[U-Boot] [USB EHCI PATCH 2/2] USB ehci ixp4xx support

[Michael Trimarchi]

Add USB ehci ixp4xx host controller. Test on ixdp465 board.

(Re)start USB...
USB:   IXP4XX init hccr cd000100 and hcor cd000140 hc_length 64
Register 10011 NbrPorts 1
USB EHCI 1.00
scanning bus for devices... 2 USB Device(s) found
       scanning bus for storage devices... 1 Storage Device(s) found
=> usb tree

Device Tree:
  1  Hub (1.5MBit/s, 0mA)
  |  u-boot EHCI Host Controller
  |
  |+-2  Mass Storage (12MBit/s, 100mA)
       Sony Storage Media 0C07040930296

=> usb part 0
print_part of 0

Partition Map for USB device 0  --   Partition Type: DOS

Partition     Start Sector     Num Sectors     Type
    1                   32         3932128       b
=>

Signed-off-by: Michael Trimarchi <trimarchimichael at yahoo.it>
---
 drivers/usb/Makefile       |    1 +
 drivers/usb/usb_ehci_ixp.c |   49 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+), 0 deletions(-)
 create mode 100644 drivers/usb/usb_ehci_ixp.c

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 at yahoo.it>
+ *
+ * Author: Michael Trimarchi <trimarchimichael at 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;
+}
-- 
1.5.6.5