Hello Simos, It would be great if you share AXP81x/8 datasheet.
Regards, Vishnu On Wed, Jun 17, 2015 at 4:03 PM, Chen-Yu Tsai <[email protected]> wrote: > On Wed, Jun 17, 2015 at 3:44 PM, Simos Xenitellis > <[email protected]> wrote: > > On Mon, Jun 15, 2015 at 10:56 AM, Chen-Yu Tsai <[email protected]> wrote: > >> On Sat, Jun 13, 2015 at 5:05 PM, 'Simos Xenitellis' via linux-sunxi > >> <[email protected]> wrote: > >>> Hi All! > >>> > >>> Recently, several people received developer boards with the A83T SoC. > >>> > >>> I have collected information from a few sources and put them on > >>> https://linux-sunxi.org/User:Simos/H8HomletProtoV20_A83T > >>> > >>> The page includes a comparison of modules of the A83T with other > A-line SoCs. > >>> There are high-resolution images of the board. > >>> In addition, the page has boot messages and also output of commands > >>> from the pre-installed BR Linux (kernel version: 3.4). > >> > >> Some facts about the board: > >> > >> Boot0 is V4.0.0. > >> DRAM is 1GB DDR3 @ 672 MHz. > >> eMMC is 8GB (7.32 GiB). > >> AXP818 is a PMIC & audio codec combo. > >> AC200 is a audio codec (unused here), TV encoder, ethernet PHY and RTC > >> 4-in-1 chip. > >> USB0 (OTG) and USB1 (EHCI/OHCI) are routed directly to the 2 USB ports. > >> That means no actual OTG, only host mode. > >> > >> The board (and schematics) say this is an H8. > >> However I won't be removing the heatsink to verify. > >> I don't recommend it either. It is quite warm just idling. > >> That said, the A83T has the same packing as the H8 (BGA 345), > >> though I have not compared the actual pin signals. > >> > >> Kevin, Shuge, do you know if the 2 chips are actually the same? > >> 請問 A83T 和 H8 是一樣的晶片嗎? 提供給我們的板子上是印 H8， > >> 但告知我們是 A83T 的原型機，讓人不是很有把握。 > >> > >> The board runs a customized Android system. > >> > > > > My impression is that it's just Buildroot (on /dev/mmcblk0p7), > > https://linux-sunxi.org/User:Simos/H8HomletProtoV20_A83T > > I've not really played around with it. The filesystem looks more Android > than Linux, but signature Android buttons are missing. > > > Did you manage to boot some other partition (like the big > /dev/mmcblk0p1)? > > > > The partition /dev/mmcblk0p2 (FAT16) can be mounted, but only has > > images (as in BMP) and .FNT files > > and no other important files. > > The layout is the same as other Allwinner stock ROMs. There is only one > system. > > >> Not sure if FEL mode or Android fastboot would work on this board. > >> If not, it's going to be hard to mainline without U-boot support. > >> > > > > You can get into FEL mode if you keep pressing "2" while in the serial > > console and then restart the board. > > Perhaps I am missing something? > > Getting into FEL mode is not the issue. Whether it will work with a host > mode only OTG port is. I do not have a type A USB cable to test this. > > ChenYu > > >> UART0 is the 5 pin-out next to the WiFi module and AXP818. > >> It shares the same pinout as the micro-SD breakout, or the > >> A80 Optimus. Note that the onboard OS muxes UART0 onto mmc0 > >> instead. :| > >> > >> ChenYu > >> > >>> I'ld like to start a thread about the planning of the mainlining of > the A83T. > >>> > >>> If there are any other topics not directly related to this thread, > >>> please start a new thread. > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
