On Tue, Jul 22, 2014 at 04:03:22PM +0530, pekon gupta wrote: > 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: Pekon Gupta <pe...@ti.com>
Applied to u-boot-ti/master, thanks! -- Tom
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