Other Parts Discussed in Thread: SK-AM62
Hi,
My customer evaluate the device using SK-AM62 with Linux SDK.
When they got CPU information with "lscpu" command, L2 cache size was shown as 256kB.
root@am62xx-evm:~# lscpu Architecture: aarch64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 4 Socket(s): 1 Vendor ID: ARM Model: 4 Model name: Cortex-A53 Stepping: r0p4 CPU max MHz: 1400.0000 CPU min MHz: 200.0000 BogoMIPS: 400.00 L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 256 KiB Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Retbleed: Not affected Vulnerability Spec store bypass: Not affected Vulnerability Spectre v1: Mitigation; __user pointer sanitization Vulnerability Spectre v2: Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 cpui d root@am62xx-evm:~#
According to datasheet, L2 cache is 512kB. Why it is shown as 256kB?
Thanks and regards,
Koichiro Tashiro