diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/ironlake/northbridge.c | 32 |
1 files changed, 3 insertions, 29 deletions
diff --git a/src/northbridge/intel/ironlake/northbridge.c b/src/northbridge/intel/ironlake/northbridge.c index f53b03ea8b..415c142946 100644 --- a/src/northbridge/intel/ironlake/northbridge.c +++ b/src/northbridge/intel/ironlake/northbridge.c @@ -161,39 +161,13 @@ static void northbridge_dmi_init(struct device *dev) DMIBAR32(0x1c4) = 0xffffffff; DMIBAR32(0x1d0) = 0xffffffff; - /* Steps prior to DMI ASPM */ - if ((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_SNB) { - reg32 = DMIBAR32(0x250); - reg32 &= ~((1 << 22) | (1 << 20)); - reg32 |= (1 << 21); - DMIBAR32(0x250) = reg32; - } - reg32 = DMIBAR32(0x238); reg32 |= (1 << 29); DMIBAR32(0x238) = reg32; - if (bridge_silicon_revision() >= SNB_STEP_D0) { - reg32 = DMIBAR32(0x1f8); - reg32 |= (1 << 16); - DMIBAR32(0x1f8) = reg32; - } else if (bridge_silicon_revision() >= SNB_STEP_D1) { - reg32 = DMIBAR32(0x1f8); - reg32 &= ~(1 << 26); - reg32 |= (1 << 16); - DMIBAR32(0x1f8) = reg32; - - reg32 = DMIBAR32(0x1fc); - reg32 |= (1 << 12) | (1 << 23); - DMIBAR32(0x1fc) = reg32; - } - - /* Enable ASPM on SNB link, should happen before PCH link */ - if ((bridge_silicon_revision() & BASE_REV_MASK) == BASE_REV_SNB) { - reg32 = DMIBAR32(0xd04); - reg32 |= (1 << 4); - DMIBAR32(0xd04) = reg32; - } + reg32 = DMIBAR32(0x1f8); + reg32 |= (1 << 16); + DMIBAR32(0x1f8) = reg32; reg32 = DMIBAR32(0x88); reg32 |= (1 << 1) | (1 << 0); |