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authorChris Zhang <chris@seamicro.com>2010-01-06 13:34:05 -0800
committerRemy Bohmer <linux@bohmer.net>2010-01-09 10:27:15 +0100
commit5f82887feecd7895593401f1ccda866bfb299fbb (patch)
tree93a045e132c39f105bd9015956252116d303d35e /drivers/usb/host
parentb416191a14770c6bcc6fd67be7decf8159b2baee (diff)
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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>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/Makefile1
-rw-r--r--drivers/usb/host/ehci-ppc4xx.c48
2 files changed, 49 insertions, 0 deletions
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 940d4a8..255679a 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 0000000..946a0a0
--- /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;
+}