[MIPS] TXx9: Support early_printk

Kill jmr3927-specific prom_putchar and add txx9-generic prom_putchar
to support early_printk.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/mips/txx9/rbtx4927/prom.c b/arch/mips/txx9/rbtx4927/prom.c
index 5c0de54ebdd2..1dc0a5b1956b 100644
--- a/arch/mips/txx9/rbtx4927/prom.c
+++ b/arch/mips/txx9/rbtx4927/prom.c
@@ -38,4 +38,5 @@ void __init rbtx4927_prom_init(void)
 {
         prom_init_cmdline();
         add_memory_region(0, tx4927_get_mem_size(), BOOT_MEM_RAM);
+        txx9_sio_putchar_init(TX4927_SIO_REG(0) & 0xfffffffffULL);
 }