1 files changed, 132 insertions, 0 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/mach-common/usb.c b/target/linux/ubicom32/files/arch/ubicom32/mach-common/usb.c
new file mode 100644
index 000000000..e13f64054
--- /dev/null
+++ b/target/linux/ubicom32/files/arch/ubicom32/mach-common/usb.c
@@ -0,0 +1,132 @@
+/*
+ * arch/ubicom32/mach-common/ip5k_usb.c
+ *   Ubicom32 architecture usb support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
+ * Author: Kevin Hilman
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port 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.
+ *
+ * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/usb/musb.h>
+#include <asm/devtree.h>
+#include <asm/ip5000.h>
+#include "usb_tio.h"
+
+struct usbtionode *unode = NULL;
+
+static struct resource usb_resources[] = {
+	[0] = {
+		.start	= RJ + 0x800,
+		.end	= RJ + 0x1000,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {	/* general IRQ */
+		.start	= 1, /* this is a dummy value, the real irq number is passed from kernel_setup_param */
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+
+static struct musb_hdrc_eps_bits musb_eps[] = {
+	{ "ep1_tx", 4, },
+	{ "ep1_rx", 4, },
+	{ "ep2_tx", 10, },
+	{ "ep2_rx", 10, },
+	{ "ep3_tx", 9, },
+	{ "ep3_rx", 9, },
+	{ "ep4_tx", 9, },
+	{ "ep4_rx", 9, },
+	{ "ep5_tx", 6, },
+	{ "ep5_rx", 6, },
+};
+
+static struct musb_hdrc_config musb_config = {
+	.multipoint     = true,
+	.dyn_fifo       = false,
+	.soft_con       = true,
+	.dma            = false,
+
+	.num_eps        = 6,
+	.dma_channels   = 0,
+	.ram_bits       = 0,
+	.eps_bits       = musb_eps,
+};
+
+static struct musb_hdrc_platform_data usb_data = {
+#ifdef CONFIG_USB_MUSB_OTG
+	.mode		= MUSB_OTG,
+#else
+#ifdef CONFIG_USB_MUSB_HDRC_HCD
+	.mode		= MUSB_HOST,
+#else
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
+	.mode		= MUSB_PERIPHERAL,
+#endif
+#endif
+#endif
+	.clock		= NULL,
+	.set_clock	= NULL,
+	.config		= &musb_config,
+};
+
+static struct platform_device musb_device = {
+	.name		= "musb_hdrc",
+	.id		= 0,
+	.dev = {
+		.platform_data		= &usb_data,
+		.dma_mask		= NULL,
+		.coherent_dma_mask	= 0,
+	},
+	.resource	= usb_resources,
+	.num_resources	= ARRAY_SIZE(usb_resources),
+};
+
+struct usbtio_node *usb_node = NULL;
+void ubi32_usb_init(void)
+{
+	/*
+	 * See if the usbtio is in the device tree.
+	 */
+	usb_node = (struct usbtio_node *)devtree_find_node("usbtio");
+	if (!usb_node) {
+		printk(KERN_WARNING "usb init failed\n");
+		return;
+	}
+
+	usb_resources[1].start = usb_node->dn.recvirq;
+	if (platform_device_register(&musb_device) < 0) {
+		printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");
+		return;
+	}
+}
+
+void ubi32_usb_int_clr(void)
+{
+        UBICOM32_IO_PORT(RJ)->int_clr = (1 << 3);
+}