1 files changed, 103 insertions, 0 deletions
diff --git a/arch/ppc/syslib/ppc_sys.c b/arch/ppc/syslib/ppc_sys.c
new file mode 100644
index 000000000000..879202352560
--- /dev/null
+++ b/arch/ppc/syslib/ppc_sys.c
@@ -0,0 +1,103 @@
+/*
+ * arch/ppc/syslib/ppc_sys.c
+ *
+ * PPC System library functions
+ *
+ * Maintainer: Kumar Gala <kumar.gala@freescale.com>
+ *
+ * Copyright 2005 Freescale Semiconductor Inc.
+ *
+ * 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.
+ */
+
+#include <asm/ppc_sys.h>
+
+int (*ppc_sys_device_fixup) (struct platform_device * pdev);
+
+static int ppc_sys_inited;
+
+void __init identify_ppc_sys_by_id(u32 id)
+{
+	unsigned int i = 0;
+	while (1) {
+		if ((ppc_sys_specs[i].mask & id) == ppc_sys_specs[i].value)
+			break;
+		i++;
+	}
+
+	cur_ppc_sys_spec = &ppc_sys_specs[i];
+
+	return;
+}
+
+void __init identify_ppc_sys_by_name(char *name)
+{
+	/* TODO */
+	return;
+}
+
+/* Update all memory resources by paddr, call before platform_device_register */
+void __init
+ppc_sys_fixup_mem_resource(struct platform_device *pdev, phys_addr_t paddr)
+{
+	int i;
+	for (i = 0; i < pdev->num_resources; i++) {
+		struct resource *r = &pdev->resource[i];
+		if ((r->flags & IORESOURCE_MEM) == IORESOURCE_MEM) {
+			r->start += paddr;
+			r->end += paddr;
+		}
+	}
+}
+
+/* Get platform_data pointer out of platform device, call before platform_device_register */
+void *__init ppc_sys_get_pdata(enum ppc_sys_devices dev)
+{
+	return ppc_sys_platform_devices[dev].dev.platform_data;
+}
+
+void ppc_sys_device_remove(enum ppc_sys_devices dev)
+{
+	unsigned int i;
+
+	if (ppc_sys_inited) {
+		platform_device_unregister(&ppc_sys_platform_devices[dev]);
+	} else {
+		if (cur_ppc_sys_spec == NULL)
+			return;
+		for (i = 0; i < cur_ppc_sys_spec->num_devices; i++)
+			if (cur_ppc_sys_spec->device_list[i] == dev)
+				cur_ppc_sys_spec->device_list[i] = -1;
+	}
+}
+
+static int __init ppc_sys_init(void)
+{
+	unsigned int i, dev_id, ret = 0;
+
+	BUG_ON(cur_ppc_sys_spec == NULL);
+
+	for (i = 0; i < cur_ppc_sys_spec->num_devices; i++) {
+		dev_id = cur_ppc_sys_spec->device_list[i];
+		if (dev_id != -1) {
+			if (ppc_sys_device_fixup != NULL)
+				ppc_sys_device_fixup(&ppc_sys_platform_devices
+						     [dev_id]);
+			if (platform_device_register
+			    (&ppc_sys_platform_devices[dev_id])) {
+				ret = 1;
+				printk(KERN_ERR
+				       "unable to register device %d\n",
+				       dev_id);
+			}
+		}
+	}
+
+	ppc_sys_inited = 1;
+	return ret;
+}
+
+subsys_initcall(ppc_sys_init);