1 files changed, 79 insertions, 0 deletions
diff --git a/u-boot/drivers/usb/host/ehci-fsl.c b/u-boot/drivers/usb/host/ehci-fsl.c
new file mode 100644
index 0000000..6e0043a
--- /dev/null
+++ b/u-boot/drivers/usb/host/ehci-fsl.c
@@ -0,0 +1,79 @@
+/*
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB
+ *
+ * Author: Tor Krill tor@excito.com
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <pci.h>
+#include <usb.h>
+#include <asm/io.h>
+#include <usb/ehci-fsl.h>
+
+#include "ehci.h"
+#include "ehci-core.h"
+
+/*
+ * Create the appropriate control structures to manage
+ * a new EHCI host controller.
+ *
+ * Excerpts from linux ehci fsl driver.
+ */
+int ehci_hcd_init(void)
+{
+	struct usb_ehci *ehci;
+
+	ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB_ADDR;
+	hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
+	hcor = (struct ehci_hcor *)((uint32_t) hccr +
+			HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+	/* Set to Host mode */
+	setbits_le32(&ehci->usbmode, CM_HOST);
+
+	out_be32(&ehci->snoop1, SNOOP_SIZE_2GB);
+	out_be32(&ehci->snoop2, 0x80000000 | SNOOP_SIZE_2GB);
+
+	/* Init phy */
+	if (!strcmp(getenv("usb_phy_type"), "utmi"))
+		out_le32(&(hcor->or_portsc[0]), PORT_PTS_UTMI);
+	else
+		out_le32(&(hcor->or_portsc[0]), PORT_PTS_ULPI);
+
+	/* Enable interface. */
+	setbits_be32(&ehci->control, USB_EN);
+
+	out_be32(&ehci->prictrl, 0x0000000c);
+	out_be32(&ehci->age_cnt_limit, 0x00000040);
+	out_be32(&ehci->sictrl, 0x00000001);
+
+	in_le32(&ehci->usbmode);
+
+	return 0;
+}
+
+/*
+ * Destroy the appropriate control structures corresponding
+ * the the EHCI host controller.
+ */
+int ehci_hcd_stop(void)
+{
+	return 0;
+}