From mboxrd@z Thu Jan 1 00:00:00 1970 From: "=?UTF-8?B?6rCV7IOB7Jqw?=" Subject: =?utf-8?q?I_can=27t_see_the_SPI_device_file_i?= =?utf-8?q?n_/dev=2E?= Date: Wed, 08 Aug 2007 09:06:04 +0900 Message-ID: <1186531569955843.2.mail02@mail02> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0697299972==" To: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org --===============0697299972== Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Hi~ =
My developing Environment is below.

Kernel-2.6.22
     tar jxvf linux-2.6.22.1.tar= .bz2
     cd linux-2.6.22.1
   &= nbsp; zcat ../2.6.22-rc1-at91.patch.gz | patch -p1 > patchresult.txtCPU-AT91SAM9260

Through the web searching and kernel documentation, I know that use th= e spidev kernel module.
And I modify arch/at-91/board_sam9260.c file = as like below

static struct spi_board_info ek_spi_devices[] =3D {
{ //spi1.0-slo= t1
   .modalias =3D "spidev",
   .chip_select= =3D 0,
   .max_speed_hz =3D 15*1000*1000,
  = .bus_num=3D1,
},
{ //spi1.1-slot2
   .modalias =3D= "spidev",
   .chip_select =3D 1,
   .max_spe= ed_hz =3D 15*1000*1000,
   .bus_num=3D1,
},
&= nbsp; ~
}

After compiling the kernel, download kernel img to the target.
Ker= nel menu_config.

Device Drivers
SPI support
    [*]SPI suppo= rt
        [*]Debug support for SPI= drivers
     SPI Master Controller Drivers
&nb= sp;    [*]Atmel SPI controller
    = [ ]Bitbanging SPI master
     SPI Protocol Master= s
     [ ]SPI EEPROMs from most vendors
&= nbsp;   [*]User mode SPI device driver support

I execute the "/sbin/mdev -s" command into the target shell as expecti= ng the /dev/spidev.
But I can't see the device file for SPI in target= /dev folder. And I examin my /sys folder at target.
Of course, I can= find the spi device nodes created from modified board_sam9260.c.
Hum= ...I don't know why did not populate the SPI device file in /dev file?

#dmesg | grep spi
atmel_spi atmel_spi.1: Atmel SPI Controller at 0x= fffcc000 (irq 13)
atmel_spi atmel_spi.1: registered master spi1
s= pi spi1.0: setup: 14189714 Hz bpw 8 mode 0x0 -> csr0 0a0a0702
atme= l_spi atmel_spi.1: registered child spi1.0
spi spi1.1: setup: 1418971= 4 Hz bpw 8 mode 0x0 -> csr1 0a0a0702
atmel_spi atmel_spi.1: regist= ered child spi1.1
spi spi1.2: setup: 14189714 Hz bpw 8 mode 0x0 ->= csr2 0a0a0702
atmel_spi atmel_spi.1: registered child spi1.2
spi= spi1.3: setup: 14189714 Hz bpw 8 mode 0x0 -> csr3 0a0a0702
atmel_= spi atmel_spi.1: registered child spi1.3

Does root file system (NFS) has the problem ? or Kernel menu configura= tion ?
Could you teach check point for this problem?

This project name - Access control Unit
The system is configured tw= o kind of board.
Main b'd has the AT91SAM9260 which has the Linux OS.<= BR>Sub b'd has the Atmega2560 which is developing the AVR32 studio.
On= e Main b'd is connected 5 Sub b'd by SPI
Sub b'd is connected door loc= k by wiegend.
Main b'd is connected ACU server by TCP/IP.

And SPI Interface is very important!. Other communication interface is= done.

Please Help me~. I had reported this problems to atmel and at91 but I = did not receive any reply~

<= /a>

--===============0697299972== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ --===============0697299972== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ spi-devel-general mailing list spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org https://lists.sourceforge.net/lists/listinfo/spi-devel-general --===============0697299972==-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Brownell Subject: Re: I can't see the SPI device file in /dev. Date: Tue, 7 Aug 2007 17:51:35 -0700 Message-ID: <200708071751.35247.david-b@pacbell.net> References: <1186531569955843.2.mail02@mail02> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: =?utf-8?q?=EA=B0=95=EC=83=81=EC=9A=B0?= To: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: In-Reply-To: <1186531569955843.2.mail02@mail02> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org T24gVHVlc2RheSAwNyBBdWd1c3QgMjAwNywg6rCV7IOB7JqwIHdyb3RlOgo+IDxzdHlsZT4gQk9E WSB7IGJhY2tncm91bmQtY29sb3I6ICNmZmZmZmY7fSBCT0RZLCBURCwgVEggewo+IGNvbG9yOiBi bGFjazsgZm9udC1mYW1pbHk6IOq1tOumvDsgZm9udC1zaXplOiAxMnB4OyB9IFREIHsKPiBib3Jk ZXI6IDBweH0gUCB7IG1hcmdpbjogMHB4OyB9IDwvc3R5bGU+PFA+SGl+Jm5ic3A7Cj4gPEJSPk15 IGRldmVsb3BpbmcgRW52aXJvbm1lbnQgaXMgYmVsb3cuIDwvUD4gICAKCkkgdGhpbmsgd2Ugc2F3 IHRoaXMgdGhlIGZpcnN0IHRpbWUuICBDb3VsZCB5b3UgcmVwb3N0CldJVEhPVVQgSFRNTD8gIEhU TUwgZW1haWwgbm9ybWFsbHkgZ29lcyBzdHJhaWdodCB0bwp0aGUgdHJhc2guCgoKLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLQpUaGlzIFNGLm5ldCBlbWFpbCBpcyBzcG9uc29yZWQgYnk6IFNwbHVuayBJbmMuClN0 aWxsIGdyZXBwaW5nIHRocm91Z2ggbG9nIGZpbGVzIHRvIGZpbmQgcHJvYmxlbXM/ICBTdG9wLgpO b3cgU2VhcmNoIGxvZyBldmVudHMgYW5kIGNvbmZpZ3VyYXRpb24gZmlsZXMgdXNpbmcgQUpBWCBh bmQgYSBicm93c2VyLgpEb3dubG9hZCB5b3VyIEZSRUUgY29weSBvZiBTcGx1bmsgbm93ID4+ICBo dHRwOi8vZ2V0LnNwbHVuay5jb20vCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCnNwaS1kZXZlbC1nZW5lcmFsIG1haWxpbmcgbGlzdApzcGktZGV2ZWwtZ2Vu ZXJhbEBsaXN0cy5zb3VyY2Vmb3JnZS5uZXQKaHR0cHM6Ly9saXN0cy5zb3VyY2Vmb3JnZS5uZXQv bGlzdHMvbGlzdGluZm8vc3BpLWRldmVsLWdlbmVyYWwK From mboxrd@z Thu Jan 1 00:00:00 1970 From: "=?UTF-8?B?6rCV7IOB7Jqw?=" Subject: Re: =?utf-8?q?I_can=27t_see_the_SPI_device_file_i?= =?utf-8?q?n_/dev=2E?= Date: Wed, 08 Aug 2007 10:27:51 +0900 Message-ID: <1186536477528398.0.mail04@mail04> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1437695236==" Cc: =?UTF-8?B?RGF2aWQgQnJvd25lbGw=?= To: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org --===============1437695236== Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

hum...I'm= sorry.I resend the post

----------------------------------------------------------------------= --------------

Hi~
My developing Environment is below.

Kernel-2.6.22.1
     tar jxvf linux-2.6.22.1.ta= r.bz2
     cd linux-2.6.22.1
   = zcat ../2.6.22-rc1-at91.patch.gz | patch -p1 > patchresult.txt<= BR>CPU-AT91SAM9260

Through the web searching and kernel documentation, I know that use th= e spidev kernel module.
And I modify arch/at-91/board_sam9260.c file = as like below

After compiling the kernel, download kernel img to the target.
Ker= nel menu_config.

Does root file system (NFS) has the problem ? or Kernel menu configura= tion ?
Could you teach check point for this problem?

And SPI Interface is very important!. Other communication interface is= done.

Please Help me~. I had reported this problems to atmel and at91 but I = did not receive any reply~

--===============1437695236== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ --===============1437695236== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ spi-devel-general mailing list spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org https://lists.sourceforge.net/lists/listinfo/spi-devel-general --===============1437695236==-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: SangWoo Kang Subject: I can't see the SPI device file in /dev. Date: Wed, 08 Aug 2007 02:01:29 +0000 (GMT) Message-ID: <30508394.743901186538489274.JavaMail.weblogic@ep_ml20> Reply-To: wizard.kang-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org To: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: Content-return: prohibited MIME-version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org Hi~ My developing Environment is below. Kernel-2.6.22.1 tar jxvf linux-2.6.22.1.tar.bz2 cd linux-2.6.22.1 zcat ../2.6.22-rc1-at91.patch.gz | patch -p1 > patchresult.txt CPU-AT91SAM9260 Through the web searching and kernel documentation, I know that use the spidev kernel module. And I modify arch/at-91/board_sam9260.c file as like below static struct spi_board_info ek_spi_devices[] = { { //spi1.0-slot1 .modalias = "spidev", .chip_select = 0, .max_speed_hz = 15*1000*1000, .bus_num=1, }, { //spi1.1-slot2 .modalias = "spidev", .chip_select = 1, .max_speed_hz = 15*1000*1000, .bus_num=1, }, ~ } After compiling the kernel, download kernel img to the target. Kernel menu_config. Device Drivers SPI support [*]SPI support [*]Debug support for SPI drivers SPI Master Controller Drivers [*]Atmel SPI controller [ ]Bitbanging SPI master SPI Protocol Masters [ ]SPI EEPROMs from most vendors [*]User mode SPI device driver support I execute the "/sbin/mdev -s" command into the target shell as expecting the /dev/spidev. But I can't see the device file for SPI in target /dev folder. And I examin my /sys folder at target. Of course, I can find the spi device nodes created from modified board_sam9260.c. Hum...I don't know why did not populate the SPI device file in /dev file? #dmesg | grep spi atmel_spi atmel_spi.1: Atmel SPI Controller at 0xfffcc000 (irq 13) atmel_spi atmel_spi.1: registered master spi1 spi spi1.0: setup: 14189714 Hz bpw 8 mode 0x0 -> csr0 0a0a0702 atmel_spi atmel_spi.1: registered child spi1.0 spi spi1.1: setup: 14189714 Hz bpw 8 mode 0x0 -> csr1 0a0a0702 atmel_spi atmel_spi.1: registered child spi1.1 spi spi1.2: setup: 14189714 Hz bpw 8 mode 0x0 -> csr2 0a0a0702 atmel_spi atmel_spi.1: registered child spi1.2 spi spi1.3: setup: 14189714 Hz bpw 8 mode 0x0 -> csr3 0a0a0702 atmel_spi atmel_spi.1: registered child spi1.3 Does root file system (NFS) has the problem ? or Kernel menu configuration ? Could you teach check point for this problem? This project name - Access control Unit The system is configured two kind of board. Main b'd has the AT91SAM9260 which has the Linux OS. Sub b'd has the Atmega2560 which is developing the AVR32 studio. One Main b'd is connected 5 Sub b'd by SPI Sub b'd is connected door lock by wiegend. Main b'd is connected ACU server by TCP/IP. And SPI Interface is very important!. Other communication interface is done. Please Help me~. I had reported this problems to atmel and at91 but I did not receive any reply~ ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Brownell Subject: Re: I can't see the SPI device file in /dev. Date: Wed, 8 Aug 2007 10:15:49 -0700 Message-ID: <200708081015.49600.david-b@pacbell.net> References: <30508394.743901186538489274.JavaMail.weblogic@ep_ml20> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: =?utf-8?q?=EA=B0=95=EC=83=81=EC=9A=B0?= To: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, wizard.kang-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org Return-path: In-Reply-To: <30508394.743901186538489274.JavaMail.weblogic@ep_ml20> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org On Tuesday 07 August 2007, SangWoo Kang wrote: > Hi~ > My developing Environment is below. > Kernel-2.6.22.1 > tar jxvf linux-2.6.22.1.tar.bz2 > cd linux-2.6.22.1 > zcat ../2.6.22-rc1-at91.patch.gz | patch -p1 > patchresult.txt 2.6.22-rc1 is pretty old compared to 2.6.22.1 ... are you sure all those patches are still relevant, and they applied OK? > CPU-AT91SAM9260 > Through the web searching and kernel documentation, I know that use > the spidev kernel module. > And I modify arch/at-91/board_sam9260.c file as like below > > static struct spi_board_info ek_spi_devices[] = { > { //spi1.0-slot1 > .modalias = "spidev", > .chip_select = 0, > .max_speed_hz = 15*1000*1000, > .bus_num=1, > }, > { //spi1.1-slot2 > .modalias = "spidev", > .chip_select = 1, > .max_speed_hz = 15*1000*1000, > .bus_num=1, > }, Those look right. I'd then expect /dev entries for spidev1.0 and spidev1.1 after "mdev" does its stuff. > ~ > } > > After compiling the kernel, download kernel img to the target. > Kernel menu_config. > > Device Drivers > SPI support > [*]SPI support > [*]Debug support for SPI drivers > SPI Master Controller Drivers > [*]Atmel SPI controller > [ ]Bitbanging SPI master > SPI Protocol Masters > [ ]SPI EEPROMs from most vendors > [*]User mode SPI device driver support Looks right. > I execute the "/sbin/mdev -s" command into the target shell as expecting > the /dev/spidev. > But I can't see the device file for SPI in target /dev folder. And I > examin my /sys folder at target. > Of course, I can find the spi device nodes created from modified board_sam9260.c. > Hum...I don't know why did not populate the SPI device file in /dev file? I just set up spi0.2 and spi0.3 on one system and it worked fine (2.6.23-rc2, but that shouldn't matter). Files in /sys/bus/spi/devices/spi0.2: lrwxrwxrwx 1 root root 0 Dec 31 2006 bus -> ../../../../bus/spi lrwxrwxrwx 1 root root 0 Dec 31 2006 driver -> ../../../../bus/spi/drivers/spidev -r--r--r-- 1 root root 4096 Dec 31 2006 modalias lrwxrwxrwx 1 root root 0 Dec 31 2006 spidev:spidev0.2 -> ../../../../class/spidev/spidev0.2 lrwxrwxrwx 1 root root 0 Dec 31 2006 subsystem -> ../../../../bus/spi -rw-r--r-- 1 root root 4096 Dec 31 2006 uevent Files in /sys/class/spidev/spidev0.2: -r--r--r-- 1 root root 4096 Dec 31 2006 dev lrwxrwxrwx 1 root root 0 Dec 31 2006 device -> ../../../devices/platform/atmel_spi.0/spi0.2 lrwxrwxrwx 1 root root 0 Dec 31 2006 subsystem -> ../../../class/spidev -rw-r--r-- 1 root root 4096 Dec 31 2006 uevent and "dev" there contains 153:0, which "mdev" used to create the /dev/spidev0.2 character device node. > #dmesg | grep spi > atmel_spi atmel_spi.1: Atmel SPI Controller at 0xfffcc000 (irq 13) > atmel_spi atmel_spi.1: registered master spi1 > spi spi1.0: setup: 14189714 Hz bpw 8 mode 0x0 -> csr0 0a0a0702 > atmel_spi atmel_spi.1: registered child spi1.0 > spi spi1.1: setup: 14189714 Hz bpw 8 mode 0x0 -> csr1 0a0a0702 > atmel_spi atmel_spi.1: registered child spi1.1 > spi spi1.2: setup: 14189714 Hz bpw 8 mode 0x0 -> csr2 0a0a0702 > atmel_spi atmel_spi.1: registered child spi1.2 > spi spi1.3: setup: 14189714 Hz bpw 8 mode 0x0 -> csr3 0a0a0702 > atmel_spi atmel_spi.1: registered child spi1.3 > > Does root file system (NFS) has the problem ? or Kernel menu configuration ? > Could you teach check point for this problem? If your sysfs looks right based on what I showed above, I'd guess maybe you have an old "mdev" ... or maybe it depends on the CONFIG_SYSFS_DEPRECATED variable, which I can't yet disable. > This project name - Access control Unit > The system is configured two kind of board. > Main b'd has the AT91SAM9260 which has the Linux OS. > Sub b'd has the Atmega2560 which is developing the AVR32 studio. I don't think AVR8 chips can be SPI slaves at 15 MHz; you should probably change the max_speed_hz you use to set up those devices. As I recall, 4 MHz is as fast as those chips can talk SPI, iff everything goes well (and IRQs are blocked during the PIO loops). > One Main b'd is connected 5 Sub b'd by SPI > ... ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/