Re: [U-Boot] [Add tlbentry problem]

Hi Yshim: Please check your EBC CR value, if you configure for 2M, then thats what you will get.

Feng Kan

김영순 wrote:

I’ve worked on my custum board based on SEQUOIA.

I’d like to add new device (DSP, SIZE=256M, CS4).

I added tlbentry(256M) in init.S and defined CS4 in sequoia.h.

Init.S:

       /* TLB-entry for EBC(DSP) */

      tlbentry( CFG_DSP_BASE, SZ_256M, CFG_DSP_BASE, 1,

AC_R|AC_W|AC_X|SA_G|SA_I )

sequoia.h:

#define CFG_DSP_BASE 0xd0000000

#define CFG_EBC_PB4AP 0x05014300

#define CFG_EBC_PB4CR (CFG_DSP_BASE | 0x3a000)

The problem is this.

When I access over 2Mbytes area of DSP4(Over d0200000), I’ve got bus error in my application.

Accessing to under 2Mbytes, it works well….

Are there anything to do, when I want to attatch new devices????

Best Regards…