MIPS: move mips_{set,get}_machine_name() to a more generic place

Previously this functionality was only available to users of the mips_machine
api. Moving the code to prom.c allows us to also add a OF wrapper.

Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5164/

1 files changed, 33 insertions, 0 deletions

diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 028f6f837ef9..5712bb532245 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -23,6 +23,23 @@
 #include <asm/page.h>
 #include <asm/prom.h>
 
+static char mips_machine_name[64] = "Unknown";
+
+__init void mips_set_machine_name(const char *name)
+{
+	if (name == NULL)
+		return;
+
+	strncpy(mips_machine_name, name, sizeof(mips_machine_name));
+	pr_info("MIPS: machine is %s\n", mips_get_machine_name());
+}
+
+char *mips_get_machine_name(void)
+{
+	return mips_machine_name;
+}
+
+#ifdef CONFIG_OF
 int __init early_init_dt_scan_memory_arch(unsigned long node,
 					  const char *uname, int depth,
 					  void *data)
@@ -50,6 +67,18 @@ void __init early_init_dt_setup_initrd_arch(unsigned long start,
 }
 #endif
 
+int __init early_init_dt_scan_model(unsigned long node,	const char *uname,
+				    int depth, void *data)
+{
+	if (!depth) {
+		char *model = of_get_flat_dt_prop(node, "model", NULL);
+
+		if (model)
+			mips_set_machine_name(model);
+	}
+	return 0;
+}
+
 void __init early_init_devtree(void *params)
 {
 	/* Setup flat device-tree pointer */
@@ -65,6 +94,9 @@ void __init early_init_devtree(void *params)
 	/* Scan memory nodes */
 	of_scan_flat_dt(early_init_dt_scan_root, NULL);
 	of_scan_flat_dt(early_init_dt_scan_memory_arch, NULL);
+
+	/* try to load the mips machine name */
+	of_scan_flat_dt(early_init_dt_scan_model, NULL);
 }
 
 void __init __dt_setup_arch(struct boot_param_header *bph)
@@ -79,3 +111,4 @@ void __init __dt_setup_arch(struct boot_param_header *bph)
 
 	early_init_devtree(initial_boot_params);
 }
+#endif