No display on SabreSD imx6 with u boot configuration

[jbd64]

Hi eveyone,

I'm trying to configure u-boot in order to enable display on my IMX6 SABRE SD.

Screen is a HannStar LVDS : 1024x768 i.e. LDB-XGA, RGB666

I've tried tons of u-boot config, with no success.

I've an SD Card already configured with an Android r13.4, and the screen works well with this boot.

For information, when my Ubuntu has finished starting, I type 'echo 0 > /sys/class/graphics/fbX/blank' and 4 or 5 penguin is displayed (normally displayed when booting) instead of Ubuntu GUI

Here is my u-boot config :

-------------------------------------------------------------------------------

MX6Q SABRESD U-Boot > printenv

bootdelay=3

baudrate=115200

ipaddr=192.168.1.103

serverip=192.168.1.101

netmask=255.255.255.0

loadaddr=0x10800000

rd_loadaddr=(0x1300000)

netdev=eth0

ethprime=FEC0

uboot=u-boot.bin

kernel=uImage

nfsroot=/opt/eldk/arm

bootargs_base=setenv bootargs console=ttymxc0,115200

bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp

bootcmd_net=run bootargs_base bootargs_nfs; tftpboot ${loadaddr} ${kernel}; bootm

bootcmd_mmc=run bootargs_base bootargs_mmc; mmc dev 3; mmc read ${loadaddr} 0x800 0x2000; bootm

ethact=FEC0

bootcmd=run bootcmd_mmc

stdin=serial

stdout=serial

stderr=serial

bootargs_mmc=setenv bootargs ${bootargs} root=/dev/mmcblk0p1 rootwait rw video=mxcfb1:dev=ldb,LDB-XGA,if=RGB666

Environment size: 738/8188 bytes

MX6Q SABRESD U-Boot >

-------------------------------------------------------------------------------

Here is my kernel log boot :

-------------------------------------------------------------------------------

MX6Q SABRESD U-Boot > run bootcmd

mmc3(part 0) is current device

MMC read: dev # 3, block # 2048, count 8192 ... 8192 blocks read: OK

## Booting kernel from Legacy Image at 10800000 ...

   Image Name:   Linux-3.0.35-2310-gc27cb38

   Image Type:   ARM Linux Kernel Image (uncompressed)

   Data Size:    3851244 Bytes =  3.7 MB

   Load Address: 10008000

   Entry Point:  10008000

   Verifying Checksum ... OK

   Loading Kernel Image ... OK

OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.

Linux version 3.0.35-2310-gc27cb38 (r65388@shlinux3) (gcc version 4.6.2 20110630 (prerelease) (Freescale MAD -- Linaro 2011.07 -- Built at 2011/08/10 09:20) ) #1 SMP PREEMPT Tue Dec 18 17:23:15 CST 2012

CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d

CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache

Machine: Freescale i.MX 6Quad/DualLite/Solo Sabre-SD Board

Ignoring unrecognised tag 0x54410008

Memory policy: ECC disabled, Data cache writealloc

CPU identified as i.MX6Q, silicon rev 1.2

PERCPU: Embedded 7 pages/cpu @8c008000 s5440 r8192 d15040 u32768

Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 227328

Kernel command line: console=ttymxc0,115200 root=/dev/mmcblk0p1 rootwait rw video=mxcfb1:dev=ldb,LDB-XGA,if=RGB666

PID hash table entries: 4096 (order: 2, 16384 bytes)

Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)

Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)

Memory: 640MB 256MB = 896MB total

Memory: 896880k/896880k available, 151696k reserved, 0K highmem

Virtual kernel memory layout:

    vector  : 0xffff0000 - 0xffff1000   (   4 kB)

    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)

    DMA     : 0xf4600000 - 0xffe00000   ( 184 MB)

    vmalloc : 0xc0800000 - 0xf2000000   ( 792 MB)

    lowmem  : 0x80000000 - 0xc0000000   (1024 MB)

    pkmap   : 0x7fe00000 - 0x80000000   (   2 MB)

    modules : 0x7f000000 - 0x7fe00000   (  14 MB)

      .init : 0x80008000 - 0x8003b000   ( 204 kB)

      .text : 0x8003b000 - 0x80a886d0   (10550 kB)

      .data : 0x80a8a000 - 0x80ae8a40   ( 379 kB)

       .bss : 0x80ae8a64 - 0x80b368ec   ( 312 kB)

SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

Preemptible hierarchical RCU implementation.

NR_IRQS:496

MXC GPIO hardware

sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 1431655ms

arm_max_freq=2

MXC_Early serial console at MMIO 0x2020000 (options '115200')

bootconsole [ttymxc0] enabled

Console: colour dummy device 80x30

Calibrating delay loop... 1581.05 BogoMIPS (lpj=7905280)

pid_max: default: 32768 minimum: 301

Mount-cache hash table entries: 512

CPU: Testing write buffer coherency: ok

hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available

CPU1: Booted secondary processor

CPU2: Booted secondary processor

CPU3: Booted secondary processor

Brought up 4 CPUs

SMP: Total of 4 processors activated (6324.22 BogoMIPS).

print_constraints: dummy:

NET: Registered protocol family 16

print_constraints: vddpu: 725 <--> 1300 mV at 700 mV fast normal

print_constraints: vddcore: 725 <--> 1300 mV at 1100 mV fast normal

print_constraints: vddsoc: 725 <--> 1300 mV at 1200 mV fast normal

print_constraints: vdd2p5: 2000 <--> 2775 mV at 2400 mV fast normal

print_constraints: vdd1p1: 800 <--> 1400 mV at 1100 mV fast normal

print_constraints: vdd3p0: 2625 <--> 3400 mV at 3000 mV fast normal

hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.

hw-breakpoint: 1 breakpoint(s) reserved for watchpoint single-step.

hw-breakpoint: maximum watchpoint size is 4 bytes.

L310 cache controller enabled

l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x02070000, Cache size: 1048576 B

bio: create slab <bio-0> at 0

mxs-dma mxs-dma-apbh: initialized

print_constraints: SPKVDD: 4200 mV

print_constraints: vmmc: 3300 mV

SCSI subsystem initialized

spi_imx imx6q-ecspi.0: probed

usbcore: registered new interface driver usbfs

usbcore: registered new interface driver hub

usbcore: registered new device driver usb

Freescale USB OTG Driver loaded, $Revision: 1.55 $

mc_pfuze 1-0008: ID: 0,Full lay: 1 ,Metal lay: 1

mc_pfuze 1-0008: FAB: 0 ,FIN: 0

print_constraints: PFUZE100_SW1A: 300 <--> 1875 mV at 1300 mV

print_constraints: PFUZE100_SW1B: 300 <--> 1875 mV at 300 mV

print_constraints: PFUZE100_SW1C: 300 <--> 1875 mV at 1300 mV

print_constraints: PFUZE100_SW2: 800 <--> 3950 mV at 3300 mV

print_constraints: PFUZE100_SW3A: 400 <--> 1975 mV at 1500 mV

print_constraints: PFUZE100_SW3B: 400 <--> 1975 mV at 1500 mV

print_constraints: PFUZE100_SW4: 800 <--> 3950 mV at 3150 mV

print_constraints: PFUZE100_SWBST: 5000 <--> 5150 mV at 5000 mV

print_constraints: PFUZE100_VSNVS: 1200 <--> 3000 mV at 1800 mV

print_constraints: PFUZE100_VREFDDR: at 750 mV

print_constraints: PFUZE100_VGEN1: 800 <--> 1550 mV at 1500 mV

print_constraints: PFUZE100_VGEN2: 800 <--> 1550 mV at 1500 mV

print_constraints: PFUZE100_VGEN3: 1800 <--> 3300 mV at 2800 mV

print_constraints: PFUZE100_VGEN4: 1800 <--> 3300 mV at 1800 mV

print_constraints: PFUZE100_VGEN5: 1800 <--> 3300 mV at 3000 mV

print_constraints: PFUZE100_VGEN6: 1800 <--> 3300 mV at 3300 mV

imx-ipuv3 imx-ipuv3.0: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)

imx-ipuv3 imx-ipuv3.1: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)

mxc_mipi_csi2 mxc_mipi_csi2: i.MX MIPI CSI2 driver probed

mxc_mipi_csi2 mxc_mipi_csi2: i.MX MIPI CSI2 dphy version is 0x3130302a

MIPI CSI2 driver module loaded

Advanced Linux Sound Architecture Driver Version 1.0.24.

Bluetooth: Core ver 2.16

NET: Registered protocol family 31

Bluetooth: HCI device and connection manager initialized

Bluetooth: HCI socket layer initialized

Bluetooth: L2CAP socket layer initialized

Bluetooth: SCO socket layer initialized

cfg80211: Calling CRDA to update world regulatory domain

max17135 2-0048: PMIC MAX17135 for eInk display

i2c-core: driver [max17135] using legacy suspend method

i2c-core: driver [max17135] using legacy resume method

Switching to clocksource mxc_timer1

NET: Registered protocol family 2

IP route cache hash table entries: 32768 (order: 5, 131072 bytes)

TCP established hash table entries: 131072 (order: 8, 1048576 bytes)

TCP bind hash table entries: 65536 (order: 7, 786432 bytes)

TCP: Hash tables configured (established 131072 bind 65536)

TCP reno registered

UDP hash table entries: 512 (order: 2, 16384 bytes)

UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)

NET: Registered protocol family 1

RPC: Registered named UNIX socket transport module.

RPC: Registered udp transport module.

RPC: Registered tcp transport module.

RPC: Registered tcp NFSv4.1 backchannel transport module.

PMU: registered new PMU device of type 0

Static Power Management for Freescale i.MX6

wait mode is enabled for i.MX6

cpaddr = c0880000 suspend_iram_base=c091c000

PM driver module loaded

IMX usb wakeup probe

add wake up source irq 75

IMX usb wakeup probe

cpu regulator init ldo=1

_regulator_get: get() with no identifier

mx6_cpu_regulator_init: failed to get pu regulator

i.MXC CPU frequency driver

JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.

msgmni has been set to 1751

alg: No test for stdrng (krng)

io scheduler noop registered

io scheduler deadline registered

io scheduler cfq registered (default)

mxc_mipi_dsi mxc_mipi_dsi: i.MX MIPI DSI driver probed

MIPI DSI driver module loaded

mxc_sdc_fb mxc_sdc_fb.0: register mxc display driver ldb

_regulator_get: get() with no identifier

imx-ipuv3 imx-ipuv3.1: IPU DMFC DP HIGH RESOLUTION: 1(0,1), 5B(2~5), 5F(6,7)

Console: switching to colour frame buffer device 128x48

mxc_sdc_fb mxc_sdc_fb.1: register mxc display driver ldb

mxc_sdc_fb mxc_sdc_fb.2: register mxc display driver lcd

mxc_sdc_fb mxc_sdc_fb.3: register mxc display driver ldb

mxc_sdc_fb mxc_sdc_fb.3: ipu1-di1 already in use

mxc_sdc_fb: probe of mxc_sdc_fb.3 failed with error -16

imx-sdma imx-sdma: loaded firmware 1.1

imx-sdma imx-sdma: initialized

Serial: IMX driver

imx-uart.2: ttymxc2 at MMIO 0x21ec000 (irq = 60) is a IMX

imx-uart.0: ttymxc0 at MMIO 0x2020000 (irq = 58) is a IMX

console [ttymxc0] enabled, bootconsole disabled

console [ttymxc0] enabled, bootconsole disabled

loop: module loaded

Can't recover from RESET HBA!

No sata disk.

m25p80 spi0.0: found m25p32, expected sst25vf016b

m25p80 spi0.0: m25p32 (4096 Kbytes)

Creating 2 MTD partitions on "m25p80":

0x000000000000-0x000000100000 : "bootloader"

0x000000100000-0x000000400000 : "kernel"

GPMI NAND driver registered. (IMX)

vcan: Virtual CAN interface driver

CAN device driver interface

flexcan netdevice driver

FEC Ethernet Driver

fec_enet_mii_bus: probed

ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller

fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1

fsl-ehci fsl-ehci.0: irq 75, io base 0x02184000

fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 1 port detected

add wake up source irq 72

fsl-ehci fsl-ehci.1: Freescale On-Chip EHCI Host Controller

fsl-ehci fsl-ehci.1: new USB bus registered, assigned bus number 2

fsl-ehci fsl-ehci.1: irq 72, io base 0x02184200

fsl-ehci fsl-ehci.1: USB 2.0 started, EHCI 1.00

hub 2-0:1.0: USB hub found

hub 2-0:1.0: 1 port detected

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

ARC USBOTG Device Controller driver (1 August 2005)

mousedev: PS/2 mouse device common for all mice

input: gpio-keys as /devices/platform/gpio-keys/input/input0

input: max11801_ts as /devices/platform/imx-i2c.1/i2c-1/1-0048/input/input1

egalax_ts 1-0004: egalax_ts: failed to read firmware version

egalax_ts: probe of 1-0004 failed with error -5

input: eGalax Touch Screen as /devices/platform/imx-i2c.2/i2c-2/2-0004/input/input2

elan - Read Hello Packet Failed

elan-touch: probe of 2-0010 failed with error -22

input: isl29023 light sensor as /devices/virtual/input/input3

isl29023 2-0044: driver version 1.0 enabled

i2c-core: driver [isl29023] using legacy suspend method

i2c-core: driver [isl29023] using legacy resume method

snvs_rtc snvs_rtc.0: rtc core: registered snvs_rtc as rtc0

i2c /dev entries driver

Linux video capture interface: v2.00

mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video16

mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video17

mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video18

mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video19

mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video20

mag3110 2-000e: check mag3110 chip ID

input: mag3110 as /devices/virtual/input/input4

mag3110 2-000e: mag3110 is probed

i2c-core: driver [mag3110] using legacy suspend method

i2c-core: driver [mag3110] using legacy resume method

input: mma845x as /devices/virtual/input/input5

imx2-wdt imx2-wdt.0: IMX2+ Watchdog Timer enabled. timeout=60s (nowayout=1)

Bluetooth: Virtual HCI driver ver 1.3

Bluetooth: HCI UART driver ver 2.2

Bluetooth: HCIATH3K protocol initialized

Bluetooth: Generic Bluetooth USB driver ver 0.6

usbcore: registered new interface driver btusb

sdhci: Secure Digital Host Controller Interface driver

sdhci: Copyright(c) Pierre Ossman

mmc0: SDHCI controller on platform [sdhci-esdhc-imx.3] using DMA

mmc1: SDHCI controller on platform [sdhci-esdhc-imx.1] using DMA

mmc2: SDHCI controller on platform [sdhci-esdhc-imx.2] using DMA

mxc_vdoa mxc_vdoa: i.MX Video Data Order Adapter(VDOA) driver probed

VPU initialized

mxc_asrc registered

Thermal calibration data is 0x56f4b67d

Anatop Thermal registered as thermal_zone0

anatop_thermal_probe: default cooling device is cpufreq!

usbcore: registered new interface driver usbhid

usbhid: USB HID core driver

usbcore: registered new interface driver snd-usb-audio

mxc_hdmi_soc mxc_hdmi_soc.0: MXC HDMI Audio

Cirrus Logic CS42888 ALSA SoC Codec Driver

i2c-core: driver [cs42888] using legacy suspend method

i2c-core: driver [cs42888] using legacy resume method

imx-hdmi-soc-dai: probe of imx-hdmi-soc-dai.0 failed with error -12

mmc0: new high speed DDR MMC card at address 0001

mmcblk0: mmc0:0001 SEM08G 7.39 GiB

mmcblk0boot0: mmc0:0001 SEM08G partition 1 2.00 MiB

mmcblk0boot1: mmc0:0001 SEM08G partition 2 2.00 MiB

mmcblk0: p1

mmcblk0boot1: unknown partition table

mmcblk0boot0: unknown partition table

wm8962 0-001a: customer id 0 revision D

input: WM8962 Beep Generator as /devices/platform/imx-i2c.0/i2c-0/0-001a/input/input6

asoc: wm8962 <-> imx-ssi.1 mapping ok

imx_3stack asoc driver

ALSA device list:

  #0: wm8962-audio

NET: Registered protocol family 26

TCP cubic registered

NET: Registered protocol family 17

can: controller area network core (rev 20090105 abi 8)

NET: Registered protocol family 29

can: raw protocol (rev 20090105)

can: broadcast manager protocol (rev 20090105 t)

Bluetooth: RFCOMM TTY layer initialized

Bluetooth: RFCOMM socket layer initialized

Bluetooth: RFCOMM ver 1.11

Bluetooth: BNEP (Ethernet Emulation) ver 1.3

Bluetooth: BNEP filters: protocol multicast

Bluetooth: HIDP (Human Interface Emulation) ver 1.2

lib80211: common routines for IEEE802.11 drivers

VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4

Bus freq driver module loaded

Bus freq driver Enabled

mxc_dvfs_core_probe

DVFS driver module loaded

regulator_init_complete: PFUZE100_VGEN6: incomplete constraints, leaving on

regulator_init_complete: PFUZE100_VGEN3: incomplete constraints, leaving on

regulator_init_complete: PFUZE100_VGEN2: incomplete constraints, leaving on

regulator_init_complete: PFUZE100_VGEN1: incomplete constraints, leaving on

snvs_rtc snvs_rtc.0: setting system clock to 1970-01-01 00:36:53 UTC (2213)

EXT3-fs: barriers not enabled

kjournald starting.  Commit interval 5 seconds

EXT3-fs (mmcblk0p1): using internal journal

EXT3-fs (mmcblk0p1): 8 orphan inodes deleted

EXT3-fs (mmcblk0p1): recovery complete

EXT3-fs (mmcblk0p1): mounted filesystem with writeback data mode

VFS: Mounted root (ext3 filesystem) on device 179:1.

Freeing init memory: 204K

* Starting network connection manager                                   [ OK ]

* Starting configure network device security                            [ OK ]

* Starting mDNS/DNS-SD daemon                                           [ OK ]

* Starting configure network device                                     [ OK ]

* Starting load fallback graphics devices                               [ OK ]

* Starting Userspace bootsplash                                         [ OK ]

* Stopping load fallback graphics devices                               [ OK ]

* Starting Advanced Power Management daemon...                          [ OK ]

Last login: Thu Jan  1 00:31:40 UTC 1970 on tty1

speech-dispatcher disabled; edit /etc/default/speech-dispatcher

Checking for running unattended-upgrades:

Welcome to Linaro 11.10 (development branch) (GNU/Linux 3.0.35-2310-gc27cb38 armv7l)

* Documentation:  https://wiki.linaro.org/

New release '12.04 LTS' available.

Run 'do-release-upgrade' to upgrade to it.

* Starting bluetooth                                                           root@linaro-ubuntu-desktop:~#                                                      [ OK ]

* PulseAudio configured for per-user sessions

saned disabled; edit /etc/default/saned

1 Jan 00:37:14 ntpdate[5639]: no servers can be used, exiting

root@linaro-ubuntu-desktop:~#

-------------------------------------------------------------------------------

I'm working on it since 3 days now -_- with no solution found.

Thanks for you help.

[LeonardoSandova]

naive question: are you connecting the LVDS into LVDS0 (the one between the MIC connector and the USB OTG)? LVDS0 is the default for linux.

Leo

[jbd64]

I don't know, i'll check this tomorrow.

Any other idea ?

My mentor found the solution 3 month ago but he forgot the solution.

So it can works.

[jbd64]

No, LVDS screen is connected into LVDS1.

(I already tested video=mxcfb1:dev=ldb... video=mxcfb0:off ...)

[LeonardoSandova · Accepted solution]

Are you booting Linux, right? if that is the case, then the touch screen should be on LVDS0.

Leo

[jbd64]

Yes i'm booting Linux.

LVDS1 is written on the board, close to the port where the screen is plugged.

This is the original configuration, i've made no modification.

[varsmolta]

try adding the following to your bootargs:

fbmem=10M vmalloc=400M no_console_suspend

[jbd64]

Thanks, but Leonardo already found the solution.

As he said, LVDS0 is the default port for Linux and screen was plugged on LVDS1.

Hence, when I plug on LVDS0 it works.

If someone wants to play with LVDS1, you have to add this option to the kernel command line : ldb=dul0

[varsmolta]

Try this in your u-boot config:

video=mxcfb0:dev=ldb,LDB-XGA,if=RGB666 video=mxcfb1:off

[jbd64]

Thanks for your reply.

I tried it already, with no success.