<div dir="ltr">I Found the answer.<div><br></div><div><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap">The chosen node does not represent a real device, but serves as a place
for passing data between firmware and the operating system, like boot
arguments. Data in the chosen node does not represent the hardware</pre><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap"><br></pre><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap">In the above paragraph, boot arguments are nothing but "kernel command line" arguments.</pre><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap"><br></pre><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap">Thanks</pre><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap">Madhu</pre></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 1, 2017 at 11:45 AM, Madhu K <span dir="ltr"><<a href="mailto:madhu.sk89@gmail.com" target="_blank">madhu.sk89@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span class="">On Thu, Jun 1, 2017 at 11:27 AM, Amit Kumar <span dir="ltr"><<a href="mailto:free.amit.kumar@gmail.com" target="_blank">free.amit.kumar@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_quote"><span><div dir="ltr">On Thu, Jun 1, 2017 at 11:07 AM Madhu K <<a href="mailto:madhu.sk89@gmail.com" target="_blank">madhu.sk89@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi All,<div><br></div><div>I have a doubt, how kernel command line parameters are passed to kernel space. Before device tree, we used to pass command line parameters using ATAGS. But after device tree we are not using ATAGS. How we are passing command line parameters to kernel space?</div></div></blockquote><div><br></div></span><div>If you are using uboot, please consult uEnv.txt docs.</div><div> <a href="http://linux-sunxi.org/UEnv.txt" target="_blank">http://linux-sunxi.org/UEnv.t<wbr>xt</a></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div></div></blockquote></div></div></blockquote><div><br></div></span><div>This is at U-boot level. where u-boot will write this information?</div><span class=""><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div></div><div>Thanks & regards,</div><div>Madhu</div></div>
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