why we set CAMDIVN and CLKDIVN

[xiangfu]

xiangfu wrote:
> Andy Green wrote:
>> | ----i still can't run the C function by add "stack_setup".
>>
>> Can't help from this description. 
> i mean if i change
> ----extern void delay(int time);
> to :
> ----int delay(int time)
> ----{
> ----    int i=0;
> ----    for(i=0;i<time;i++);
> ----    return 0;
> ----}
>
> the program not run.the led not blink.
> i think this[1] is the problem(I'm not very sure),
> in the blink_led program the TEXT_BASE is 0x000000;
> so the sp is wrong.
> How to resolve this problem.
>
>
> [1]:
> stack_setup:
>    ldr    r0, _TEXT_BASE        /* upper 128 KiB: relocated uboot   */
>    sub    r0, r0, #CFG_MALLOC_LEN    /* malloc 
> area                      */
>    sub    r0, r0, #CFG_GBL_DATA_SIZE     /* 
> bdinfo                        */
>    sub    r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
>    sub    sp, r0, #12        /* leave 3 words for abort-stack    */
i change the TEXT_BASE from 0x000000 to 0x33F80000, that is work.
next step i should try to load a program form NAND to RAM.