PocketBook Basic Lux 4 (PB618)
| PocketBook Basic Lux 4 (PB618) | |
|---|---|
 | |
| Manufacturer | PocketBook |
| Dimensions | width161.3 x breadth108 x height8 |
| Release Date | 2023 |
| Website | Device Product Page |
| Specifications | |
| SoC | B288 @ 1Ghz |
| DRAM | 512MiB DDR3L @ 1866MHz |
| NAND | 8GB KLM8G1GETF-B041 |
| Power | 1300mAh battery |
| Features | |
| LCD | 758x1024 (X" X:Y) |
| Touchscreen | 2-finger self-capacitive (FocalTech FT6336U) |
| Video | proprietary eInk display / ED060XCH |
| Audio | none |
| Network | WiFi 802.11 b/g/n (Manufacturer device) |
| Storage | nand/eMMC KLM8G1GETF-B041, µSD(external) |
| USB | X USB2.0 Host, 1 USB2.0 OTG |
| Camera | none |
| Other | eInk "backlight", AXP227 |
| Headers | UART, TWI |
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Identification
On the back of the device, the following is printed:
Model No.: PB618
The PCB has the following silkscreened on it:
XRZ_E159-PB618 main V1.0 20230115
Sunxi support
Current status
Currently no support
Images
Optional. Add MANUFACTURER DEVICE specific sunxi ROM images here. E.g. a livesuit image or some other linux image which uses linux-sunxi code. Do not put non-sunxi images here, they should live under See also. If no sunxi based images are available, this section can be removed.
HW-Pack
Optional. Add MANUFACTURER DEVICE sunxi HW-pack specifics here. When empty, this section can be removed.
BSP
Optional. Add MANUFACTURER DEVICE sunxi BSP specifics here. When empty, this section can be removed.
Manual build
You can build things for yourself by following our Manual build howto and by choosing from the configurations available below.
U-Boot
Sunxi/Legacy U-Boot
Legacy B288 U-Boot uploaded by PocketBook: https://github.com/pocketbook/uboot_b288
Use the MANUFACTURER_DEVICE build target.
Mainline U-Boot
Use the MANUFACTURER_DEVICE build target.
Linux Kernel
Sunxi/Legacy Kernel
Legacy B288 3.10.65 kernel uploaded by PocketBook: https://github.com/pocketbook/kernel-b288
Use the MANUFACTURER_DEVICE.fex file.
Mainline kernel
Use the FAMILY-CHIP-DEVICE.dtb device-tree binary.
Tips, Tricks, Caveats
Add MANUFACTURER DEVICE specific tips, tricks, Caveats and nice to have changes here.
FEL mode
Steps to enter FEL mode:
- Connect device to pc by USB
- Power off device
- Press and hold central and left button, do not release
- Press power on button once to power on, and then 3 more times to enter FEL mode
- You can release central and left button now, your device should be now in FEL mode
Here is what UART outputs during this:
[ 0.270]HELLO ;) BOOT0 is starting! [ 0.280]AXP22 Voff=3.3V [ 0.283]fel flag = 0x00000000 [ 0.292]DRAM: 512 [ 0.311]MMC3 v5.1 HSDDR52/DDR50 8 bit 7456 MB [ 0.361]Entry_name = u-boot [ 0.369]Entry_name = soc-cfg [ 0.373]Entry_name = dtb [ 0.377]Jump to u-boot U-Boot 2014.07-hg78e7bb6939f0 (Aug 08 2023 - 15:56:03) Allwinner Technology , Build: 78e7bb6939f0 normal mode i2c_init: by cpux [ 0.397]pmbus: ready [ 0.412]PMU: AXP221 [ 0.412]PMU: AXP22X found [ 0.413]PMU: dcdc2 1260 [ 0.415]IC Version: 1(0:A 1:B 2:other) [ 0.418]PMU: pll1 1008 Mhz,PLL6=600 Mhz AXI=336 Mhz,AHB=100 Mhz, APB1=50 Mhz dcdc1_vol = 3000, onoff=1 dcdc2_vol = 1260, onoff=1 dcdc3_vol = 1800, onoff=0 dcdc4_vol = 1100, onoff=1 dcdc5_vol = 1350, onoff=1 aldo1_vol = 3000, onoff=0 aldo2_vol = 1800, onoff=1 aldo3_vol = 3000, onoff=1 dldo1_vol = 1800, onoff=1 dldo2_vol = 3300, onoff=0 dc1sw_vol = 3300, onoff=0 dc5ldo_vol = 1100, onoff=0 DRAM: 512 MiB fdt addr: 0x56ddc0f8 gd->fdt_size: 0x11ec0 Relocation Offset is: 15f3b000 gic: normal mode [ 0.534]MMC: 3 [mmc]: mmc driver ver 2016-08-01 13:45:00 [mmc]: get sdc_ex_dly_used 2, use auto tuning sdly [mmc]: card3 io is 1.8V. [mmc]: get sdc3 sdc_tm4_hs200_max_freq 100. [mmc]: get sdc3 sdc_tm4_hs400_max_freq 100. SUNXI SD/MMC: 3 [mmc]: 50 MHz... [mmc]: sample: 52 - 192(ps) [mmc]: ds: 50 - 200(ps) [mmc]: 100 MHz... [mmc]: sample: 26 - 192(ps) [mmc]: ds: 25 - 200(ps) [mmc]: media type 0x8000000 [mmc]: host caps: 0x1ef [mmc]: MMC3: v5.1 HSSDR52/SDR25 50MHz 8 bit 7456 MB [mmc]: already at HSSDR52_SDR25 mode [mmc]: EOL Info(Rev blks): Normal [mmc]: Wear out(type A): 0%-10% life time used [mmc]: Wear out(type B): 0%-10% life time used [ 0.613]sunxi flash init ok Using default environment bootcmd set setargs_mmc vbus pc exist, limit to pc Bus:2 VBat:4232 Ratio:100 Disable PF0-PF5 SW fel: 1 VBUS req: 0 KEYCOUNTER:1 KEYCOUNTER:2 Entering FEL set next system status sunxi_board_close_source [mmc]: MMC Device 2 not found [mmc]: mmc 2 not find, so not exit [mmc]: mmc exit start [mmc]: 50 MHz... [mmc]: sample: 51 - 196(ps) [mmc]: ds: 51 - 196(ps) [mmc]: 100 MHz... [mmc]: sample: 26 - 192(ps) [mmc]: ds: 25 - 200(ps) [mmc]: mmc 3 exit ok reset cpu [ 0.270]HELLO ;) BOOT0 is starting! [ 0.280]AXP22 Voff=3.3V [ 0.282]fel flag = 0x5aa5a55a [ 0.286]eraly jump fel
DRAM is not initialized that way, to initialize it you need to do this:
1.Set FEL flag:
sunxi-fel writel 0x1C20508 0x5AA5A55A
2.Reset board:
sunxi-fel wdreset
3.Load extracted boot0:
sunxi-fel spl /path/to/boot0
For some reason. FEL commands will give you errors but you should wait some time, how much is unknown but around 5 minutes is okay. Now you should be in FEL with initialized DRAM.
Unfortunately if we do:
sunxi-fel read 0x43000000 0x20000 script.bin
sunxi-fel read 0x42400000 0x82d0 boot1.header
script.bin and boot1.header will be random garbage. Maybe there are no such things in DRAM or they are in different places. I think there is no boot1 on B288, after boot0 stock u-boot is started.
We can load and execute mainline U-Boot(with many errors):
sunxi-fel write 0x4a000000 /path/to/u-boot/u-boot-dtb.bin exec 0x4a000000
I compiled it with orangepi_plus_defconfig, but with CONFIG_DRAM_ZQ=3881977 added
Device specific topic
If there are no further device specific topics to add, remove these sections.
...
Adding a serial port (voids warranty)
Follow UART howto, there are 3 pads shown in the photo, solder wires to them. UART is 3.3V and 115200 8N1(default for many programs, such as minicom.)
Device disassembly
See Plastic tool howto. Back panel can be removed using plastic tool, it pops out. Power connector needs to be lifted up(be careful, I am not sure because I had to apply a lot of force), other connectors can be disconnecting by gently lifting the thing that fixes in place the ribbon cable, and then ribbon cable can be disconnected from motherboard easily since nothing holds them. Motherboard can be removed by unscrewing 4 screws holding it then sliding slightly in the direction to SD card hole(I refer to it as downwards) because there are some metal things that hold it on top, then carefully remove ribbon cables through holes to not tear them apart. Screen removing is untested.
Pictures
Take some pictures of your device, upload them, and add them here. DO NOT UPLOAD PICTURES WHICH YOU PLUCKED OFF THE INTERNET.
Schematic
List schematics, board layout, cad files, etc here.
Also known as
List rebadged devices here.
See also
KLM8G1GETF-B041 eMMC datasheet
Manufacturer images
Optional. Add non-sunxi images in this section.