diff options
| -rw-r--r-- | src/northbridge/intel/sandybridge/early_dmi.c | 279 |
1 files changed, 142 insertions, 137 deletions
diff --git a/src/northbridge/intel/sandybridge/early_dmi.c b/src/northbridge/intel/sandybridge/early_dmi.c index 99705bb358..dec371fd15 100644 --- a/src/northbridge/intel/sandybridge/early_dmi.c +++ b/src/northbridge/intel/sandybridge/early_dmi.c @@ -20,179 +20,184 @@ void early_init_dmi(void) { int i; - DMIBAR32(0x0914) |= 0x80000000; - DMIBAR32(0x0934) |= 0x80000000; + for (i = 0; i < 2; i++) { + DMIBAR32(0x0914 + (i << 5)) |= (1 << 31); + } for (i = 0; i < 4; i++) { - DMIBAR32(0x0a00 + (i << 4)) &= 0xf3ffffff; - DMIBAR32(0x0a04 + (i << 4)) |= 0x800; + DMIBAR32(0x0a00 + (i << 4)) &= ~0x0c000000; + DMIBAR32(0x0a04 + (i << 4)) |= (1 << 11); + } + DMIBAR32(0x0c30) = (DMIBAR32(0x0c30) & 0x0fffffff) | (1 << 30); + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0904 + (i << 5)) &= ~0x01c00000; + DMIBAR32(0x090c + (i << 5)) &= ~0x000e0000; } - DMIBAR32(0x0c30) = (DMIBAR32(0x0c30) & 0xfffffff) | 0x40000000; + for (i = 0; i < 2; i++) { - DMIBAR32(0x0904 + (i << 5)) &= 0xfe3fffff; - DMIBAR32(0x090c + (i << 5)) &= 0xfff1ffff; + DMIBAR32(0x090c + (i << 5)) &= ~0x01e00000; } - DMIBAR32(0x090c) &= 0xfe1fffff; - DMIBAR32(0x092c) &= 0xfe1fffff; + for (i = 0; i < 2; i++) { + DMIBAR32(0x0904 + (i << 5)); // !!! = 0x7a1842ec + DMIBAR32(0x0904 + (i << 5)) = 0x7a1842ec; + DMIBAR32(0x090c + (i << 5)); // !!! = 0x00000208 + DMIBAR32(0x090c + (i << 5)) = 0x00000128; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0700 + (i << 5)); // !!! = 0x46139008 + DMIBAR32(0x0700 + (i << 5)) = 0x46139008; + } - DMIBAR32(0x0904); // !!! = 0x7a1842ec - DMIBAR32(0x0904) = 0x7a1842ec; - DMIBAR32(0x090c); // !!! = 0x00000208 - DMIBAR32(0x090c) = 0x00000128; - DMIBAR32(0x0924); // !!! = 0x7a1842ec - DMIBAR32(0x0924) = 0x7a1842ec; - DMIBAR32(0x092c); // !!! = 0x00000208 - DMIBAR32(0x092c) = 0x00000128; - DMIBAR32(0x0700); // !!! = 0x46139008 - DMIBAR32(0x0700) = 0x46139008; - DMIBAR32(0x0720); // !!! = 0x46139008 - DMIBAR32(0x0720) = 0x46139008; DMIBAR32(0x0c04); // !!! = 0x2e680008 DMIBAR32(0x0c04) = 0x2e680008; - DMIBAR32(0x0904); // !!! = 0x7a1842ec - DMIBAR32(0x0904) = 0x3a1842ec; - DMIBAR32(0x0924); // !!! = 0x7a1842ec - DMIBAR32(0x0924) = 0x3a1842ec; - DMIBAR32(0x0910); // !!! = 0x00006300 - DMIBAR32(0x0910) = 0x00004300; - DMIBAR32(0x0930); // !!! = 0x00006300 - DMIBAR32(0x0930) = 0x00004300; - DMIBAR32(0x0a00); // !!! = 0x03042010 - DMIBAR32(0x0a00) = 0x03042018; - DMIBAR32(0x0a10); // !!! = 0x03042010 - DMIBAR32(0x0a10) = 0x03042018; - DMIBAR32(0x0a20); // !!! = 0x03042010 - DMIBAR32(0x0a20) = 0x03042018; - DMIBAR32(0x0a30); // !!! = 0x03042010 - DMIBAR32(0x0a30) = 0x03042018; + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0904 + (i << 5)); // !!! = 0x7a1842ec + DMIBAR32(0x0904 + (i << 5)) = 0x3a1842ec; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0910 + (i << 5)); // !!! = 0x00006300 + DMIBAR32(0x0910 + (i << 5)) = 0x00004300; + } + + for (i = 0; i < 4; i++) { + DMIBAR32(0x0a00 + (i << 4)); // !!! = 0x03042010 + DMIBAR32(0x0a00 + (i << 4)) = 0x03042018; + } + DMIBAR32(0x0c00); // !!! = 0x29700c08 DMIBAR32(0x0c00) = 0x29700c08; - DMIBAR32(0x0a04); // !!! = 0x0c0708f0 - DMIBAR32(0x0a04) = 0x0c0718f0; - DMIBAR32(0x0a14); // !!! = 0x0c0708f0 - DMIBAR32(0x0a14) = 0x0c0718f0; - DMIBAR32(0x0a24); // !!! = 0x0c0708f0 - DMIBAR32(0x0a24) = 0x0c0718f0; - DMIBAR32(0x0a34); // !!! = 0x0c0708f0 - DMIBAR32(0x0a34) = 0x0c0718f0; - DMIBAR32(0x0900); // !!! = 0x50000000 - DMIBAR32(0x0900) = 0x50000000; - DMIBAR32(0x0920); // !!! = 0x50000000 - DMIBAR32(0x0920) = 0x50000000; - DMIBAR32(0x0908); // !!! = 0x51ffffff - DMIBAR32(0x0908) = 0x51ffffff; - DMIBAR32(0x0928); // !!! = 0x51ffffff - DMIBAR32(0x0928) = 0x51ffffff; - DMIBAR32(0x0a00); // !!! = 0x03042018 - DMIBAR32(0x0a00) = 0x03042018; - DMIBAR32(0x0a10); // !!! = 0x03042018 - DMIBAR32(0x0a10) = 0x03042018; - DMIBAR32(0x0a20); // !!! = 0x03042018 - DMIBAR32(0x0a20) = 0x03042018; - DMIBAR32(0x0a30); // !!! = 0x03042018 - DMIBAR32(0x0a30) = 0x03042018; - DMIBAR32(0x0700); // !!! = 0x46139008 - DMIBAR32(0x0700) = 0x46139008; - DMIBAR32(0x0720); // !!! = 0x46139008 - DMIBAR32(0x0720) = 0x46139008; - DMIBAR32(0x0904); // !!! = 0x3a1842ec - DMIBAR32(0x0904) = 0x3a1846ec; - DMIBAR32(0x0924); // !!! = 0x3a1842ec - DMIBAR32(0x0924) = 0x3a1846ec; - DMIBAR32(0x0a00); // !!! = 0x03042018 - DMIBAR32(0x0a00) = 0x03042018; - DMIBAR32(0x0a10); // !!! = 0x03042018 - DMIBAR32(0x0a10) = 0x03042018; - DMIBAR32(0x0a20); // !!! = 0x03042018 - DMIBAR32(0x0a20) = 0x03042018; - DMIBAR32(0x0a30); // !!! = 0x03042018 - DMIBAR32(0x0a30) = 0x03042018; - DMIBAR32(0x0908); // !!! = 0x51ffffff - DMIBAR32(0x0908) = 0x51ffffff; - DMIBAR32(0x0928); // !!! = 0x51ffffff - DMIBAR32(0x0928) = 0x51ffffff; + + for (i = 0; i < 4; i++) { + DMIBAR32(0x0a04 + (i << 4)); // !!! = 0x0c0708f0 + DMIBAR32(0x0a04 + (i << 4)) = 0x0c0718f0; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0900 + (i << 5)); // !!! = 0x50000000 + DMIBAR32(0x0900 + (i << 5)) = 0x50000000; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0908 + (i << 5)); // !!! = 0x51ffffff + DMIBAR32(0x0908 + (i << 5)) = 0x51ffffff; + } + + for (i = 0; i < 4; i++) { + DMIBAR32(0x0a00 + (i << 4)); // !!! = 0x03042018 + DMIBAR32(0x0a00 + (i << 4)) = 0x03042018; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0700 + (i << 5)); // !!! = 0x46139008 + DMIBAR32(0x0700 + (i << 5)) = 0x46139008; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0904 + (i << 5)); // !!! = 0x3a1842ec + DMIBAR32(0x0904 + (i << 5)) = 0x3a1846ec; + } + + for (i = 0; i < 4; i++) { + DMIBAR32(0x0a00 + (i << 4)); // !!! = 0x03042018 + DMIBAR32(0x0a00 + (i << 4)) = 0x03042018; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0908 + (i << 5)); // !!! = 0x51ffffff + DMIBAR32(0x0908 + (i << 5)) = 0x51ffffff; + } + DMIBAR32(0x0c00); // !!! = 0x29700c08 DMIBAR32(0x0c00) = 0x29700c08; + DMIBAR32(0x0c0c); // !!! = 0x16063400 DMIBAR32(0x0c0c) = 0x00063400; - DMIBAR32(0x0700); // !!! = 0x46139008 - DMIBAR32(0x0700) = 0x46339008; - DMIBAR32(0x0720); // !!! = 0x46139008 - DMIBAR32(0x0720) = 0x46339008; - DMIBAR32(0x0700); // !!! = 0x46339008 - DMIBAR32(0x0700) = 0x45339008; - DMIBAR32(0x0720); // !!! = 0x46339008 - DMIBAR32(0x0720) = 0x45339008; - DMIBAR32(0x0700); // !!! = 0x45339008 - DMIBAR32(0x0700) = 0x453b9008; - DMIBAR32(0x0720); // !!! = 0x45339008 - DMIBAR32(0x0720) = 0x453b9008; - DMIBAR32(0x0700); // !!! = 0x453b9008 - DMIBAR32(0x0700) = 0x45bb9008; - DMIBAR32(0x0720); // !!! = 0x453b9008 - DMIBAR32(0x0720) = 0x45bb9008; - DMIBAR32(0x0700); // !!! = 0x45bb9008 - DMIBAR32(0x0700) = 0x45fb9008; - DMIBAR32(0x0720); // !!! = 0x45bb9008 - DMIBAR32(0x0720) = 0x45fb9008; - DMIBAR32(0x0914); // !!! = 0x9021a080 - DMIBAR32(0x0914) = 0x9021a280; - DMIBAR32(0x0934); // !!! = 0x9021a080 - DMIBAR32(0x0934) = 0x9021a280; - DMIBAR32(0x0914); // !!! = 0x9021a280 - DMIBAR32(0x0914) = 0x9821a280; - DMIBAR32(0x0934); // !!! = 0x9021a280 - DMIBAR32(0x0934) = 0x9821a280; - DMIBAR32(0x0a00); // !!! = 0x03042018 - DMIBAR32(0x0a00) = 0x03242018; - DMIBAR32(0x0a10); // !!! = 0x03042018 - DMIBAR32(0x0a10) = 0x03242018; - DMIBAR32(0x0a20); // !!! = 0x03042018 - DMIBAR32(0x0a20) = 0x03242018; - DMIBAR32(0x0a30); // !!! = 0x03042018 - DMIBAR32(0x0a30) = 0x03242018; + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0700 + (i << 5)); // !!! = 0x46139008 + DMIBAR32(0x0700 + (i << 5)) = 0x46339008; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0700 + (i << 5)); // !!! = 0x46339008 + DMIBAR32(0x0700 + (i << 5)) = 0x45339008; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0700 + (i << 5)); // !!! = 0x45339008 + DMIBAR32(0x0700 + (i << 5)) = 0x453b9008; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0700 + (i << 5)); // !!! = 0x453b9008 + DMIBAR32(0x0700 + (i << 5)) = 0x45bb9008; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0700 + (i << 5)); // !!! = 0x45bb9008 + DMIBAR32(0x0700 + (i << 5)) = 0x45fb9008; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0914 + (i << 5)); // !!! = 0x9021a080 + DMIBAR32(0x0914 + (i << 5)) = 0x9021a280; + } + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0914 + (i << 5)); // !!! = 0x9021a080 + DMIBAR32(0x0914 + (i << 5)) = 0x9821a280; + } + + for (i = 0; i < 4; i++) { + DMIBAR32(0x0a00 + (i << 4)); // !!! = 0x03042018 + DMIBAR32(0x0a00 + (i << 4)) = 0x03242018; + } + DMIBAR32(0x0258); // !!! = 0x40000600 DMIBAR32(0x0258) = 0x60000600; - DMIBAR32(0x0904); // !!! = 0x3a1846ec - DMIBAR32(0x0904) = 0x2a1846ec; - DMIBAR32(0x0914); // !!! = 0x9821a280 - DMIBAR32(0x0914) = 0x98200280; - DMIBAR32(0x0924); // !!! = 0x3a1846ec - DMIBAR32(0x0924) = 0x2a1846ec; - DMIBAR32(0x0934); // !!! = 0x9821a280 - DMIBAR32(0x0934) = 0x98200280; + + for (i = 0; i < 2; i++) { + DMIBAR32(0x0904 + (i << 5)); // !!! = 0x3a1846ec + DMIBAR32(0x0904 + (i << 5)) = 0x2a1846ec; + DMIBAR32(0x0914 + (i << 5)); // !!! = 0x9821a280 + DMIBAR32(0x0914 + (i << 5)) = 0x98200280; + } + DMIBAR32(0x022c); // !!! = 0x00c26460 DMIBAR32(0x022c) = 0x00c2403c; early_pch_init_native_dmi_pre(); - /* Write once settings. */ + /* Write once settings */ DMIBAR32(DMILCAP) = (DMIBAR32(DMILCAP) & ~0x3f00f) | - (2 << 0) | // 5GT/s - (2 << 12) | // L0s 128 ns to less than 256 ns - (2 << 15); // L1 2 us to less than 4 us + (2 << 0) | // 5GT/s + (2 << 12) | // L0s 128 ns to less than 256 ns + (2 << 15); // L1 2 us to less than 4 us - DMIBAR8(DMILCTL) |= 0x20; // Retrain link + DMIBAR8(DMILCTL) |= (1 << 5); // Retrain link while (DMIBAR16(DMILSTS) & TXTRN) ; - DMIBAR8(DMILCTL) |= 0x20; // Retrain link + DMIBAR8(DMILCTL) |= (1 << 5); // Retrain link while (DMIBAR16(DMILSTS) & TXTRN) ; - const u8 w = (DMIBAR16(DMILSTS) >> 4) & 0x1f; - const u16 t = (DMIBAR16(DMILSTS) & 0xf) * 2500; + const u8 w = (DMIBAR16(DMILSTS) >> 4) & 0x1f; + const u16 t = (DMIBAR16(DMILSTS) & 0x0f) * 2500; printk(BIOS_DEBUG, "DMI: Running at X%x @ %dMT/s\n", w, t); /* * Virtual Channel resources must match settings in RCBA! * - * Channel Vp and Vm are documented in - * "Desktop 4th Generation Intel Core Processor Family, Desktop Intel - * Pentium Processor Family, and Desktop Intel Celeron Processor Family - * Vol. 2" + * Channel Vp and Vm are documented in: + * "Desktop 4th Generation Intel Core Processor Family, Desktop Intel Pentium + * Processor Family, and Desktop Intel Celeron Processor Family Vol. 2" */ /* Channel 0: Enable, Set ID to 0, map TC0 and TC3 and TC4 to VC0. */ |