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README

      1 Overview
      2 --------
      3 P1022ds is a Low End Dual core platform supporting the P1022 processor
      4 of QorIQ series. P1022 is an e500 based dual core SOC.
      5 
      6 
      7 Pin Multiplex(hwconfig setting)
      8 -------------------------------
      9 Add the environment 'usb2', 'audclk' and 'tdm' to support pin multiplex
     10 via hwconfig, i.e:
     11 'setenv hwconfig usb2' to enable USB2 and disable eTsec2
     12 'setenv hwconfig tdm' to enable TDM and disable Audio
     13 'setenv hwconfig audclk:12' to enable Audio(codec clock sources is 12MHz)
     14  and disable TDM
     15 'setenv hwconfig 'usb2;tdm' to enable USB2 and TDM, disable eTsec2 and Audio
     16 'setenv hwconfig 'usb2;audclk:11' to enable USB2 and Audio(codec clock sources
     17  is 11MHz), disable eTsec2 and TDM
     18 
     19 Warning: TDM and AUDIO can not enable simultaneous !
     20 and AUDIO codec clock sources only setting as 11MHz or 12MHz !
     21 'setenv hwconfig 'audclk:12;tdm'	--- error !
     22 'setenv hwconfig 'audclk:11;tdm'	--- error !
     23 'setenv hwconfig 'audclk:10'		--- error !
     24