/*
* Autodetect onboard DDR SDRAM on 85xx platforms
*
* NOTE: Some of the hardcoded values are hardware dependant,
* so this should be extended for other future boards
* using this routine!
*/
phys_size_t fixed_sdram(void)
{
int casl = 0;
phys_size_t dram_size = 0;
casl = cas_latency();
dram_size = sdram_setup(casl);
if ((dram_size == 0) && (casl != CONFIG_DDR_DEFAULT_CL)) {
/*
* Try again with default CAS latency
*/
printf("Problem with CAS lantency, using default CL %d/10!\n",
CONFIG_DDR_DEFAULT_CL);
dram_size = sdram_setup(CONFIG_DDR_DEFAULT_CL);
puts(" ");
}
return dram_size;
}
phys_size_t initdram (int board_type)
{
long dram_size = 0;
#if defined(CONFIG_SPD_EEPROM)
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#else
dram_size = sdram_setup(CONFIG_DDR_DEFAULT_CL);
#endif
return dram_size;
}
