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| Any experiences with hardware mod to improve eMMC speeds? |
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Posted by: kqlnut - 01-01-2022, 08:00 AM - Forum: PinePhone Hardware
- Replies (9)
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I recently came across this very interesting article on how to modify the PinePhone's hardware to allow a different timing mode for the eMMC in order to improve read speeds (theoratically up to 200 MB/s vs. currently 104 MB/s). I'm wondering if anybody has performed this hardware mod and can comment on how noticeable the speed improvements are for everyday use? Does it even make a real difference at all (e.g. for application loading times)?
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| U-boot not booting on H64 model B |
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Posted by: CGNZVV - 01-01-2022, 01:47 AM - Forum: Linux on Pine H64
- Replies (2)
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I am trying to get mainline U-Boot to run on the H64 B.
I'm able to boot Armbian successfully, but the U-Boot I compile never works.
Any help would be appreciated.
I've tried these two scenarios:
- Flash Armbian to an SD card, it boots successfully, then overwrite my U-Boot onto that card, and it fails to boot. Filesystem and partitioning unmodified from what Armbian had, just overwrite U-Boot with dd.
- create an Arch Linux SD card using my U-Boot and rootfs. It fails to boot on the H64. I'm using a very similar method to what I do for an Odroid C4, and it works on the C4 - the C4 has a different uboot, but the process I use to make the SD card is the same.
In both cases, the UART shows:
Code: U-Boot SPL 2022.01-rc4-00030-gb3f84a939f (Jan 01 2022 - 00:28:05 -0700)
DRAM: 4096 MiB
Trying to boot from MMC1
And it hangs at that last line.
Using the reset button just results in that message being printed again:
Code: U-Boot SPL 2022.01-rc4-00030-gb3f84a939f (Jan 01 2022 - 00:28:05 -0700)
DRAM: 4096 MiB
Trying to boot from MMC1
U-Boot SPL 2022.01-rc4-00030-gb3f84a939f (Jan 01 2022 - 00:28:05 -0700)
DRAM: 4096 MiB
Trying to boot from MMC1
U-Boot SPL 2022.01-rc4-00030-gb3f84a939f (Jan 01 2022 - 00:28:05 -0700)
DRAM: 4096 MiB
Trying to boot from MMC1
I've also tried doing a power cycle instead of using the reset button, that leads to the same result.
I think I'm creating U-Boot in the right way. Here's what I'm doing (based off of https://github.com/qemu/u-boot/blob/mast...ME.sunxi64, and seems to match what as365n4 is doing in his post @ https://forum.pine64.org/showthread.php?tid=11703):
Code: # compile ATF
git clone https://github.com/ARM-software/arm-trusted-firmware.git
cd arm-trusted-firmware
CROSS_COMPILE=aarch64-linux-gnu- PLAT=sun50i_h6 make bl31
=> Built build/fvp/release/bl31.bin successfully
# configure and compile U-Boot
git clone https://gitlab.denx.de/u-boot/u-boot.git
cd u-boot
cp ../arm-trusted-firmware/build/fvp/release/bl31.bin .
make pine_h64_defconfig
CROSS_COMPILE=aarch64-linux-gnu- SCP=/dev/null make -j16 all
I've tried master ATF & U-Boot both with and without SCP, compiled as such:
Code: git clone https://github.com/crust-firmware/crust
cd crust
CROSS_COMPILE=or1k-elf- make pine_h64_defconfig
CROSS_COMPILE=or1k-elf- make scp
The or1k-elf toolchain is a bit different from the or1k-linux-musl that the sunxi readme suggests, but SCP shouldn't be required anyway in the first place.
I've also tried ATF v2.3 with U-Boot 2020.10, since as365n4 reported that working for him on post 24 of his thread... but same result, hangs at "Trying to boot from MMC1".
Flashing U-Boot to the SD with:
Code: dd if=u-boot-sunxi-with-spl.bin of=/dev/sda bs=8k seek=1
I've spent a few hours banging my head against this but haven't been able to get any result other than "Trying to boot from MMC1"...
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| Pure Talk MMS |
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Posted by: jwide - 12-31-2021, 06:41 PM - Forum: Manjaro on PinePhone
- Replies (3)
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Has anyone been able to get MMS working with Pure Talk? I can't figure out what I am doing wrong. I see files in ~/.mms/modemmanager but the Chatty GUI never displays them. I also have never successfully sent an MMS message. I am able to access mobile data on the network.
I got the settings from https://www.puretalkusa.com/phone_programming
Below are my settings:
Chatty:
MMSC: http://mmsc.mobile.att.net
APN: RESELLER
Proxy: proxy.mobile.att.net
Settings/Mobile Network/Access Point Names:
Name: Pure Talk
APN: RESELLER
Thanks for the help!
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| DFinity IC OS on Pinephone |
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Posted by: quasimotoca - 12-31-2021, 03:17 PM - Forum: PinePhone Software
- No Replies
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Hi:
Do you think it's possible to run DFinity's Internet Computer OS on a Pinephone? It's a Linux based kernel optimized for their blockchain network.
Cheers,
Dave
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| Boot from SPI first |
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Posted by: mjnck - 12-31-2021, 11:23 AM - Forum: General Discussion on ROCK64
- Replies (1)
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Hi, is it possible to boot from SPI when emmc is inserted?
When i want to boot armbian buster (NextCloudPi) from sdcard/emmc without spi u-boot (installed from https://github.com/ayufan-rock64/linux-u...k64.img.xz) i've got kernel panic during boot. When using spi u-boot from ayufan it boots NexCloudPi from sdcard properly. Sadly it doesn't work for emmc. Propably it ignores SPI and goes straight to emmc boot 
Maybe I can somehow "broke" u-boot on emmc so it will think it is not bootable and next SPI u-boot will look for u-boot on emmc and load it?
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| New year 2022 |
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Posted by: ryo - 12-31-2021, 09:03 AM - Forum: News
- Replies (6)
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Since 2022 has just begun here 4 minutes ago, happy new year everybody!
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