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From: Jan Luebbe <jlu@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 3/3] ARM: i.MX6: gate PCIe when unused
Date: Tue, 20 Sep 2016 10:17:42 +0200	[thread overview]
Message-ID: <1474359462-32142-3-git-send-email-jlu@pengutronix.de> (raw)
In-Reply-To: <1474359462-32142-1-git-send-email-jlu@pengutronix.de>

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
---
 arch/arm/mach-imx/clk-imx6.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/clk-imx6.c b/arch/arm/mach-imx/clk-imx6.c
index 26dfd1a7e16b..8ac43bebb075 100644
--- a/arch/arm/mach-imx/clk-imx6.c
+++ b/arch/arm/mach-imx/clk-imx6.c
@@ -498,7 +498,10 @@ static int imx6_ccm_probe(struct device_d *dev)
 		writel(0x3fffffff, ccm_base + CCGR3); /* gate OpenVG */
 	else
 		writel(0x3fff0000, ccm_base + CCGR3); /* gate OpenVG, LDB, IPU1, IPU2 */
-	writel(0xffffffff, ccm_base + CCGR4);
+	if (IS_ENABLED(CONFIG_PCI_IMX6))
+		writel(0xffffffff, ccm_base + CCGR4);
+	else
+		writel(0xfffffffc, ccm_base + CCGR4); /* gate PCIe */
 	writel(0xffffffff, ccm_base + CCGR5);
 	writel(0xffff3fff, ccm_base + CCGR6); /* gate VPU */
 	writel(0xffffffff, ccm_base + CCGR7);
-- 
2.1.4


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  parent reply	other threads:[~2016-09-20  8:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-20  8:17 [PATCH 1/3] ARM: i.MX6: remove duplicate clock initialization Jan Luebbe
2016-09-20  8:17 ` [PATCH 2/3] ARM: i.MX6: fix clock gating Jan Luebbe
2016-09-20  8:17 ` Jan Luebbe [this message]
2016-09-21  8:12 ` [PATCH 1/3] ARM: i.MX6: remove duplicate clock initialization Sascha Hauer

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