sh: Add early printk support for SH770x CPUs.

This adds early printk support for SH770x (tested on SH7709 based hp6xx).

Signed-off-by: Rafael Ignacio Zurita <rizurita@yahoo.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 3 insertions, 4 deletions

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index a6dce41296e7..763b792b1611 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -43,6 +43,7 @@ config EARLY_SCIF_CONSOLE_PORT
         default "0xfffe8000" if CPU_SUBTYPE_SH7203
         default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263
         default "0xffe80000" if CPU_SH4
+        default "0xa4000150" if CPU_SH3
         default "0x00000000"
 
 config EARLY_PRINTK
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
index a952dcf9999d..64f2746baf91 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -134,7 +134,7 @@ static void scif_sercon_init(char *s)
         sci_out(&scif_port, SCFCR, 0x0030);     /* TTRG=b'11 */
         sci_out(&scif_port, SCSCR, 0x0030);     /* TE, RE */
 }
-#elif defined(CONFIG_CPU_SH4)
+#elif defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SH3)
 #define DEFAULT_BAUD 115200
 /*
  * Simple SCIF init, primarily aimed at SH7750 and other similar SH-4
@@ -220,11 +220,9 @@ static int __init setup_early_printk(char *buf)
                 early_console = &scif_console;
 
 #if !defined(CONFIG_SH_STANDARD_BIOS)
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SUBTYPE_SH7720) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7721)
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SH3)
                 scif_sercon_init(buf + 6);
 #endif
-#endif
         }
 #endif