User:Kc

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my sunxi zoo

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distros

git repos and resources

hacks

H3droid

board   vreg    ram     emmc    eth     wifi    usb     u-boot
---
opi2    sy8106a 1.0     -       100     8189etv 4+1
opilite sy8113b 0.5     -       -       8189ftv 2+1
opimin2 sy8106a 1.0     -       100     -       4+1
opi1    sy8113b 0.5     -       100     -       1+1
opipc   sy8106a 1.0     -       100     -       3+1
opipc+  sy8106a 1.0     8       100     8189ftv 3+1
opi+    sy8106a 1.0     8       1000    8189etv 4+1
opi+2   sy8106a 2.0     16      1000    8189etv 4+1
opi+2e  sy8106a 2.0     16      1000    8189ftv 3+1
opi0    sy8113b 0.5     spi     100     xr819   1+1(+2)
opi0+2  sy8113b 0.5     8+spi   -       ap6212  0+1(+2)
---
bpim2+  ?       1.0     8       1000    ap6181  2+1
bpim2+h2+ ?     1.0     8       1000    ap6181  2+1
bpim2+edu ?     0.5     -       1000    -       2+1
---
npim1   sy8113b 0.5/1.0 -       100     -       3+1
npim1+  ?       1.0     8       1000    ap6216  3+1(+1)
npineo  sy8113b 0.5     -       100     -       1+1
npineoair ?     0.5     8       -       ap6212  0+1(+2)
---
pcduino4nano sy8113b 1.0        100     -       3+1

possible use cases for 3D (mali)

  • chromium?
  • kodi
  • glshim (opengl to gles converter)
  • 3d accelerated window manager
  • Qt5
  • android

systemd is evil (and written by idiots)

arm cores explained (by apritzel)

  • Cortex-A8: first ARMv7 implementation from ARM Ltd., single core only, no LPAE or virt extension (read: limited to 4GB phys mem and no KVM/Xen)
  • Cortex-A7: power efficient, in-order, up to four cores, LPAE + virt extension
  • Cortex-A15: performance optimized, out of order, LPAE + virt extension, can be paired with A7 in big.LITTLE systems
  • Cortex-A12/A17: more power _efficient_ than A15, more powerful than A7, LPAE + virt
  • A53: in order, power saving core, AArch64 + AArch32 (can run 32-bit OSes and programs)
  • A57: OoO, performance cores, A64 + A32
  • A72: improved A57 (FPU is better)
  • A73 is power _efficient_ 64-bit core, so similar idea like the A12/A17, but 64-bit
  • A35: more power saving than A53, but possibly less performant
  • A32: ARMv8, but no 64-bit

more info: https://www.arm.com/products/processors/cortex-a

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