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

haswell: Introduce ENABLE_DDR_2X_REFRESH Kconfig option

Browse Source 
This Kconfig symbol allows doubling the memory's refresh rate, assuming
that the MRC actually cares about it. It is disabled by default except
on the mainboards which explicitly enabled this setting in `pei_data`.

Change-Id: I6318dad0350d1c506c67f9d117d0ae8dad871281
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43122
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tristan Corrick <tristan@corrick.kiwi>
This commit is contained in:
Angel Pons
2020-07-03 21:31:17 +02:00
parent 6c8e4dd87b
commit 1be9f5841d
8 changed files with 18 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/mainboard/google/beltino/Kconfig
View File

@@ -57,4 +57,7 @@ config MAINBOARD_SMBIOS_MANUFACTURER
string
default "GOOGLE"
config ENABLE_DDR_2X_REFRESH
default y
endif # BOARD_GOOGLE_BASEBOARD_BELTINO

2
src/mainboard/google/beltino/romstage.c
View File

@@ -45,8 +45,6 @@ void mainboard_fill_pei_data(struct pei_data *pei_data)
pei_data->spd_addresses[0] = 0xa0;
pei_data->spd_addresses[2] = 0xa4;
pei_data->ec_present = 0;
/* Enable 2x refresh mode */
pei_data->ddr_refresh_2x = 1;
pei_data->dq_pins_interleaved = 1;
pei_data->usb_xhci_on_resume = 1;

3
src/mainboard/google/slippy/Kconfig
View File

@@ -65,4 +65,7 @@ config MAINBOARD_SMBIOS_MANUFACTURER
string
default "GOOGLE"
config ENABLE_DDR_2X_REFRESH
default y if BOARD_GOOGLE_FALCO
endif # BOARD_GOOGLE_BASEBOARD_SLIPPY

2
src/mainboard/google/slippy/variants/falco/romstage.c
View File

@@ -52,8 +52,6 @@ void copy_spd(struct pei_data *peid)
void variant_romstage_entry(struct pei_data *pei_data)
{
pei_data->ddr_refresh_2x = 1; /* Enable 2x refresh mode */
struct usb2_port_setting usb2_ports[MAX_USB2_PORTS] = {
/* Length, Enable, OCn#, Location */
{ 0x0064, 1, 0, /* P0: Port A, CN8 */

3
src/mainboard/supermicro/x10slm-f/Kconfig
View File

@@ -29,4 +29,7 @@ config MAINBOARD_PART_NUMBER
string
default "X10SLM+-F"
config ENABLE_DDR_2X_REFRESH
default y
endif

1
src/mainboard/supermicro/x10slm-f/romstage.c
View File

@@ -24,7 +24,6 @@ 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;
pei_data->ddr_refresh_2x = 1;
struct usb2_port_setting usb2_ports[MAX_USB2_PORTS] = {
/* Length, Enable, OCn#, Location */