1. 27 Nov, 2018 2 commits
  2. 26 Nov, 2018 2 commits
  3. 23 Nov, 2018 3 commits
  4. 22 Nov, 2018 7 commits
  5. 21 Nov, 2018 2 commits
  6. 20 Nov, 2018 5 commits
  7. 19 Nov, 2018 4 commits
  8. 16 Nov, 2018 1 commit
  9. 15 Nov, 2018 10 commits
  10. 14 Nov, 2018 4 commits
    • Andre Przywara's avatar
      allwinner: power: Add DCDC6 power rail · 793c38f0
      Andre Przywara authored
      
      The DCDC6 power rail is typically driving VDD_SYS in the SoC, so it is
      on by default and uses the default voltage.
      
      As there seems to be at least on board using a different voltage, add
      the rail to the list of known voltage lines, so we can setup the right
      voltage as early as possible.
      Signed-off-by: default avatarAndre Przywara <andre.przywara@arm.com>
      793c38f0
    • Andre Przywara's avatar
      allwinner: power: add enable switches for DCDC1/5 · a561e41b
      Andre Przywara authored
      
      The DCDC1 and DCDC5 power rails didn't specify the enable bits. This
      isn't critical, since those rails are on by default (and are needed for
      every board), but it is inconsistent.
      
      Add the respective enable bits for those two rails.
      Signed-off-by: default avatarAndre Przywara <andre.przywara@arm.com>
      a561e41b
    • Andre Przywara's avatar
      allwinner: power: fix DRIVEVBUS pin setup · d93eb446
      Andre Przywara authored
      
      The DRIVEVBUS pin setup was broken in two ways:
      - To configure this pin as an output pin, one has to *clear* the bit in
        register 0x8f. It is 0 by default, but rebooting from Linux might have
        left this bit set.
      - Doing this just configures the pin as an output pin, but doesn't
        actually drive power to it. This is done via bit 2 in register 0x30.
      
      Fix the routine to both properly configure the pin and drive power to
      it. Add an axp_clrsetbits() helper on the way.
      
      Now this isn't really perfect, still:
      We only need to setup the PMIC power rails that are needed for U-Boot.
      DRIVEVBUS typically controls the VBUS voltage for the host function of
      an USB-OTG port, something we typically don't want in U-Boot (fastboot,
      using the USB *device* functionality, is much more common). The
      BananaPi-M64 uses the regulator in this way, but the Remix Mini PC
      actually controls the power of both its USB ports via this line.
      
      Technically we should differentiate here: if DRIVEVBUS controls a
      microUSB-B socket, the power should stay off, any host-type A sockets
      should be supplied, though.
      For now just always enable the power, that shouldn't really hurt the
      USB-OTG functionality anyway.
      Signed-off-by: default avatarAndre Przywara <andre.przywara@arm.com>
      d93eb446
    • Andre Przywara's avatar
      allwinner: A64/H5: setup missing bus clocks · 19a7507a
      Andre Przywara authored
      
      The legacy Allwinner ATF port used to setup some clocks, and U-Boot is
      still relying on this. We don't need to setup the full set, as the SPL
      is doing most of it, but it misses one clock (AHB2) and programs another
      (AHB1) to quite conservative values.
      
      Fix this up during the platform setup to improve USB and Ethernet
      performance, iperf values go up by 31% in my setup with that patch.
      Signed-off-by: default avatarAndre Przywara <andre.przywara@arm.com>
      19a7507a