diff options
Diffstat (limited to 'src/soc/intel/sch/pcie.c')
-rw-r--r-- | src/soc/intel/sch/pcie.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/src/soc/intel/sch/pcie.c b/src/soc/intel/sch/pcie.c deleted file mode 100644 index 6ad5345f8a..0000000000 --- a/src/soc/intel/sch/pcie.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008-2009 coresystems GmbH - * Copyright (C) 2009-2010 iWave Systems - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> - -static void pci_init(struct device *dev) -{ - u16 reg16; - u32 reg32; - - printk(BIOS_DEBUG, "Initializing SCH PCIe bridge.\n"); - - /* Enable Bus Master */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_MASTER; - pci_write_config32(dev, PCI_COMMAND, reg32); - - /* Set Cache Line Size to 0x10 */ - // This has no effect but the OS might expect it - pci_write_config8(dev, 0x0c, 0x10); - //pci_write_config32(dev, 0x18, 0x11); - - //reg16 = pci_read_config16(dev, 0x3e); - //reg16 &= ~(1 << 0); /* disable parity error response */ - // reg16 &= ~(1 << 1); /* disable SERR */ - //reg16 |= (1 << 2); /* ISA enable */ - //pci_write_config16(dev, 0x3e, reg16); - /* Slot implemented. */ - reg16 = pci_read_config16(dev, 0x42); - reg16 |= (1 << 8); - pci_write_config16(dev, 0x42, reg16); - - reg16 = pci_read_config16(dev, 0x48); - reg16 |= 0xf; - pci_write_config16(dev, 0x48, reg16); -} - -static void pcie_set_subsystem(device_t dev, unsigned vendor, unsigned device) -{ - /* NOTE: This is not the default position! */ - if (!vendor || !device) { - pci_write_config32(dev, 0x94, pci_read_config32(dev, 0)); - } else { - pci_write_config32(dev, 0x94, - ((device & 0xffff) << 16) | (vendor & 0xffff)); - } -} - -static struct pci_operations pci_ops = { - .set_subsystem = pcie_set_subsystem, -}; - -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, - .scan_bus = pci_scan_bridge, - .ops_pci = &pci_ops, -}; - -/* Port 1 */ -static const struct pci_driver sch_pcie_port1 __pci_driver = { - .ops = &device_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x8110, -}; - -/*Port 2 */ -static const struct pci_driver sch_pcie_port2 __pci_driver = { - .ops = &device_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x8112, -}; |