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Diffstat (limited to 'arch/powerpc/platforms/512x/mpc512x_shared.c')
-rw-r--r--arch/powerpc/platforms/512x/mpc512x_shared.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index 434d683df5a..b7f518a60f0 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -21,9 +21,38 @@
#include <asm/ipic.h>
#include <asm/prom.h>
#include <asm/time.h>
+#include <asm/mpc5121.h>
#include "mpc512x.h"
+static struct mpc512x_reset_module __iomem *reset_module_base;
+
+static void __init mpc512x_restart_init(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-reset");
+ if (!np)
+ return;
+
+ reset_module_base = of_iomap(np, 0);
+ of_node_put(np);
+}
+
+void mpc512x_restart(char *cmd)
+{
+ if (reset_module_base) {
+ /* Enable software reset "RSTE" */
+ out_be32(&reset_module_base->rpr, 0x52535445);
+ /* Set software hard reset */
+ out_be32(&reset_module_base->rcr, 0x2);
+ } else {
+ pr_err("Restart module not mapped.\n");
+ }
+ for (;;)
+ ;
+}
+
void __init mpc512x_init_IRQ(void)
{
struct device_node *np;
@@ -53,8 +82,22 @@ static struct of_device_id __initdata of_bus_ids[] = {
void __init mpc512x_declare_of_platform_devices(void)
{
+ struct device_node *np;
+
if (of_platform_bus_probe(NULL, of_bus_ids, NULL))
printk(KERN_ERR __FILE__ ": "
"Error while probing of_platform bus\n");
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-nfc");
+ if (np) {
+ of_platform_device_create(np, NULL, NULL);
+ of_node_put(np);
+ }
}
+void __init mpc512x_init(void)
+{
+ mpc512x_declare_of_platform_devices();
+ mpc5121_clk_init();
+ mpc512x_restart_init();
+}