[coreboot] r741 - coreboot-v3/southbridge/nvidia/mcp55

Author: rminnich
Date: 2008-08-11 18:09:02 +0200 (Mon, 11 Aug 2008)
New Revision: 741

Added:
   coreboot-v3/southbridge/nvidia/mcp55/pci.c
Log:
compiles with no errors.
Add pci device. This compiles with no errors, no warnings.
Signed-off-by: Ronald G. Minnich

With the comments addressed:
Acked-by: Carl-Daniel Hailfinger

I left the #if 1 in. It was there for a reason, we just don't know what it was. 
I am reluctant to move such 'markers' at present.

Added: coreboot-v3/southbridge/nvidia/mcp55/pci.c
===================================================================
--- coreboot-v3/southbridge/nvidia/mcp55/pci.c	                        (rev 0)
+++ coreboot-v3/southbridge/nvidia/mcp55/pci.c	2008-08-11 16:09:02 UTC (rev 741)
@@ -0,0 +1,103 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2004 Tyan Computer
+ * Written by Yinghai Lu  for Tyan Computer.
+ * Copyright (C) 2006,2007 AMD
+ * Written by Yinghai Lu  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.
+ *
+ * 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 <types.h>
+#include <lib.h>
+#include <console.h>
+#include <device/pci.h>
+#include <msr.h>
+#include <legacy.h>
+#include <device/pci_ids.h>
+#include <statictree.h>
+#include <config.h>
+#include "mcp55.h"
+
+static void pci_init(struct device *dev)
+{
+
+	u32 dword;
+	u16 word;
+#ifdef CONFIG_PCI_64BIT_PREF_MEM
+	struct device pci_domain_dev;
+	struct resource *mem1, *mem2;
+#endif
+
+	/* 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);
+
+#if 1
+	//only need (a01,xx]
+	word = pci_read_config16(dev, 0x48);
+	word |= (1<<0); /* MRL2MRM */
+	word |= (1<<2); /* MR2MRM */
+	pci_write_config16(dev, 0x48, word);
+#endif
+
+#if 1
+	dword = pci_read_config32(dev, 0x4c);
+	dword |= 0x00440000; /*TABORT_SER_ENABLE Park Last Enable.*/
+	pci_write_config32(dev, 0x4c, dword);
+#endif
+
+#ifdef CONFIG_PCI_64BIT_PREF_MEM
+	pci_domain_dev = dev->bus->dev;
+	while(pci_domain_dev) {
+		if(pci_domain_dev->path.type == DEVICE_PATH_PCI_DOMAIN) break;
+		pci_domain_dev = pci_domain_dev->bus->dev;
+	}
+
+	if(!pci_domain_dev) return; // impossiable
+	mem1 = find_resource(pci_domain_dev, 1); // prefmem, it could be 64bit
+	mem2 = find_resource(pci_domain_dev, 2); // mem
+	if(mem1->base > mem2->base) {
+		dword = mem2->base  & (0xffff0000UL);
+		printk(BIOS_DEBUG, "PCI DOMAIN mem2 base = 0x%010Lx\n", mem2->base);
+	} else {
+		dword = mem1->base  & (0xffff0000UL);
+		printk(BIOS_DEBUG, "PCI DOMAIN mem1 (prefmem) base = 0x%010Lx\n", mem1->base);
+	}
+#else
+	dword = dev_root.resource[1].base & (0xffff0000UL);
+	printk(BIOS_DEBUG, "dev_root mem base = 0x%010Lx\n", dev_root.resource[1].base);
+#endif
+	printk(BIOS_DEBUG, "[0x50] <-- 0x%08x\n", dword);
+	pci_write_config32(dev, 0x50, dword); //TOM
+
+}
+
+struct device_operations mcp55_pci = {
+	.id = {.type = DEVICE_ID_PCI,
+		{.pci = {.vendor = PCI_VENDOR_ID_NVIDIA,
+			      .device = PCI_DEVICE_ID_NVIDIA_MCP55_PCI}}},
+	.constructor		 = default_device_constructor,
+	.reset_bus		= pci_bus_reset,
+	.phase3_scan		 = pci_scan_bridge,
+	.phase4_read_resources	 = pci_dev_read_resources,
+	.phase4_set_resources	 = pci_dev_set_resources,
+	.phase5_enable_resources = pci_bus_enable_resources,
+	.phase6_init		 = pci_init,
+	.ops_pci		 = &pci_dev_ops_pci,
+};