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nb/intel/ironlake: Do not call `collect_system_info` twice 

Move wait for TXT and early ME init out of `collect_system_info`, and
then drop the first call to it. Also drop a useless register read.

Tested on out-of-tree HP 630, still boots.

Change-Id: I9b167f44cbd96864bf1e8b616576af19cbbfd90c
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49581
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Angel Pons 2021-01-15 22:10:13 +01:00 committed by Patrick Georgi
parent e9fa37894e
commit a3868296ce
1 changed files with 7 additions and 15 deletions
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22
src/northbridge/intel/ironlake/raminit.c
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@ -1470,16 +1470,6 @@ static void collect_system_info(struct raminfo *info)
int i;
unsigned int channel;
/* Wait for some bit, maybe TXT clear. */
while (!(read8((u8 *)0xfed40000) & (1 << 7)))
;
if (!info->memory_reserved_for_heci_mb) {
/* Wait for ME to be ready */
intel_early_me_init();
info->memory_reserved_for_heci_mb = intel_early_me_uma_size();
}
for (i = 0; i < 3; i++) {
capid0[i] = pci_read_config32(NORTHBRIDGE, CAPID0 | (i << 2));
printk(BIOS_DEBUG, "CAPID0[%d] = 0x%08x\n", i, capid0[i]);
@ -3713,16 +3703,18 @@ void raminit(const int s3resume, const u8 *spd_addrmap)
info.training.reg_178 = 0;
info.training.reg_10b = 0;
info.memory_reserved_for_heci_mb = 0;
/* Wait for some bit, maybe TXT clear. */
while (!(read8((u8 *)0xfed40000) & (1 << 7)))
;
/* Wait for ME to be ready */
intel_early_me_init();
info.memory_reserved_for_heci_mb = intel_early_me_uma_size();
/* before SPD */
timestamp_add_now(101);
if (!s3resume || 1) { // possible error
pci_read_config8(SOUTHBRIDGE, GEN_PMCON_2); // = 0x80
collect_system_info(&info);
memset(&info.populated_ranks, 0, sizeof(info.populated_ranks));
info.use_ecc = 1;