1 files changed, 44 insertions, 2 deletions

diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c
index fe43e80772d..b51cbb9e87d 100644
--- a/arch/sparc/kernel/prom_32.c
+++ b/arch/sparc/kernel/prom_32.c
@@ -20,10 +20,11 @@
 #include <linux/string.h>
 #include <linux/mm.h>
 #include <linux/bootmem.h>
-#include <linux/module.h>
 
 #include <asm/prom.h>
 #include <asm/oplib.h>
+#include <asm/leon.h>
+#include <asm/leon_amba.h>
 
 #include "prom.h"
 
@@ -131,6 +132,46 @@ static void __init ebus_path_component(struct device_node *dp, char *tmp_buf)
 		regs->which_io, regs->phys_addr);
 }
 
+/* "name:vendor:device@irq,addrlo" */
+static void __init ambapp_path_component(struct device_node *dp, char *tmp_buf)
+{
+	struct amba_prom_registers *regs;
+	unsigned int *intr, *device, *vendor, reg0;
+	struct property *prop;
+	int interrupt = 0;
+
+	/* In order to get a unique ID in the device tree (multiple AMBA devices
+	 * may have the same name) the node number is printed
+	 */
+	prop = of_find_property(dp, "reg", NULL);
+	if (!prop) {
+		reg0 = (unsigned int)dp->phandle;
+	} else {
+		regs = prop->value;
+		reg0 = regs->phys_addr;
+	}
+
+	/* Not all cores have Interrupt */
+	prop = of_find_property(dp, "interrupts", NULL);
+	if (!prop)
+		intr = &interrupt; /* IRQ0 does not exist */
+	else
+		intr = prop->value;
+
+	prop = of_find_property(dp, "vendor", NULL);
+	if (!prop)
+		return;
+	vendor = prop->value;
+	prop = of_find_property(dp, "device", NULL);
+	if (!prop)
+		return;
+	device = prop->value;
+
+	sprintf(tmp_buf, "%s:%d:%d@%x,%x",
+		dp->name, *vendor, *device,
+		*intr, reg0);
+}
+
 static void __init __build_path_component(struct device_node *dp, char *tmp_buf)
 {
 	struct device_node *parent = dp->parent;
@@ -143,6 +184,8 @@ static void __init __build_path_component(struct device_node *dp, char *tmp_buf)
 			return sbus_path_component(dp, tmp_buf);
 		if (!strcmp(parent->type, "ebus"))
 			return ebus_path_component(dp, tmp_buf);
+		if (!strcmp(parent->type, "ambapp"))
+			return ambapp_path_component(dp, tmp_buf);
 
 		/* "isa" is handled with platform naming */
 	}
@@ -282,7 +325,6 @@ void __init of_console_init(void)
 			of_console_options = NULL;
 	}
 
-	prom_printf(msg, of_console_path);
 	printk(msg, of_console_path);
 }