* Pekon Gupta <[email protected]> [140509 13:48]: > 1) NAND device memory is not directly accessible to CPU, its indirectly > accessed > via registers. So the 'reg' property for GPMC NAND nodes should be limited > to > address range of internal GPMC registers only. > 2) Also, minimum granularity of address space under a GPMC chip-select is 16MB > so 'range' property for GPMC NAND node should specify 16MB as its > memory-size > 3) On AM437x, address map of external memory accessible via GPMC starts from > 0x0 > > Signed-off-by: Pekon Gupta <[email protected]> > --- > arch/arm/boot/dts/am43x-epos-evm.dts | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts > b/arch/arm/boot/dts/am43x-epos-evm.dts > index fd29930..63a6a59 100644 > --- a/arch/arm/boot/dts/am43x-epos-evm.dts > +++ b/arch/arm/boot/dts/am43x-epos-evm.dts > @@ -287,9 +287,9 @@ > status = "okay"; > pinctrl-names = "default"; > pinctrl-0 = <&nand_flash_x8>; > - ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ > + ranges = <0 0 0 0x1000000>; /* CS0: NAND */ > nand@0,0 { > - reg = <0 0 0>; /* CS0, offset 0 */ > + reg = <0 0 0x380>; /* CS0, offset=0, re-map size=0x380 */ > ti,nand-ecc-opt = "bch8"; > ti,elm-id = <&elm>; > nand-bus-width = <8>; >
Here too let's use the standard comments while fixing up the GPMC ranges. Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
