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nb/intel/i945: Refactor `dump_spd_registers` function 

Use the mainboard-provided SPD map and skip unused addresses.

Change-Id: I2b5b71cff290343c1000d5613209049fa9724e3d
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51899
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
This commit is contained in:
Angel Pons 2021-03-28 14:06:55 +02:00
parent 6c6e049282
commit a60b42a26a
3 changed files with 10 additions and 9 deletions
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11
src/northbridge/intel/i945/debug.c
View File

@ -57,11 +57,13 @@ void dump_pci_devices(void)
}
}
void dump_spd_registers(void)
void dump_spd_registers(u8 spd_map[4])
{
unsigned int device;
device = DIMM0;
while (device <= DIMM3) {
for (unsigned int d = 0; d < 4; d++) {
const unsigned int device = spd_map[d];
if (device == 0)
continue;
int status = 0;
int i;
printk(BIOS_DEBUG, "\ndimm %02x", device);
@ -76,7 +78,6 @@ void dump_spd_registers(void)
}
printk(BIOS_DEBUG, "%02x ", status);
}
device++;
printk(BIOS_DEBUG, "\n");
}
}

2
src/northbridge/intel/i945/i945.h
View File

@ -337,7 +337,7 @@ void i945_late_initialization(int s3resume);
void print_pci_devices(void);
void dump_pci_device(unsigned int dev);
void dump_pci_devices(void);
void dump_spd_registers(void);
void dump_spd_registers(u8 spd_map[4]);
void sdram_dump_mchbar_registers(void);
u32 decode_igd_memory_size(u32 gms);

6
src/northbridge/intel/i945/romstage.c
View File

@ -48,11 +48,11 @@ void mainboard_romstage_entry(void)
mainboard_pre_raminit_config(s3resume);
if (CONFIG(DEBUG_RAM_SETUP))
dump_spd_registers();
mainboard_get_spd_map(spd_map);
if (CONFIG(DEBUG_RAM_SETUP))
dump_spd_registers(spd_map);
sdram_initialize(s3resume ? BOOT_PATH_RESUME : BOOT_PATH_NORMAL, spd_map);
/* This should probably go away. Until now it is required