diff options
Diffstat (limited to 'src/southbridge/intel/lynxpoint/pcie.c')
| -rw-r--r-- | src/southbridge/intel/lynxpoint/pcie.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/src/southbridge/intel/lynxpoint/pcie.c b/src/southbridge/intel/lynxpoint/pcie.c index 0ede943ceb..112c9d3fa3 100644 --- a/src/southbridge/intel/lynxpoint/pcie.c +++ b/src/southbridge/intel/lynxpoint/pcie.c @@ -502,14 +502,10 @@ static void pcie_add_0x0202000_iobp(u32 reg) static void pch_pcie_early(struct device *dev) { - int rp; - int do_aspm; - int is_lp; struct southbridge_intel_lynxpoint_config *config = dev->chip_info; - - rp = root_port_number(dev); - do_aspm = 0; - is_lp = pch_is_lp(); + int do_aspm = 0; + int rp = root_port_number(dev); + int is_lp = pch_is_lp(); if (is_lp) { switch (rp) { @@ -517,18 +513,24 @@ static void pch_pcie_early(struct device *dev) case 2: case 3: case 4: - /* Bits 31:28 of b0d28f0 0x32c register correspnd to - * Root Ports 4:1. */ + /* + * Bits 31:28 of b0d28f0 0x32c register correspond to + * Root Ports 4:1. + */ do_aspm = !!(rpc.b0d28f0_32c & (1 << (28 + rp - 1))); break; case 5: - /* Bit 28 of b0d28f4 0x32c register correspnd to - * Root Ports 4:1. */ + /* + * Bit 28 of b0d28f4 0x32c register correspond to + * Root Ports 4:1. + */ do_aspm = !!(rpc.b0d28f4_32c & (1 << 28)); break; case 6: - /* Bit 28 of b0d28f5 0x32c register correspnd to - * Root Ports 4:1. */ + /* + * Bit 28 of b0d28f5 0x32c register correspond to + * Root Ports 4:1. + */ do_aspm = !!(rpc.b0d28f5_32c & (1 << 28)); break; } @@ -538,16 +540,20 @@ static void pch_pcie_early(struct device *dev) case 2: case 3: case 4: - /* Bits 31:28 of b0d28f0 0x32c register correspnd to - * Root Ports 4:1. */ + /* + * Bits 31:28 of b0d28f0 0x32c register correspond to + * Root Ports 4:1. + */ do_aspm = !!(rpc.b0d28f0_32c & (1 << (28 + rp - 1))); break; case 5: case 6: case 7: case 8: - /* Bit 31:28 of b0d28f4 0x32c register correspnd to - * Root Ports 8:5. */ + /* + * Bits 31:28 of b0d28f4 0x32c register correspond to + * Root Ports 8:5. + */ do_aspm = !!(rpc.b0d28f4_32c & (1 << (28 + rp - 5))); break; } @@ -644,7 +650,7 @@ static void pch_pcie_early(struct device *dev) pci_or_config32(dev, 0x64, 1 << 11); pci_update_config32(dev, 0x68, ~(1 << 10), (1 << 10)); - pci_update_config32(dev, 0x318, ~(0xffffUL << 16), (0x1414UL << 16)); + pci_update_config32(dev, 0x318, ~(0xffff << 16), (0x1414 << 16)); /* Set L1 exit latency in LCAP register. */ if (!do_aspm && (pci_read_config8(dev, 0xf5) & 0x1)) @@ -692,7 +698,7 @@ static void pch_pcie_early(struct device *dev) pci_update_config32(dev, 0x90, ~0, 0); } -static void pci_init(struct device *dev) +static void pch_pcie_init(struct device *dev) { printk(BIOS_DEBUG, "Initializing PCH PCIe bridge.\n"); @@ -737,7 +743,7 @@ static struct device_operations device_ops = { .read_resources = pci_bus_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_bus_enable_resources, - .init = pci_init, + .init = pch_pcie_init, .enable = pch_pcie_enable, .scan_bus = pciexp_scan_bridge, .ops_pci = &pci_dev_ops_pci, |