>From: Tony Lindgren [mailto:tony@xxxxxxxxxxx] >>* Pekon Gupta <pekon@xxxxxx> [140422 00:34]: >> +&gpmc { >> + status = "okay"; >> + pinctrl-names = "default"; >> + pinctrl-0 = <&nand_flash_x8>; >> + ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ > >Please use the minimum size 16MB GPMC range here, NAND only >has few registers addressable unlike NOR that actually uses the >whole range. > >> + nand@0,0 { >> + reg = <0 0 0>; /* CS0, offset 0 */ > >Then here map the true size of the NAND device IO register area. > >BTW, we should do the similar changes to other files so we can >unify the GPMC partitioning a bit. But that's unsafe to do until >we have fixed the issue of mapping GPMC devices to a different >location from the bootloader location. > I have found the fix of this issue in gpmc_cs_remap() just testing it using beaglebone NOR cape. I'll post that separately, once I'm confident. But for now, I'll re-send just these patches for NAND DT node with your feedbacks incorporated, so that NAND is stable on these platforms / boards from 3.16 onwards. with regards, pekon -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
