[backfire] targets: rename "files-2.6.x" directories to "files"
[openwrt/svn-archive/archive.git] / target / linux / rdc / files / arch / x86 / mach-rdc321x / pci.c
diff --git a/target/linux/rdc/files/arch/x86/mach-rdc321x/pci.c b/target/linux/rdc/files/arch/x86/mach-rdc321x/pci.c
new file mode 100644 (file)
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@@ -0,0 +1,112 @@
+/*
+ * 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;
+       }
+
+       panic_on_unrecovered_nmi = 1;
+
+       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);