<div dir="ltr">FYI, the "firmware" are loaded from flash:<div><br></div><div><a href="http://en.wikipedia.org/wiki/Flash_memory">http://en.wikipedia.org/wiki/Flash_memory</a><br></div><div><br></div><div>which means microcontroller (or microprocessor) + DMA/DDR memory + flash are the usual makeup of an embedded system. flash are non-volatile, but normally it is slower and cannot be executed as CPU or microncontroller instruction. which is why you will need to load it into memory to be executed:</div>
<div><br></div><div><a href="http://lwn.net/Articles/135472/">http://lwn.net/Articles/135472/</a><br></div><div><br></div><div>cheers.</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Feb 10, 2014 at 9:29 PM, Jeshwanth <span dir="ltr"><<a href="mailto:jeshkumar555@gmail.com" target="_blank">jeshkumar555@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello List,<br><br>I came to know that, linux loads firmware for my dma everytime it boots.<br>But I don't understand, why it is required to load everytime it boots, don't dma holds which is loaded previously.<br>
AFAIK, firmware is a program which runs in devices.<br><br>Please correct me if I am wrong.<br><br>Thanks :)<br><br>Regards,<br>Jeshwanth<br><br>Sent from my HTC<br><br><br>_______________________________________________<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>Regards,<br>Peter Teoh
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