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northbridge/intel/i440bx: Merge RAM init routines 

There are 4 routines used in RAM init that most if not all
i440bx mainboards call in the same order. Implements a single
RAM init routine for them to allow for future consolidation.
Boards to be changed to use this one routine in a future change.

Change-Id: Ib553b07b117de12b7982586bce0f9355f55013a0
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/20676
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Keith Hui 2017-07-20 21:14:21 -04:00 committed by Martin Roth
parent 5bb5307c7d
commit 078e324080
2 changed files with 11 additions and 0 deletions
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8
src/northbridge/intel/i440bx/raminit.c
View File

@ -979,3 +979,11 @@ void sdram_enable(void)
PRINT_DEBUG("Northbridge following SDRAM init:\n"); PRINT_DEBUG("Northbridge following SDRAM init:\n");
DUMPNORTH(); DUMPNORTH();
} }
void sdram_initialize(void)
{
dump_spd_registers();
sdram_set_registers();
sdram_set_spd_registers();
sdram_enable();
}

3
src/northbridge/intel/i440bx/raminit.h
View File

@ -25,6 +25,9 @@ int spd_read_byte(unsigned int device, unsigned int address);
void sdram_set_registers(void); void sdram_set_registers(void);
void sdram_set_spd_registers(void); void sdram_set_spd_registers(void);
void sdram_enable(void); void sdram_enable(void);
/* A merger of above functions */
void sdram_initialize(void);
/* Debug */ /* Debug */
#if IS_ENABLED(CONFIG_DEBUG_RAM_SETUP) #if IS_ENABLED(CONFIG_DEBUG_RAM_SETUP)
void dump_spd_registers(void); void dump_spd_registers(void);