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Diffstat (limited to 'src/southbridge/intel/lynxpoint/lpc.c')
-rw-r--r--src/southbridge/intel/lynxpoint/lpc.c75
1 files changed, 54 insertions, 21 deletions
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index 378d62477b..a44d80f802 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -365,38 +365,67 @@ static void enable_hpet(void)
static void enable_clock_gating(device_t dev)
{
+#if CONFIG_INTEL_LYNXPOINT_LP
+ /* LynxPoint LP */
u32 reg32;
u16 reg16;
+ /* DMI */
RCBA32_AND_OR(0x2234, ~0UL, 0xf);
-
reg16 = pci_read_config16(dev, GEN_PMCON_1);
- reg16 |= (1 << 2) | (1 << 11);
+ reg16 &= ~((1 << 11) | (1 << 14));
+ reg16 |= (1 << 5) | (1 << 6) | (1 << 7) | (1 << 12) | (1 << 13);
+ reg16 |= (1 << 2); // PCI CLKRUN# Enable
pci_write_config16(dev, GEN_PMCON_1, reg16);
- pch_iobp_update(0xEB007F07, ~0UL, (1 << 31));
- pch_iobp_update(0xEB004000, ~0UL, (1 << 7));
- pch_iobp_update(0xEC007F07, ~0UL, (1 << 31));
- pch_iobp_update(0xEC004000, ~0UL, (1 << 7));
+ reg32 = pci_read_config32(dev, 0x64);
+ reg32 |= (1 << 6);
+ pci_write_config32(dev, 0x64, reg32);
+
+ RCBA32_AND_OR(0x2614, 0x8fffffff, 0x0f006500);
+ RCBA32_OR(0x900, 0x0000031f);
reg32 = RCBA32(CG);
- reg32 |= (1 << 31);
- reg32 |= (1 << 29) | (1 << 28);
- reg32 |= (1 << 27) | (1 << 26) | (1 << 25) | (1 << 24);
- reg32 |= (1 << 16);
- reg32 |= (1 << 17);
- reg32 |= (1 << 18);
- reg32 |= (1 << 22);
- reg32 |= (1 << 23);
- reg32 &= ~(1 << 20);
- reg32 |= (1 << 19);
- reg32 |= (1 << 0);
- reg32 |= (0xf << 1);
+ reg32 |= (1 << 31); // LPC Dynamic
+ reg32 |= (1 << 30); // LP LPC
+ reg32 |= (1 << 28); // GPIO Dynamic
+ reg32 |= (1 << 27); // HPET Dynamic
+ reg32 |= (1 << 26); // LP LPC
+ reg32 |= (1 << 22); // HDA Dynamic
+ reg32 |= (1 << 16); // PCIe Dynamic
RCBA32(CG) = reg32;
- RCBA32_OR(0x38c0, 0x7);
- RCBA32_OR(0x36d4, 0x6680c004);
- RCBA32_OR(0x3564, 0x3);
+ RCBA32_OR(0x3434, 0x7); // LP LPC
+
+ RCBA32_AND_OR(0x333c, 0xff0fffff, 0x00800000); // SATA
+
+ RCBA32_OR(0x38c0, 0x3c07); // SPI Dynamic
+
+ pch_iobp_update(0xCF000000, ~0UL, 0x00007001);
+ pch_iobp_update(0xCE00C000, ~0UL, 0x00000001);
+#else
+ /* LynxPoint Mobile */
+ u32 reg32;
+ u16 reg16;
+
+ /* DMI */
+ RCBA32_AND_OR(0x2234, ~0UL, 0xf);
+ reg16 = pci_read_config16(dev, GEN_PMCON_1);
+ reg16 |= (1 << 11) | (1 << 12) | (1 << 14);
+ reg16 |= (1 << 2); // PCI CLKRUN# Enable
+ pci_write_config16(dev, GEN_PMCON_1, reg16);
+ RCBA32_OR(0x900, (1 << 14));
+
+ reg32 = RCBA32(CG);
+ reg32 |= (1 << 22); // HDA Dynamic
+ reg32 |= (1 << 31); // LPC Dynamic
+ reg32 |= (1 << 16); // PCIe Dynamic
+ reg32 |= (1 << 27); // HPET Dynamic
+ reg32 |= (1 << 28); // GPIO Dynamic
+ RCBA32(CG) = reg32;
+
+ RCBA32_OR(0x38c0, 0x7); // SPI Dynamic
+#endif
}
#if CONFIG_HAVE_SMI_HANDLER
@@ -666,6 +695,10 @@ static const unsigned short pci_device_ids[] = {
0x8c4c, /* Q85 SKU */
0x8c4e, /* Q87 SKU */
0x8c4f, /* QM87 SKU */
+ 0x9c41, /* LP Full Featured Engineering Sample */
+ 0x9c43, /* LP Premium SKU */
+ 0x9c45, /* LP Mainstream SKU */
+ 0x9c47, /* LP Value SKU */
0 };
static const struct pci_driver pch_lpc __pci_driver = {