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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2011-03-17 09:40:29 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2011-05-19 13:11:38 +0200
commit27ad4bf72a27c80c121b2349174e6b41b2e3afd8 (patch)
tree864ddd4e58386f22c9fda4457ebc5bb23d790792 /arch/arm/mach-imx/ehci-imx35.c
parent7fc92c6092d7208e53d35cda32a9181aae396adf (diff)
ARM: imx: move mx3 support to mach-imx
Fixing a few "please, no space before tabs" and "empty line at end of file" warnings on the way. LAKML-Reference: 1299271882-2130-6-git-send-email-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/ehci-imx35.c')
-rw-r--r--arch/arm/mach-imx/ehci-imx35.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/ehci-imx35.c b/arch/arm/mach-imx/ehci-imx35.c
new file mode 100644
index 00000000000..001ec3971f5
--- /dev/null
+++ b/arch/arm/mach-imx/ehci-imx35.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/mxc_ehci.h>
+
+#define USBCTRL_OTGBASE_OFFSET 0x600
+
+#define MX35_OTG_SIC_SHIFT 29
+#define MX35_OTG_SIC_MASK (0x3 << MX35_OTG_SIC_SHIFT)
+#define MX35_OTG_PM_BIT (1 << 24)
+
+#define MX35_H1_SIC_SHIFT 21
+#define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT)
+#define MX35_H1_PM_BIT (1 << 8)
+#define MX35_H1_IPPUE_UP_BIT (1 << 7)
+#define MX35_H1_IPPUE_DOWN_BIT (1 << 6)
+#define MX35_H1_TLL_BIT (1 << 5)
+#define MX35_H1_USBTE_BIT (1 << 4)
+
+int mx35_initialize_usb_hw(int port, unsigned int flags)
+{
+ unsigned int v;
+
+ v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));
+
+ switch (port) {
+ case 0: /* OTG port */
+ v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT);
+ v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_OTG_SIC_SHIFT;
+
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+ v |= MX35_OTG_PM_BIT;
+
+ break;
+ case 1: /* H1 port */
+ v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT |
+ MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT);
+ v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_H1_SIC_SHIFT;
+
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+ v |= MX35_H1_PM_BIT;
+
+ if (!(flags & MXC_EHCI_TTL_ENABLED))
+ v |= MX35_H1_TLL_BIT;
+
+ if (flags & MXC_EHCI_INTERNAL_PHY)
+ v |= MX35_H1_USBTE_BIT;
+
+ if (flags & MXC_EHCI_IPPUE_DOWN)
+ v |= MX35_H1_IPPUE_DOWN_BIT;
+
+ if (flags & MXC_EHCI_IPPUE_UP)
+ v |= MX35_H1_IPPUE_UP_BIT;
+
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ writel(v, MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));
+
+ return 0;
+}