@ -134,88 +134,6 @@ volatile static struct pci_controller hose[] = {
} ;
# endif /* CONFIG_PCI */
/* If MPC8349E-mITX is soldered with SDRAM, then initialize it. */
void sdram_init ( void )
{
volatile immap_t * immap = ( immap_t * ) CFG_IMMR ;
volatile lbus83xx_t * lbc = & immap - > lbus ;
# if defined(CFG_BR2_PRELIM) \
& & defined ( CFG_OR2_PRELIM ) \
& & defined ( CFG_LBLAWBAR2_PRELIM ) \
& & defined ( CFG_LBLAWAR2_PRELIM ) \
& & ! defined ( CONFIG_COMPACT_FLASH )
uint * sdram_addr = ( uint * ) CFG_LBC_SDRAM_BASE ;
puts ( " \n SDRAM on Local Bus: " ) ;
print_size ( CFG_LBC_SDRAM_SIZE * 1024 * 1024 , " \n " ) ;
/*
* Setup SDRAM Base and Option Registers , already done in cpu_init . c
*/
/*setup mtrpt, lsrt and lbcr for LB bus */
lbc - > lbcr = CFG_LBC_LBCR ;
lbc - > mrtpr = CFG_LBC_MRTPR ;
lbc - > lsrt = CFG_LBC_LSRT ;
asm ( " sync " ) ;
/*
* Configure the SDRAM controller Machine Mode register .
*/
lbc - > lsdmr = CFG_LBC_LSDMR_5 ; /* 0x40636733; normal operation */
lbc - > lsdmr = CFG_LBC_LSDMR_1 ; /*0x68636733; precharge all the banks */
asm ( " sync " ) ;
* sdram_addr = 0xff ;
udelay ( 100 ) ;
lbc - > lsdmr = CFG_LBC_LSDMR_2 ; /*0x48636733; auto refresh */
asm ( " sync " ) ;
* sdram_addr = 0xff ; /*1 time*/
udelay ( 100 ) ;
* sdram_addr = 0xff ; /*2 times*/
udelay ( 100 ) ;
* sdram_addr = 0xff ; /*3 times*/
udelay ( 100 ) ;
* sdram_addr = 0xff ; /*4 times*/
udelay ( 100 ) ;
* sdram_addr = 0xff ; /*5 times*/
udelay ( 100 ) ;
* sdram_addr = 0xff ; /*6 times*/
udelay ( 100 ) ;
* sdram_addr = 0xff ; /*7 times*/
udelay ( 100 ) ;
* sdram_addr = 0xff ; /*8 times*/
udelay ( 100 ) ;
lbc - > lsdmr = CFG_LBC_LSDMR_4 ; /*0x58636733;mode register write operation */
asm ( " sync " ) ;
* sdram_addr = 0xff ;
udelay ( 100 ) ;
lbc - > lsdmr = CFG_LBC_LSDMR_5 ; /*0x40636733;normal operation */
asm ( " sync " ) ;
* sdram_addr = 0xff ;
udelay ( 100 ) ;
# else
puts ( " SDRAM on Local Bus is NOT available! \n " ) ;
# ifdef CFG_BR2_PRELIM
lbc - > bank [ 2 ] . br = CFG_BR2_PRELIM ;
lbc - > bank [ 2 ] . or = CFG_OR2_PRELIM ;
# endif
# ifdef CFG_BR3_PRELIM
lbc - > bank [ 3 ] . br = CFG_BR3_PRELIM ;
lbc - > bank [ 3 ] . or = CFG_OR3_PRELIM ;
# endif
# endif
}
long int initdram ( int board_type )
{
volatile immap_t * im = ( immap_t * ) CFG_IMMR ;
@ -243,12 +161,8 @@ long int initdram(int board_type)
ddr_enable_ecc ( msize * 1048576 ) ;
# endif
/*
* Initialize SDRAM if it is on local bus .
*/
sdram_init ( ) ;
puts ( " DDR RAM: " ) ;
/* return total bus SD RAM size(bytes) -- DDR */
/* return total bus RAM size(bytes) */
return msize * 1024 * 1024 ;
}