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README

      1 Board information
      2 -----------------
      3 
      4 The SBC produced by Phytec has a SOM based on a i.MX6Q.
      5 The SOM is sold in two versions, with eMMC or with NAND. Support
      6 here is for the SOM with NAND.
      7 The evaluation board "phyBoard-Mira" is thought to be used
      8 together with the SOM.
      9 
     10 More information on the board can be found on manufacturer's
     11 website:
     12 
     13 http://www.phytec.de/produkt/single-board-computer/phyboard-mira/
     14 http://www.phytec.de/fileadmin/user_upload/images/content/1.Products/SOMs/phyCORE-i.MX6/L-808e_1.pdf
     15 
     16 Building U-Boot
     17 -------------------------------
     18 
     19 $ make pcm058_defconfig
     20 $ make
     21 
     22 This generates the artifacts SPL and u-boot.img.
     23 The SOM can boot from NAND or from SD-Card, having the SPI-NOR
     24 as second option.
     25 The dip switch "DIP-1" on the board let choose between
     26 NAND and SD.
     27 
     28 DIP-1 set to off:	Boot first from NAND, then try SPI
     29 DIP-1 set to on:	Boot first from SD, then try SPI
     30 
     31 The bootloader was tested with DIP-1 set to on. If a SD-card
     32 is present, then the RBL tries to load SPL from the SD Card, if not,
     33 RBL loads from SPI-NOR. The SPL tries then to load from the same
     34 device where SPL was loaded (SD or SPI). Booting from NAND is
     35 not supported.
     36