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#include <lib.h> /* Prototypes */
/* Setup SDRAM */
#if CONFIG_RAMINIT_SYSINFO
void sdram_initialize(int controllers, const struct mem_controller *ctrl, void *sysinfo)
#else
void sdram_initialize(int controllers, const struct mem_controller *ctrl)
#endif
{
int i;
/* Set the registers we can set once to reasonable values */
for (i = 0; i < controllers; i++) {
printk(BIOS_DEBUG, "Ram1.%02x\n", i);
#if CONFIG_RAMINIT_SYSINFO
sdram_set_registers(ctrl + i, sysinfo);
#else
sdram_set_registers(ctrl + i);
#endif
}
/* Now setup those things we can auto detect */
for (i = 0; i < controllers; i++) {
printk(BIOS_DEBUG, "Ram2.%02x\n", i);
#if CONFIG_RAMINIT_SYSINFO
sdram_set_spd_registers(ctrl + i, sysinfo);
#else
sdram_set_spd_registers(ctrl + i);
#endif
}
/* Now that everything is setup enable the SDRAM.
* Some chipsets do the work for us while on others
* we need to it by hand.
*/
printk(BIOS_DEBUG, "Ram3\n");
#if CONFIG_RAMINIT_SYSINFO
sdram_enable(controllers, ctrl, sysinfo);
#else
sdram_enable(controllers, ctrl);
#endif
printk(BIOS_DEBUG, "Ram4\n");
}
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