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Altera_Forum
Honored Contributor I
785 Views

Reason still provode sd card utility as linux dd command can do the same ?

I a bit curious to ask around why we have multiple tools but they are actually doing the similar task? such as the SD card ulility and the dd command both also able to update the SD card partitions. any advantage of using only linux one?

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12 Replies
Altera_Forum
Honored Contributor I
42 Views

the tool for sd utility is for those you are actively in embedded commadn shell, so can speed up their time to upload the content with out share the image file to another linux computer...

Altera_Forum
Honored Contributor I
42 Views

for those people who love to build preloader and uboot from linux directly without using the provided bsp-editor. they should just use the dd instead... convenient... and hassle free. I think you read some of the guide that demostrade using the preloader and uboot update with the sd card alt-boot utility

Altera_Forum
Honored Contributor I
42 Views

i can see the sd card utility feature not able to flash kernel or file system

Altera_Forum
Honored Contributor I
42 Views

 

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i can see the sd card utility feature not able to flash kernel or file system 

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Hi, you don't need the sd card utility tool already if you are in linux operating system, especially for kernal adn fle system build, as the usage of the dd write command is more convenient already..
Altera_Forum
Honored Contributor I
42 Views

what is the command with the dd that end with bs for? some page i saw is 64k some is 1M.... any value will do?

Altera_Forum
Honored Contributor I
42 Views

Altera_Forum
Honored Contributor I
42 Views

 

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what is the command with the dd that end with bs for? some page i saw is 64k some is 1M.... any value will do? 

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the BS is mean the block size, you may refer to the google for more usage information. as long as is in power of 2 will do.
Altera_Forum
Honored Contributor I
42 Views

 

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You can refer to http://rocketboards.org/foswiki/view/documentation/gsrd150sdcard#4 

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thanks for the details !
Altera_Forum
Honored Contributor I
42 Views

For reminder, always use the SD image file provided as that had been partition nicely for direct usage. Latest one usually located in rocketboard as well.

Altera_Forum
Honored Contributor I
42 Views

Got it.. thanks

Altera_Forum
Honored Contributor I
42 Views

 

--- Quote Start ---  

what is the command with the dd that end with bs for? some page i saw is 64k some is 1M.... any value will do? 

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Hi, if you want to have a faster writing speed of course 1M would be better... but usually thing such as boot loader or preloader just with a size in term of hundred kilobyte... so.. using a 1M size a bit funny.. :D
Altera_Forum
Honored Contributor I
42 Views

welcome.. and enjoy the software programming !

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