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Commit 703327dd authored by Gabor Juhos's avatar Gabor Juhos Committed by Ralf Baechle
Browse files

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: default avatarGabor Juhos <juhosg@openwrt.org>
Acked-by: default avatarLuis 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: default avatarRalf Baechle <ralf@linux-mips.org>
parent e9b62e8e

arch/mips/ath79/early_printk.c

+3 −0
Original line number Diff line number Diff line
@@ -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;

arch/mips/include/asm/mach-ath79/ar71xx_regs.h

+5 −1
Original line number Diff line number Diff line 
/*

 *  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