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>
diff --git a/arch/ppc64/kernel/btext.c b/arch/ppc64/kernel/btext.c
index b6fbfbe..506a378 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 @@
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 c059805..c3ea73d 100644
--- a/arch/ppc64/kernel/pmac_setup.c
+++ b/arch/ppc64/kernel/pmac_setup.c
@@ -274,48 +274,6 @@
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 @@
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 b788502..44ee6eb 100644
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -585,6 +585,10 @@
*/
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 67aef0c..71cce36 100644
--- a/include/asm-ppc64/btext.h
+++ b/include/asm-ppc64/btext.h
@@ -15,6 +15,7 @@
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);