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MIPS: ath79: add early_printk support for AR934X

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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>
This commit is contained in:
Gabor Juhos 2012-03-14 10:45:19 +01:00 committed by Ralf Baechle
parent e9b62e8ef9
commit 703327ddcc
2 changed files with 8 additions and 1 deletions
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3
arch/mips/ath79/early_printk.c
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@ -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;

6
arch/mips/include/asm/mach-ath79/ar71xx_regs.h
View File

@ -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