musb: MSC host support for AM35x
Tested MSC Host on AM3517EVM.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
diff --git a/drivers/usb/musb/am35x.h b/drivers/usb/musb/am35x.h
new file mode 100644
index 0000000..756c3ae
--- /dev/null
+++ b/drivers/usb/musb/am35x.h
@@ -0,0 +1,94 @@
+/*
+ * am35x.h - TI's AM35x platform specific usb wrapper definitions.
+ *
+ * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
+ *
+ * Based on drivers/usb/musb/da8xx.h
+ *
+ * Copyright (c) 2010 Texas Instruments Incorporated
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __AM35X_USB_H__
+#define __AM35X_USB_H__
+
+#include <asm/arch/am35x_def.h>
+#include "musb_core.h"
+
+/* Base address of musb wrapper */
+#define AM35X_USB_OTG_BASE 0x5C040000
+
+/* Base address of musb core */
+#define AM35X_USB_OTG_CORE_BASE (AM35X_USB_OTG_BASE + 0x400)
+
+/* Timeout for AM35x usb module */
+#define AM35X_USB_OTG_TIMEOUT 0x3FFFFFF
+
+/*
+ * AM35x platform USB wrapper register overlay.
+ */
+struct am35x_usb_regs {
+ u32 revision;
+ u32 control;
+ u32 status;
+ u32 emulation;
+ u32 reserved0[1];
+ u32 autoreq;
+ u32 srpfixtime;
+ u32 ep_intsrc;
+ u32 ep_intsrcset;
+ u32 ep_intsrcclr;
+ u32 ep_intmsk;
+ u32 ep_intmskset;
+ u32 ep_intmskclr;
+ u32 ep_intsrcmsked;
+ u32 reserved1[1];
+ u32 core_intsrc;
+ u32 core_intsrcset;
+ u32 core_intsrcclr;
+ u32 core_intmsk;
+ u32 core_intmskset;
+ u32 core_intmskclr;
+ u32 core_intsrcmsked;
+ u32 reserved2[1];
+ u32 eoi;
+ u32 mop_sop_en;
+ u32 reserved3[2];
+ u32 txmode;
+ u32 rxmode;
+ u32 epcount_mode;
+};
+
+#define am35x_usb_regs ((struct am35x_usb_regs *)AM35X_USB_OTG_BASE)
+
+/* USB 2.0 PHY Control */
+#define DEVCONF2_PHY_GPIOMODE (1 << 23)
+#define DEVCONF2_OTGMODE (3 << 14)
+#define DEVCONF2_SESENDEN (1 << 13) /* Vsess_end comparator */
+#define DEVCONF2_VBDTCTEN (1 << 12) /* Vbus comparator */
+#define DEVCONF2_REFFREQ_24MHZ (2 << 8)
+#define DEVCONF2_REFFREQ_26MHZ (7 << 8)
+#define DEVCONF2_REFFREQ_13MHZ (6 << 8)
+#define DEVCONF2_REFFREQ (0xf << 8)
+#define DEVCONF2_PHYCKGD (1 << 7)
+#define DEVCONF2_VBUSSENSE (1 << 6)
+#define DEVCONF2_PHY_PLLON (1 << 5) /* override PLL suspend */
+#define DEVCONF2_RESET (1 << 4)
+#define DEVCONF2_PHYPWRDN (1 << 3)
+#define DEVCONF2_OTGPWRDN (1 << 2)
+#define DEVCONF2_DATPOL (1 << 1)
+
+#endif /* __AM35X_USB_H__ */