Anyway, uenv_root= got it working, thanks Robert !
On Thu, Jul 28, 2016 at 3:41 PM, William Hermans <[email protected]> wrote:
> Somehow this worked for me: I guess mmcargs was not the right place to put
> uenv_root= . . .
>
> debian@arm:~$ cat /uEnv.txt
> ##This will work with: Angstrom's 2013.06.20 u-boot.
>
> loadaddr=0x82000000
> fdtaddr=0x88000000
> rdaddr=0x88080000
>
> initrd_high=0xffffffff
> fdt_high=0xffffffff
>
> #for single partitions:
> uenv_root=/dev/mmcblk0p1 rw
>
> loadximage=load mmc 0:1 ${loadaddr} /boot/vmlinuz-${uname_r}
> loadxfdt=load mmc 0:1 ${fdtaddr} /boot/dtbs/${uname_r}/${fdtfile}
> #loadxrd=load mmc 0:1 ${rdaddr} /boot/initrd.img-${uname_r}; setenv rdsize
> ${fil esize}
> loaduEnvtxt=load mmc 0:1 ${loadaddr} /boot/uEnv.txt ; env import -t
> ${loadaddr} ${filesize};
> loadall=run loaduEnvtxt; run loadximage; run loadxfdt;
>
> mmcargs=setenv bootargs console=tty0 console=${console} ${optargs}
> ${cape_disabl e} ${cape_enable}
> root=/dev/mmcblk0p1 ro rootfstype=${mmcrootfstype} ${cmdline}
>
> uenvcmd=run loadall; run mmcargs; bootz ${loadaddr} - ${fdtaddr};
>
>
> On Thu, Jul 28, 2016 at 3:23 PM, William Hermans <[email protected]>
> wrote:
>
>> Also
>> debug: [console=ttyO0,115200n8 root=/dev/mmcblk1p1 ro rootfstype=ext4
>> rootwait ipv6.disable=1
>> is not what I have.
>> william@beaglebone:~$ lsblk
>> NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
>> mmcblk0boot0 179:8 0 2M 1 disk
>> mmcblk0boot1 179:16 0 2M 1 disk
>> mmcblk0 179:0 0 3.6G 0 disk
>> `-mmcblk0p1 179:1 0 3.6G 0 part
>> mmcblk1 179:24 0 14.7G 0 disk
>> `-mmcblk1p1 179:25 0 1.7G 0 part /
>> william@beaglebone:~$ sudo mount /dev/mmcblk0p1 /media/rootfs/
>> [sudo] password for william:
>> william@beaglebone:~$ cd /media/rootfs/
>> william@beaglebone:/media/rootfs$ sudo cat uEnv.txt|grep mmcblk0p1
>> #mmcroot=/dev/mmcblk0p1
>> mmcargs=setenv bootargs console=tty0 console=${console} ${optargs}
>> ${cape_disable} ${cape_enable} root=/dev/mmcblk0p1 ro
>> rootfstype=${mmcrootfstype} ${cmdline}
>> william@beaglebone:/media/rootfs$ cat etc/fstab
>> # UNCONFIGURED FSTAB FOR BASE SYSTEM
>> /dev/mmcblk0p1 / auto errors=remount-ro 0 1
>>
>> I also tried your suggestion and used uenv_root, but it made no
>> difference. uboot is overriding what I set for root=
>>
>> On Thu, Jul 28, 2016 at 3:18 PM, William Hermans <[email protected]>
>> wrote:
>>
>>> Still not working. The dahmed thing insists on booting from mmcblk1 when
>>> there is not mmcblk1 inserted. But as soon as I do insert an sdcard, it
>>> boots from it.
>>>
>>> Checking for: /boot/uEnv.txt ...
>>> gpio: pin 55 (gpio 55) value is 1
>>> 1181 bytes read in 19 ms (60.5 KiB/s)
>>> Loaded environment from /boot/uEnv.txt
>>> debug: [dtb=am335x-boneblack-emmc-overlay.dtb] ...
>>> Using: dtb=am335x-boneblack-emmc-overlay.dtb ...
>>> Checking if uname_r is set in /boot/uEnv.txt...
>>> gpio: pin 56 (gpio 56) value is 1
>>> Running uname_boot ...
>>> loading /boot/vmlinuz-4.4.9-bone10 ...
>>> 7400656 bytes read in 426 ms (16.6 MiB/s)
>>> loading /boot/dtbs/4.4.9-bone10/am335x-boneblack-emmc-overlay.dtb ...
>>> 54722 bytes read in 61 ms (876 KiB/s)
>>> debug: [console=ttyO0,115200n8 root=/dev/mmcblk1p1 ro rootfstype=ext4
>>> rootwait ipv6.disable=1] ...
>>> debug: [bootz 0x82000000 - 0x88000000] ...
>>> Kernel image @ 0x82000000 [ 0x000000 - 0x70ecd0 ]
>>> ## Flattened Device Tree blob at 88000000
>>> Booting using the fdt blob at 0x88000000
>>> Using Device Tree in place at 88000000, end 880105c1
>>>
>>> Starting kernel ...
>>> . . .
>>> 4.909003] bone_capemgr bone_capemgr:
>>> compatible-baseboard=ti,beaglebone-black - #slots=4
>>> [ 4.973365] bone_capemgr bone_capemgr: slot #0: No cape found
>>> [ 5.033361] bone_capemgr bone_capemgr: slot #1: No cape found
>>> [ 5.093361] bone_capemgr bone_capemgr: slot #2: No cape found
>>> [ 5.153364] bone_capemgr bone_capemgr: slot #3: No cape found
>>> [ 5.159194] bone_capemgr bone_capemgr: initialized OK.
>>> [ 5.165483] omap_rtc 44e3e000.rtc: setting system clock to 2000-01-01
>>> 00:00:00 UTC (946684800)
>>> [ 5.174197] of_cfs_init
>>> [ 5.176733] of_cfs_init: OK
>>> [ 5.183637] Waiting for root device /dev/mmcblk1p1...
>>>
>>> Andhere it'll sit until i insert and sdcard, or reboot.
>>>
>>> On Thu, Jul 28, 2016 at 2:46 PM, William Hermans <[email protected]>
>>> wrote:
>>>
>>>> Robert,
>>>>
>>>> Ok, here is exactly what I did, incase you might spot something else I
>>>> did wrong . . .
>>>>
>>>> I downloaded your barefs, chroot'd into it, and used APT to install a
>>>> 4.4*bone* kernel, and a few tools. tar'd that up, and tar'd it back to a
>>>> working single partition (eMMC)
>>>>
>>>> The kernel loads, but get stuck on the line I showed above. So I may
>>>> need to change to mmcblk1 ? Will give your suggestion a try. . .
>>>>
>>>> On Thu, Jul 28, 2016 at 2:37 PM, Robert Nelson <[email protected]
>>>> > wrote:
>>>>
>>>>> On Thu, Jul 28, 2016 at 4:16 PM, William Hermans <[email protected]>
>>>>> wrote:
>>>>> >
>>>>> > ---------- Forwarded message ----------
>>>>> > From: William Hermans <[email protected]>
>>>>> > Date: Thu, Jul 28, 2016 at 2:15 PM
>>>>> > Subject: [beagleboard] cutsom rootfs RCN kernel
>>>>> > To: BeagleBoard <[email protected]>
>>>>> >
>>>>> >
>>>>> > So . . .
>>>>> >
>>>>> > [ 5.174190] of_cfs_init
>>>>> > [ 5.176726] of_cfs_init: OK
>>>>> > [ 5.183633] Waiting for root device /dev/mmcblk1p1...
>>>>> >
>>>>> > The problem *is* . . .
>>>>> > william@ds:~/armhf-rootfs$ cat uEnv.txt | grep mmcroot
>>>>> > mmcroot=/dev/mmcblk0p1
>>>>> > mmcargs=setenv bootargs console=tty0 console=${console} ${optargs}
>>>>> > ${cape_disable} ${cape_enable} root=${mmcroot}
>>>>> rootfstype=${mmcrootfstype}
>>>>> > ${cmdline}
>>>>> >
>>>>> > So this path must be coming from the initramfs *somehow* except
>>>>> there is no
>>>>> > initramfs. I may be able to fix this by setting root=/dev/mmcblk0p1
>>>>> in the
>>>>> > second stage uEnv.txt, but what gives ?
>>>>>
>>>>> try setting:
>>>>>
>>>>> uenv_root=/dev/mmcblk0p1
>>>>>
>>>>> with mainline v4.5.x+ and our "v4.4.x-ti" this now applies:
>>>>>
>>>>> https://forum.digikey.com/thread/34533
>>>>>
>>>>> microSD = mmcblk0
>>>>> eMMC = mmcblk1
>>>>>
>>>>> Regards,
>>>>>
>>>>> --
>>>>> Robert Nelson
>>>>> https://rcn-ee.com/
>>>>>
>>>>
>>>>
>>>
>>
>
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