[U-Boot] What to do for a working BIOSEMU and ATI_RADEON_FB environment?

[Anatolij Gustschin <agust@denx.de>]

Markus Rathgeb wrote:

> -#define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor   */
> -#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()  */
> +#define CONFIG_SYS_MONITOR_LEN (1024 << 10) /* Reserve 1024 kB for Monitor   */
> +#define CONFIG_SYS_MALLOC_LEN (1024 << 10) /* Reserve 1024 kB for malloc()  */

<snip>

> I changed also CONFIG_SYS_MONITOR_LEN and CONFIG_SYS_MALLOC_LEN.
> I do not know, what are the minimum values that are working.
> But 128 and 256 for CONFIG_SYS_MALLOC_LEN are to small and with the
> above values it is working - so it is okay for me.

CONFIG_SYS_MONITOR_LEN could probably be 384 kB or 512 kB. It
depends on included (configured) drivers and U-Boot commands.
1024 kB is too big here, i think. 1024 kB for CONFIG_SYS_MALLOC_LEN
is OK.
 
> Where can I read more about that options (and the options for video)?
> Are there documentations or should I read the source code (that is no
> problem, but it will be cost a lot of time)?

u-boot/README contains a description of these options. Video
related options are described there too. README also describes
"videomode" U-Boot environment variable for selection of display
resolution and color depth.

Best regards,
Anatolij