system76-coreboot/src/sdram/generic_sdram.c
Stefan Reinauer bba53ed1a7 fix typo in commend of generic_sdram.c (trivial)
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3445 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-08-01 11:36:40 +00:00

68 lines
1.4 KiB
C

#ifndef RAMINIT_SYSINFO
#define RAMINIT_SYSINFO 0
#endif
static inline void print_debug_sdram_8(const char *strval, uint32_t val)
{
#if CONFIG_USE_INIT
printk_debug("%s%02x\r\n", strval, val);
#else
print_debug(strval); print_debug_hex8(val); print_debug("\r\n");
#endif
}
void sdram_no_memory(void)
{
print_err("No memory!!\r\n");
while(1) {
hlt();
}
}
/* Setup SDRAM */
#if RAMINIT_SYSINFO == 1
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++) {
print_debug_sdram_8("Ram1.",i);
#if RAMINIT_SYSINFO == 1
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++) {
print_debug_sdram_8("Ram2.",i);
#if RAMINIT_SYSINFO == 1
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.
*/
print_debug("Ram3\r\n");
#if RAMINIT_SYSINFO == 1
sdram_enable(controllers, ctrl, sysinfo);
#else
sdram_enable(controllers, ctrl);
#endif
print_debug("Ram4\r\n");
}