s5pc1xx: show the kmsg dump

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/board/samsung/universal_c110/universal.c b/board/samsung/universal_c110/universal.c
index 8a29226..3ed781b 100644 (file)
--- a/board/samsung/universal_c110/universal.c
+++ b/board/samsung/universal_c110/universal.c
@@ -2458,9 +2458,39 @@ static void setup_meminfo(void)
        setenv("meminfo", meminfo);
 }
 
+#define KMSG_SIZE      0x1000
+#define KMSG_ADDRESS   0xED000000
+
+static void show_dump_msg(void)
+{
+       int status = get_reset_status();
+       long *msg_header = (long *)KMSG_ADDRESS;
+       char msg[KMSG_SIZE];
+       int i;
+
+       if (status != SWRESET)
+               return;
+
+       if (*msg_header != 0x3d3d3d3d)
+               return;
+
+       memcpy(msg, KMSG_ADDRESS, KMSG_SIZE);
+
+       printf("\n\n", msg);
+       for (i = 0; i < KMSG_SIZE; i++) {
+               printf("%c", msg[i]);
+       }
+       printf("\n\n");
+
+       memset(KMSG_ADDRESS, 0x0, KMSG_SIZE);
+
+       setenv("bootdelay", "-1");
+}
+
 int misc_init_r(void)
 {
        check_reset_status();
+       show_dump_msg();
 
        /* Architecture Common settings */
        if (cpu_is_s5pc110()) {