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author | Zheng Bao <zheng.bao@amd.com> | 2011-01-20 04:45:48 +0000 |
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committer | Zheng Bao <Zheng.Bao@amd.com> | 2011-01-20 04:45:48 +0000 |
commit | d098575b0e8440da33eceaf715967ea8273bbaf2 (patch) | |
tree | 10bb69008c6f512fa1bf9ac0563679ca63510471 /src/southbridge/amd/sb800/pcie.c | |
parent | dd676ddc54f8d210f9c62a0f6a259dd4482c9b1b (diff) | |
download | coreboot-d098575b0e8440da33eceaf715967ea8273bbaf2.tar.xz |
This sb800 code is derived from sb700.
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Acked-by: Stefan Reinauer <stepan@coreboot.org>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6277 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/amd/sb800/pcie.c')
-rw-r--r-- | src/southbridge/amd/sb800/pcie.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb800/pcie.c b/src/southbridge/amd/sb800/pcie.c new file mode 100644 index 0000000000..569c0f3378 --- /dev/null +++ b/src/southbridge/amd/sb800/pcie.c @@ -0,0 +1,75 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "sb800.h" + +static void pcie_init(struct device *dev) +{ + /* Enable pci error detecting */ + u32 dword; + + printk(BIOS_INFO, "pcie_init in rs780_ht.c\n"); + + /* System error enable */ + dword = pci_read_config32(dev, 0x04); + dword |= (1 << 8); /* System error enable */ + dword |= (1 << 30); /* Clear possible errors */ + pci_write_config32(dev, 0x04, dword); +} + +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 = pcie_init, + .scan_bus = pci_scan_bridge, + .reset_bus = pci_bus_reset, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver pciea_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB800_PCIEA, +}; + +static const struct pci_driver pcieb_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB800_PCIEB, +}; +static const struct pci_driver pciec_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB800_PCIEC, +}; +static const struct pci_driver pcied_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB800_PCIED, +}; |