linux-kernel - [PATCH v7 07/14] arm/tegra: use PMC reset

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Message-ID: <1323875032-18221-8-git-send-email-pdeschrijver@nvidia.com>
Date:	Wed, 14 Dec 2011 17:03:19 +0200
From:	Peter De Schrijver <pdeschrijver@...dia.com>
To:	Peter De Schrijver <pdeschrijver@...dia.com>
CC:	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	Russell King <linux@....linux.org.uk>,
	Colin Cross <ccross@...roid.com>,
	Olof Johansson <olof@...om.net>,
	Stephen Warren <swarren@...dia.com>,
	Gary King <gking@...dia.com>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-tegra@...r.kernel.org>
Subject: [PATCH v7 07/14] arm/tegra: use PMC reset

Use PMC reset rather then CAR system reset as recommended by the hardware
team.

Signed-off-by: Peter De Schrijver <pdeschrijver@...dia.com>
---
 arch/arm/mach-tegra/common.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index d779e71..8da1847 100644
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -46,12 +46,11 @@ void __init tegra_dt_init_irq(void)
 
 void tegra_assert_system_reset(char mode, const char *cmd)
 {
-	void __iomem *reset = IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x04);
+	void __iomem *reset = IO_ADDRESS(TEGRA_PMC_BASE + 0);
 	u32 reg;
 
-	/* use *_related to avoid spinlock since caches are off */
 	reg = readl_relaxed(reset);
-	reg |= 0x04;
+	reg |= 0x10;
 	writel_relaxed(reg, reset);
 }
 
-- 
1.7.7.rc0.72.g4b5ea.dirty

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