ppc64: Rearrange btext initialization for consistency with ppc32

Moved init_boot_display from arch/ppc64/kernel/pmac_setup.c to
arch/ppc64/kernel/btext.c and declared it in asm-ppc64/btext.h.
Call it from init_early rather than pmac_init_early.

Signed-off-by: Paul Mackerras <paulus@samba.org>

4 files changed, 47 insertions, 49 deletions

diff --git a/arch/ppc64/kernel/btext.c b/arch/ppc64/kernel/btext.c
index b6fbfbe9032d..506a37885c5c 100644
--- a/arch/ppc64/kernel/btext.c
+++ b/arch/ppc64/kernel/btext.c
@@ -18,6 +18,7 @@
 #include <asm/io.h>
 #include <asm/lmb.h>
 #include <asm/processor.h>
+#include <asm/udbg.h>
 
 #undef NO_SCROLL
 
@@ -131,6 +132,47 @@ int btext_initialize(struct device_node *np)
         return 0;
 }
 
+static void btext_putc(unsigned char c)
+{
+        btext_drawchar(c);
+}
+
+void __init init_boot_display(void)
+{
+        char *name;
+        struct device_node *np = NULL; 
+        int rc = -ENODEV;
+
+        printk("trying to initialize btext ...\n");
+
+        name = (char *)get_property(of_chosen, "linux,stdout-path", NULL);
+        if (name != NULL) {
+                np = of_find_node_by_path(name);
+                if (np != NULL) {
+                        if (strcmp(np->type, "display") != 0) {
+                                printk("boot stdout isn't a display !\n");
+                                of_node_put(np);
+                                np = NULL;
+                        }
+                }
+        }
+        if (np)
+                rc = btext_initialize(np);
+        if (rc) {
+                for (np = NULL; (np = of_find_node_by_type(np, "display"));) {
+                        if (get_property(np, "linux,opened", NULL)) {
+                                printk("trying %s ...\n", np->full_name);
+                                rc = btext_initialize(np);
+                                printk("result: %d\n", rc);
+                        }
+                        if (rc == 0)
+                                break;
+                }
+        }
+        if (rc == 0 && udbg_putc == NULL)
+                udbg_putc = btext_putc;
+}
+
 
 /* Calc the base address of a given point (x,y) */
 static unsigned char * calc_base(int x, int y)
diff --git a/arch/ppc64/kernel/pmac_setup.c b/arch/ppc64/kernel/pmac_setup.c
index c059805d8cce..c3ea73df937d 100644
--- a/arch/ppc64/kernel/pmac_setup.c
+++ b/arch/ppc64/kernel/pmac_setup.c
@@ -274,48 +274,6 @@ static void pmac_halt(void)
         pmac_power_off();
 }
 
-#ifdef CONFIG_BOOTX_TEXT
-static void btext_putc(unsigned char c)
-{
-        btext_drawchar(c);
-}
-
-static void __init init_boot_display(void)
-{
-        char *name;
-        struct device_node *np = NULL; 
-        int rc = -ENODEV;
-
-        printk("trying to initialize btext ...\n");
-
-        name = (char *)get_property(of_chosen, "linux,stdout-path", NULL);
-        if (name != NULL) {
-                np = of_find_node_by_path(name);
-                if (np != NULL) {
-                        if (strcmp(np->type, "display") != 0) {
-                                printk("boot stdout isn't a display !\n");
-                                of_node_put(np);
-                                np = NULL;
-                        }
-                }
-        }
-        if (np)
-                rc = btext_initialize(np);
-        if (rc == 0)
-                return;
-
-        for (np = NULL; (np = of_find_node_by_type(np, "display"));) {
-                if (get_property(np, "linux,opened", NULL)) {
-                        printk("trying %s ...\n", np->full_name);
-                        rc = btext_initialize(np);
-                        printk("result: %d\n", rc);
-                }
-                if (rc == 0)
-                        return;
-        }
-}
-#endif /* CONFIG_BOOTX_TEXT */
-
 /* 
  * Early initialization.
  */
@@ -333,13 +291,6 @@ static void __init pmac_init_early(void)
                 sccdbg = 1;
                 udbg_init_scc(NULL);
         }
-#ifdef CONFIG_BOOTX_TEXT
-        else {
-                init_boot_display();
-
-                udbg_putc = btext_putc;
-        }
-#endif /* CONFIG_BOOTX_TEXT */
 
         /* Setup interrupt mapping options */
         ppc64_interrupt_controller = IC_OPEN_PIC;
diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c
index b7885028fcf1..44ee6ebe9a60 100644
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -585,6 +585,10 @@ void __init setup_system(void)
          */
         finish_device_tree();
 
+#ifdef CONFIG_BOOTX_TEXT
+        init_boot_display();
+#endif
+
         /*
          * Initialize xmon
          */
diff --git a/include/asm-ppc64/btext.h b/include/asm-ppc64/btext.h
index 67aef0cc72c0..71cce36bc630 100644
--- a/include/asm-ppc64/btext.h
+++ b/include/asm-ppc64/btext.h
@@ -15,6 +15,7 @@ extern int boot_text_mapped;
 extern int btext_initialize(struct device_node *np);
 
 extern void map_boot_text(void);
+extern void init_boot_display(void);
 extern void btext_update_display(unsigned long phys, int width, int height,
                                  int depth, int pitch);