diff options
| -rw-r--r-- | src/mainboard/asus/p3b-f/romstage.c | 6 | ||||
| -rw-r--r-- | src/northbridge/intel/i440bx/raminit.c | 8 | ||||
| -rw-r--r-- | src/northbridge/intel/i440bx/raminit.h | 3 |
3 files changed, 13 insertions, 4 deletions
diff --git a/src/mainboard/asus/p3b-f/romstage.c b/src/mainboard/asus/p3b-f/romstage.c index e9630bfdb0..8e254baa93 100644 --- a/src/mainboard/asus/p3b-f/romstage.c +++ b/src/mainboard/asus/p3b-f/romstage.c @@ -49,7 +49,7 @@ int spd_read_byte(unsigned int device, unsigned int address) * 24-30 of the PIIX4E (bit 31 is reserved). Thus, GPIOs 27 and 28 * control which SMBus/I2C offsets can be accessed. */ -static void enable_spd(void) +void enable_spd(void) { outb(0x6f, PM_IO_BASE + 0x37); } @@ -58,7 +58,7 @@ static void enable_spd(void) * Disable SPD access after RAM init to allow access to SMBus/I2C offsets * 0x48/0x49/0x2d, which is required e.g. by lm-sensors. */ -static void disable_spd(void) +void disable_spd(void) { outb(0x67, PM_IO_BASE + 0x37); } @@ -71,10 +71,8 @@ void mainboard_romstage_entry(void) enable_smbus(); enable_pm(); - enable_spd(); sdram_initialize(); - disable_spd(); cbmem_initialize_empty(); } diff --git a/src/northbridge/intel/i440bx/raminit.c b/src/northbridge/intel/i440bx/raminit.c index 0f9f2f652a..28b22ec675 100644 --- a/src/northbridge/intel/i440bx/raminit.c +++ b/src/northbridge/intel/i440bx/raminit.c @@ -1035,10 +1035,18 @@ void sdram_enable(void) DUMPNORTH(); } +/* Implemented under mainboard. */ +void __weak enable_spd(void) { } +void __weak disable_spd(void) { } + void sdram_initialize(void) { + enable_spd(); + dump_spd_registers(); sdram_set_registers(); sdram_set_spd_registers(); sdram_enable(); + + disable_spd(); } diff --git a/src/northbridge/intel/i440bx/raminit.h b/src/northbridge/intel/i440bx/raminit.h index 448f8d69be..23299d1dd6 100644 --- a/src/northbridge/intel/i440bx/raminit.h +++ b/src/northbridge/intel/i440bx/raminit.h @@ -20,6 +20,9 @@ /* The 440BX supports up to four (single- or double-sided) DIMMs. */ #define DIMM_SOCKETS 4 +void enable_spd(void); +void disable_spd(void); + /* Function prototypes. */ int spd_read_byte(unsigned int device, unsigned int address); void sdram_set_registers(void); |