[U-Boot] U boot 2016 rc2 in a Q8 A13 tablet not recognize keyboard.

2015-12-17 Thread far5893
2016 rc2 version compiled against q8 A13 tablet configuration. SD boot. Usb detect give: failed,-96 error when a keyboard is connected. But recognize mass storage (an empty key memory). IBM Usb Keyboard model SK-8809-2D full working with original android. Silviop

[U-Boot] A33 tablet u-boot not boot (fel +sdbreakout).

2016-10-19 Thread far5893
Hi, I'm trying to boot an A33 tablet , i buy sdcard breakout and enable sd card uart in .config using (UART0 on MicroSD breakout board). I used q8_a33_tablet_1024x600_defconfig as base. I read serial port output from BOOT0 and finally "eraly jump fel" message so i'm sure sdcard breakout wor

[U-Boot] Sdcard boot for a generic allwinner q8 clone A33 tablet not work.

2016-09-09 Thread far5893
Hi, i'm trying to boot a classic A33 q8 clone with uboot copied in sdcard but nothing happen (not backlight on) dd if=u-boot-sunxi-with-spl.bin of=/dev/sdb bs=1024 seek=8 on the partitioned sdcard for reference if i compile with configuration for A13 based tablet on A13 based tablet it wor

Re: [U-Boot] Sdcard boot for a generic allwinner q8 clone A33 tablet not work.

2016-09-12 Thread far5893
Hans de Goede wrote: Hi, On 09-09-16 14:10, far5893 wrote: Hi, i'm trying to boot a classic A33 q8 clone with uboot copied in sdcard but nothing happen (not backlight on) dd if=u-boot-sunxi-with-spl.bin of=/dev/sdb bs=1024 seek=8 on the partitioned sdcard for reference In my experienc

[U-Boot] Someone expert in lvds timings ?

2017-03-02 Thread far5893
I'm trying to generate u-boot timings for http://www.notebook-lcd.ru/pdf/QD17EL07_REV_11.pdf page 11. i try (x:640,y:1024,depth:24,pclk_khz:54000,le:45,ri:200,up:22,lo:22,hs:1,vs:1,sync:3,vmode:0) LCD panel timing details does someone have experience in writing such timings ? The panel is du

[U-Boot] [LVDS dual channel] TCON0_LVDS_IF_REG seem have undocumented bit 30 ?

2017-03-24 Thread far5893
I try to read BSP code for enabling dual channel LVDS (for more than 768 Vertical lines),in BSP code : #define LCDC_LVDS_OFF (0x084) /* LVDS register

[U-Boot] arch/arm/mach-sunxi/dram_sun8i_a33.c and 1Gb detect as 512Mb on A33.

2016-11-27 Thread far5893
I have a tablet with 1Gb of ram (two chips),but not u-boot neither kernel detect it (only 512Mb). Does i need to change something in arch/arm/mach-sunxi/dram_sun8i_a33.c ? i posta alettronica found this struct in sunxi_dram_init(void) function: struct dram_para para = { .cs1 =

[U-Boot] LVDS dual channel support on A10,A20,A31s mods.

2017-08-23 Thread far5893
Hi, i make a little changes to lcdc.h and sunxi_diplay.h to make dual channel LVDS interface working : -lcdc.h #define SUNXI_LCDC_TCON0_LVDS_INTF_CH(n)    ((n) << 30) /* LVDS Dual channel 0=single 1=dual*/ and in -sunxi_diplay.h (line 830). #ifdef CONFIG_VIDEO_LCD_IF_LVDS     if (mode->yres

[U-Boot] Allwinner A33 MIPI DSI Support.

2017-01-11 Thread far5893
I have a new fresh Q8 A33 tablet but different from previous two it have native MIPI DSI interface, there is working in progress to support MIPI DSI interface in u-boot ? lcd_fex [lcd0_para] lcd_used = 1 lcd_driver_name = "tm1280X800" lcd_if = 4 lcd_x = 800 lcd_y = 1280 lcd_width = 120 lcd_he