>Hi Christian,
>Hello, On Monday, May 08, 2017 10:24 PM Ram Chandra Jangir wrote: > On Saturday, May 06, 2017 11:24 PM Christian Lamparter wrote: >On Friday, May 5, 2017 9:19:36 PM CEST Ram Chandra Jangir wrote: > This change add nand boot support for IPQ40xx based > AP-DK04.1-C1 board using ubi image, also add sysupgrage support for > AP-DK04.1-C1 and generates a sysupgrade.tar image. > > Testing: > *Tested on IPQ40xx AP-DK04.1-C1 and IPQ806x AP148 Board: > a. NAND boot > b. ubi sysupgrade > > Signed-off-by: Ram Chandra Jangir <rjan...@codeaurora.org> >Thanks for posting this. >Chris Blake is currently in the process of adding the Cisco Meraki MR33. ><https://github.com/riptidewave93/LEDE-MR33> >The MR33 uses the IPQ4029 and has just a Spansion S34ML01G200TFV00 >128MiB NAND Flash for storage. >He reported that with this patch attached. The driver is loading, but >it can't access the nand: >[ 0.860703] nand: second ID read did not match 7f,7f against 01,71 >[ 0.861633] nand: No NAND device found >The id is supposed to be 01 (manuf = Spanion), f1 (128MiB). >both readings are bad. >I think this is caused by two problems: >1. 7f, 7f should be 0xff, 0xff. 0x71 should be 0xf1. >2. It seems that the NAND chip was not ready on the first read. >I strongly suspect (due to the MSB error for BIT 7), that at least one >I/O line is missing due to a bad pinctrl/mux setup. >Could you please add the pinctrl nand definitions to the dts so he can >test again? >Regards, >Christian >IPQ4019 (ex. AP-DK04.1-C1) boards will have nand boot mode with a dedicated jumper settings. Based on nand boot jumper settings change, HW will automatically take care of initializing the nand_pins mux at boot time. >That is why we don't need to do initialization of pinmux in ipq4019 kernel >boot/dts. Currently I don't have Cisco Meraki MR33 board with me to give a >try. >I will give a try for nor-nand boot on ipq4019 with pinmux initialization and will update you, if it helps you. >Thanks, >Ram I added nand pinmux in https://patchwork.ozlabs.org/patch/761243/ , Could you please try with this, if it helps you. Old patch(has pinctrl definitions): https://patchwork.ozlabs.org/patch/752962/ Thanks, Ram _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev
