From: Nathan Connell <w14185@motorola.com>
Date: Wed, 12 Jan 2011 20:32:24 +0000 (-0600)
Subject: ARM: tegra: usb_phy: Configure USB1 PHY to use programmed value
X-Git-Tag: firefly_0821_release~9833^2~44^2~4
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=769922c5aa726ddb100548f4df6cbe0c40503666;p=firefly-linux-kernel-4.4.55.git

ARM: tegra: usb_phy: Configure USB1 PHY to use programmed value

instead of fused value.  This is required
to meet High Speed USB signaling requirements.

Change-Id: I659b33faa950605ecf040598112e1972047ae7ad
Signed-off-by: Nathan Connell <w14185@motorola.com>
---

diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c
index 13e502cd0490..7242dda542c2 100644
--- a/arch/arm/mach-tegra/usb_phy.c
+++ b/arch/arm/mach-tegra/usb_phy.c
@@ -136,7 +136,7 @@
 #define   UTMIP_PD_CHRG			(1 << 0)
 
 #define UTMIP_SPARE_CFG0	0x834
-#define   FUSE_SETUP_SEL		(1 << 3);
+#define   FUSE_SETUP_SEL		(1 << 3)
 
 #define UTMIP_XCVR_CFG1		0x838
 #define   UTMIP_FORCE_PDDISC_POWERDOWN	(1 << 0)
@@ -420,6 +420,15 @@ static void utmi_phy_power_on(struct tegra_usb_phy *phy)
 	val |= UTMIP_BIAS_PDTRK_COUNT(0x5);
 	writel(val, base + UTMIP_BIAS_CFG1);
 
+	if (phy->instance == 0) {
+		val = readl(base + UTMIP_SPARE_CFG0);
+		if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE)
+			val &= ~FUSE_SETUP_SEL;
+		else
+			val |= FUSE_SETUP_SEL;
+		writel(val, base + UTMIP_SPARE_CFG0);
+	}
+
 	if (phy->instance == 2) {
 		val = readl(base + USB_SUSP_CTRL);
 		val |= UTMIP_PHY_ENABLE;