diff options
Diffstat (limited to 'src/soc/amd/stoneyridge/pci.c')
-rw-r--r-- | src/soc/amd/stoneyridge/pci.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/pci.c b/src/soc/amd/stoneyridge/pci.c new file mode 100644 index 0000000000..61d7a39a97 --- /dev/null +++ b/src/soc/amd/stoneyridge/pci.c @@ -0,0 +1,67 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2014 Sage Electronic Engineering, LLC. + * + * 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> +#include <device/pci_ops.h> +#include <soc/hudson.h> +#include <amd_pci_util.h> +#include <bootstate.h> + +static void pci_init(struct device *dev) +{ +} + +/* + * Update the PCI devices with a valid IRQ number + * that is set in the mainboard PCI_IRQ structures. + */ +static void set_pci_irqs(void *unused) +{ + /* Write PCI_INTR regs 0xC00/0xC01 */ + write_pci_int_table(); + + /* Write IRQs for all devicetree enabled devices */ + write_pci_cfg_irqs(); +} + +/* + * Hook this function into the PCI state machine + * on entry into BS_DEV_ENABLE. + */ +BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, set_pci_irqs, NULL); + +static struct pci_operations lops_pci = { + .set_subsystem = 0, +}; + +static struct device_operations pci_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, + .reset_bus = pci_bus_reset, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver pci_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_AMD_SB900_PCI, +}; |