Re: [U-Boot] [PATCH v2 2/3] dfu: ram support

2013-09-10 Thread Lukasz Majewski
Hi Afzal, DFU spec mentions it as a method to upgrade firmware (software stored in writable non-volatile memory). It also says other potential uses of DFU is beyond scope of the spec. Here such a beyond the scope use is being attempted - directly pumping binary images from host via USB to

Re: [U-Boot] [PATCH v2 2/3] dfu: ram support

2013-09-10 Thread Afzal Mohammed
Hi Lukasz Majewski, On Tue, Sep 10, 2013 at 11:21:44AM +0200, Lukasz Majewski wrote: Directly putting image onto RAM would speed up upgrade process. This and convenience was the initial thoughts that led to doing this, speed improvement over MMC was only 1 second though - 6 sec on RAM as

[U-Boot] [PATCH v2 2/3] dfu: ram support

2013-09-09 Thread Afzal Mohammed
DFU spec mentions it as a method to upgrade firmware (software stored in writable non-volatile memory). It also says other potential uses of DFU is beyond scope of the spec. Here such a beyond the scope use is being attempted - directly pumping binary images from host via USB to RAM. This