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[PATCH] ARM: configs: keystone: Add ramdisk support

Started byNishanth Menon <nm@ti.com>
First post2015-10-07 21:30 +0200
Last post2015-10-07 22:40 +0200
Articles 6 — 3 participants

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  [PATCH] ARM: configs: keystone: Add ramdisk support Nishanth Menon <nm@ti.com> - 2015-10-07 21:30 +0200
    Re: [PATCH] ARM: configs: keystone: Add ramdisk support Arnd Bergmann <arnd@arndb.de> - 2015-10-07 21:40 +0200
      Re: [PATCH] ARM: configs: keystone: Add ramdisk support Nishanth Menon <nm@ti.com> - 2015-10-07 22:00 +0200
        Re: [PATCH] ARM: configs: keystone: Add ramdisk support santosh shilimkar <santosh.shilimkar@oracle.com> - 2015-10-07 22:40 +0200
          Re: [PATCH] ARM: configs: keystone: Add ramdisk support Nishanth Menon <nm@ti.com> - 2015-10-07 22:50 +0200
      Re: [PATCH] ARM: configs: keystone: Add ramdisk support santosh shilimkar <santosh.shilimkar@oracle.com> - 2015-10-07 22:40 +0200

#1241752 — [PATCH] ARM: configs: keystone: Add ramdisk support

FromNishanth Menon <nm@ti.com>
Date2015-10-07 21:30 +0200
Subject[PATCH] ARM: configs: keystone: Add ramdisk support
Message-ID<qh2zw-5LZ-23@gated-at.bofh.it>
Add ramdisk support to allow for minimal kernel to be supported.

Signed-off-by: Nishanth Menon <nm@ti.com>
---

Based on next-20151007 (with SPI disabled)
test: http://pastebin.ubuntu.com/12707715/

 arch/arm/configs/keystone_defconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig
index 5bcc9cf9d8f1..836674b74b4f 100644
--- a/arch/arm/configs/keystone_defconfig
+++ b/arch/arm/configs/keystone_defconfig
@@ -124,6 +124,8 @@ CONFIG_MTD_NAND_DAVINCI=y
 CONFIG_MTD_SPI_NOR=y
 CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8096
 CONFIG_EEPROM_AT24=y
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
-- 
2.1.4

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#1241755

FromArnd Bergmann <arnd@arndb.de>
Date2015-10-07 21:40 +0200
Message-ID<qh2Jc-5Xd-11@gated-at.bofh.it>
In reply to#1241752
On Wednesday 07 October 2015 14:28:09 Nishanth Menon wrote:
> Add ramdisk support to allow for minimal kernel to be supported.
> 
> Signed-off-by: Nishanth Menon <nm@ti.com>
> 

I have not seen that in a while. Can you explain why the normal
initramfs method doesn't work on keystone?

	Arnd
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#1241759

FromNishanth Menon <nm@ti.com>
Date2015-10-07 22:00 +0200
Message-ID<qh32y-6kb-7@gated-at.bofh.it>
In reply to#1241755
On 10/07/2015 02:37 PM, Arnd Bergmann wrote:
> On Wednesday 07 October 2015 14:28:09 Nishanth Menon wrote:
>> Add ramdisk support to allow for minimal kernel to be supported.
>>
>> Signed-off-by: Nishanth Menon <nm@ti.com>
>>
> 
> I have not seen that in a while. Can you explain why the normal
> initramfs method doesn't work on keystone?

It probably does - I have'nt used it - i am using an initrd thanks to
legacy testing support framework I am stuck with. The SoC I am
attempting to bring up has no support (yet) for any storage device for
filesystem yet.


-- 
Regards,
Nishanth Menon
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#1241793

Fromsantosh shilimkar <santosh.shilimkar@oracle.com>
Date2015-10-07 22:40 +0200
Message-ID<qh3Fg-7jt-15@gated-at.bofh.it>
In reply to#1241759
Nishant,

On 10/7/2015 12:56 PM, Nishanth Menon wrote:
> On 10/07/2015 02:37 PM, Arnd Bergmann wrote:
>> On Wednesday 07 October 2015 14:28:09 Nishanth Menon wrote:
>>> Add ramdisk support to allow for minimal kernel to be supported.
>>>
>>> Signed-off-by: Nishanth Menon <nm@ti.com>
>>>
>>
>> I have not seen that in a while. Can you explain why the normal
>> initramfs method doesn't work on keystone?
>
> It probably does - I have'nt used it - i am using an initrd thanks to
> legacy testing support framework I am stuck with. The SoC I am
> attempting to bring up has no support (yet) for any storage device for
> filesystem yet.
>
If not checked already, please check with Vitaly.

Regards,
Santosh

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#1241797

FromNishanth Menon <nm@ti.com>
Date2015-10-07 22:50 +0200
Message-ID<qh3OV-7uS-7@gated-at.bofh.it>
In reply to#1241793
On 10/07/2015 03:31 PM, santosh shilimkar wrote:
> Nishant,
> 
> On 10/7/2015 12:56 PM, Nishanth Menon wrote:
>> On 10/07/2015 02:37 PM, Arnd Bergmann wrote:
>>> On Wednesday 07 October 2015 14:28:09 Nishanth Menon wrote:
>>>> Add ramdisk support to allow for minimal kernel to be supported.
>>>>
>>>> Signed-off-by: Nishanth Menon <nm@ti.com>
>>>>
>>>
>>> I have not seen that in a while. Can you explain why the normal
>>> initramfs method doesn't work on keystone?
>>
>> It probably does - I have'nt used it - i am using an initrd thanks to
>> legacy testing support framework I am stuck with. The SoC I am
>> attempting to bring up has no support (yet) for any storage device for
>> filesystem yet.
>>
> If not checked already, please check with Vitaly.

I suppose the message is no initrd.. OK. will drop this patch.


-- 
Regards,
Nishanth Menon
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#1241791

Fromsantosh shilimkar <santosh.shilimkar@oracle.com>
Date2015-10-07 22:40 +0200
Message-ID<qh3Fg-7jt-17@gated-at.bofh.it>
In reply to#1241755
On 10/7/2015 12:37 PM, Arnd Bergmann wrote:
> On Wednesday 07 October 2015 14:28:09 Nishanth Menon wrote:
>> Add ramdisk support to allow for minimal kernel to be supported.
>>
>> Signed-off-by: Nishanth Menon <nm@ti.com>
>>
>
> I have not seen that in a while. Can you explain why the normal
> initramfs method doesn't work on keystone?
>
It should work. It has been while I tried it, but IIRC, it use
to work. At least can't recollect any issue around it.

Regards,
Santosh

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