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name="_AT91SAM9260_EK_SAM_BA_Recovery"></a> AT91SAM9260-EK SAM-BA Recovery </h1><p /><h2><a name="Reference_documentation"></a> Reference documentation </h2><a class="natExternalLink" target="_blank" href="http://www.atmel.com/dyn/resources/prod_documents/doc6281.pdf">AT91SAM9260-EK SAM-BA Recovery application note</a>.<p />You also have a brief <em>AT91SAM9260-EK Bootstrap Recovery Procedure</em> chapter in the <a class="natExternalLink" target="_blank" href="http://www.atmel.com/dyn/resources/prod_documents/doc6277.pdf">AT91Bootstrap application note</a>.<p /><h2><a name="In_brief"></a> In brief </h2><p />On AT91SAM9260-EK platform, there is no way to disconnect the on board DataFlash. If valid code is present in the first DataFlash page the chip will execute it before connecting to SAM-BA. <a href="http://www.linux4sam.org/twiki/bin/view/Linux4SAM/AT91Bootstrap" class="twikiLink">AT91Bootstrap</a> features a recovery method : <br /> An erase of the first dataflash page is performed if button BP4 on the board is pressed after reset. <p />To erase the first dataflash page : <ul><li> Push the button BP4</li> <li> Push the reset button while BP4 is pressed</li> <li> The following message is displayed on the serial console :</li></ul> <pre>INFO : Low Level Init : OKStarting main ...Testing BP4BP4 is pressed. Erasing First Page of SPI data Flash CS1Please reboot....</pre><p /> </div> </td></tr> <tr> <td class="natMainFooter natMiddle natMiddleRight natMainFooterRight " valign="bottom"> <div class="natMainFooterContents"><div class="natTopicAttachments"> </div><div class="natRevision"> r1 - 19 Sep 2007 - 12:45:09 - <a href="http://www.linux4sam.org/twiki/bin/view/Main/" class="twikiLink"></a> </div></div> </td> </tr> </table> <div class="natBottomBar natBottomBarRight "> <div class="natBottomBarContents"> <div class="natCopyRight"><span class="twikiRight"> <a class="natExternalLink" target="_blank" href="http://twiki.org/"><img src="../TWikiLogos/T-logo-80x15.gif" alt="This site is powered by the TWiki collaboration platform" width="80" height="15" title="This site is powered by the TWiki collaboration platform" border="0" /></a></span>Copyright © by the contributing authors. 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