change tiled region

Memory Map - 1GB DDR, upto 256MB DDR.



+-0x80000000-+   +-------------------+
         ^       |                   |
         |       |                   |
         |       |  242 MB           | Linux
         |       |                   |
         |       +-------------------+
         |       |  96.5 MB          | (SR1) Bitstream buffer
         |       |                   | Cached on A8. Cached on M3, although access by DMAs
         |       +-------------------+ 
	 |	 |   1   MB          | (SR3)InterDucati IPC ListMP .Cached on M3 
	 |	 +-------------------+            
         +       |   2.5 MB          | Video M3 Code
       512 MB    +-------------------+
         +       |   10  MB          | Video M3 Data
         |       +-------------------+
         |       |   2   MB          | VPSS  M3 Code
         |       +-------------------+
         |       |   15.5 MB         | VPSS  M3 Data
         |       +-------------------+
         |       |   1.5 MB          | DSP Code
         |       +-------------------+
         |       |   13  MB          | DSP Data
         |       +-------------------+

 128 MB Tiled 8-bit region 

 128 MB Tiled 16-bit region
         |       +-------------------+
         |       |                   |
         |       |  361 MB           | (SR2) Frame Buffer Region
         |       |                   | VPSS - Video M3 Frame Buf
         |       +-------------------+  
         +       |                   |
       512 MB    |  16  MB           | (SR0) Syslink MsgQ/IPC List MP
         +       |                   |	Non-cached on M3              
         |       +-------------------+
         |       |  2    MB          | VPSS M3 - VPDMA Descriptor
         |       +-------------------+
         |       |  2    MB          | VPSS M3 - FBDev Shared Memory
         |       +-------------------+
         |       |  2    MB          | Host - VPSS M3 Notify(For FBDev)
         |       +-------------------+
         v       |  1    MB          | Remote Debug Print
+-0xBFFFFFFF-+   +-------------------+

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

can I reduce Tiled  region so as to increase DSP data?

how ?

just change config_1G_256MLinux.bld file ?

thankyou for any help