1 files changed, 110 insertions, 0 deletions
diff --git a/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/pci.c b/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/pci.c
new file mode 100644
index 000000000..0281485c5
--- /dev/null
+++ b/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/pci.c
@@ -0,0 +1,110 @@
+/*
+ * RDC321x southbrige driver
+ *
+ * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+
+#include <asm/rdc321x_defs.h>
+
+static struct pci_dev *rdc321x_sb_pdev;
+
+/*
+ * Unlocked PCI configuration space accessors
+ */
+int rdc321x_pci_read(int reg, u32 *val)
+{
+	int err;
+
+	err = pci_read_config_dword(rdc321x_sb_pdev, reg, val);
+	if (err)
+		return err;
+
+	return err;
+}
+EXPORT_SYMBOL(rdc321x_pci_read);
+
+int rdc321x_pci_write(int reg, u32 val)
+{
+	int err;
+
+	err = pci_write_config_dword(rdc321x_sb_pdev, reg, val);
+	if (err)
+		return err;
+
+	return err;
+}
+EXPORT_SYMBOL(rdc321x_pci_write);
+
+static struct platform_device rdc321x_wdt_device = {
+	.name	= "rdc321x-wdt"
+};
+
+static struct platform_device rdc321x_gpio_device = {
+	.name	= "rdc321x-gpio"
+};
+
+static int __devinit rdc321x_sb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	int err;
+
+	err = pci_enable_device(pdev);
+	if (err) {
+		printk(KERN_ERR "failed to enable device\n");
+		return err;
+	}
+
+	rdc321x_sb_pdev = pdev;
+
+	err = platform_device_register(&rdc321x_wdt_device);
+	if (err) {
+		dev_err(&pdev->dev, "failed to register watchdog\n");
+		return err;
+	}
+
+	err = platform_device_register(&rdc321x_gpio_device);
+	if (err) {
+		dev_err(&pdev->dev, "failed to register gpiochip\n");
+		return err;
+	}
+	dev_info(&rdc321x_sb_pdev->dev, "RDC321x southhridge registered\n");
+
+	return err;
+}
+
+static struct pci_device_id rdc321x_sb_table[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) },
+	{}
+};
+
+static struct pci_driver rdc321x_sb_driver = {
+	.name = "RDC3210 Southbridge",
+	.id_table = rdc321x_sb_table,
+	.probe = rdc321x_sb_probe
+};
+
+static int __init rdc321x_sb_init(void)
+{
+	return pci_register_driver(&rdc321x_sb_driver);
+}
+
+device_initcall(rdc321x_sb_init);