Patchwork [U-Boot,Drivers,11/19] usb/host/ehci: Add support for EHCI on spear

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Submitter Vipin Kumar
Date Nov. 2, 2012, 5:39 p.m.
Message ID <5fdbb9925e282047451f496fa5cf42b46676e8d9.1351877124.git.vipin.kumar@st.com>
Download mbox | patch
Permalink /patch/196726/
State Superseded
Delegated to: Albert ARIBAUD
Headers show

Comments

Vipin Kumar - Nov. 2, 2012, 5:39 p.m.
Add EHCI support for spear boards

Signed-off-by: Armando Visconti <armando.visconti@st.com>
Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
---
 drivers/usb/host/Makefile     |  1 +
 drivers/usb/host/ehci-spear.c | 59 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 drivers/usb/host/ehci-spear.c

Patch

diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 6c94794..9a6f982 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 0000000..f99bd1f
--- /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;
+}