Hi Experts,
I am using EMIFA on OmapL137, somehow I can not power it up. Below are my code:
/*Enable Function for PSC0*/
void PSC0_lPSC_enable(Uint8 PD, Uint8 LPSC_num)
{
printf("\n PSC0 Enable on Domain %d, LPSC %d\n",PD,LPSC_num);
*(Uint32*) (PSC0_MDCTL+4*LPSC_num) = (*(Uint32*) (PSC0_MDCTL+4*LPSC_num) & 0xFFFFFFE0) | 0x0003;
PSC0_PTCMD = 0x1<<PD;
while( (PSC0_PTSTAT & (0x1<<PD) ) !=0) ; /*Wait for power state transition to finish*/
while( (*(Uint32*)(PSC0_MDSTAT+4 * LPSC_num) & 0x1F) !=0x3);
}
/*Enable Function for PSC1*/
void PSC1_lPSC_enable(Uint8 PD, Uint8 LPSC_num)
{
printf("\n PSC1 Enable on Domain %d, LPSC %d\n",PD,LPSC_num);
*(Uint32*) (PSC1_MDCTL+4*LPSC_num) = (*(Uint32*) (PSC1_MDCTL+4*LPSC_num) & 0xFFFFFFE0) | 0x0003;
PSC1_PTCMD = 0x1<<PD;
while( (PSC1_PTSTAT & (0x1<<PD) ) !=0 ) ; /*Wait for power state transition to finish*/
while( (*(Uint32*)(PSC1_MDSTAT+4 * LPSC_num) & 0x1F) !=0x3);
}
void initpsc( void)
{
.......
PSC0_lPSC_enable(0, 3); // EMIFA
.......
}
but my code hangs at "while( (PSC0_PTSTAT & (0x1<<PD) ) !=0) ; ".
GOSTAT[0] never goes to 0, it is always 1. As a result, I can not access any registers.
Is there anything that I have missed ? I didn't find much information in the manual.
Thanks a lot.
