It boots into 1st partition I am unable to understand this behaviour
On Monday, May 6, 2019 at 2:05:36 PM UTC+5:30, Sharvin Shah wrote:
>
> When I add under *if run loadfdt; then \* This is working properly
>
> setenv fdt_buffer 0x60000; \
> fatload mmc 0:1 ${rdaddr} /lib/firmware/BB-UART4-00A0.dtbo; \
> fdt addr ${fdtaddr}; \
> fdt resize ${fdt_buffer}; \
> fdt apply ${rdaddr}; \
> fdt resize ${fdt_buffer}; \
> fatload mmc 0:1 ${rdaddr} /lib/firmware/BB-UART1-00A0.dtbo; \
>
> But When I add anything under
> * fatload mmc 0:1 ${rdaddr} /lib/firmware/BB-UART1-00A0.dtbo; \ *
> Uboot starts booting in a different way.
>
> uEnv.txt:
>
> rdaddr=0x88080000
>
> initrd_high=0xffffffff
> fdt_high=0xffffffff
>
> loadxrd=echo debug: [/boot/initrd.img-${uname_r}] ... ; load mmc 0:1
> ${rdaddr} /boot/initrd.img-${uname_r}; setenv rdsize ${filesize}
> loaduEnvtxt=load mmc 0:1 ${loadaddr} /boot/uEnv.txt ; env import -t
> ${loadaddr} ${filesize};
> check_dtb=if test -n ${dtb}; then setenv fdtfile ${dtb};fi;
> check_uboot_overlays=if test -n ${enable_uboot_overlays}; then setenv
> enable_uboot_overlays ;fi;
>
> loadall=run loaduEnvtxt; run check_dtb; run check_uboot_overlays; run
> loadxrd;
>
> rootpart=0:2
> flagpart=0:4
> bootdir=/boot
> bootfile=vmlinuz-4.14.71-ti-r80
> console=ttyO0,115200n8
> fdtaddr=0x88000000
> fdtfile=am335x-bonegreen-wireless.dtb
> loadaddr=0x82000000
> mmcroot=/dev/mmcblk0p2 ro
> mmcrootfstype=ext4 rootwait
>
> mmcargs=setenv bootargs console=${console} ${optargs} ${cape_disable}
> ${cape_enable} root=${mmcroot} rootfstype=${mmcrootfstype} ${cmdline}
>
> loadfdt=echo debug: [/boot/dtbs/${uname_r}/${fdtfile}] ... ;load mmc 0:1
> ${fdtaddr} /boot/dtbs/${uname_r}/${fdtfile}
>
> loadimage=echo debug: [/boot/vmlinuz-${uname_r}] ... ; load mmc 0:1
> ${loadaddr} /boot/vmlinuz-${uname_r}
>
> boot_three=setenv rootpart 0:3; setenv mmcroot /dev/mmcblk0p3 ro
>
> findroot=\
> if test -e mmc $flagpart three; then \
> if test -e mmc $flagpart three_ok; then \
> run boot_three; \
> elif test ! -e mmc $flagpart three_tried; then \
> fatwrite mmc $flagpart $loadaddr three_tried 4; \
> run boot_three; \
> fi; \
> elif test -e mmc $flagpart two; then \
> if test ! -e mmc $flagpart two_ok; then \
> if test -e mmc $flagpart two_tried; then \
> run boot_three; \
> else \
> fatwrite mmc $flagpart $loadaddr two_tried 4; \
> fi; \
> fi; \
> fi;
> uenvcmd=\
> run loadall; \
> run findroot; \
> echo Using root partition ${rootpart}; \
> if run loadfdt; then \
> echo Inside loadfdt; \
> setenv fdt_buffer 0x60000; \
> fatload mmc 0:1 ${rdaddr} /lib/firmware/BB-UART4-00A0.dtbo; \
> echo I have loaded BB-UART4-00A0.dtbo; \
> fdt addr ${fdtaddr}; \
> fdt resize ${fdt_buffer}; \
> fdt apply ${rdaddr}; \
> fdt resize ${fdt_buffer}; \
> fatload mmc 0:1 ${rdaddr} /lib/firmware/BB-UART1-00A0.dtbo; \
> echo I have loaded BB-UART1-00A0.dtbo; \
> if run loadimage; then \
> run mmcargs; \
> bootz ${loadaddr} - ${fdtaddr}; \
> fi; \
> fi;
>
> Boot logs:
>
> U-Boot SPL 2018.09-00002-g0b54a51eee (Sep 10 2018 - 19:41:39 -0500)
> Trying to boot from MMC2
> Loading Environment from EXT4...
> ** Unable to use mmc 0:1 for loading the env **
>
>
> U-Boot 2018.09-00002-g0b54a51eee (Sep 10 2018 - 19:41:39 -0500), Build:
> jenkin
> s-github_Bootloader-Builder-65
>
> CPU : AM335X-GP rev 2.1
> I2C: ready
> DRAM: 512 MiB
> No match for driver 'omap_hsmmc'
> No match for driver 'omap_hsmmc'
> Some drivers were not found
> Reset Source: Power-on reset has occurred.
> RTC 32KCLK Source: External.
> MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
> Loading Environment from EXT4...
> ** Unable to use mmc 0:1 for loading the env **
> Board: BeagleBone Black
> <ethaddr> not set. Validating first E-fuse MAC
> BeagleBone Black:
> Model: SeeedStudio BeagleBone Green Wireless:
> BeagleBone: cape eeprom: i2c_probe: 0x54:
> BeagleBone: cape eeprom: i2c_probe: 0x55:
> BeagleBone: cape eeprom: i2c_probe: 0x56:
> BeagleBone: cape eeprom: i2c_probe: 0x57:
> Net: eth0: MII MODE
> Could not get PHY for cpsw: addr 0
> cpsw, usb_ether
> Press SPACE to abort autoboot in 2 seconds
> board_name=[A335BNLT] ...
> board_rev=[GW1A] ...
> switch to partitions #0, OK
> mmc0 is current device
> SD/MMC found on device 0
> switch to partitions #0, OK
> mmc0 is current device
> Scanning mmc 0:1...
> 60067 bytes read in 5 ms (11.5 MiB/s)
> gpio: pin 56 (gpio 56) value is 0
> gpio: pin 55 (gpio 55) value is 0
> gpio: pin 54 (gpio 54) value is 0
> gpio: pin 53 (gpio 53) value is 1
> switch to partitions #0, OK
> mmc0 is current device
> gpio: pin 54 (gpio 54) value is 1
> Checking for: /uEnv.txt ...
> 2257 bytes read in 2 ms (1.1 MiB/s)
> gpio: pin 55 (gpio 55) value is 1
> Loaded environment from /uEnv.txt
> Importing environment from mmc ...
> Checking if uenvcmd is set ...
> test - minimal test like /bin/sh
>
> Usage:
> test [args..]
> Checking if client_ip is set ...
> Checking for: /boot.scr ...
> Checking for: /boot/boot.scr ...
> Checking for: /boot/uEnv.txt ...
> gpio: pin 55 (gpio 55) value is 1
> 2176 bytes read in 3 ms (708 KiB/s)
> Loaded environment from /boot/uEnv.txt
> Checking if uname_r is set in /boot/uEnv.txt...
> gpio: pin 56 (gpio 56) value is 1
> Running uname_boot ...
> loading /boot/vmlinuz-4.14.71-ti-r80 ...
> debug: [/boot/vmlinuz-4.14.71-ti-r80] ...
> 10416640 bytes read in 652 ms (15.2 MiB/s)
> debug: [enable_uboot_overlays=1] ...
> debug: [enable_uboot_cape_universal=1] ...
> debug: [uboot_base_dtb_univ=am335x-bonegreen-wireless-uboot-univ.dtb] ...
> uboot_overlays: [uboot_base_dtb=am335x-bonegreen-wireless-uboot-univ.dtb]
> ...
> uboot_overlays: Switching too:
> dtb=am335x-bonegreen-wireless-uboot-univ.dtb ...
> debug:
> [/boot/dtbs/4.14.71-ti-r80/am335x-bonegreen-wireless-uboot-univ.dtb] ...
> 156290 bytes read in 14 ms (10.6 MiB/s)
> uboot_overlays: [fdt_buffer=0x60000] ...
> uboot_overlays: loading /lib/firmware/BB-UART4-00A0.dtbo ...
> 1075 bytes read in 3 ms (349.6 KiB/s)
> uboot_overlays: loading /lib/firmware/BB-UART1-00A0.dtbo ...
> 1075 bytes read in 3 ms (349.6 KiB/s)
> uboot_overlays: loading /lib/firmware/BB-I2C2-00A0.dtbo ...
> 1152 bytes read in 3 ms (375 KiB/s)
> uboot_overlays: loading /lib/firmware/BB-BONE-eMMC1-01-00A0.dtbo ...
> 1440 bytes read in 3 ms (468.8 KiB/s)
> uboot_overlays: loading /lib/firmware/BB-BBGW-WL1835-00A0.dtbo ...
> 4839 bytes read in 3 ms (1.5 MiB/s)
> uboot_overlays: loading /lib/firmware/BB-ADC-00A0.dtbo ...
> 711 bytes read in 3 ms (231.4 KiB/s)
> uboot_overlays: loading /lib/firmware/AM335X-PRU-RPROC-4-4-TI-00A0.dtbo ...
> 2402 bytes read in 3 ms (781.3 KiB/s)
> loading /boot/initrd.img-4.14.71-ti-r80 ...
> 4799493 bytes read in 303 ms (15.1 MiB/s)
> debug: [console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1
> root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait coherent_pool=1M
> net.ifnames=0 quiet] ...
> debug: [bootz 0x82000000 0x88080000:493c05 88000000] ...
> ## Flattened Device Tree blob at 88000000
> Booting using the fdt blob at 0x88000000
> reserving fdt memory region: addr=88000000 size=88000
> Using Device Tree in place at 88000000, end 8808afff
>
> Starting kernel ...
>
> [ 0.002080] timer_probe: no matching timers found
> [ 1.135823] wkup_m3_ipc 44e11324.wkup_m3_ipc: could not get rproc handle
> [ 1.486352] omap_voltage_late_init: Voltage driver support not added
> [ 1.493340] PM: Cannot get wkup_m3_ipc handle
> mount: mounting /dev/mmcblk0p1 on /root failed: Invalid argument
> mount: mounting /dev on /root/dev failed: No such file or directory
> mount: mounting /dev on /root/dev failed: No such file or directory
> mount: mounting /run on /root/run failed: No such file or directory
> run-init: current directory on the same filesystem as the root: error 0
> Target filesystem doesn't have requested /sbin/init.
> run-init: current directory on the same filesystem as the root: error 0
> run-init: current directory on the same filesystem as the root: error 0
> run-init: current directory on the same filesystem as the root: error 0
> run-init: current directory on the same filesystem as the root: error 0
> run-init: current directory on the same filesystem as the root: error 0
> No init found. Try passing init= bootarg.
>
>
> BusyBox v1.22.1 (Debian 1:1.22.0-19+b3) built-in shell (ash)
> Enter 'help' for a list of built-in commands.
>
> (initramfs)
>
>
>
> On Saturday, May 4, 2019 at 8:05:12 PM UTC+5:30, RobertCNelson wrote:
>>
>> > uenvcmd=\
>> > run loadall; \
>> > run findroot; \
>> > echo Using root partition ${rootpart}; \
>> > setenv fdt_buffer 0x60000; \
>> > load ${devtype} ${bootpart} ${rdaddr} ${uboot_overlay}; \
>> > fdt addr ${fdtaddr}; \
>> > fdt resize ${fdt_buffer}; \
>> > fdt apply ${rdaddr}; \
>> > fdt resize ${fdt_buffer}; \
>> > echo Done with the edit; \
>> > if run loadfdt; then \
>> > echo Loaded ${fdtfile}; \
>>
>> Wrong order, you placed my "reference example" before the you loaded
>> the main dtb. ( i also didn't expect you'd just copy it as is.. so
>> let's expand it more..)
>>
>> ```
>> if run loadfdt; then \
>> echo Loaded ${fdtfile}; \
>> setenv fdt_buffer 0x60000; \
>> load mmc 0:1 ${rdaddr} /lib/firmware/BB-UART4-00A0.dtbo; \
>> fdt addr ${fdtaddr}; \
>> fdt resize ${fdt_buffer}; \
>> fdt apply ${rdaddr}; \
>> fdt resize ${fdt_buffer}; \
>> load mmc 0:1 ${rdaddr} /lib/firmware/BB-UART1-00A0.dtbo; \
>> fdt addr ${fdtaddr}; \
>> fdt resize ${fdt_buffer}; \
>> fdt apply ${rdaddr}; \
>> fdt resize ${fdt_buffer}; \
>> <and so on>
>> <and so on>
>> if run loadimage; then \
>> run mmcargs; \
>> bootz ${loadaddr} - ${fdtaddr}; \
>> fi; \
>> fi;
>> ```
>>
>> Does that now make sense?
>>
>> Regards,
>>
>> --
>> Robert Nelson
>> https://rcn-ee.com/
>>
>
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