[ubicom32]: move new files out from platform support patch

[openwrt/svn-archive/archive.git] / target / linux / ubicom32 / files / arch / ubicom32 / mach-common / usb.c

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 (file)
index 0000000..e13f640
--- /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);
+}