first round name simplification. drop the <component>_ prefix.

the prefix was introduced in the early v2 tree many years ago
because our old build system "newconfig" could not handle two files with
the same name in different paths like /path/to/usb.c and
/another/path/to/usb.c correctly. Only one of the files would end up
being compiled into the final image.

Since Kconfig (actually since shortly before we switched to Kconfig) we
don't suffer from that problem anymore. So we could drop the sb700_
prefix from all those filenames (or, the <componentname>_ prefix in general)

- makes it easier to fork off a new chipset
- makes it easier to diff against other chipsets
- storing redundant information in filenames seems wrong

Signed-off-by: <stepan@coresystems.de>

Acked-by: Patrick Georgi <patrick@georgi-clan.de>
Acked-by: Peter Stuge <peter@stuge.se>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6149 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 87 insertions, 0 deletions

diff --git a/src/southbridge/nvidia/mcp55/early_smbus.c b/src/southbridge/nvidia/mcp55/early_smbus.c
new file mode 100644
index 0000000000..b351b58022
--- /dev/null
+++ b/src/southbridge/nvidia/mcp55/early_smbus.c
@@ -0,0 +1,87 @@
+/*
+ * 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.
+ *
+ * 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 "smbus.h"
+
+#define SMBUS0_IO_BASE	0x1000
+#define SMBUS1_IO_BASE	(0x1000+(1<<8))
+/*SIZE 0x40 */
+
+static void enable_smbus(void)
+{
+	device_t dev;
+	dev = pci_locate_device(PCI_ID(0x10de, 0x0368), 0);
+
+	if (dev == PCI_DEV_INVALID)
+		die("SMBus controller not found\n");
+
+	/* set smbus iobase */
+	pci_write_config32(dev, 0x20, SMBUS0_IO_BASE | 1);
+	pci_write_config32(dev, 0x24, SMBUS1_IO_BASE | 1);
+	/* Set smbus iospace enable */
+	pci_write_config16(dev, 0x4, 0x01);
+	/* clear any lingering errors, so the transaction will run */
+	outb(inb(SMBUS0_IO_BASE + SMBHSTSTAT), SMBUS0_IO_BASE + SMBHSTSTAT);
+	outb(inb(SMBUS1_IO_BASE + SMBHSTSTAT), SMBUS1_IO_BASE + SMBHSTSTAT);
+}
+
+static inline int smbus_recv_byte(unsigned device)
+{
+	return do_smbus_recv_byte(SMBUS0_IO_BASE, device);
+}
+
+static inline int smbus_send_byte(unsigned device, unsigned char val)
+{
+	return do_smbus_send_byte(SMBUS0_IO_BASE, device, val);
+}
+
+static inline int smbus_read_byte(unsigned device, unsigned address)
+{
+	return do_smbus_read_byte(SMBUS0_IO_BASE, device, address);
+}
+
+static inline int smbus_write_byte(unsigned device, unsigned address, unsigned char val)
+{
+	return do_smbus_write_byte(SMBUS0_IO_BASE, device, address, val);
+}
+
+static inline int smbusx_recv_byte(unsigned smb_index, unsigned device)
+{
+	return do_smbus_recv_byte(SMBUS0_IO_BASE + (smb_index<<8), device);
+}
+
+static inline int smbusx_send_byte(unsigned smb_index, unsigned device, unsigned char val)
+{
+	return do_smbus_send_byte(SMBUS0_IO_BASE + (smb_index<<8), device, val);
+}
+
+static inline int smbusx_read_byte(unsigned smb_index, unsigned device, unsigned address)
+{
+	return do_smbus_read_byte(SMBUS0_IO_BASE + (smb_index<<8), device, address);
+}
+
+static inline int smbusx_write_byte(unsigned smb_index, unsigned device, unsigned address, unsigned char val)
+{
+	return do_smbus_write_byte(SMBUS0_IO_BASE + (smb_index<<8), device, address, val);
+}
+