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authorMichael Trimarchi <trimarchi@gandalf.sssup.it>2008-12-31 10:33:56 +0100
committerRemy Bohmer <linux@bohmer.net>2009-01-28 19:57:29 +0100
commit7b6e31eb17e3ff76238a60803fc531517d516223 (patch)
tree35e51e4867848b3137e1569feb2bc0069e4954c4
parent1ed9f9adc88218841dfeb60b9094a5a548bff009 (diff)
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USB ehci ixp4xx support
Add USB ehci ixp4xx host controller. Test on ixdp465 board. Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it> Signed-off-by: Remy Bohmer <linux@bohmer.net>
-rw-r--r--drivers/usb/Makefile1
-rw-r--r--drivers/usb/usb_ehci_ixp.c49
2 files changed, 50 insertions, 0 deletions
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 26189b6..0f94963 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -36,6 +36,7 @@ COBJS-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o
COBJS-$(CONFIG_USB_SL811HS) += sl811_usb.o
COBJS-$(CONFIG_USB_EHCI_FSL) += usb_ehci_fsl.o
COBJS-$(CONFIG_USB_EHCI_PCI) += usb_ehci_pci.o
+COBJS-$(CONFIG_USB_EHCI_IXP4XX) += usb_ehci_ixp.o
# device
ifdef CONFIG_USB_DEVICE
diff --git a/drivers/usb/usb_ehci_ixp.c b/drivers/usb/usb_ehci_ixp.c
new file mode 100644
index 0000000..25c18c1
--- /dev/null
+++ b/drivers/usb/usb_ehci_ixp.c
@@ -0,0 +1,49 @@
+/*
+ * (C) Copyright 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
+ *
+ * Author: Michael Trimarchi <trimarchimichael@yahoo.it>
+ * 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 "usb_ehci.h"
+#include "usb_ehci_core.h"
+/*
+ * Create the appropriate control structures to manage
+ * a new EHCI host controller.
+ */
+int ehci_hcd_init(void)
+{
+ hccr = (struct ehci_hccr *)(0xcd000100);
+ hcor = (struct ehci_hcor *)((uint32_t) hccr
+ + HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+ printf("IXP4XX init hccr %x and hcor %x hc_length %d\n",
+ (uint32_t)hccr, (uint32_t)hcor,
+ (uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+ return 0;
+}
+
+/*
+ * Destroy the appropriate control structures corresponding
+ * the the EHCI host controller.
+ */
+int ehci_hcd_stop(void)
+{
+ return 0;
+}