Port of MUSB driver from Linux (changes from Linux)

index f88d0c1..f9163a8 100644
@@ -27,7 +27,6 @@
 #include <linux/string.h>
 
 #include <linux/usb/ch9.h>
-#include <usbdescriptors.h>
 #include <linux/usb/gadget.h>
 
 

index b656c8b..5b8776e 100644
@@ -23,7 +23,6 @@
 
 #include <common.h>
 #include <linux/usb/ch9.h>
-#include <usbdescriptors.h>
 #include <asm/errno.h>
 #include <linux/usb/gadget.h>
 #include <asm/unaligned.h>

index 1e187e5..c51e69c 100644
@@ -24,7 +24,6 @@
 #include <asm/errno.h>
 #include <linux/netdevice.h>
 #include <linux/usb/ch9.h>
-#include <usbdescriptors.h>
 #include <linux/usb/cdc.h>
 #include <linux/usb/gadget.h>
 #include <net.h>

index 3fdfdf7..f9d24e3 100644
@@ -37,7 +37,6 @@
 #include <malloc.h>
 
 #include <linux/usb/ch9.h>
-#include <usbdescriptors.h>
 #include <linux/usb/gadget.h>
 
 #include <asm/byteorder.h>

index 4dbe060..95555cf 100644
@@ -13,7 +13,6 @@
 #include <common.h>
 #include <asm/errno.h>
 #include <linux/usb/ch9.h>
-#include <usbdescriptors.h>
 #include <linux/usb/gadget.h>
 
 #include <asm/unaligned.h>

641 lines not on this page · raw message

index 6a8fd44..7114dae 100644
@@ -24,7 +24,6 @@
 
 #include <asm/errno.h>
 #include <linux/usb/ch9.h>
-#include <usbdescriptors.h>
 #include <linux/usb/gadget.h>
 #include <linux/list.h>
 #include <usb/lin_gadget_compat.h>

index 944bb32..3bca66a 100644
@@ -620,7 +620,7 @@ static struct ed *ep_add_ed(struct usb_device *usb_dev, unsigned long pipe)
 			      | (usb_pipeisoc(pipe) ? 0x8000 : 0)
 			      | (usb_pipecontrol(pipe) ? 0 :
 				 (usb_pipeout(pipe) ? 0x800 : 0x1000))
-			      | usb_pipeslow(pipe) << 13 |
+			      | (usb_dev->speed == USB_SPEED_LOW) << 13 |
 			      usb_maxpacket(usb_dev, pipe) << 16);
 
 	return ed_ret;

index c747767..b9b0998 100644
@@ -615,7 +615,7 @@ static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe)
 			| usb_pipeendpoint (pipe) << 7
 			| (usb_pipeisoc (pipe)? 0x8000: 0)
 			| (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000))
-			| usb_pipeslow (pipe) << 13
+			| (usb_dev->speed == USB_SPEED_LOW) << 13
 			| usb_maxpacket (usb_dev, pipe) << 16);
 
 	return ed_ret;

index 607034b..de07343 100644
@@ -618,7 +618,7 @@ static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe)
 			| usb_pipeendpoint (pipe) << 7
 			| (usb_pipeisoc (pipe)? 0x8000: 0)
 			| (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000))
-			| usb_pipeslow (pipe) << 13
+			| (usb_dev->speed == USB_SPEED_LOW) << 13
 			| usb_maxpacket (usb_dev, pipe) << 16);
 
 	return ed_ret;

index 4ce2726..f820c37 100644
@@ -621,7 +621,7 @@ static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe)
 			| usb_pipeendpoint (pipe) << 7
 			| (usb_pipeisoc (pipe)? 0x8000: 0)
 			| (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000))
-			| usb_pipeslow (pipe) << 13
+			| (usb_dev->speed == USB_SPEED_LOW) << 13
 			| usb_maxpacket (usb_dev, pipe) << 16);
 
 	return ed_ret;

index c128455..8be9952 100644
@@ -192,7 +192,7 @@ void usb_display_desc(struct usb_device *dev)
 
 }
 
-void usb_display_conf_desc(struct usb_configuration_descriptor *config,
+void usb_display_conf_desc(struct usb_config_descriptor *config,
 			   struct usb_device *dev)
 {
 	printf("   Configuration: %d\n", config->bConfigurationValue);

index 1c9763c..94b78d1 100644
@@ -492,9 +492,9 @@ int usb_get_configuration_no(struct usb_device *dev,
 {
 	int result;
 	unsigned int tmp;
-	struct usb_configuration_descriptor *config;
+	struct usb_config_descriptor *config;
 
-	config = (struct usb_configuration_descriptor *)&buffer[0];
+	config = (struct usb_config_descriptor *)&buffer[0];
 	result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, 9);
 	if (result < 9) {
 		if (result < 0)

index d90e94d..7f98a63 100644
@@ -210,6 +210,18 @@ static int ehci_td_buffer(struct qTD *td, void *buf, size_t sz)
 	return 0;
 }
 
+static inline u8 ehci_encode_speed(enum usb_device_speed speed)
+{
+	#define QH_HIGH_SPEED	2
+	#define QH_FULL_SPEED	0
+	#define QH_LOW_SPEED	1
+	if (speed == USB_SPEED_HIGH)
+		return QH_HIGH_SPEED;
+	if (speed == USB_SPEED_LOW)
+		return QH_LOW_SPEED;
+	return QH_FULL_SPEED;
+}
+
 static int
 ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
 		   int length, struct devrequest *req)

@@ -318,12 +330,12 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
 	 * - qh_overlay.qt_altnext
 	 */
 	qh->qh_link = cpu_to_hc32((uint32_t)&ctrl->qh_list | QH_LINK_TYPE_QH);
-	c = usb_pipespeed(pipe) != USB_SPEED_HIGH && !usb_pipeendpoint(pipe);
+	c = (dev->speed != USB_SPEED_HIGH) && !usb_pipeendpoint(pipe);
 	maxpacket = usb_maxpacket(dev, pipe);
 	endpt = QH_ENDPT1_RL(8) | QH_ENDPT1_C(c) |
 		QH_ENDPT1_MAXPKTLEN(maxpacket) | QH_ENDPT1_H(0) |
 		QH_ENDPT1_DTC(QH_ENDPT1_DTC_DT_FROM_QTD) |
-		QH_ENDPT1_EPS(usb_pipespeed(pipe)) |
+		QH_ENDPT1_EPS(ehci_encode_speed(dev->speed)) |
 		QH_ENDPT1_ENDPT(usb_pipeendpoint(pipe)) | QH_ENDPT1_I(0) |
 		QH_ENDPT1_DEVADDR(usb_pipedevice(pipe));
 	qh->qh_endpt1 = cpu_to_hc32(endpt);

index 19e16a4..289018c 100644
@@ -617,7 +617,7 @@ static int isp116x_submit_job(struct usb_device *dev, unsigned long pipe,
 	int epnum = usb_pipeendpoint(pipe);
 	int max = usb_maxpacket(dev, pipe);
 	int dir_out = usb_pipeout(pipe);
-	int speed_low = usb_pipeslow(pipe);
+	int speed_low = (dev->speed == USB_SPEED_LOW);
 	int i, done = 0, stat, timeout, cc;
 
 	/* 500 frames or 0.5s timeout when function is busy and NAKs transactions for a while */

index c2106ad..bdbe250 100644
@@ -803,7 +803,7 @@ static ed_t *ep_add_ed(struct usb_device *usb_dev, unsigned long pipe,
 			| (usb_pipeisoc(pipe)? 0x8000: 0)
 			| (usb_pipecontrol(pipe)? 0: \
 					   (usb_pipeout(pipe)? 0x800: 0x1000))
-			| usb_pipeslow(pipe) << 13
+			| (usb_dev->speed == USB_SPEED_LOW) << 13
 			| usb_maxpacket(usb_dev, pipe) << 16);
 
 	if (ed->type == PIPE_INTERRUPT && ed->state == ED_UNLINK) {

index 2830616..417f1a8 100644
@@ -234,7 +234,7 @@ static int sl811_send_packet(struct usb_device *dev, unsigned long pipe, __u8 *b
 	__u16 status = 0;
 	int err = 0, time_start = get_timer(0);
 	int need_preamble = !(rh_status.wPortStatus & USB_PORT_STAT_LOW_SPEED) &&
-		usb_pipeslow(pipe);
+		(dev->speed == USB_SPEED_LOW);
 
 	if (len > 239)
 		return -1;

index e914369..ec8a038 100644
@@ -34,7 +34,6 @@
 #ifndef __MUSB_HDRC_DEFS_H__
 #define __MUSB_HDRC_DEFS_H__
 
-#include <usb.h>
 #include <usb_defs.h>
 #include <asm/io.h>
 

@@ -145,7 +144,7 @@ struct musb_regs {
 		struct musb_epN_regs epN;
 	} ep[16];
 
-} __attribute__((packed, aligned(USB_DMA_MINALIGN)));
+} __attribute__((packed));
 #endif
 
 /*

index 06be38d..60e03a4 100644
@@ -22,6 +22,7 @@
  */
 
 #include <common.h>
+#include <usb.h>
 #include "musb_hcd.h"
 
 /* MSC control transfers */

@@ -485,8 +486,8 @@ static int ctrlreq_in_status_phase(struct usb_device *dev)
  */
 static u8 get_dev_speed(struct usb_device *dev)
 {
-	return (dev->speed & USB_SPEED_HIGH) ? MUSB_TYPE_SPEED_HIGH :
-		((dev->speed & USB_SPEED_LOW) ? MUSB_TYPE_SPEED_LOW :
+	return (dev->speed == USB_SPEED_HIGH) ? MUSB_TYPE_SPEED_HIGH :
+		((dev->speed == USB_SPEED_LOW) ? MUSB_TYPE_SPEED_LOW :
 						MUSB_TYPE_SPEED_FULL);
 }
 

index 9dd8791..4689db6 100644
@@ -27,7 +27,7 @@
 #define _USB_H_
 
 #include <usb_defs.h>
-#include <usbdescriptors.h>
+#include <linux/usb/ch9.h>
 
 /*
  * The EHCI spec says that we must align to at least 32 bytes.  However,

@@ -67,12 +67,6 @@ struct devrequest {
 	unsigned short	length;
 } __attribute__ ((packed));
 
-/* All standard descriptors have these 2 fields in common */
-struct usb_descriptor_header {
-	unsigned char	bLength;
-	unsigned char	bDescriptorType;
-} __attribute__ ((packed));
-
 /* Interface */
 struct usb_interface {
 	struct usb_interface_descriptor desc;

@@ -86,7 +80,7 @@ struct usb_interface {
 
 /* Configuration information.. */
 struct usb_config {
-	struct usb_configuration_descriptor desc;
+	struct usb_config_descriptor desc;
 
 	unsigned char	no_of_if;	/* number of interfaces */
 	struct usb_interface if_desc[USB_MAXINTERFACES];

@@ -285,7 +279,6 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
  *  - device:		bits 8-14
  *  - endpoint:		bits 15-18
  *  - Data0/1:		bit 19
- *  - speed:		bit 26		(0 = Full, 1 = Low Speed, 2 = High)
  *  - pipe type:	bits 30-31	(00 = isochronous, 01 = interrupt,
  *					 10 = control, 11 = bulk)
  *

@@ -297,7 +290,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
 /* Create various pipes... */
 #define create_pipe(dev,endpoint) \
 		(((dev)->devnum << 8) | ((endpoint) << 15) | \
-		((dev)->speed << 26) | (dev)->maxpacketsize)
+		(dev)->maxpacketsize)
 #define default_pipe(dev) ((dev)->speed << 26)
 
 #define usb_sndctrlpipe(dev, endpoint)	((PIPE_CONTROL << 30) | \

@@ -348,8 +341,6 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
 #define usb_pipe_endpdev(pipe)	(((pipe) >> 8) & 0x7ff)
 #define usb_pipeendpoint(pipe)	(((pipe) >> 15) & 0xf)
 #define usb_pipedata(pipe)	(((pipe) >> 19) & 1)
-#define usb_pipespeed(pipe)	(((pipe) >> 26) & 3)
-#define usb_pipeslow(pipe)	(usb_pipespeed(pipe) == USB_SPEED_LOW)
 #define usb_pipetype(pipe)	(((pipe) >> 30) & 3)
 #define usb_pipeisoc(pipe)	(usb_pipetype((pipe)) == PIPE_ISOCHRONOUS)
 #define usb_pipeint(pipe)	(usb_pipetype((pipe)) == PIPE_INTERRUPT)

index 8032e57..9502544 100644
@@ -80,12 +80,6 @@
 #define USB_DIR_OUT           0
 #define USB_DIR_IN            0x80
 
-/* USB device speeds */
-#define USB_SPEED_FULL		0x0	/* 12Mbps */
-#define USB_SPEED_LOW		0x1	/* 1.5Mbps */
-#define USB_SPEED_HIGH		0x2	/* 480Mbps */
-#define USB_SPEED_RESERVED	0x3
-
 /* Descriptor types */
 #define USB_DT_DEVICE        0x01
 #define USB_DT_CONFIG        0x02

index 5d7b638..2759c12 100644
@@ -131,8 +131,8 @@
 #endif
 
 /* Mentor high speed "dual role" controller, in peripheral role */
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-#define gadget_is_musbhdrc(g)	(!strcmp("musb_hdrc", (g)->name))
+#ifdef CONFIG_MUSB_GADGET
+#define gadget_is_musbhdrc(g)	(!strcmp("musb-hdrc", (g)->name))
 #else
 #define gadget_is_musbhdrc(g)	0
 #endif

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new file mode 100644
index 0000000..0081a68
@@ -0,0 +1,25 @@
+/*
+ * Board data structure for musb gadget on OMAPs
+ *
+ * Copyright (C) 2012, Ilya Yanok <[email protected]>
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARM_OMAP_MUSB_H
+#define __ASM_ARM_OMAP_MUSB_H
+
+extern struct musb_platform_ops musb_dsps_ops;
+
+struct omap_musb_board_data {
+	void (*set_phy_power)(u8 on);
+};
+#endif /* __ASM_ARM_OMAP_MUSB_H */

771 lines not on this page · raw message

index 4689db6..aa389e6 100644
@@ -147,7 +147,8 @@ struct usb_device {
 	defined(CONFIG_USB_SL811HS) || defined(CONFIG_USB_ISP116X_HCD) || \
 	defined(CONFIG_USB_R8A66597_HCD) || defined(CONFIG_USB_DAVINCI) || \
 	defined(CONFIG_USB_OMAP3) || defined(CONFIG_USB_DA8XX) || \
-	defined(CONFIG_USB_BLACKFIN) || defined(CONFIG_USB_AM35X)
+	defined(CONFIG_USB_BLACKFIN) || defined(CONFIG_USB_AM35X) || \
+	defined(CONFIG_USB_MUSB_DSPS)
 
 int usb_lowlevel_init(int index, void **controller);
 int usb_lowlevel_stop(int index);

index 978b184..1917c2a 100644
@@ -33,6 +33,11 @@
 #include <i2c.h>
 #include <miiphy.h>
 #include <cpsw.h>
+#include <asm/errno.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/musb.h>
+#include <asm/omap_musb.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

@@ -209,6 +214,84 @@ void setup_clocks_for_console(void)
 	return;
 }
 
+/* AM33XX has two MUSB controllers which can be host or gadget */
+#if (defined(CONFIG_MUSB_GADGET) || defined(CONFIG_MUSB_HOST)) && \
+	(defined(CONFIG_AM335X_USB0) || defined(CONFIG_AM335X_USB1))
+/* USB 2.0 PHY Control */
+#define CM_PHY_PWRDN			(1 << 0)
+#define CM_PHY_OTG_PWRDN		(1 << 1)
+#define OTGVDET_EN			(1 << 19)
+#define OTGSESSENDEN			(1 << 20)
+
+static void am33xx_usb_set_phy_power(u8 on, u32 *reg_addr)
+{
+	if (on) {
+		clrsetbits_le32(reg_addr, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN,
+				OTGVDET_EN | OTGSESSENDEN);
+	} else {
+		clrsetbits_le32(reg_addr, 0, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN);
+	}
+}
+
+static struct musb_hdrc_config musb_config = {
+	.multipoint     = 1,
+	.dyn_fifo       = 1,
+	.num_eps        = 16,
+	.ram_bits       = 12,
+};
+
+#ifdef CONFIG_AM335X_USB0
+static void am33xx_otg0_set_phy_power(u8 on)
+{
+	am33xx_usb_set_phy_power(on, &cdev->usb_ctrl0);
+}
+
+struct omap_musb_board_data otg0_board_data = {
+	.set_phy_power = am33xx_otg0_set_phy_power,
+};
+
+static struct musb_hdrc_platform_data otg0_plat = {
+	.mode           = CONFIG_AM335X_USB0_MODE,
+	.config         = &musb_config,
+	.power          = 50,
+	.platform_ops	= &musb_dsps_ops,
+	.board_data	= &otg0_board_data,
+};
+#endif
+
+#ifdef CONFIG_AM335X_USB1
+static void am33xx_otg1_set_phy_power(u8 on)
+{
+	am33xx_usb_set_phy_power(on, &cdev->usb_ctrl1);
+}
+
+struct omap_musb_board_data otg1_board_data = {
+	.set_phy_power = am33xx_otg1_set_phy_power,
+};
+
+static struct musb_hdrc_platform_data otg1_plat = {
+	.mode           = CONFIG_AM335X_USB1_MODE,
+	.config         = &musb_config,
+	.power          = 50,
+	.platform_ops	= &musb_dsps_ops,
+	.board_data	= &otg1_board_data,
+};
+#endif
+#endif
+
+int arch_misc_init(void)
+{
+#ifdef CONFIG_AM335X_USB0
+	musb_register(&otg0_plat, &otg0_board_data,
+		(void *)AM335X_USB0_OTG_BASE);
+#endif
+#ifdef CONFIG_AM335X_USB1
+	musb_register(&otg1_plat, &otg1_board_data,
+		(void *)AM335X_USB1_OTG_BASE);
+#endif
+	return 0;
+}
+
 /*
  * Basic board specific setup.  Pinmux has been handled already.
  */

@@ -261,9 +344,14 @@ static struct cpsw_platform_data cpsw_data = {
 	.host_port_num		= 0,
 	.version		= CPSW_CTRL_VERSION_2,
 };
+#endif
 
+#if defined(CONFIG_DRIVER_TI_CPSW) || \
+	(defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET))
 int board_eth_init(bd_t *bis)
 {
+	int rv, n = 0;
+#ifdef CONFIG_DRIVER_TI_CPSW
 	uint8_t mac_addr[6];
 	uint32_t mac_hi, mac_lo;
 

@@ -295,6 +383,19 @@ int board_eth_init(bd_t *bis)
 				PHY_INTERFACE_MODE_RGMII;
 	}
 
-	return cpsw_register(&cpsw_data);
+	rv = cpsw_register(&cpsw_data);
+	if (rv < 0)
+		printf("Error %d registering CPSW switch\n", rv);
+	else
+		n += rv;
+#endif
+#ifdef CONFIG_USB_ETHER
+	rv = usb_eth_initialize(bis);
+	if (rv < 0)
+		printf("Error %d registering USB_ETHER\n", rv);
+	else
+		n += rv;
+#endif
+	return n;
 }
 #endif

index 2b19506..04841e4 100644
@@ -40,6 +40,7 @@
 #define CLK_MODE_MASK		0xfffffff8
 #define CLK_DIV_SEL		0xFFFFFFE0
 #define CPGMAC0_IDLE		0x30000
+#define DPLL_CLKDCOLDO_GATE_CTRL        0x300
 
 const struct cm_perpll *cmper = (struct cm_perpll *)CM_PER;
 const struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP;

@@ -153,6 +154,11 @@ static void enable_per_clocks(void)
 	writel(PRCM_MOD_EN, &cmper->spi0clkctrl);
 	while (readl(&cmper->spi0clkctrl) != PRCM_MOD_EN)
 		;
+
+	/* MUSB */
+	writel(PRCM_MOD_EN, &cmper->usb0clkctrl);
+	while (readl(&cmper->usb0clkctrl) != PRCM_MOD_EN)
+		;
 }
 
 static void mpu_pll_config(void)

@@ -249,6 +255,8 @@ static void per_pll_config(void)
 
 	while (readl(&cmwkup->idlestdpllper) != ST_DPLL_CLK)
 		;
+
+	writel(DPLL_CLKDCOLDO_GATE_CTRL, &cmwkup->clkdcoldodpllper);
 }
 
 void ddr_pll_config(unsigned int ddrpll_m)

index 6cfbef7..60e28f9 100644
@@ -82,7 +82,8 @@ struct cm_wkuppll {
 	unsigned int clkseldpllcore;	/* offset 0x68 */
 	unsigned int resv9[1];
 	unsigned int idlestdpllper;	/* offset 0x70 */
-	unsigned int resv10[3];
+	unsigned int resv10[2];
+	unsigned int clkdcoldodpllper;	/* offset 0x7c */
 	unsigned int divm4dpllcore;	/* offset 0x80 */
 	unsigned int divm5dpllcore;	/* offset 0x84 */
 	unsigned int clkmoddpllmpu;	/* offset 0x88 */

@@ -260,12 +261,16 @@ struct ctrl_stat {
 /* Control Device Register */
 struct ctrl_dev {
 	unsigned int deviceid;		/* offset 0x00 */
-	unsigned int resv1[11];
+	unsigned int resv1[7];
+	unsigned int usb_ctrl0;		/* offset 0x20 */
+	unsigned int resv2;
+	unsigned int usb_ctrl1;		/* offset 0x28 */
+	unsigned int resv3;
 	unsigned int macid0l;		/* offset 0x30 */
 	unsigned int macid0h;		/* offset 0x34 */
 	unsigned int macid1l;		/* offset 0x38 */
 	unsigned int macid1h;		/* offset 0x3c */
-	unsigned int resv2[4];
+	unsigned int resv4[4];
 	unsigned int miisel;		/* offset 0x50 */
 };
 #endif /* __ASSEMBLY__ */

index 62332f2..39d0717 100644
@@ -83,4 +83,8 @@
 #define AM335X_CPSW_BASE		0x4A100000
 #define AM335X_CPSW_MDIO_BASE		0x4A101000
 
+/* OTG */
+#define AM335X_USB0_OTG_BASE		0x47401000
+#define AM335X_USB1_OTG_BASE		0x47401800
+
 #endif /* __AM33XX_HARDWARE_H */

index 339d4bd..77f7219 100644
@@ -237,6 +237,33 @@
 #define CONFIG_SKIP_LOWLEVEL_INIT
 #endif
 
+/*
+ * USB configuration
+ */
+#define CONFIG_USB_MUSB_DSPS
+#define CONFIG_ARCH_MISC_INIT
+#define CONFIG_MUSB_GADGET
+#define CONFIG_MUSB_PIO_ONLY
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_MUSB_HOST
+#define CONFIG_AM335X_USB0
+#define CONFIG_AM335X_USB0_MODE	MUSB_PERIPHERAL
+#define CONFIG_AM335X_USB1
+#define CONFIG_AM335X_USB1_MODE MUSB_HOST
+
+#ifdef CONFIG_MUSB_HOST
+#define CONFIG_CMD_USB
+#define CONFIG_USB_STORAGE
+#endif
+
+#ifdef CONFIG_MUSB_GADGET
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_RNDIS
+#endif /* CONFIG_MUSB_GADGET */
+
+/* Unsupported features */
+#undef CONFIG_USE_IRQ
+
 #define CONFIG_CMD_NET
 #define CONFIG_CMD_DHCP
 #define CONFIG_CMD_PING

index 0081a68..46c8578 100644
@@ -18,8 +18,11 @@
 #define __ASM_ARM_OMAP_MUSB_H
 
 extern struct musb_platform_ops musb_dsps_ops;
+extern const struct musb_platform_ops am35x_ops;
 
 struct omap_musb_board_data {
 	void (*set_phy_power)(u8 on);
+	void (*clear_irq)(void);
+	void (*reset)(void);
 };
 #endif /* __ASM_ARM_OMAP_MUSB_H */

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index 3728546..61f95f8 100644
@@ -106,4 +106,5 @@ typedef unsigned long dmaaddr_t;
 #define wmb()			asm volatile (""   : : : "memory")
 #endif
 
+#define msleep(a)	udelay(a * 1000)
 #endif /* __LINUX_COMPAT_H__ */

index aa389e6..bf510e4 100644
@@ -148,7 +148,7 @@ struct usb_device {
 	defined(CONFIG_USB_R8A66597_HCD) || defined(CONFIG_USB_DAVINCI) || \
 	defined(CONFIG_USB_OMAP3) || defined(CONFIG_USB_DA8XX) || \
 	defined(CONFIG_USB_BLACKFIN) || defined(CONFIG_USB_AM35X) || \
-	defined(CONFIG_USB_MUSB_DSPS)
+	defined(CONFIG_USB_MUSB_DSPS) || defined(CONFIG_USB_MUSB_AM35X)
 
 int usb_lowlevel_init(int index, void **controller);
 int usb_lowlevel_stop(int index);

index bbaf1bc..67698bc 100644
@@ -32,9 +32,34 @@
 #ifndef __KERNEL_STRICT_NAMES
 #ifndef __ASSEMBLY__
 
+/* LVL_INTR_CLEAR bits */
+#define USBOTGSS_INT_CLR	(1 << 4)
+
 /* IP_SW_RESET bits */
+#define USBOTGSS_SW_RST		(1 << 0)	/* reset USBOTG */
 #define CPGMACSS_SW_RST		(1 << 1)	/* reset CPGMAC */
 
+/* DEVCONF2 bits */
+#define CONF2_PHY_GPIOMODE	(1 << 23)
+#define CONF2_OTGMODE		(3 << 14)
+#define CONF2_NO_OVERRIDE	(0 << 14)
+#define CONF2_FORCE_HOST	(1 << 14)
+#define CONF2_FORCE_DEVICE	(2 << 14)
+#define CONF2_FORCE_HOST_VBUS_LOW (3 << 14)
+#define CONF2_SESENDEN		(1 << 13)
+#define CONF2_VBDTCTEN		(1 << 12)
+#define CONF2_REFFREQ_24MHZ	(2 << 8)
+#define CONF2_REFFREQ_26MHZ	(7 << 8)
+#define CONF2_REFFREQ_13MHZ	(6 << 8)
+#define CONF2_REFFREQ		(0xf << 8)
+#define CONF2_PHYCLKGD		(1 << 7)
+#define CONF2_VBUSSENSE		(1 << 6)
+#define CONF2_PHY_PLLON		(1 << 5)
+#define CONF2_RESET		(1 << 4)
+#define CONF2_PHYPWRDN		(1 << 3)
+#define CONF2_OTGPWRDN		(1 << 2)
+#define CONF2_DATPOL		(1 << 1)
+
 /* General register mappings of system control module */
 #define AM35X_SCM_GEN_BASE	0x48002270
 struct am35x_scm_general {

@@ -49,6 +74,8 @@ struct am35x_scm_general {
 };
 #define am35x_scm_general_regs ((struct am35x_scm_general *)AM35X_SCM_GEN_BASE)
 
+#define AM35XX_IPSS_USBOTGSS_BASE	0x5C040000
+
 #endif /*__ASSEMBLY__ */
 #endif /* __KERNEL_STRICT_NAMES */
 

75 lines not on this page · raw message

new file mode 100644
index 0000000..423ac50
@@ -0,0 +1,28 @@
+/*
+ * (C) Copyright 2012
+ * Ilya Yanok, <[email protected]>
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_OMAP3_MUSB_H
+#define __ASM_ARCH_OMAP3_MUSB_H
+extern void am35x_musb_reset(void);
+extern void am35x_musb_phy_power(u8 on);
+extern void am35x_musb_clear_irq(void);
+#endif

index d316f33..0b3721e 100644
@@ -25,12 +25,20 @@
 
 #include <common.h>
 #include <asm/io.h>
+#include <asm/omap_musb.h>
+#include <asm/arch/am35x_def.h>
 #include <asm/arch/mem.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mmc_host_def.h>
+#include <asm/arch/musb.h>
 #include <asm/mach-types.h>
+#include <asm/errno.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/musb.h>
 #include <i2c.h>
+#include <netdev.h>
 #include "am3517evm.h"
 
 DECLARE_GLOBAL_DATA_PTR;

@@ -50,6 +58,52 @@ int board_init(void)
 	return 0;
 }
 
+#ifdef CONFIG_USB_MUSB_AM35X
+static struct musb_hdrc_config musb_config = {
+	.multipoint     = 1,
+	.dyn_fifo       = 1,
+	.num_eps        = 16,
+	.ram_bits       = 12,
+};
+
+static struct omap_musb_board_data musb_board_data = {
+	.set_phy_power		= am35x_musb_phy_power,
+	.clear_irq		= am35x_musb_clear_irq,
+	.reset			= am35x_musb_reset,
+};
+
+static struct musb_hdrc_platform_data musb_plat = {
+#if defined(CONFIG_MUSB_HOST)
+	.mode           = MUSB_HOST,
+#elif defined(CONFIG_MUSB_GADGET)
+	.mode		= MUSB_PERIPHERAL,
+#else
+#error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
+#endif
+	.config         = &musb_config,
+	.power          = 250,
+	.platform_ops	= &am35x_ops,
+	.board_data	= &musb_board_data,
+};
+
+static void am3517_evm_musb_init(void)
+{
+	/*
+	 * Set up USB clock/mode in the DEVCONF2 register.
+	 * USB2.0 PHY reference clock is 13 MHz
+	 */
+	clrsetbits_le32(&am35x_scm_general_regs->devconf2,
+			CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE,
+			CONF2_REFFREQ_13MHZ | CONF2_SESENDEN |
+			CONF2_VBDTCTEN | CONF2_DATPOL);
+
+	musb_register(&musb_plat, &musb_board_data,
+			(void *)AM35XX_IPSS_USBOTGSS_BASE);
+}
+#else
+#define am3517_evm_musb_init() do {} while (0)
+#endif
+
 /*
  * Routine: misc_init_r
  * Description: Init i2c, ethernet, etc... (done here so udelay works)

@@ -62,6 +116,8 @@ int misc_init_r(void)
 
 	dieid_num_r();
 
+	am3517_evm_musb_init();
+
 	return 0;
 }
 

@@ -83,3 +139,21 @@ int board_mmc_init(bd_t *bis)
        return 0;
 }
 #endif
+
+#if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
+int board_eth_init(bd_t *bis)
+{
+	int rv, n = 0;
+
+	rv = cpu_eth_init(bis);
+	if (rv > 0)
+		n += rv;
+
+	rv = usb_eth_initialize(bis);
+	if (rv > 0)
+		n += rv;
+
+	return n;
+}
+#endif
+

index 6980811..1f0199e 100644
@@ -97,15 +97,16 @@
 
 /*
  * USB configuration
- * Enable CONFIG_MUSB_HCD for Host functionalities MSC, keyboard
- * Enable CONFIG_MUSB_UDC for Device functionalities.
+ * Enable CONFIG_MUSB_HOST for Host functionalities MSC, keyboard
+ * Enable CONFIG_MUSB_GADGET for Device functionalities.
  */
-#define CONFIG_USB_AM35X		1
-#define CONFIG_MUSB_HCD			1
+#define CONFIG_USB_MUSB_AM35X
+#define CONFIG_MUSB_HOST
+#define CONFIG_MUSB_PIO_ONLY
 
-#ifdef CONFIG_USB_AM35X
+#ifdef CONFIG_USB_MUSB_AM35X
 
-#ifdef CONFIG_MUSB_HCD
+#ifdef CONFIG_MUSB_HOST
 #define CONFIG_CMD_USB
 
 #define CONFIG_USB_STORAGE

@@ -117,21 +118,15 @@
 #define CONFIG_PREBOOT "usb start"
 #endif /* CONFIG_USB_KEYBOARD */
 
-#endif /* CONFIG_MUSB_HCD */
-
-#ifdef CONFIG_MUSB_UDC
-/* USB device configuration */
-#define CONFIG_USB_DEVICE		1
-#define CONFIG_USB_TTY			1
-#define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
-/* Change these to suit your needs */
-#define CONFIG_USBD_VENDORID		0x0451
-#define CONFIG_USBD_PRODUCTID		0x5678
-#define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
-#define CONFIG_USBD_PRODUCT_NAME	"AM3517EVM"
-#endif /* CONFIG_MUSB_UDC */
-
-#endif /* CONFIG_USB_AM35X */
+#endif /* CONFIG_MUSB_HOST */
+
+#ifdef CONFIG_MUSB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_RNDIS
+#endif /* CONFIG_MUSB_GADGET */
+
+#endif /* CONFIG_USB_MUSB_AM35X */
 
 /* commands to include */
 #include <config_cmd_default.h>

index 46c8578..b04d865 100644
@@ -19,10 +19,14 @@
 
 extern struct musb_platform_ops musb_dsps_ops;
 extern const struct musb_platform_ops am35x_ops;
+extern const struct musb_platform_ops omap2430_ops;
 
 struct omap_musb_board_data {
+	u8 interface_type;
 	void (*set_phy_power)(u8 on);
 	void (*clear_irq)(void);
 	void (*reset)(void);
 };
+
+enum musb_interface    {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI};
 #endif /* __ASM_ARM_OMAP_MUSB_H */

index 61f95f8..7cfcb1a 100644
@@ -37,6 +37,7 @@ typedef unsigned long dmaaddr_t;
 #define spin_unlock_irqrestore(lock, flags) do {} while (0)
 
 #define setup_timer(timer, func, data) do {} while (0)
+#define del_timer_sync(timer) do {} while (0)
 #define schedule_work(work) do {} while (0)
 #define INIT_WORK(work, fun) do {} while (0)
 

@@ -107,4 +108,12 @@ typedef unsigned long dmaaddr_t;
 #endif
 
 #define msleep(a)	udelay(a * 1000)
+
+/*
+ * Map U-Boot config options to Linux ones
+ */
+#ifdef CONFIG_OMAP34XX
+#define CONFIG_SOC_OMAP3430
+#endif
+
 #endif /* __LINUX_COMPAT_H__ */

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56 lines not on this page · raw message

index bf510e4..8d8a2c9 100644
@@ -148,7 +148,8 @@ struct usb_device {
 	defined(CONFIG_USB_R8A66597_HCD) || defined(CONFIG_USB_DAVINCI) || \
 	defined(CONFIG_USB_OMAP3) || defined(CONFIG_USB_DA8XX) || \
 	defined(CONFIG_USB_BLACKFIN) || defined(CONFIG_USB_AM35X) || \
-	defined(CONFIG_USB_MUSB_DSPS) || defined(CONFIG_USB_MUSB_AM35X)
+	defined(CONFIG_USB_MUSB_DSPS) || defined(CONFIG_USB_MUSB_AM35X) || \
+	defined(CONFIG_USB_MUSB_OMAP2PLUS)
 
 int usb_lowlevel_init(int index, void **controller);
 int usb_lowlevel_stop(int index);

index 6175e1d..f20ebed 100644
@@ -42,6 +42,11 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
 #include <asm/mach-types.h>
+#include <asm/omap_musb.h>
+#include <asm/errno.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/musb.h>
 #include "beagle.h"
 #include <command.h>
 

@@ -285,6 +290,33 @@ static void beagle_dvi_pup(void)
 }
 #endif
 
+#ifdef CONFIG_USB_MUSB_OMAP2PLUS
+static struct musb_hdrc_config musb_config = {
+	.multipoint     = 1,
+	.dyn_fifo       = 1,
+	.num_eps        = 16,
+	.ram_bits       = 12,
+};
+
+static struct omap_musb_board_data musb_board_data = {
+	.interface_type	= MUSB_INTERFACE_ULPI,
+};
+
+static struct musb_hdrc_platform_data musb_plat = {
+#if defined(CONFIG_MUSB_HOST)
+	.mode           = MUSB_HOST,
+#elif defined(CONFIG_MUSB_GADGET)
+	.mode		= MUSB_PERIPHERAL,
+#else
+#error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
+#endif
+	.config         = &musb_config,
+	.power          = 100,
+	.platform_ops	= &omap2430_ops,
+	.board_data	= &musb_board_data,
+};
+#endif
+
 /*
  * Routine: misc_init_r
  * Description: Configure board specific parts

@@ -466,6 +498,10 @@ int misc_init_r(void)
 	omap3_dss_enable();
 #endif
 
+#ifdef CONFIG_USB_MUSB_OMAP2PLUS
+	musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
+#endif
+
 	return 0;
 }
 

@@ -513,3 +549,10 @@ int ehci_hcd_stop(int index)
 }
 
 #endif /* CONFIG_USB_EHCI */
+
+#if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
+int board_eth_init(bd_t *bis)
+{
+	return usb_eth_initialize(bis);
+}
+#endif

index f79f996..e3ed8ea 100644
@@ -120,6 +120,8 @@
 #define CONFIG_MUSB_UDC			1
 #define CONFIG_USB_OMAP3		1
 #define CONFIG_TWL4030_USB		1
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETHER_RNDIS
 
 /* USB device configuration */
 #define CONFIG_USB_DEVICE		1

index e3ed8ea..fe67c84 100644
@@ -117,17 +117,14 @@
 #define CONFIG_SYS_I2C_NOPROBES		{{0x0, 0x0}}
 
 /* USB */
-#define CONFIG_MUSB_UDC			1
-#define CONFIG_USB_OMAP3		1
+#define CONFIG_MUSB_GADGET
+#define CONFIG_USB_MUSB_OMAP2PLUS
+#define CONFIG_MUSB_PIO_ONLY
+#define CONFIG_USB_GADGET_DUALSPEED
 #define CONFIG_TWL4030_USB		1
 #define CONFIG_USB_ETHER
 #define CONFIG_USB_ETHER_RNDIS
 
-/* USB device configuration */
-#define CONFIG_USB_DEVICE		1
-#define CONFIG_USB_TTY			1
-#define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
-
 /* USB EHCI */
 #define CONFIG_CMD_USB
 #define CONFIG_USB_EHCI