[U-Boot] LCD Support on mx51 vision2

Anatolij,

On Tue, May 8, 2012 at 4:35 PM, Fabio Estevam <festevam@gmail.com> wrote:

> Thanks for your suggestion. Increasing  CONFIG_SYS_MALLOC_LEN does not
> fix the issue.

Below is my patch and some more debug information.

As you can see mode->xres is getting a weird value instead of '800'
that I pass in the fb_videomode struct.

Hi Fabio,

On Tue, 8 May 2012 18:24:38 -0300
Fabio Estevam <festevam@gmail.com> wrote:

> Anatolij,
> 
> On Tue, May 8, 2012 at 4:35 PM, Fabio Estevam <festevam@gmail.com> wrote:
> 
> > Thanks for your suggestion. Increasing  CONFIG_SYS_MALLOC_LEN does not
> > fix the issue.
> 
> Below is my patch and some more debug information.
> 
> As you can see mode->xres is getting a weird value instead of '800'
> that I pass in the fb_videomode struct.

Thanks for the info. I think you additionally need to call lcd_enable()
in your board_init(). The mode struct will be initialized then. From
your patch I do not see that you call lcd_enable().

Thanks,
Anatolij

Hi Anatolij,

On Tue, May 8, 2012 at 7:40 PM, Anatolij Gustschin <agust@denx.de> wrote:

> Thanks for the info. I think you additionally need to call lcd_enable()
> in your board_init(). The mode struct will be initialized then. From
> your patch I do not see that you call lcd_enable().

You are clearly right! Now I see the console output on my LCD :-)

Will submit the patch soon.

Now I will try to load some splashscreen.

Thanks a lot for your help,

Fabio Estevam

Hi Anatolij,

On Tue, May 8, 2012 at 7:59 PM, Fabio Estevam <festevam@gmail.com> wrote:

> You are clearly right! Now I see the console output on my LCD :-)
>
> Will submit the patch soon.

I am using the following LCD configuration on my board file (same as vision2.h):

#define CONFIG_PREBOOT
#define CONFIG_VIDEO
#define CONFIG_VIDEO_MX5
#define CONFIG_CFB_CONSOLE
#define CONFIG_VGA_AS_SINGLE_DEVICE
#define CONFIG_VIDEO_BMP_RLE8
#define CONFIG_SPLASH_SCREEN
#define CONFIG_CMD_BMP
#define CONFIG_BMP_16BPP
#define CONFIG_VIDEO_LOGO

,and this directs the console to the LCD as expected.

I would like to keep only the video logo on screen and keep the
console into the serial port.

Is this possible?

If I remove "#define CONFIG_CFB_CONSOLE" the build fails (This can be
reproduced with vision2 config).

If I keep "#define CONFIG_CFB_CONSOLE" and pass "set console serial"
the console output still goes to the LCD.

Any suggestions?

Thanks,

Fabio Estevam

On 09/05/2012 17:59, Fabio Estevam wrote:
> Hi Anatolij,
> 
> On Tue, May 8, 2012 at 7:59 PM, Fabio Estevam <festevam@gmail.com> wrote:
> 
>> You are clearly right! Now I see the console output on my LCD :-)
>>
>> Will submit the patch soon.
> 
> I am using the following LCD configuration on my board file (same as vision2.h):
> 
> #define CONFIG_PREBOOT
> #define CONFIG_VIDEO
> #define CONFIG_VIDEO_MX5
> #define CONFIG_CFB_CONSOLE
> #define CONFIG_VGA_AS_SINGLE_DEVICE
> #define CONFIG_VIDEO_BMP_RLE8
> #define CONFIG_SPLASH_SCREEN
> #define CONFIG_CMD_BMP
> #define CONFIG_BMP_16BPP
> #define CONFIG_VIDEO_LOGO
> 
> ,and this directs the console to the LCD as expected.
> 
> I would like to keep only the video logo on screen and keep the
> console into the serial port.

On vision, the display was used for splashscreen and the console is set
to the serial line.

> 
> Is this possible?
> 
> If I remove "#define CONFIG_CFB_CONSOLE" the build fails (This can be
> reproduced with vision2 config).
> 
> If I keep "#define CONFIG_CFB_CONSOLE" and pass "set console serial"
> the console output still goes to the LCD.
> 
> Any suggestions?

You have to set stdin / stdout - maybe in late_init() ?

Stefano

Hi Stefano,

On Wed, May 9, 2012 at 1:19 PM, Stefano Babic <sbabic@denx.de> wrote:
>
> You have to set stdin / stdout - maybe in late_init() ?

That did the trick! Thanks a lot