1. 02 7月, 2015 1 次提交
  2. 26 6月, 2015 2 次提交
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    • P
      board/ti/am43xx: add support for parallel NAND · e53ad4b4
      pekon gupta 提交于
      This patch adds support for NAND device connected to GPMC chip-select on
      following AM43xx EVM boards.
      
      am437x-gp-evm: On this board, NAND Flash signals are muxed with eMMC, thus at a
        time either eMMC or NAND can be enabled. Selection between eMMC and NAND is
        controlled by:
        (a) Statically using Jumper on connecter (J89) present on board.
        (a) If Jumper on J89 is NOT used, then selection can be dynamically controlled
            by driving SPI2_CS0[MUX_MODE=GPIO] pin via software:
            SPI2_CS0 == 0: NAND (default)
            SPI2_CS0 == 1: eMMC
      
      am43x-epos-evm: On this board, NAND Flash control lines are muxed with QSPI,
        Thus only one of the two can be used at a time. Selection is controlled by:
        (a) Dynamically driving following GPIO pin from software
            GPMC_A0(GPIO) == 0 NAND is selected (default)
      
      NAND device (MT29F4G08AB) on these boards has:
       - data-width=8bits
       - blocksize=256KB
       - pagesize=4KB
       - oobsize=224 bytes
      For above NAND device, ROM code expects the boot-loader to be flashed in BCH16
      ECC scheme for NAND boot, So by default BCH16 ECC is enabled for AM43xx EVMs.
      Signed-off-by: NPekon Gupta <pekon@ti.com>
      e53ad4b4
  13. 26 7月, 2014 1 次提交
  14. 20 6月, 2014 1 次提交
  15. 07 6月, 2014 4 次提交
  16. 18 4月, 2014 4 次提交
  17. 04 3月, 2014 2 次提交
  18. 22 2月, 2014 1 次提交
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  20. 25 1月, 2014 2 次提交
  21. 19 12月, 2013 4 次提交
  22. 05 11月, 2013 1 次提交
  23. 21 10月, 2013 1 次提交
  24. 15 8月, 2013 1 次提交