aboutsummaryrefslogtreecommitdiff
path: root/src/southbridge/nvidia/mcp55/mcp55.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/southbridge/nvidia/mcp55/mcp55.c')
-rw-r--r--src/southbridge/nvidia/mcp55/mcp55.c234
1 files changed, 0 insertions, 234 deletions
diff --git a/src/southbridge/nvidia/mcp55/mcp55.c b/src/southbridge/nvidia/mcp55/mcp55.c
deleted file mode 100644
index db646cd659..0000000000
--- a/src/southbridge/nvidia/mcp55/mcp55.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2004 Tyan Computer
- * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
- * Copyright (C) 2006,2007 AMD
- * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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 <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include "mcp55.h"
-
-static u32 final_reg;
-
-static struct device *find_lpc_dev(struct device *dev, unsigned int devfn)
-{
- struct device *lpc_dev;
-
- lpc_dev = pcidev_path_behind(dev->bus, devfn);
-
- if (!lpc_dev)
- return lpc_dev;
-
- if ((lpc_dev->vendor != PCI_VENDOR_ID_NVIDIA) || (
- (lpc_dev->device < PCI_DEVICE_ID_NVIDIA_MCP55_LPC) ||
- (lpc_dev->device > PCI_DEVICE_ID_NVIDIA_MCP55_PRO)))
- {
- u32 id;
- id = pci_read_config32(lpc_dev, PCI_VENDOR_ID);
- if ((id < (PCI_VENDOR_ID_NVIDIA
- | (PCI_DEVICE_ID_NVIDIA_MCP55_LPC << 16))) ||
- (id > (PCI_VENDOR_ID_NVIDIA
- | (PCI_DEVICE_ID_NVIDIA_MCP55_PRO << 16))))
- {
- lpc_dev = 0;
- }
- }
-
- return lpc_dev;
-}
-
-void mcp55_enable(struct device *dev)
-{
- struct device *lpc_dev = NULL, *sm_dev = NULL;
- unsigned int index = 0, index2 = 0;
- u32 reg_old, reg;
- u8 byte;
- unsigned int deviceid, vendorid, devfn;
- int i;
-
- if (dev->device == 0x0000) {
- vendorid = pci_read_config32(dev, PCI_VENDOR_ID);
- deviceid = (vendorid >> 16) & 0xffff;
- } else {
- deviceid = dev->device;
- }
-
- devfn = (dev->path.pci.devfn) & ~7;
- switch (deviceid) {
- case PCI_DEVICE_ID_NVIDIA_MCP55_HT:
- return;
- case PCI_DEVICE_ID_NVIDIA_MCP55_SM2: //?
- index = 16;
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_USB:
- devfn -= (1 << 3);
- index = 8;
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_USB2:
- devfn -= (1 << 3);
- index = 20;
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_NIC: // two
- case PCI_DEVICE_ID_NVIDIA_MCP55_NIC_BRIDGE: // two
- devfn -= (7 << 3);
- index = 10;
- for (i = 0; i < 2; i++) {
- lpc_dev = find_lpc_dev(dev, devfn - (i << 3));
- if (!lpc_dev)
- continue;
- index -= i;
- devfn -= (i << 3);
- break;
- }
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_AZA:
- devfn -= (5 << 3);
- index = 11;
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_IDE:
- devfn -= (3 << 3);
- index = 14;
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_SATA0: // three
- case PCI_DEVICE_ID_NVIDIA_MCP55_SATA1: // three
- devfn -= (4 << 3);
- index = 22;
- i = (dev->path.pci.devfn) & 7;
- if (i > 0)
- index -= (i + 3);
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_PCI:
- devfn -= (5 << 3);
- index = 15;
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_A:
- devfn -= (0x9 << 3); // to LPC
- index2 = 9;
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_B_C: // two
- devfn -= (0xa << 3); // to LPC
- index2 = 8;
- for (i = 0; i < 2; i++) {
- lpc_dev = find_lpc_dev(dev, devfn - (i << 3));
- if (!lpc_dev)
- continue;
- index2 -= i;
- devfn -= (i << 3);
- break;
- }
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_D:
- devfn -= (0xc << 3); // to LPC
- index2 = 6;
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_E:
- devfn -= (0xd << 3); // to LPC
- index2 = 5;
- break;
- case PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_F:
- devfn -= (0xe << 3); // to LPC
- index2 = 4;
- break;
- default:
- index = 0;
- }
-
- if (!lpc_dev)
- lpc_dev = find_lpc_dev(dev, devfn);
-
- if (!lpc_dev)
- return;
-
- if (index2 != 0) {
- sm_dev = pcidev_path_behind(dev->bus, devfn + 1);
- if (!sm_dev)
- return;
- if (sm_dev) {
- reg_old = reg = pci_read_config32(sm_dev, 0xe4);
- if (!dev->enabled)
- reg |= (1<<index2); /* Disable it. */
- if (reg != reg_old)
- pci_write_config32(sm_dev, 0xe4, reg);
- }
- index2 = 0;
- return;
- }
-
- if (index == 0) { // for LPC
- /* Expose IOAPIC base. */
- byte = pci_read_config8(lpc_dev, 0x74);
- byte |= (1 << 1); /* Expose the BAR. */
- pci_write_config8(dev, 0x74, byte);
-
- /* Expose trap base. */
- byte = pci_read_config8(lpc_dev, 0xdd);
- byte |= (1 << 0) | (1 << 3); /* Expose BAR and enable write. */
- pci_write_config8(dev, 0xdd, byte);
-
- return;
- }
-
- if (index == 16) {
- sm_dev = pcidev_path_behind(dev->bus, devfn + 1);
- if (!sm_dev)
- return;
-
- final_reg = pci_read_config32(sm_dev, 0xe8);
- final_reg &= ~((1 << 16) | (1 << 8) | (1 << 20) | (1 << 14)
- | (1 << 22) | (1 << 18) | (1 << 17) | (1 << 15)
- | (1 << 11) | (1 << 10) | (1 << 9));
- pci_write_config32(sm_dev, 0xe8, final_reg); /* Enable all at first. */
-
- }
-
- if (!dev->enabled) {
- final_reg |= (1 << index); /* Disable it. */
- /*
- * The reason for using final_reg is that if func 1 is disabled,
- * then func 2 will become func 1.
- * Because of this, we need loop through disabling them all at
- * the same time.
- */
- }
-
- /* NIC1 is the final, we need update final reg to 0xe8. */
- if (index == 9) {
- sm_dev = pcidev_path_behind(dev->bus, devfn + 1);
- if (!sm_dev)
- return;
- reg_old = pci_read_config32(sm_dev, 0xe8);
- if (final_reg != reg_old)
- pci_write_config32(sm_dev, 0xe8, final_reg);
- }
-}
-
-static void mcp55_set_subsystem(struct device *dev, unsigned int vendor,
- unsigned int device)
-{
- pci_write_config32(dev, 0x40,
- ((device & 0xffff) << 16) | (vendor & 0xffff));
-}
-
-struct pci_operations mcp55_pci_ops = {
- .set_subsystem = mcp55_set_subsystem,
-};
-
-struct chip_operations southbridge_nvidia_mcp55_ops = {
- CHIP_NAME("NVIDIA MCP55 Southbridge")
- .enable_dev = mcp55_enable,
-};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-16 09:19:38 +0000