ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | IRC log http://irclog.whitequark.org/linux-rockchip | Community GH https://github.com/linux-rockchip | Rockchip GH https://github.com/rockchip-linux | ML https://groups.google.com/group/linux-rockchip
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<cyrozap> Hi, all, I'm trying to boot mainline U-Boot on an old Tronsmark MK908 II (RK3188-based TV box), but I can't seem to get quite the right combination of commands/flash offsets to work, and it's especially difficult because there's lots of outdated information floating around on how to boot this SoC.
<cyrozap> So far I've been able to build U-Boot image + SPL for the Raxda Rock (same SoC) and encoding that SPL file with `./tools/mkimage -n rk3188 -T rksd -d ./spl/u-boot-spl.bin` and flashing that to `bs=512 seek=64` gets the SoC out of mask ROM mode, but I can't figure out where I need to flash the main U-Boot image, and I don't know if I need to encrypt it with RC4 or not beforehand.
<cyrozap> Following the instructions in doc/README.rockchip hasn't worked (beyond getting the SoC out of mask ROM mode), and I'm not sure what to do now.
<cyrozap> I have UART access, so I've been using that for debugging.
<cyrozap> If anyone has any ideas and wants to help me boot this ancient technology, I'm all ears. :)
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<Ke> since arm qemu team lives here, it may seem worth asking, whether people have been noticing rcu stalls in aarch64 vms
<ayaka> cyrozap, let me check the trm
<ayaka> cyrozap, I don't think the upstream SPI would need a cryptic u-boot image
<ayaka> cyrozap, that u-boot would be at 0x200 from the beginning of the storage
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<cyrozap> ayaka: Oh, I forgot to mention I'm doing SD boot.
<cyrozap> There's also NAND on this board, but from what I've heard the open source NAND support doesn't work/isn't implemented, so I've just zeroed it out.
<Ke> I think spi would have needed -T rkspi or something anyway
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<cyrozap> Oh, wait, I think I may have figured it out.
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<cyrozap> Yeah, I think I can't get away with using a different board's DTS file :/
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<cyrozap> I'm trying to hack the Raxda Rock DTS files to change the stdout UART, but I keep getting this error: `drivers/serial/serial_rockchip.c:35:33: error: 'struct dtd_rockchip_rk3188_uart' has no member named 'clock_frequency'`
<cyrozap> It's set to uart2 for the Rock, but I want to change it to a different UART because I think the MK908's uses a different one for its UART.
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<cyrozap> Ok, it looks like I needed to add a clock-frequency property to the node, but I still don't get any stdout output.
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<mmind00> cyrozap: https://github.com/mmind/u-boot-rockchip/commit/81458bde873d6cf588e082ccf556e818f46ad9df may help, but I'm not sure how outdated that is
<mmind00> cyrozap: but reading further down in your messages, it seems like you already got over that build-issue?
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<stibitz> I've booted ubuntu on my rock960, but it's asking for a login. What is the default login to use?
<gab> stibitz: try "hello" or "please" ?
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