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authorVipin Kumar <vipin.kumar@st.com>2012-12-17 14:18:55 +0530
committerMarek Vasut <marex@denx.de>2013-03-16 21:12:02 +0100
commit39fd6342a431abc0de786936eab87e731ba29cb7 (patch)
tree46b1035171d448e6836da993d062b8ffd1af37ee /drivers
parenta04983d6a953675f2eebaf60f75fbd385fd21678 (diff)
downloadtalos-obmc-uboot-39fd6342a431abc0de786936eab87e731ba29cb7.tar.gz
talos-obmc-uboot-39fd6342a431abc0de786936eab87e731ba29cb7.zip
usb/host/ehci: Add support for EHCI on spear
Add EHCI support for spear boards Signed-off-by: Armando Visconti <armando.visconti@st.com> Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/host/Makefile1
-rw-r--r--drivers/usb/host/ehci-spear.c59
2 files changed, 60 insertions, 0 deletions
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 6c94794929..9a6f982080 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -54,6 +54,7 @@ COBJS-$(CONFIG_USB_EHCI_PPC4XX) += ehci-ppc4xx.o
COBJS-$(CONFIG_USB_EHCI_IXP4XX) += ehci-ixp.o
COBJS-$(CONFIG_USB_EHCI_MARVELL) += ehci-marvell.o
COBJS-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o
+COBJS-$(CONFIG_USB_EHCI_SPEAR) += ehci-spear.o
COBJS-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o
COBJS-$(CONFIG_USB_EHCI_VCT) += ehci-vct.o
diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c
new file mode 100644
index 0000000000..f99bd1f693
--- /dev/null
+++ b/drivers/usb/host/ehci-spear.c
@@ -0,0 +1,59 @@
+/*
+ * (C) Copyright 2010
+ * Armando Visconti, ST Micoelectronics, <armando.visconti@st.com>.
+ *
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <usb.h>
+#include "ehci.h"
+#include <asm/arch/hardware.h>
+
+
+/*
+ * Create the appropriate control structures to manage
+ * a new EHCI host controller.
+ */
+int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+{
+ *hccr = (struct ehci_hccr *)(CONFIG_SYS_UHC0_EHCI_BASE + 0x100);
+ *hcor = (struct ehci_hcor *)((uint32_t)*hccr
+ + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
+
+ debug("SPEAr-ehci: 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(int index)
+{
+ return 0;
+}
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