SK-AM62B-P1: SK-AM62B-P1

Suraj Singh

Part Number: SK-AM62B-P1
Other Parts Discussed in Thread: AM625

I am trying to boot through emmc but its showing issue please anyone have any solution please let me know

U-Boot 2023.04-g7d05009917 (Feb 01 2024 - 15:06:40 +0000)

SoC: AM62X SR1.0 HS-FS
Model: Texas Instruments AM625 SK
EEPROM not available at 80, trying to read at 81
Board: AM62B-SKEVM-P1 rev A
DRAM: 2 GiB
Core: 72 devices, 32 uclasses, devicetree: separate
MMC: mmc@fa10000: 0, mmc@fa00000: 1
Loading Environment from nowhere... OK
In: serial
Out: serial
Err: serial
Net: eth0: ethernet@8000000port@1
Hit any key to stop autoboot: 0
MMC: no card present
SD/MMC found on device 1
MMC: no card present
** Bad device specification mmc 1 **
Couldn't find partition mmc 1
Can't set block device
MMC: no card present
** Bad device specification mmc 1 **
Couldn't find partition mmc 1
Can't set block device
MMC: no card present
** Bad device specification mmc 1 **
## Error: "main_cpsw0_qsgmii_phyinit" not defined
MMC: no card present
** Bad device specification mmc 1 **
Couldn't find partition mmc 1:2
Can't set block device
MMC: no card present
** Bad device specification mmc 1 **
Couldn't find partition mmc 1:2
Can't set block device
libfdt fdt_check_header(): FDT_ERR_BADMAGIC
No FDT memory address configured. Please configure
the FDT address via "fdt addr <address>" command.
Aborting!
Bad Linux ARM64 Image magic!
switch to partitions #0, OK
mmc0(part 0) is current device
Scanning mmc 0:1...
MMC: no card present
No EFI system partition
No EFI system partition
Failed to persist EFI variables
BootOrder not defined
EFI boot manager: Cannot load any image
MMC: no card present
starting USB...
Bus usb@31100000: generic_phy_get_bulk : no phys property
Register 1000840 NbrPorts 1
Starting the controller
USB XHCI 1.10
scanning bus usb@31100000 for devices... 1 USB Device(s) found
scanning usb for storage devices... 0 Storage Device(s) found

Device 0: unknown device
ethernet@8000000port@1 Waiting for PHY auto negotiation to complete......... TIMEOUT !
am65_cpsw_nuss_port ethernet@8000000port@1: phy_startup failed
am65_cpsw_nuss_port ethernet@8000000port@1: am65_cpsw_start end error
missing environment variable: pxeuuid
Retrieving file: pxelinux.cfg/01-1c-63-49-1f-d6-a7
ethernet@8000000port@1 Waiting for PHY auto negotiation to complete......... TIMEOUT !
am65_cpsw_nuss_port ethernet@8000000port@1: phy_startup failed
am65_cpsw_nuss_port ethernet@8000000port@1: am65_cpsw_start end error
Retrieving file: pxelinux.cfg/00000000

9 months ago

0 Prashant Shivhare 9 months ago

TI__Guru 50301 points

Hi Suraj,

The boot fails because U-Boot could not find the Linux Kernel image. Please flash the Linux into eMMC: Flash Linux to eMMC (ti.com)

If you have already flashed then you can boot the Linux with the following commands:

=> setenv mmcdev 0
=> setenv bootpart 0:1
=> boot

Regards,

Prashant

0 Suraj Singh 9 months ago in reply to Prashant Shivhare

Intellectual 265 points

same as it is showing error please help me to get out of this

0 Prashant Shivhare 9 months ago in reply to Suraj Singh

TI__Guru 50301 points

Suraj Singh said:
same as it is showing error please help me to get out of this

Have you flashed linux in the eMMC?

0 Suraj Singh 9 months ago in reply to Prashant Shivhare

Intellectual 265 points

Yes i flashed linux in the eMMC. Do you have full steps to flashed linux in the eMMC, because i am following from ti website but it is not working so please share any documents regarding flashing in the eMMC.

ReplyForward

0 Prashant Shivhare 9 months ago in reply to Suraj Singh

TI__Guru 50301 points

I already shared the document for flashing Linux to eMMC: Flash Linux to eMMC (ti.com)

Can you share the output of the following command run from the U-Boot prompt:

=> mmc part

0 Suraj Singh 9 months ago in reply to Prashant Shivhare

Intellectual 265 points

Hit any key to stop autoboot: 0
=> mmc part

Partition Map for MMC device 0 -- Partition Type: DOS

Part Start Sector Num Sectors UUID Type
1 2048 262144 79bf42bf-01 0c Boot
2 264192 8008114 79bf42bf-02 83

This is the output

0 Prashant Shivhare 9 months ago in reply to Suraj Singh

TI__Guru 50301 points

It looks like the eMMC is partitioned correctly.

Can you please share the output of the following commands:

=> mmc dev 0 0
=> ls mmc 0:1
=> ls mmc 0:2

0 Suraj Singh 9 months ago in reply to Prashant Shivhare

Intellectual 265 points

=> mmc dev 0 0
switch to partitions #0, OK
mmc0(part 0) is current device
=> ls mmc 0:1
EFI/
24445440 Image
12285 ti_logo_414x97_32bpp.bmp.gz
292849 tiboot3-am62x-gp-evm.bin
295438 tiboot3-am62x-hs-evm.bin
295438 tiboot3-am62x-hs-fs-evm.bin
295438 tiboot3.bin
1178343 tispl.bin
984939 u-boot.img

8 file(s), 1 dir(s)

=> ls mmc 0:2
<DIR> 4096 .
<DIR> 4096 ..
<DIR> 16384 lost+found
<SYM> 7 bin
<DIR> 4096 boot
<DIR> 4096 dev
<DIR> 4096 etc
<DIR> 4096 home
<SYM> 7 lib
<DIR> 4096 media
<DIR> 4096 mnt
<DIR> 4096 proc
<DIR> 4096 run
<SYM> 8 sbin
<DIR> 4096 srv
<DIR> 4096 sys
<DIR> 4096 tmp
<DIR> 4096 usr
<DIR> 4096 var

This is the output

0 Prashant Shivhare 9 months ago in reply to Suraj Singh

TI__Guru 50301 points

It looks like everything is programmed correctly.

Since you have flashed Linux in Partition 2, these command should boot Linux

=> setenv mmcdev 0
=> setenv bootpart 0:2
=> boot

0 Suraj Singh 9 months ago in reply to Prashant Shivhare

Intellectual 265 points

I want to boot automatically through emmc , means i don't want to set manually , so for that where i need to change the flags where it will automatically select the partition for emmc to boot.

please let me know asap.

0 Prashant Shivhare 9 months ago in reply to Suraj Singh

TI__Guru 50301 points

You would need to apply the following patch

diff --git a/board/ti/am62x/am62x.env b/board/ti/am62x/am62x.env
index e507ca27..7e2d13b6 100644
--- a/board/ti/am62x/am62x.env
+++ b/board/ti/am62x/am62x.env
@@ -28,8 +28,8 @@ args_all=setenv optargs ${optargs} earlycon=ns16550a,mmio32,0x02800000
 run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}
 
 boot=mmc
-mmcdev=1
-bootpart=1:2
+mmcdev=0
+bootpart=0:2
 bootdir=/boot
 rd_spec=-

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SK-AM62B-P1: SK-AM62B-P1