Hello,
I have the MCIMX6UL eval kit and it suppose to have 4GB RAM and 696 MHz Cortex-A7 core.
However I cant verify it. It says 396MHz and DRAM is 512MiB
Please see the u-boot output below:
U-Boot 2015.04-imx_v2015.04_4.1.15_1.0.0_ga+gd7d7c43 (Apr 01 2016 - 10:00:09)
CPU: Freescale i.MX6UL rev1.0 at 396 MHz
CPU: Temperature 42 C
Reset cause: POR
Board: MX6UL 14x14 EVK
I2C: ready
DRAM: 512 MiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1
*** Warning - bad CRC, using default environment
Display: TFT43AB (480x272)
Video: 480x272x24
In: serial
Out: serial
Err: serial
switch to partitions #0, OK
mmc1 is current device
Net: FEC1
Normal Boot
Hit any key to stop autoboot: 0
and this is the result for cat /proc/meminfo command:
root@imx6ul7d:~# cat /proc/meminfo
MemTotal: 507264 kB
MemFree: 398448 kB
MemAvailable: 383452 kB
Buffers: 5704 kB
Cached: 37504 kB
SwapCached: 0 kB
Active: 35136 kB
Inactive: 24892 kB
Active(anon): 16948 kB
Inactive(anon): 856 kB
Active(file): 18188 kB
Inactive(file): 24036 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 507264 kB
LowFree: 398448 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 16816 kB
Mapped: 26832 kB
Shmem: 988 kB
Slab: 9100 kB
SReclaimable: 3296 kB
SUnreclaim: 5804 kB
KernelStack: 1144 kB
PageTables: 1040 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 253632 kB
Committed_AS: 73052 kB
VmallocTotal: 1548288 kB
VmallocUsed: 4016 kB
VmallocChunk: 1367912 kB
CmaTotal: 327680 kB
CmaFree: 293840 kB
Solved! Go to Solution.
Hi Mehmet,
Welcome to the Community!
On Table 1 of the i.MX 6UltraLite EVK Board Hardware User’s Guide is indicated that DRAM Memory is Micron 4Gb DDR3L SDRAM (4 Gb which means 512 MB).
Regarding operating frequency, the i.MX6UL family can run up to 696 MHz, but it depends of the family member. In case on the processor included on the EVK (MCIMX6G2CVM05AA), it could run up to 528 MHz, but the boot frequency is limited by Uboot. You could refer to the following thread if you want to operate the processor on its maximum frequency:
How to set imx6UL CPU to 528MHz in U-boot
Hope this will be useful for you.
Best regards!
/Carlos
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Hi,
Page 4 of the Quick Start Guide suggests 4GB of RAM. So it seems to be wrong.
Thanks for the explanation.
Moises
Hi Mehmet,
Welcome to the Community!
On Table 1 of the i.MX 6UltraLite EVK Board Hardware User’s Guide is indicated that DRAM Memory is Micron 4Gb DDR3L SDRAM (4 Gb which means 512 MB).
Regarding operating frequency, the i.MX6UL family can run up to 696 MHz, but it depends of the family member. In case on the processor included on the EVK (MCIMX6G2CVM05AA), it could run up to 528 MHz, but the boot frequency is limited by Uboot. You could refer to the following thread if you want to operate the processor on its maximum frequency:
How to set imx6UL CPU to 528MHz in U-boot
Hope this will be useful for you.
Best regards!
/Carlos
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Note: If this post answers your question, please click the Correct Answer button. Thank you!
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