
>
> Wolfgang.
>
>> Kind regards
>> Wolfgang
>>
>> Am 2015-05-05 um 15:32 schrieb Wolfgang Grandegger:
>>> On Tue, 05 May 2015 13:22:45 +0200, Wolfgang Netbal
>>> <wolfgang.netbal@sigmatek.at> wrote:
>>>> Dear All,
>>>>
>>>> I have a custom board with an imx6dl using freescale yocto 3.10.53
> with
>>>> Xenomai 2.6.4.
>>>> The probe function works fine while booting the kernel
>>>>
>>>> RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
>>>> rtcan: registered rtcan0
>>>> flexcan 2090000.can: RTCAN device registered (reg_base=d0c00000,
>>>> irq=142, clock=66000000)
>>>> rtcan: registered rtcan1
>>>> flexcan 2094000.can: RTCAN device registered (reg_base=d0c08000,
>>>> irq=143, clock=66000000)
>>>>
>>>> After Linux started I call the function flexcan_mode_start() and get
> the
>>>> following message and CAN connections doesn't work.
>>>>
>>>> rtcan0: Failed to softreset can module (mcr=0x5b80000f)
>>>>
>>>> I have a working configuration for this board using Kernel 3.0.43 and
>>>> Xenomai 2.6.2.1
>>>>
>>>> RT-Socket-CAN 0.90.2 - (C) 2006 RT-Socket-CAN Development Team
>>>> flexcan netdevice driver
>>>> rtcan: registered rtcan0
>>>> flexcan imx6q-flexcan.0: RTCAN device registered (reg_base=e0968000,
>>>> irq=142, clock=30000000)
>>>> rtcan: registered rtcan1
>>>> flexcan imx6q-flexcan.1: RTCAN device registered (reg_base=e0970000,
>>>> irq=143, clock=30000000)
>>>> ...
>>>> rtcan0: writing ctrl=0x03292005
>>>>
>>>> It seems that the clock is the difference so I checked the values of
>>>> register CCM_CCGR0
>>>> 3.0.43 address 0x20C4068 is set to 0x7fc03f
>>>> 3.10.53 address 0x20C4068 is set to 0x4cc00f
>>>>
>>>> so on kernel 3.10.53 are the serial clocks for can disabled.
>>>>
>>>> If anyone has a hint for me how to activate the serial clock in
> register
>>>> CCM_CCGR0 and change the clock to 30000000 that would be great.
>>> Have a look into the directory "arch/arm/boot/dts" of a recent kernel
>>> tree
>>> and execute therein "grep LEXCAN[12] *.dts*". There are various boards
>>> setting the pins you mention below. Maybe you find some matching
>>> hardware.
>>>
>>>> Here is the part of the devicetree used to configure flexcan.
>>>>
>>>>
>>>> #include "imx6dl.dtsi"
>>>>
>>>> / {
>>>>
>>>> };
>>>>
>>>> /*
>>>> * PAD settings
>>>> */
>>>> &iomuxc {
>>>> flexcan1 {
>>>> pinctrl_flexcan1_sigmatek: flexcan1grp-sigmatek {
>>>> fsl,pins = <
>>>> MX6QDL_PAD_SD3_CLK__FLEXCAN1_RX NO_PAD_CTRL
>>>> MX6QDL_PAD_SD3_CMD__FLEXCAN1_TX NO_PAD_CTRL
>>>> >;
>>>> };
>>>> };
>>>>
>>>> flexcan2 {
>>>> pinctrl_flexcan2_sigmatek: flexcan2grp-sigmatek {
>>>> fsl,pins = <
>>>> MX6QDL_PAD_SD3_DAT1__FLEXCAN2_RX NO_PAD_CTRL
>>>> MX6QDL_PAD_SD3_DAT0__FLEXCAN2_TX NO_PAD_CTRL
>>>> >;
>>>> };
>>>> };
>>>> };
>>>>
>>>> /*
>>>> * CAN
>>>> */
>>>> &flexcan1 {
>>>> pinctrl-names = "default";
>>>> pinctrl-0 = <&pinctrl_flexcan1_sigmatek>;
>>>> status = "okay";
>>>> };
>>>>
>>>> &flexcan2 {
>>>> pinctrl-names = "default";
>>>> pinctrl-0 = <&pinctrl_flexcan2_sigmatek>;
>>>> status = "okay";
>>>> };
>>> Hope that already helps.
>>>
>>> Wolfgang
>>>
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [Xenomai] Flexcan RT driver registration failed
2015-05-06 14:16 ` Wolfgang Netbal
@ 2015-05-06 14:33 ` Wolfgang Grandegger
0 siblings, 0 replies; 6+ messages in thread
From: Wolfgang Grandegger @ 2015-05-06 14:33 UTC (permalink / raw)
To: wolfgang.netbal; +Cc: xenomai
On Wed, 06 May 2015 16:16:22 +0200, Wolfgang Netbal
<wolfgang.netbal@sigmatek.at> wrote:
> Am 2015-05-06 um 10:51 schrieb Wolfgang Grandegger:
>
> On Wed, 06 May 2015 10:26:52 +0200, Wolfgang Netbal
> [1] wrote:
>
> Dear Wolfgang,
>
> thank you for your fast replay.
>
> I'm sure my problems are not from setting the pin configuration, because
>
> I tested configuration also with the default settings.
>
> My issue is that the clock rate is set to 66000000 instead of 30000000
> and that can_serial_clock in register CCM_CCG0 is disabled.
>
> Do you hava any idea how to activate the serial_clock for can.
> I cant find anything in other devicetree files.
>
> Looking to the Flexcan function "register_flexcandev()" of the 3.10
> mainline kernel here:
>
> http://lxr.free-electrons.com/source/drivers/net/can/flexcan.c#L1083
[2]
>
> I realize that the Xenomai kernel support of that driver is not
> correct. Could you please replace *all* "KERNEL_VERSION(3,11,0)" with
> "KERNEL_VERSION(3,10,0)" in your "rtcan_flexcan.c".
>
> I made a cherry-pick of commit "can/flexcan: fixup for kernel release
>>= 3.11" (a7b7adec9123dc60587d160f0818322a9a547630 [3]) from
> xenomai-2.6.git [4]
> and replaced all "KERNEL_VERSION(3,11,0)" with "KERNEL_VERSION(3,10,0)"
> and it works.
I just checked... the proper kernel version switch should be >= 3.6.
I'm going to prepare a patch later this week.
Wolfgang.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2015-05-06 14:33 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-05-05 11:22 [Xenomai] Flexcan RT driver registration failed Wolfgang Netbal
2015-05-05 13:32 ` Wolfgang Grandegger
2015-05-06 8:26 ` Wolfgang Netbal
2015-05-06 8:51 ` Wolfgang Grandegger
2015-05-06 14:16 ` Wolfgang Netbal
2015-05-06 14:33 ` Wolfgang Grandegger
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