On Monday 19 August 2013, Sebastian Hesselbarth wrote: > AFAIK, there is Armada 1500 (88de3100) used in every Google TV 2nd Gen > devices, some older multimedia boxes also used Armada 1000 (88de3010), > and Chromecast comprises Armada 1500-mini (88de3005).
According to the chromecast kernel sources (which seem to have all the gtv stuff in them), they changed the CPU core between minor versons of the 88de3100: PJ4 based: - MV88DE3100_BG2_A0 - MV88DE3100_BG2_A1 Cortex-A5 or Cortex-A9 based: - MV88DE3100_BG2_CD - MV88DE3100_BG2_CZ - MV88DE3100_BG3 Those are Kconfig strings, I don't know how those correspond to chip identification registers or labels printed on the SoC package. > We should be able to find out if it is PJ4B or Cortex-A9 by checking > any CPU register? /proc/cpuinfo will tell you what core you have, see http://wiki.casthacks.com/index.php?title=Google_ChromeCast_Specs: CPU implementer : 0x41 # 0x41 == ARM Ltd CPU architecture: 7 # 0x07 == ARMv7 CPU variant : 0x3 # 0x03 == Core revision r3 CPU part : 0xc09 # 0xc0? == Cortex-A?, 0xc09 == A9 CPU revision : 0 # 0x00 == minor revision r3p0 On http://forum.gtvhacker.com/star-vap430-f40/topic972.html, I found this for a PJ4 based 88de3100: CPU implementer : 0x56 CPU architecture: 7 CPU variant : 0x2 CPU part : 0x584 CPU revision : 1 Comparing those to other bits I found on the web, it actually seems to be a PJ4B rather than the original PJ4. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
