diff options
Diffstat (limited to 'src/mainboard/asus/m2v')
| -rw-r--r-- | src/mainboard/asus/m2v/romstage.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/mainboard/asus/m2v/romstage.c b/src/mainboard/asus/m2v/romstage.c index c807daf47a..4a9d5ccc12 100644 --- a/src/mainboard/asus/m2v/romstage.c +++ b/src/mainboard/asus/m2v/romstage.c @@ -194,6 +194,19 @@ static void m2v_it8712f_gpio_init(void) giv++; } it8712f_exit_conf(); + + printk(BIOS_INFO, "it8712f gpio: Setting DDR2 voltage to 1.80V\n"); + /* + * upper two bits of gpio_base+4 control ddr2 voltage: + * 11: 1.80V + * 01: 1.85V + * 10: 1.90V + * 00: 1.95V + * + * The lower six bits are inputs and normally read back as 1 + * (except bit 2, which seems rather random). + */ + outb(0xff, IT8712F_GPIO_BASE+4); } static void m2v_bus_init(void) |