MIPS: ath79: add early_printk support for AR934X

The patch allows to see kernel messages on AR934X SoCs in
early boot stage.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Cc: linux-mips@linux-mips.org
Cc: mcgrof@infradead.org
Patchwork: https://patchwork.linux-mips.org/patch/3504/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/ath79/early_printk.c b/arch/mips/ath79/early_printk.c
index 6a51ced7a293fe840351d1e7b0ff5f467784a334..dc938cb2ba58f13d320d67b169eed69636cc5ed8 100644 (file)
--- a/arch/mips/ath79/early_printk.c
+++ b/arch/mips/ath79/early_printk.c
@@ -71,6 +71,9 @@ static void prom_putchar_init(void)
        case REV_ID_MAJOR_AR7241:
        case REV_ID_MAJOR_AR7242:
        case REV_ID_MAJOR_AR913X:
+       case REV_ID_MAJOR_AR9341:
+       case REV_ID_MAJOR_AR9342:
+       case REV_ID_MAJOR_AR9344:
                _prom_putchar = prom_putchar_ar71xx;
                break;
 

diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
index 2f0becb4ec8f490283ce1c22e1af3ae44d05c0f7..b7df674947954364f1545eee0692142a1f85218a 100644 (file)
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -1,10 +1,11 @@
 /*
  *  Atheros AR71XX/AR724X/AR913X SoC register definitions
  *
+ *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
  *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *
- *  Parts of this file are based on Atheros' 2.6.15 BSP
+ *  Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP
  *
  *  This program is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License version 2 as published
@@ -249,6 +250,9 @@
 #define REV_ID_MAJOR_AR7242            0x1100
 #define REV_ID_MAJOR_AR9330            0x0110
 #define REV_ID_MAJOR_AR9331            0x1110
+#define REV_ID_MAJOR_AR9341            0x0120
+#define REV_ID_MAJOR_AR9342            0x1120
+#define REV_ID_MAJOR_AR9344            0x2120
 
 #define AR71XX_REV_ID_MINOR_MASK       0x3
 #define AR71XX_REV_ID_MINOR_AR7130     0x0