Index: sys/conf/options.powerpc
===================================================================
--- sys/conf/options.powerpc
+++ sys/conf/options.powerpc
@@ -12,6 +12,8 @@
 
 FPU_EMU
 
+EARLY_UART_PA		opt_global.h
+EARLY_UART_VA		opt_global.h
 COMPAT_FREEBSD32	opt_compat.h
 
 GFB_DEBUG		opt_gfb.h
Index: sys/kern/kern_cons.c
===================================================================
--- sys/kern/kern_cons.c
+++ sys/kern/kern_cons.c
@@ -162,6 +162,7 @@
 	 * Release early console.
 	 */
 	early_putc = NULL;
+	early_getc = NULL;
 #endif
 }
 
@@ -389,7 +390,14 @@
 cngetc(void)
 {
 	int c;
-
+#ifdef EARLY_PRINTF
+	if (early_getc != NULL) {
+		c = early_getc();
+		if (c == '\r')
+			c = '\n';
+		return c;
+	}
+#endif
 	if (cn_mute)
 		return (-1);
 	while ((c = cncheckc()) == -1)
@@ -405,7 +413,14 @@
 	struct cn_device *cnd;
 	struct consdev *cn;
 	int c;
-
+#ifdef EARLY_PRINTF
+	if (early_getc != NULL) {
+		c = early_getc();
+		if (c == '\r')
+			c = '\n';
+		return c;
+	}
+#endif
 	if (cn_mute)
 		return (-1);
 	STAILQ_FOREACH(cnd, &cn_devlist, cnd_next) {
Index: sys/powerpc/booke/pmap.c
===================================================================
--- sys/powerpc/booke/pmap.c
+++ sys/powerpc/booke/pmap.c
@@ -3415,6 +3415,10 @@
 	tsz = (mas1 & MAS1_TSIZE_MASK) >> MAS1_TSIZE_SHIFT;
 	kernsize += (tsz > 0) ? tsize2size(tsz) : 0;
 
+#if defined (EARLY_PRINTF)
+	tlb1_set_entry(EARLY_UART_VA, EARLY_UART_PA,
+		PAGE_SIZE, _TLB_ENTRY_SHARED | _TLB_ENTRY_IO);
+#endif
 	/* Setup TLB miss defaults */
 	set_mas4_defaults();
 }
Index: sys/powerpc/mpc85xx/platform_mpc85xx.c
===================================================================
--- sys/powerpc/mpc85xx/platform_mpc85xx.c
+++ sys/powerpc/mpc85xx/platform_mpc85xx.c
@@ -80,6 +80,11 @@
 extern uint32_t *bootinfo;
 vm_offset_t ccsrbar_va;
 
+#if defined(EARLY_PRINTF)
+void mpc85xx_early_putc(int c);
+int mpc85xx_early_getc(void);
+#endif
+
 static int cpu, maxcpu;
 
 static int mpc85xx_probe(platform_t);
@@ -567,3 +572,33 @@
 
 	return (0);
 }
+
+#if defined(EARLY_PRINTF)
+void
+mpc85xx_early_putc(int c)
+{
+	int limit;
+	static vm_offset_t ccsr = EARLY_UART_VA;
+
+	limit = 250000;
+	while ((*(volatile uint8_t*)(ccsr + 0x505)& 0x20) == 0 && --limit)
+		DELAY(4);
+	*(volatile uint8_t *)(ccsr + 0x500) = c;
+	limit = 250000;
+	while ((*(volatile uint8_t *)(ccsr + 0x505) & 0x40) == 0 && --limit)
+		DELAY(4);
+}
+
+int
+mpc85xx_early_getc(void)
+{
+	static vm_offset_t ccsr = EARLY_UART_VA;
+
+	while ((*(volatile uint8_t *)(ccsr + 0x505) & 0x1) == 0)
+		DELAY(100);
+	return *(volatile uint8_t *)(ccsr + 0x500);
+}
+
+early_putc_t *early_putc = mpc85xx_early_putc;
+early_getc_t *early_getc = mpc85xx_early_getc;
+#endif
Index: sys/sys/systm.h
===================================================================
--- sys/sys/systm.h
+++ sys/sys/systm.h
@@ -208,6 +208,8 @@
 #ifdef  EARLY_PRINTF
 typedef void early_putc_t(int ch);
 extern early_putc_t *early_putc;
+typedef int early_getc_t(void);
+extern early_getc_t *early_getc;
 #endif
 int	kvprintf(char const *, void (*)(int, void*), void *, int,
 	    __va_list) __printflike(1, 0);