# CN9132 on eval board : Boot from emmc ?! **URL:** \ **Category:** OCTEON CN9130\ **Created:** [May 30, 2023, 9:16am UTC](https://community.solid-run.com/t/cn9132-on-eval-board-boot-from-emmc/656 "2023-05-30T09:16:31Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Nicolas](https://avatars.discourse-cdn.com/v4/letter/n/67e7ee/32.png) [@Nicolas](https://community.solid-run.com/u/Nicolas)\ **Post date:** [May 30, 2023, 9:16am UTC](https://community.solid-run.com/t/cn9132-on-eval-board-boot-from-emmc/656/1 "2023-05-30T09:16:31Z")
Hello, I’m trying to configure my board to boot from emmc : - Booted from sdcard - Flash emmc uboot (latest) to boot0 & boot1 partition - Flash emmc with IMG on mmcblk0 =\> Get a mmcblk0p1, expanded to max capacity and tried to mount =\> OK - Configured board to boot from emmc =\> OK on uboot but … failed to boot when loading kernel and other Partition is not seen on uboot (and so file loading…) : Marvell\>\> mmc dev 0 unable to select a mode switch to partitions #0, OK mmc0(part 0) is current device Marvell\>\> mmc part ## Unknown partition table type 0 Marvell\>\> mmc list sdhci@6e0000: 0 (eMMC) sdhci@780000: 1 Marvell\>\> mmc info Device: sdhci@6e0000 Manufacturer ID: 15 OEM: 100 Name: 8GTF4 Bus Speed: 200000000 Mode: MMC legacy Rd Block Len: 512 MMC version 5.1 High Capacity: Yes Capacity: 7.3 GiB Bus Width: 1-bit Erase Group Size: 512 KiB HC WP Group Size: 8 MiB User Capacity: 7.3 GiB WRREL Boot Capacity: 4 MiB ENH RPMB Capacity: 512 KiB ENH Any help ? seems to be related to : Hit any key to stop autoboot: 0 Card did not respond to voltage select! unable to select a mode switch to partitions #0, OK mmc0(part 0) is current device \*\* No partition table - mmc 0 \*\* Something wrong with latest Uboot ? (again !) Regards ---
**Author:** ![jnettlet](https://dub1.discourse-cdn.com/flex005/user_avatar/community.solid-run.com/jnettlet/32/62_2.png) [@jnettlet](https://community.solid-run.com/u/jnettlet)\ **Post date:** [May 30, 2023, 9:30am UTC](https://community.solid-run.com/t/cn9132-on-eval-board-boot-from-emmc/656/2 "2023-05-30T09:30:30Z")
If you have your bootloader flashed on the eMMC boot0 hardware partition then you need to configure the eMMC device to boot from it. In u-boot the command would be `mmc partconf 0 1 1 0` -Jon ---
**Author:** ![Nicolas](https://avatars.discourse-cdn.com/v4/letter/n/67e7ee/32.png) [@Nicolas](https://community.solid-run.com/u/Nicolas)\ **Post date:** [May 30, 2023, 9:52am UTC](https://community.solid-run.com/t/cn9132-on-eval-board-boot-from-emmc/656/3 "2023-05-30T09:52:00Z")
Sure … already selected emmc boot 0 : Boot Log : BootROM - 2.03 Starting AP IOROM 1.02 Booting from eMMC 0 Found valid image at boot postion 0x004 lNOTICE: Starting binary extension … … The problem is that I cannot access to Ubuntu partition to load kernel dts or anything ! Regards Nicolas F. ---
**Author:** ![Nicolas](https://avatars.discourse-cdn.com/v4/letter/n/67e7ee/32.png) [@Nicolas](https://community.solid-run.com/u/Nicolas)\ **Post date:** [May 30, 2023, 12:41pm UTC](https://community.solid-run.com/t/cn9132-on-eval-board-boot-from-emmc/656/4 "2023-05-30T12:41:30Z")
I Think it’s more Uboot DTB related : emmc init seems wrong ! Loading Environment from MMC… unable to select a mode \*\*\* Warning - !read failed, using default environment get\_tlvinfo\_from\_eeprom: failed to read from eeprom! Net: Failed to find COMPHY lane Warning: mvpp2-0 (eth0) using random MAC address - 0e:86:8e:8b:9c:e8 eth0: mvpp2-0 [PRIME] Warning: mvpp2-1 (eth1) using random MAC address - fa:a5:85:07:54:bb , eth1: mvpp2-1 Warning: mvpp2-2 (eth2) using random MAC address - 82:07:ca:d3:74:81 , eth2: mvpp2-2 Warning: mvpp2-3 (eth3) using random MAC address - fa:fb:a8:31:e2:b7 , eth3: mvpp2-3 Warning: mvpp2-6 (eth4) using random MAC address - ba:d1:0f:d7:2b:0b , eth4: mvpp2-6 Hit any key to stop autoboot: 0 **Card did not respond to voltage select!** **switch to partitions #0, OK** **mmc0(part 0) is current device** \*\*\*\* Unrecognized filesystem type \*\*\*\* starting USB… What is the “known as working version of uboot ?” Regards Nicolas F. ---
**Author:** ![jnettlet](https://dub1.discourse-cdn.com/flex005/user_avatar/community.solid-run.com/jnettlet/32/62_2.png) [@jnettlet](https://community.solid-run.com/u/jnettlet)\ **Post date:** [May 30, 2023, 12:52pm UTC](https://community.solid-run.com/t/cn9132-on-eval-board-boot-from-emmc/656/5 "2023-05-30T12:52:24Z")
> [@Nicolas](#): > > **switch to partitions #0, OK** > **mmc0(part 0) is current device** Let me ping @Josua for an answer to this. I do not have direct access to the your specific hardware and he has been working on the recent BSPs. ---
**Author:** ![Josua](https://avatars.discourse-cdn.com/v4/letter/j/e47774/32.png) [@Josua](https://community.solid-run.com/u/Josua)\ **Post date:** [August 25, 2024, 11:24am UTC](https://community.solid-run.com/t/cn9132-on-eval-board-boot-from-emmc/656/6 "2024-08-25T11:24:18Z")
We recently discovered that U-Boot was trying to use high-speed modes HS200/HS400, which on some boards caused failures as shown in this topic, while other boards operated fine. This issue should be resolved by disabling those high-speed modes in u-boot stage, Linux is not affected.