On 07/13/2016 02:23 PM, Christian Lamparter wrote: > From: Christian Lamparter <chunk...@googlemail.com> > > This patch adds support for Netgear Centria N900 WNDR4700/WNDR4720 > > hardware highlights: > > CPU: AMCC PowerPC APM82181 Rev. E at 1000 MHz (PLB=166, OPB=83, EBC=83 MHz) > Security support, Boot ROM Location NAND wo/ECC 2k page (8 bits) > 32 kB I-Cache 32 kB D-Cache, 256 kB L2-Cache, 32 kB OnChip Memory > Board: AMCC APM82181 Evaluation Board, PCIE0/SATA1, 1*USB OTG > DRAM: 256 MB (ECC not enabled, 500 Mb/s, 32-bit, CL3) > NAND: 128 MiB (SLC, erase size: 128 KiB, page size: 2048, OOB size: 64) > ETH: Atheros AR8327N Gigabit Switch (4 x LAN, 1 x WAN) > USB: 2 x 3.0 (Renesas uPD720202K8-711-BAA-A) > SATA: 1 x SATA-II 3.5" Hard Drive Bay for HDDs (DesignWare SATA). > WLAN1: Atheros AR9380 5GHz 802.11an 3:3x3 > WLAN2: Atheros AR9581 2.4GHz 802.11bgn 3:3x3 > SDCARD: GL827L SD/MMC/MS Flash Card Reader (on internal dwc2 USB 2.0 > host) > I2C: GMT G781 (i2c-0 @ 0x4d - lm90 compatible temperature sensor) > TC654 (i2c-0 @ 0x1b - Dual PWM fan Speed controller) > > WARNING: The serial port needs a TTL/RS-232 v3.3 level converter! > > INFO: Since this device only has a NAND chip. I opted for going with > root.squashfs in a UBI volume. There's no squashfs/jffs2 image. > > This target produces three images. > a. netgear factory image > This image can be used to flash the Netgear WNDR4700 via the > firmware recovery mechanism and the web admin site. > > The bootloader can be instructed to do a firmware recovery via the > # fw_recovery > command. It will start a tftp server and listen on 192.168.1.1 > (the ipaddr variable in u-boot) for incoming, binary tftp clients. > The firmware recovery mechanism is also started if any of the flash > content which contains the kernel, device-tree definitions or the > (fake)rootfs fails to verify or load. > > b. sysupgrade.tar image for sysupgrade > An sysupgrade will replace the entire current LEDE installation > with a newer version. This does include the kernel and the ubi rootfs > partition. The configuration can be carried over automatically as well > if desired. > > simply copy the sysupgrade.tar to a the WNDR4700 running LEDE and run: > > root@lede:~# sysupgrade sysupgrade.tar > > and let it reboot. > > Note: The devicetree flash area is NOT updated. Until the devicetree > definition is stable, this can lead to all sorts of hardware > detection problems! So make sure, if you experience issues: try > the fw_recovery. If you are unsure whenever this affects you: > test if you can reproduce your issue with the initramfs method. > As it will always have up-to-date device-tree definitions. > > c. initramfs image for TFTP (for development and testing) > To use the initramfs method, follow the following steps: > 1) Move the "lede-apm821xx-netgear-WNDR4700-initramfs-kernel.bin" > file to to the root directory of your TFTP server. > > 2) rename it to wndr4700.bin > > 3) On the WNDR4700 - Hit Enter during u-boot and insert: > # tftp 400000 wndr4700.bin; run addtty; bootm 400000 - > > This will boot the LEDE image. > > Note: The default tftp server is 192.168.1.7, if you want to change it: > # setenv serverip 192.168.8.7; > > Note2: The default address for the WNDR4700 is 192.168.1.1: > # setenv ipaddr 192.168.8.8; > > Note: Connect you tftp server on the last LAN port (not the WAN) > > Signed-off-by: Christian Lamparter <chunk...@googlemail.com>
While I'm no expert in this field, I have personally built this firmware and run it on my own WNDR4700 and as of yet have not ran into any issues in its usage.
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Description: application/pgp-keys
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Description: OpenPGP digital signature
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