Re: [beagleboard] Unknown command 'nand' try 'help'

2016-08-24 Thread Ashwini Bhat 
Hey, I was looking everywhere, and I realized that the only way to get
through that thing is to buy a cape and then try it.  Which like you said
is the exact opposite of what is said in the book.  So I decided I can't
trust the book :(.  I was mostly doing it to learn how to interact with
GPIO pins and learn some C.  I have decided to use derek molloy's book
which so far seems to be much more my needs.  Also I noticed that the book
was building on itself which made it harder for me to continue on.
I hope this helps!
Thanks,
Ashwini Bhat


On Sun, Aug 21, 2016 at 4:22 AM,  wrote:

> Hi Ashwini Bhat,
>
> I am going through the same book and come to to the same stop point as you
> did. Did you ever get to solve the problem and if yes how did you solve it?
> I quote from *page 10* of the book* "In addition, there are two 46-pin
> expansion headers for which there are a great variety of daughter boards,
> known as capes, which allow you to adapt the board to do many different
> things. However, you do not need to fit any capes in the examples in this
> book*"
>
> Regards
>
> onio
>
> On Friday, 15 July 2016 12:13:44 UTC+1, Ashwini Bhat wrote:
>>
>> Hmm that is what I was afraid of, but wasn't sure.  Thanks!
>>
>> On Tue, Jul 12, 2016 at 7:03 AM, Robert Nelson 
>> wrote:
>>
>>>
>>>
>>> On Mon, Jul 11, 2016 at 7:09 AM,  wrote:
>>>
 I am going through the book: mastering embedded linux programming

 There is a section on U-boot.
 It instructs on how to build the u-boot using the following website:
 ftp://ftp.denx.de/pub/u-boot/
 I used version v2015.07 as suggested by the book then went through the
 process of making
 a u-boot file and MLO file.

 It then instructs me to do the following command: nand read 8200
 40 20
 When I do so that it doesn't understand the command nand. I don't know
 if beaglebone black does not have a nand?

>>>
>>> In the board's default state there is no NAND present..
>>>
>>> there is a cape you can purchase to install nand on the beaglebone..
>>>
>>> Regards,
>>>
>>> --
>>> Robert Nelson
>>> https://rcn-ee.com/
>>>
>>
>>

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Re: [beagleboard] Unknown command 'nand' try 'help'

2016-08-21 Thread oniola 
Hi Ashwini Bhat,

I am going through the same book and come to to the same stop point as you 
did. Did you ever get to solve the problem and if yes how did you solve it? 
I quote from *page 10* of the book* "In addition, there are two 46-pin 
expansion headers for which there are a great variety of daughter boards, 
known as capes, which allow you to adapt the board to do many different 
things. However, you do not need to fit any capes in the examples in this 
book*"

Regards

onio

On Friday, 15 July 2016 12:13:44 UTC+1, Ashwini Bhat wrote:
>
> Hmm that is what I was afraid of, but wasn't sure.  Thanks!
>
> On Tue, Jul 12, 2016 at 7:03 AM, Robert Nelson  > wrote:
>
>>
>>
>> On Mon, Jul 11, 2016 at 7:09 AM,  
>> wrote:
>>
>>> I am going through the book: mastering embedded linux programming
>>>
>>> There is a section on U-boot.  
>>> It instructs on how to build the u-boot using the following website: 
>>> ftp://ftp.denx.de/pub/u-boot/
>>> I used version v2015.07 as suggested by the book then went through the 
>>> process of making 
>>> a u-boot file and MLO file.
>>>
>>> It then instructs me to do the following command: nand read 8200 
>>> 40 20
>>> When I do so that it doesn't understand the command nand. I don't know 
>>> if beaglebone black does not have a nand?
>>>
>>
>> In the board's default state there is no NAND present..
>>
>> there is a cape you can purchase to install nand on the beaglebone..
>>
>> Regards,
>>
>> -- 
>> Robert Nelson
>> https://rcn-ee.com/
>>
>
>

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Re: [beagleboard] Unknown command 'nand' try 'help'

2016-07-15 Thread Ashwini Bhat 
Hmm that is what I was afraid of, but wasn't sure.  Thanks!

On Tue, Jul 12, 2016 at 7:03 AM, Robert Nelson 
wrote:

>
>
> On Mon, Jul 11, 2016 at 7:09 AM,  wrote:
>
>> I am going through the book: mastering embedded linux programming
>>
>> There is a section on U-boot.
>> It instructs on how to build the u-boot using the following website:
>> ftp://ftp.denx.de/pub/u-boot/
>> I used version v2015.07 as suggested by the book then went through the
>> process of making
>> a u-boot file and MLO file.
>>
>> It then instructs me to do the following command: nand read 8200
>> 40 20
>> When I do so that it doesn't understand the command nand. I don't know if
>> beaglebone black does not have a nand?
>>
>
> In the board's default state there is no NAND present..
>
> there is a cape you can purchase to install nand on the beaglebone..
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>

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Re: [beagleboard] Unknown command 'nand' try 'help'

2016-07-12 Thread Robert Nelson 
On Mon, Jul 11, 2016 at 7:09 AM,  wrote:

> I am going through the book: mastering embedded linux programming
>
> There is a section on U-boot.
> It instructs on how to build the u-boot using the following website:
> ftp://ftp.denx.de/pub/u-boot/
> I used version v2015.07 as suggested by the book then went through the
> process of making
> a u-boot file and MLO file.
>
> It then instructs me to do the following command: nand read 8200
> 40 20
> When I do so that it doesn't understand the command nand. I don't know if
> beaglebone black does not have a nand?
>

In the board's default state there is no NAND present..

there is a cape you can purchase to install nand on the beaglebone..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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[beagleboard] Unknown command 'nand' try 'help'

2016-07-12 Thread ashwinibhat1 
I am going through the book: mastering embedded linux programming

There is a section on U-boot.  
It instructs on how to build the u-boot using the following 
website: ftp://ftp.denx.de/pub/u-boot/
I used version v2015.07 as suggested by the book then went through the 
process of making 
a u-boot file and MLO file.

It then instructs me to do the following command: nand read 8200 40 
20
When I do so that it doesn't understand the command nand. I don't know if 
beaglebone black does not have a nand?
I don't see the nand command in the help menu either.  Any help?
Thanks!


Here is the output from ftdi:

 U-Boot SPL 2015.07 (Jul 10 2016 - 15:28:27)
MMC: block number 0x100 exceeds max(0x0)
MMC: block number 0x200 exceeds max(0x0)
*** Error - No Valid Environment Area found
*** Warning - bad CRC, using default environment

reading u-boot.img
reading u-boot.img


U-Boot 2015.07 (Jul 10 2016 - 15:28:27 -0700)

   Watchdog enabled
I2C:   ready
DRAM:  512 MiB
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Warning - bad CRC, using default environment

Net:not set. Validating first E-fuse MAC
cpsw, usb_ether
Hit any key to stop autoboot:  0 
switch to partitions #0, OK
mmc0 is current device
SD/MMC found on device 0
reading boot.scr
** Unable to read file boot.scr **
reading uEnv.txt
** Unable to read file uEnv.txt **
Failed to mount ext2 filesystem...
** Unrecognized filesystem type **
switch to partitions #0, OK
mmc1(part 0) is current device
SD/MMC found on device 1
reading boot.scr
** Unable to read file boot.scr **
reading uEnv.txt
** Unable to read file uEnv.txt **
** File not found /boot/zImage **
## Error: "nandboot" not defined
U-Boot# nand read 8200 40 20
Unknown command 'nand' - try 'help'
U-Boot# 

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