Agilex7m i have configure 4GB ddr linux is not booting. I got architect time failure error.

Question

Agilex7m I have configure 2GB DDR, linux is booting fine. But if I configure 4GB ddr linux is not booting. I got architect time failure error. But 2GB ddr configuration this error not came.

I u-boot 4GB ddr is accessible but linux is not booting

Boot logs

init_mem_cal: Initial DDR calibration IO96B_0 succeed

DDR: Calibration success

is_mailbox_spec_compatible: IOSSM mailbox version: 1

DDR5: 4096 MiB

ecc_interrupt_status: ECC error number detected on IO96B_0: 0

DDR5: size check success

DDR5: firewall init success

DDR5 init success

QSPI: Reference clock at 500000 kHz

Trying to boot from SPI

Board ID is not in range 0 to 255

## Checking hash(es) for config board-0 ... OK

## Checking hash(es) for Image atf ... crc32+ OK

## Checking hash(es) for Image uboot ... crc32+ OK

## Checking hash(es) for Image fdt-0 ... crc32+ OK

NOTICE: BL31: v2.13.1(release):QPDS25.3.1_REL_GSRD_PR

NOTICE: BL31: Built : 10:40:22, Nov 25 2025

U-Boot 2025.10-ga0db71cfad37-dirty (Dec 11 2025 - 10:49:42 +0000)socfpga_agilex7m

CPU: Altera FPGA SoCFPGA Platform (ARMv8 64bit Cortex-A53)

Model: SoCFPGA Agilex7-M SoCDK

DRAM: 2 GiB (total 4 GiB)

Core: 38 devices, 22 uclasses, devicetree: separate

NAND: 0 MiB

MMC: mmc@ff808000: 0

Loading Environment from FAT... OK

In: serial@ffc02000

Out: serial@ffc02000

Err: serial@ffc02000

Board ID is not in range 0 to 255

Net: eth0: ethernet@ff800000

Hit any key to stop autoboot: 0

SOCFPGA_AGILEX7M #

SOCFPGA_AGILEX7M # bdinfo

boot_params = 0x0000000000000100

DRAM bank = 0x0000000000000000

-> start = 0x0000000000000000

-> size = 0x0000000080000000

DRAM bank = 0x0000000000000001

-> start = 0x0000000100000000

-> size = 0x0000000080000000

flashstart = 0x0000000000000000

flashsize = 0x0000000000000000

reloc off = 0x000000007fce9000

Build = 64-bit

current eth = ethernet@ff800000

ethaddr = b6:97:a4:21:e2:4a

IP addr = 169.254.65.121

fdt_blob = 0x000000007fae1950

lmb_dump_all:

memory.count = 0x2

memory[0] [0x0-0x7fffffff], 0x80000000 bytes, flags: none

memory[1] [0x100000000-0x17fffffff], 0x80000000 bytes, flags: none

reserved.count = 0x3

reserved[0] [0x0-0x1ffffff], 0x2000000 bytes, flags: no-map

reserved[1] [0x7eae1940-0x7fffffff], 0x151e6c0 bytes, flags: no-overwrite

reserved[2] [0x17fff7000-0x17fffffff], 0x9000 bytes, flags: no-notify, no-overwrite

devicetree = separate

serial addr = 0x00000000ffc02000

width = 0x0000000000000004

shift = 0x0000000000000002

offset = 0x0000000000000000

clock = 0x0000000005f5e100

arch_number = 0x0000000000000000

TLB addr = 0x000000007ffe0000

irq_sp = 0x000000007fae1940

sp start = 0x000000007fae1940

Early malloc usage: 1608 / 2000

Failure log:

init_mem_cal: Initial DDR calibration IO96B_0 succeed
DDR: Calibration success
is_mailbox_spec_compatible: IOSSM mailbox version: 1
DDR5: 4096 MiB
ecc_interrupt_status: ECC error number detected on IO96B_0: 0
DDR5: size check success
DDR5: firewall init success
DDR5 init success
QSPI: Reference clock at 500000 kHz
Trying to boot from SPI
Error: -22
Trying to boot from MMC1
Board ID is not in range 0 to 255
## Checking hash(es) for config board-0 ... OK
## Checking hash(es) for Image atf ... crc32+ OK
## Checking hash(es) for Image uboot ... crc32+ OK
## Checking hash(es) for Image fdt-0 ... crc32+ OK
NOTICE: BL31: v2.13.1(release):QPDS25.3.1_REL_GSRD_PR
NOTICE: BL31: Built : 10:40:22, Nov 25 2025

U-Boot 2025.10 (Dec 11 2025 - 10:49:42 +0000)socfpga_agilex7m

CPU: Altera FPGA SoCFPGA Platform (ARMv8 64bit Cortex-A53)
Model: SoCFPGA Agilex7-M SoCDK
DRAM: 2 GiB (total 4 GiB)
Core: 38 devices, 22 uclasses, devicetree: separate
NAND: 0 MiB
MMC: mmc@ff808000: 0
Loading Environment from FAT... OK
In: serial@ffc02000
Out: serial@ffc02000
Err: serial@ffc02000
Board ID is not in range 0 to 255
Net: eth0: ethernet@ff800000
Hit any key to stop autoboot: 0
switch to partitions #0, OK
mmc0(part 0) is current device
Scanning mmc 0:1...
Found U-Boot script /boot.scr.uimg
2411 bytes read in 3 ms (784.2 KiB/s)
## Executing script at 05ff0000
crc32+ Trying to boot Linux from device mmc0
Found kernel in mmc0
13661579 bytes read in 979 ms (13.3 MiB/s)
## Loading kernel (any) from FIT Image at 02000000 ...
Using 'board-0' configuration
Verifying Hash Integrity ... OK
Trying 'kernel' kernel subimage
Description: Linux Kernel
Type: Kernel Image
Compression: lzma compressed
Data Start: 0x020000dc
Data Size: 10439444 Bytes = 10 MiB
Architecture: AArch64
OS: Linux
Load Address: 0x06000000
Entry Point: 0x06000000
Hash algo: crc32
Hash value: 0ccd8e20
Verifying Hash Integrity ... crc32+ OK
## Loading fdt (any) from FIT Image at 02000000 ...
Using 'board-0' configuration
Verifying Hash Integrity ... OK
Trying 'fdt-0' fdt subimage
Description: socfpga_socdk_vanilla
Type: Flat Device Tree
Compression: uncompressed
Data Start: 0x029f4cd4
Data Size: 32121 Bytes = 31.4 KiB
Architecture: AArch64
Hash algo: crc32
Hash value: 262d6a47
Verifying Hash Integrity ... crc32+ OK
Booting using the fdt blob at 0x29f4cd4
Working FDT set to 29f4cd4
Uncompressing Kernel Image to 6000000
Loading Device Tree to 000000007ead6000, end 000000007eae0d78 ... OK
Working FDT set to 7ead6000
SF: Detected mt25qu02g with page size 256 Bytes, erase size 64 KiB, total 256 MiB
Enabling QSPI at Linux DTB...
Working FDT set to 7ead6000
libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND
libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND
QSPI clock frequency updated
RSU: Firmware or flash content not supporting RSU
RSU: Firmware or flash content not supporting RSU
RSU: Firmware or flash content not supporting RSU
RSU: Firmware or flash content not supporting RSU

Starting kernel ...

Deasserting all peripheral resets
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[ 0.000000] Linux version 6.12.43-altera-gd16fc609d5a7 (oe-user@oe-host) (aarch64-poky-linux-gcc (GCC) 14.3.0, GNU ld (GNU Binutils) 2.44.0.20250715) #1 SMP PREEMPT Tue Nov 25 16:06
:07 UTC 2025
[ 0.000000] KASLR disabled due to lack of seed
[ 0.000000] Machine model: SoCFPGA Agilex7-M SoCDK
[ 0.000000] efi: UEFI not found.
[ 0.000000] earlycon: uart0 at MMIO32 0x00000000ffc02000 (options '115200n8')
[ 0.000000] printk: legacy bootconsole [uart0] enabled
[ 0.000000] Reserved memory: created DMA memory pool at 0x0000000000000000, size 32 MiB
[ 0.000000] OF: reserved mem: initialized node svcbuffer@0, compatible id shared-dma-pool
[ 0.000000] OF: reserved mem: 0x0000000000000000..0x0000000001ffffff (32768 KiB) nomap non-reusable svcbuffer@0
[ 0.000000] NUMA: Faking a node at [mem 0x0000000000000000-0x000000017fffffff]
[ 0.000000] NODE_DATA(0) allocated [mem 0x17f7fbe80-0x17f7fe4bf]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000000000-0x00000000ffffffff]
[ 0.000000] DMA32 empty
[ 0.000000] Normal [mem 0x0000000100000000-0x000000017fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x0000000001ffffff]
[ 0.000000] node 0: [mem 0x0000000002000000-0x000000007fffffff]
[ 0.000000] node 0: [mem 0x0000000100000000-0x000000017fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000017fffffff]
[ 0.000000] cma: Reserved 32 MiB at 0x000000007ca00000 on node -1
[ 0.000000] psci: probing for conduit method from DT.
[ 0.000000] psci: PSCIv1.1 detected in firmware.
[ 0.000000] psci: Using standard PSCI v0.2 function IDs
[ 0.000000] psci: MIGRATE_INFO_TYPE not supported.
[ 0.000000] psci: SMC Calling Convention v1.5
[ 0.000000] percpu: Embedded 25 pages/cpu s61784 r8192 d32424 u102400
[ 0.000000] Detected VIPT I-cache on CPU0
[ 0.000000] CPU features: detected: ARM erratum 845719
[ 0.000000] alternatives: applying boot alternatives
[ 0.000000] Kernel command line: earlycon panic=-1 root=/dev/mmcblk0p2 rw rootwait
[ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[ 0.000000] Fallback order for Node 0: 0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1048576
[ 0.000000] Policy zone: Normal
[ 0.000000] mem auto-init: stack:all(zero), heap alloc:off, heap free:off
[ 0.000000] software IO TLB: area num 4.
[ 0.000000] software IO TLB: mapped [mem 0x0000000078a00000-0x000000007ca00000] (64MB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] rcu: Preemptible hierarchical RCU implementation.
[ 0.000000] rcu: RCU event tracing is enabled.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=4.
[ 0.000000] Trampoline variant of Tasks RCU enabled.
[ 0.000000] Tracing variant of Tasks RCU enabled.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[ 0.000000] RCU Tasks: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4.
[ 0.000000] RCU Tasks Trace: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4.
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 0.000000] timer_probe: no matching timers found
[ 0.000000] Kernel panic - not syncing: Unable to initialise architected timer.
[ 0.000000] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.43-altera-gd16fc609d5a7 #1
[ 0.000000] Hardware name: SoCFPGA Agilex7-M SoCDK (DT)
[ 0.000000] Call trace:
[ 0.000000] dump_backtrace.part.0+0xd4/0xe0
[ 0.000000] show_stack+0x18/0x30
[ 0.000000] dump_stack_lvl+0x60/0x80
[ 0.000000] dump_stack+0x18/0x24
[ 0.000000] panic+0x168/0x360
[ 0.000000] time_init+0x30/0x50
[ 0.000000] start_kernel+0x544/0x6d0
[ 0.000000] __primary_switched+0x80/0x88

scottp_altera · Answer

Let me ask a couple questions to help me understand what the issue could be. U-boot is reporting:

DRAM: 2 GiB (total 4 GiB)

It looks like a size mismatch. I'm wondering if you made the DDR size change to both the EMIF controller and to the u-boot device tree source? Are there any other changes?

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Agilex7m i have configure 4GB ddr linux is not booting. I got architect time failure error.

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