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Based on the Allwinner A64 user manual and on the previous sunxi pinctrl drivers this introduces the pin multiplex assignments for the ARMv8 Allwinner A64 SoC. Port A is apparently used for the fixed function DRAM controller, so the ports start at B here (the manual mentions 'n from 1 to 7', so not starting at 0). It's same as the A80 and A33 SPI: It's same as the A31 and A20 TWI: It's same as the A31 and A20 NAND: It's more likely as the A80 and A33, but the clk/dma/pin are different SD/eMMC: It's same as the A31 and A20 USB2.0 OTG: It's same as the A31 and A20 USB HCI: It's same as the A31 and A20 USB HSIC: It's same as the A80 GMAC. It uses the AllWinner A10 SoC, popular on cheap tablets, phones and media PCs. This SoC is used by developers of the lima driver, an open-source driver for the ARM Mali GPU. At the 2013 FOSDEM demo it ran ioquake 3 at 47 fps in 1024×600. The Cubieboard team managed to run an Apache Hadoop computer cluster using the Lubuntu Linux distribution.
Allwinner A83TDevBoard | |
---|---|
Manufacturer | Allwinner |
Dimensions | 128mm x 67mm |
Release Date | May 2015 |
Website | N/A |
Specifications | |
SoC | A83T @ XGhz |
DRAM | 1GiB DDR3 @ 672MHz (Samsung K4B4G-1646D-BCK0 * 2) |
NAND | 8GB eMMC (FORESEE NCFSESA8-08G) |
Power | DC 5V @ 2A |
Features | |
Video | HDMI Type A, CVBS |
Audio | HDMI, RCA |
Network | WiFi 802.11 b/g/n (Realtek RTL8189ETV), 10/100Mbps Ethernet (X-Powers AC200) |
Storage | µSD |
USB | 1 USB2.0 OTG (host mode), 1 USB2.0 EHCI/OHCI |
This page needs to be properly filled according to the New Device Howto and the New Device Page guide.
This is a limited edition product verification board that is used here for the purpose of mainline support of the A83T SoC.
Allwinner A13 Firmware
|
On the front of the board, the following is printed:
The PCB has the following silkscreened on it:
Glass masquerade 2: illusions crack. These markings do not have specific significance to the A83T since this is a product verification board.
Current status
There is ongoing discussion at https://groups.google.com/forum/#!topic/linux-sunxi/_woM2vJmcuc regarding the mainline support of the SoC in this board.
Images
HW-Pack
BSP
The repository at https://github.com/allwinner-zh/bootloader contains
- BSP for the A83T, https://github.com/allwinner-zh/bootloader/tree/master/basic_loader/bsp/bsp_for_a83
Manual build
- For building U-Boot, use the MANUFACTURER_DEVICE target.
- The .fex file can be found in sunxi-boards as MANUFACTURER_DEVICE.fex
Everything else is the same as the manual build howto.
Mainline U-Boot
For building mainline U-Boot, use the 'h8_homlet_v2_defconfig' target.
The reference source code from Allwinner is at https://github.com/allwinner-zh/bootloader contains
- Boot 0 source code for the A83T, https://github.com/allwinner-zh/bootloader/tree/master/basic_loader/boot0
- U-boot 2011.09 for the A83T, https://github.com/allwinner-zh/bootloader/tree/master/u-boot-2011.09
Mainline kernel
Basic support is available in mainline kernel for A83T.
Use sun8i-a83t-allwinner-h8homlet-v2.dtb device-tree tree binary.
There is a 3.4 source tree for the A83T at https://github.com/allwinner-zh/linux-3.4-sunxi/tree/A83T
The following table is a comparison of the A83T SoC to other SoCs from the A-series.
Module | Description |
---|---|
CPU | Cortex-A7 MP4 in 2 clusters, the MCPM is more likely as the A80 |
CCI400 | It's same as the A80 |
DRAMM | It's more likely as the A80 |
Timer | It's same as the A31 and A20 |
CCU | It's more likely as the A80 |
DMA | It's same as the A31 |
PinCtrl | It's same as the A31 |
UART | It's same as the A31 and A20 |
RSB | It's same as the A80 and A33 |
SPI | It's same as the A31 and A20 |
TWI | It's same as the A31 and A20 |
NAND | It's more likely as the A80 and A33, but the clk/dma/pin are different |
SD/eMMC | It's same as the A31 and A20 |
USB2.0 OTG | It's same as the A31 and A20 |
USB HCI | It's same as the A31 and A20 |
USB HSIC | It's same as the A80 |
GMAC | It's a new IP, is more different of the platform before |
Security Engine | It's same as the A80 |
Display Engine | It's a new IP, is more different of the platforms before |
Source: [email protected]
The following image shows the description of the modules on the board.
Description of modules on the board
Allwinner Firmware
FEL mode
To enter into FEL mode,
- connect the serial console
- keep pressing the 2 key in the serial console and at the same time switch on the board
The UART is located at the bottom-right of the board. The above image shows the location of GND, TX and RX. See more at the UART howto.
This page needs to be properly filled according to the New Device Howto and the New Device Page guide.
This is a limited edition product verification board that is used here for the purpose of mainline support of the A83T SoC.
Allwinner A13 Firmware
|
On the front of the board, the following is printed:
The PCB has the following silkscreened on it:
Glass masquerade 2: illusions crack. These markings do not have specific significance to the A83T since this is a product verification board.
Current status
There is ongoing discussion at https://groups.google.com/forum/#!topic/linux-sunxi/_woM2vJmcuc regarding the mainline support of the SoC in this board.
Images
HW-Pack
BSP
The repository at https://github.com/allwinner-zh/bootloader contains
- BSP for the A83T, https://github.com/allwinner-zh/bootloader/tree/master/basic_loader/bsp/bsp_for_a83
Manual build
- For building U-Boot, use the MANUFACTURER_DEVICE target.
- The .fex file can be found in sunxi-boards as MANUFACTURER_DEVICE.fex
Everything else is the same as the manual build howto.
Mainline U-Boot
For building mainline U-Boot, use the 'h8_homlet_v2_defconfig' target.
The reference source code from Allwinner is at https://github.com/allwinner-zh/bootloader contains
- Boot 0 source code for the A83T, https://github.com/allwinner-zh/bootloader/tree/master/basic_loader/boot0
- U-boot 2011.09 for the A83T, https://github.com/allwinner-zh/bootloader/tree/master/u-boot-2011.09
Mainline kernel
Basic support is available in mainline kernel for A83T.
Use sun8i-a83t-allwinner-h8homlet-v2.dtb device-tree tree binary.
There is a 3.4 source tree for the A83T at https://github.com/allwinner-zh/linux-3.4-sunxi/tree/A83T
The following table is a comparison of the A83T SoC to other SoCs from the A-series.
Module | Description |
---|---|
CPU | Cortex-A7 MP4 in 2 clusters, the MCPM is more likely as the A80 |
CCI400 | It's same as the A80 |
DRAMM | It's more likely as the A80 |
Timer | It's same as the A31 and A20 |
CCU | It's more likely as the A80 |
DMA | It's same as the A31 |
PinCtrl | It's same as the A31 |
UART | It's same as the A31 and A20 |
RSB | It's same as the A80 and A33 |
SPI | It's same as the A31 and A20 |
TWI | It's same as the A31 and A20 |
NAND | It's more likely as the A80 and A33, but the clk/dma/pin are different |
SD/eMMC | It's same as the A31 and A20 |
USB2.0 OTG | It's same as the A31 and A20 |
USB HCI | It's same as the A31 and A20 |
USB HSIC | It's same as the A80 |
GMAC | It's a new IP, is more different of the platform before |
Security Engine | It's same as the A80 |
Display Engine | It's a new IP, is more different of the platforms before |
Source: [email protected]
The following image shows the description of the modules on the board.
Description of modules on the board
Allwinner Firmware
FEL mode
To enter into FEL mode,
- connect the serial console
- keep pressing the 2 key in the serial console and at the same time switch on the board
The UART is located at the bottom-right of the board. The above image shows the location of GND, TX and RX. See more at the UART howto.
Device disassembly
Locating the UART
The UART is located at the bottom-right of the board.
Manufacturer images
- Linux image (81MB, SHA-256 hash: 72fdb9a18c0b9bd81fbdcc6fd486e521def625e20b089ae3a3a2f96ff5d8c99c)
- Android image (333MB, SHA-256 hash: 8239dd7db83cd578c0f0bd3de6dca884fa01333e32c1885e5b5bb1755281ceb3)