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-rw-r--r--arch/powerpc/kernel/btext.c9
-rw-r--r--arch/powerpc/kernel/setup_32.c8
-rw-r--r--arch/powerpc/kernel/udbg.c2
3 files changed, 13 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 93f21aaf7c8..3678997339d 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -18,6 +18,7 @@
#include <asm/io.h>
#include <asm/lmb.h>
#include <asm/processor.h>
+#include <asm/udbg.h>
#define NO_SCROLL
@@ -912,3 +913,11 @@ static unsigned char vga_font[cmapsz] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
+
+void __init udbg_init_btext(void)
+{
+ /* If btext is enabled, we might have a BAT setup for early display,
+ * thus we do enable some very basic udbg output
+ */
+ udbg_putc = btext_drawchar;
+}
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index 6a19fa40dce..44a6a3c47fe 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -116,12 +116,8 @@ unsigned long __init early_init(unsigned long dt_ptr)
*/
void __init machine_init(unsigned long dt_ptr, unsigned long phys)
{
- /* If btext is enabled, we might have a BAT setup for early display,
- * thus we do enable some very basic udbg output
- */
-#ifdef CONFIG_BOOTX_TEXT
- udbg_putc = btext_drawchar;
-#endif
+ /* Enable early debugging if any specified (see udbg.h) */
+ udbg_early_init();
/* Do some early initialization based on the flat device tree */
early_init_devtree(__va(dt_ptr));
diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c
index 194a93eeb3e..7e0971868fc 100644
--- a/arch/powerpc/kernel/udbg.c
+++ b/arch/powerpc/kernel/udbg.c
@@ -49,6 +49,8 @@ void __init udbg_early_init(void)
udbg_init_debug_beat();
#elif defined(CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE)
udbg_init_pas_realmode();
+#elif defined(CONFIG_BOOTX_TEXT)
+ udbg_init_btext();
#endif
}