From: Chris Zhang <chris@seamicro.com>
Date: Wed, 6 Jan 2010 21:34:05 +0000 (-0800)
Subject: Add ppc440epx USB ehci support.
X-Git-Tag: v2010.03-rc1~159^2~2
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=5f82887feecd7895593401f1ccda866bfb299fbb;p=oweals%2Fu-boot.git

Add ppc440epx USB ehci support.

Currently ppc440epx uses OHCI for USB full-speed support. This change adds
support for EHCI.

Signed-off-by: Chris Zhang <chris@seamicro.com>
---

diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 940d4a8b91..255679a186 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -36,6 +36,7 @@ COBJS-$(CONFIG_USB_SL811HS) += sl811-hcd.o
 # echi
 COBJS-$(CONFIG_USB_EHCI) += ehci-hcd.o
 COBJS-$(CONFIG_USB_EHCI_FSL) += ehci-fsl.o
+COBJS-$(CONFIG_USB_EHCI_PPC4XX) += ehci-ppc4xx.o
 COBJS-$(CONFIG_USB_EHCI_IXP4XX) += ehci-ixp.o
 COBJS-$(CONFIG_USB_EHCI_KIRKWOOD) += ehci-kirkwood.o
 COBJS-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o
diff --git a/drivers/usb/host/ehci-ppc4xx.c b/drivers/usb/host/ehci-ppc4xx.c
new file mode 100644
index 0000000000..946a0a07ef
--- /dev/null
+++ b/drivers/usb/host/ehci-ppc4xx.c
@@ -0,0 +1,48 @@
+/*
+ * (C) Copyright 2010, Chris Zhang <chris@seamicro.com>
+ *
+ * Author: Chris Zhang <chris@seamicro.com>
+ * This code is based on ehci freescale driver
+ *
+ * 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 <usb.h>
+
+#include "ehci.h"
+#include "ehci-core.h"
+
+/*
+ * Create the appropriate control structures to manage
+ * a new EHCI host controller.
+ */
+int ehci_hcd_init(void)
+{
+	hccr = (struct ehci_hccr *)(CONFIG_SYS_PPC4XX_USB_ADDR);
+	hcor = (struct ehci_hcor *)((uint32_t) hccr +
+		HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+	usb_dev_init();
+	return 0;
+}
+
+/*
+ * Destroy the appropriate control structures corresponding
+ * the the EHCI host controller.
+ */
+int ehci_hcd_stop(void)
+{
+	return 0;
+}