sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

haswell: Compute disabled channel masks at runtime

Browse Source 
All mainboards have a non-zero SPD address to implemented DIMM slots.
Knowing this, it is possible to compute the MRC slot population masks
automatically instead of hardcoding the values on each mainboard.

Change-Id: Ia8f369dd1228d53d64471e48700e870e01e77837
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43119
Reviewed-by: Tristan Corrick <tristan@corrick.kiwi>
Reviewed-by: Michael Niewöhner
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Angel Pons
2020-07-03 20:31:39 +02:00
parent ae4fb10240
commit d7bf3ad939
8 changed files with 15 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/mainboard/intel/baskingridge/romstage.c
View File

@@ -52,14 +52,6 @@ void mainboard_fill_pei_data(struct pei_data *pei_data)
pei_data->spd_addresses[2] = 0xa4;
pei_data->spd_addresses[3] = 0xa6;
pei_data->ec_present = 0;
/*
* 0 = leave channel enabled
* 1 = disable dimm 0 on channel
* 2 = disable dimm 1 on channel
* 3 = disable dimm 0+1 on channel
*/
pei_data->dimm_channel0_disabled = 0;
pei_data->dimm_channel1_disabled = 0;
pei_data->max_ddr3_freq = 1600;
struct usb2_port_setting usb2_ports[MAX_USB2_PORTS] = {