Hi
On Wed, Sep 25, 2019 at 8:19 PM Alexander von Gluck IV kallisti5@unixzen.com wrote:
Just rounding this one out.. I was definitely looking at the wrong uart. After moving to uart2, things are working as expected (minus hdmi output from u-boot)
This can be enabled, but it's not the default on tinker
Michael
Thanks!
-- Alex
September 23, 2019 9:27 AM, "Alexander von Gluck IV" kallisti5@unixzen.com wrote:
ACK! I'm on UART1. Mix that with video potentially not working in u-boot and I think I have my answer.
I'll test this afternoon.
(PS, since the Tinker is supposed to be "Raspberry Pi like", why would u-boot present on UART2 on it while the Raspberry Pi u-boot uses UART1?)
Thanks for the help!
-- Alex
September 23, 2019 9:19 AM, "Jonathan Gray" jsg@jsg.id.au wrote:
On Mon, Sep 23, 2019 at 01:55:32PM +0000, Alexander von Gluck IV wrote:
Oh, a difference:
$ tools/mkimage -n rk3288 -T rksd -d tpl/u-boot-tpl.bin idbloader.img && \ cat spl/u-boot-spl-dtb.bin >> idbloader.img
I'm using the idbloader.img that u-boot automatically spits out.
$ tools/mkimage -n rk3288 -T rksd -d tpl/u-boot-tpl.bin idbloader-manual.img Image Type: Rockchip RK32 (SD/MMC) boot image Data Size: 20480 bytes $ cat spl/u-boot-spl-dtb.bin >> idbloader-manual.img
However.. the generated idbloader-manual.img from the commands above is identical to idbloader.img that u-boot produces compared with md5sum.
Are you writing the following?
sudo dd if=idbloader.img of=/dev/sdd seek=64 sudo dd if=u-boot-dtb.img of=/dev/sdd seek=16384
those files/offsets yes
(where /dev/sdd is a MicroSD card)
These should be enough to get into u-boot at startup... correct?
yes
I am using uart2 https://www.asus.com/us/Single-Board-Computer/Tinker-Board 32 UART2TX_PWM3 33 UART2RX_PWM2 and 30 for ground
I'm not missing some requirement of u-boot.bin on a FAT32 partition or something?
the tpl/spl and u-boot proper are at raw offsets in this case
-- Alex
September 23, 2019 8:31 AM, "Jonathan Gray" jsg@jsg.id.au wrote:
On Mon, Sep 23, 2019 at 01:06:35PM +0000, Alexander von Gluck IV wrote:
Ok, looking for differences now..
- Older Tinker Board? (I'm not using the Tinker Board S)
yes, the original one
- Same steps?
along the lines of
gmake CROSS_COMPILE="arm-none-eabi-" tinker-rk3288_defconfig gmake CROSS_COMPILE="arm-none-eabi-" all tools/mkimage -n rk3288 -T rksd -d tpl/u-boot-tpl.bin idbloader.img && \ cat spl/u-boot-spl-dtb.bin >> idbloader.img
- Same config? tinker-rk3288_defconfig?
yes
- Uart 115200?
yes
- Any HDMI Video output?
no hdmi connected only serial
- GCC version?
gcc-linaro-6.3.2017.02 binutils 2.27 arm-none-eabi target
September 23, 2019 12:34 AM, "Jonathan Gray" jsg@jsg.id.au wrote:
On Mon, Sep 23, 2019 at 01:17:40AM +0000, Alexander von Gluck IV wrote:
Hello!
There is no uart output and no video with u-boot master. The board works as expected booting the Asus Armbian image on an SD.
At this point i'd be happy to get some u-boot uart output :-)
-- Alex
uart output works here with the latest master (780a17e814503f71d1b51d578b32bc9c89933183)
U-Boot TPL 2019.10-rc3-00401-ge23a6e5c43 (Sep 23 2019 - 15:13:20) Trying to boot from BOOTROM Returning to boot ROM...
U-Boot SPL 2019.10-rc3-00401-ge23a6e5c43 (Sep 23 2019 - 15:13:20 +1000) Trying to boot from MMC1
U-Boot 2019.10-rc3-00401-ge23a6e5c43 (Sep 23 2019 - 15:13:20 +1000)
Model: Tinker-RK3288 DRAM: 2 GiB MMC: dwmmc@ff0c0000: 1 Loading Environment from MMC... *** Warning - bad CRC, using default environment
In: serial Out: serial Err: serial Model: Tinker-RK3288 rockchip_dnl_key_pressed: adc_channel_single_shot fail! Net: eth0: ethernet@ff290000 Hit any key to stop autoboot: 0 switch to partitions #0, OK mmc1 is current device Scanning mmc 1:1... Found EFI removable media binary efi/boot/bootarm.efi libfdt fdt_check_header(): FDT_ERR_BADMAGIC Scanning disk dwmmc@ff0c0000.blk... Found 3 disks BootOrder not defined EFI boot manager: Cannot load any image 88176 bytes read in 9 ms (9.3 MiB/s) libfdt fdt_check_header(): FDT_ERR_BADMAGIC OpenBSD/armv7 BOOTARM 1.6
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