diff options
Diffstat (limited to 'src/mainboard/siemens')
| -rw-r--r-- | src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c index f41fe732f3..3a87a4f5c5 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c @@ -14,6 +14,7 @@ */ #include <bootstate.h> +#include <cf9_reset.h> #include <console/console.h> #include <device/pci_def.h> #include <device/pci_ids.h> @@ -62,6 +63,13 @@ void variant_mainboard_final(void) cmd |= PCI_COMMAND_MASTER; pci_write_config16(dev, PCI_COMMAND, cmd); } + + /* Set Full Reset Bit in Reset Control Register (I/O port CF9h). + * When Bit 3 is set to 1 and then the reset button is pressed the PCH + * will drive SLP_S3 active (low). SLP_S3 is then used on the mainboard + * to generate the right reset timing. + */ + outb(FULL_RST, RST_CNT); } static void wait_for_legacy_dev(void *unused) |