| Message ID | 1409666227-20622-2-git-send-email-rogerq@ti.com |
|---|---|
| State | Accepted |
| Commit | db01e6c7fbe3b87b389f537b52a5d862cea498e1 |
| Headers | show |
On Tuesday 02 September 2014 07:27 PM, Roger Quadros wrote: > am43x-epos-evm uses a NAND chip with page size 4096 bytes > and spare area of 225 bytes per page. > > For such a setup it is preferrable to use BCH16 ECC scheme over > BCH8. This also makes it compatible with ROM code ECC scheme so > we can boot with NAND after flashing from kernel. > > Signed-off-by: Roger Quadros <rogerq@ti.com> > --- > arch/arm/boot/dts/am43x-epos-evm.dts | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts > index ed7dd23..f6c9898 100644 > --- a/arch/arm/boot/dts/am43x-epos-evm.dts > +++ b/arch/arm/boot/dts/am43x-epos-evm.dts > @@ -441,7 +441,7 @@ > ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ > nand@0,0 { > reg = <0 0 0>; /* CS0, offset 0 */ > - ti,nand-ecc-opt = "bch8"; > + ti,nand-ecc-opt = "bch16"; > ti,elm-id = <&elm>; > nand-bus-width = <8>; > gpmc,device-width = <1>; > As I have tested BCH16 on AM43x-EPOS board earlier So, Reviewed-by: Pekon Gupta <pekon@pek-sem.com> with regards, pekon ------------------------ Powered by BigRock.com -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index ed7dd23..f6c9898 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -441,7 +441,7 @@ ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ nand@0,0 { reg = <0 0 0>; /* CS0, offset 0 */ - ti,nand-ecc-opt = "bch8"; + ti,nand-ecc-opt = "bch16"; ti,elm-id = <&elm>; nand-bus-width = <8>; gpmc,device-width = <1>;
am43x-epos-evm uses a NAND chip with page size 4096 bytes and spare area of 225 bytes per page. For such a setup it is preferrable to use BCH16 ECC scheme over BCH8. This also makes it compatible with ROM code ECC scheme so we can boot with NAND after flashing from kernel. Signed-off-by: Roger Quadros <rogerq@ti.com> --- arch/arm/boot/dts/am43x-epos-evm.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)