uboot-dfu.patch

Uboot常用的移植patches, 方便定制移植到s3c2440

+
+		if (part)
+			strdesc = create_usbstring(part->name);
+		else
+			strdesc = create_usbstring("undefined partition");
+		if (!strdesc)
+			continue;
+		slot = usb_strings+STR_COUNT+i+1;
+		if (*slot)
+			free(*slot);
+		*slot = strdesc;
+	}
+}
+
+#endif /* CONFIG_NAND_DYNPART */
+
+
+int dfu_init_instance(struct usb_device_instance *dev)
+{
+	int i;
+
+	for (i = 0; i != DFU_NUM_ALTERNATES; i++) {
+		struct usb_interface_descriptor *uif =
+		    dfu_cfg_descriptor.uif+i;
+
+		uif->bLength		= USB_DT_INTERFACE_SIZE;
+		uif->bDescriptorType	= USB_DT_INTERFACE;
+		uif->bAlternateSetting	= i;
+		uif->bInterfaceClass	= 0xfe;
+		uif->bInterfaceSubClass	= 1;
+		uif->bInterfaceProtocol	= 2;
+		uif->iInterface		= DFU_STR_ALT(i);
+	}
+
+	dev->dfu_dev_desc = &dfu_dev_descriptor;
+	dev->dfu_cfg_desc = &dfu_cfg_descriptor;
+	dev->dfu_state = DFU_STATE_appIDLE;
+	dev->dfu_status = DFU_STATUS_OK;
+
+	if (system_dfu_state)
+		printf("SURPRISE: system_dfu_state is already set\n");
+	system_dfu_state = &dev->dfu_state;
+
+	dfu_init_strings(dev);
+
+	return 0;
+}
+
+static int stdout_switched;
+
+/* event handler for usb device state events */
+void dfu_event(struct usb_device_instance *device,
+	       usb_device_event_t event, int data)
+{
+	char *out;
+
+	switch (event) {
+	case DEVICE_RESET:
+		switch (device->dfu_state) {
+		case DFU_STATE_appDETACH:
+			device->dfu_state = DFU_STATE_dfuIDLE;
+			out = getenv("stdout");
+			if (out && !strcmp(out, "usbtty")) {
+				setenv("stdout", "vga");
+				setenv("stderr", "vga");
+				stdout_switched = 1;
+			}
+			printf("DFU: Switching to DFU Mode\n");
+			break;
+		case DFU_STATE_dfuMANIFEST_WAIT_RST:
+			device->dfu_state = DFU_STATE_appIDLE;
+			printf("DFU: Switching back to Runtime mode\n");
+			if (stdout_switched) {
+				setenv("stdout", "usbtty");
+				setenv("stderr", "usbtty");
+				stdout_switched = 0;
+			}
+			break;
+		default:
+			break;
+		}
+		break;
+	case DEVICE_CONFIGURED:
+	case DEVICE_DE_CONFIGURED:
+		debug("SET_CONFIGURATION(%u) ", device->configuration);
+		/* fallthrough */
+	case DEVICE_SET_INTERFACE:
+		debug("SET_INTERFACE(%u,%u) old_state = %u ",
+			device->interface, device->alternate,
+			device->dfu_state);
+		switch (device->dfu_state) {
+		case DFU_STATE_appIDLE:
+		case DFU_STATE_appDETACH:
+		case DFU_STATE_dfuIDLE:
+		case DFU_STATE_dfuMANIFEST_WAIT_RST:
+			/* do nothing, we're fine */
+			break;
+		case DFU_STATE_dfuDNLOAD_SYNC:
+		case DFU_STATE_dfuDNBUSY:
+		case DFU_STATE_dfuDNLOAD_IDLE:
+		case DFU_STATE_dfuMANIFEST:
+			device->dfu_state = DFU_STATE_dfuERROR;
+			device->dfu_status = DFU_STATUS_errNOTDONE;
+			/* FIXME: free malloc()ed buffer! */
+			break;
+		case DFU_STATE_dfuMANIFEST_SYNC:
+		case DFU_STATE_dfuUPLOAD_IDLE:
+		case DFU_STATE_dfuERROR:
+			device->dfu_state = DFU_STATE_dfuERROR;
+			device->dfu_status = DFU_STATUS_errUNKNOWN;
+			break;
+		}
+		debug("new_state = %u\n", device->dfu_state);
+		break;
+	default:
+		break;
+	}
+}
+#endif /* CONFIG_USBD_DFU */
Index: u-boot/drivers/usb/Makefile
===================================================================
--- u-boot.orig/drivers/usb/Makefile
+++ u-boot/drivers/usb/Makefile
@@ -28,6 +28,7 @@
 COBJS-y += isp116x-hcd.o
 COBJS-y += sl811_usb.o
 COBJS-y += usb_ohci.o
+COBJS-y += usbdfu.o
 COBJS-y += usbdcore.o
 COBJS-y += usbdcore_ep0.o
 COBJS-y += usbdcore_mpc8xx.o
Index: u-boot/drivers/usb/usbdcore.c
===================================================================
--- u-boot.orig/drivers/usb/usbdcore.c
+++ u-boot/drivers/usb/usbdcore.c
@@ -31,6 +31,7 @@
 
 #include <malloc.h>
 #include "usbdcore.h"
+#include <usb_dfu.h>
 
 #define MAX_INTERFACES 2
 
@@ -212,6 +213,10 @@
  */
 struct usb_device_descriptor *usbd_device_device_descriptor (struct usb_device_instance *device, int port)
 {
+#ifdef CONFIG_USBD_DFU
+	if (device->dfu_state != DFU_STATE_appIDLE)
+		return device->dfu_dev_desc;
+#endif
 	return (device->device_descriptor);
 }
 
@@ -232,6 +237,10 @@
 	if (!(configuration_instance = usbd_device_configuration_instance (device, port, configuration))) {
 		return NULL;
 	}
+#ifdef CONFIG_USBD_DFU
+	if (device->dfu_state != DFU_STATE_appIDLE)
+		return (&device->dfu_cfg_desc->ucfg);
+#endif
 	return (configuration_instance->configuration_descriptor);
 }
 
@@ -253,6 +262,13 @@
 	if (!(interface_instance = usbd_device_interface_instance (device, port, configuration, interface))) {
 		return NULL;
 	}
+#ifdef CONFIG_USBD_DFU
+	if (device->dfu_state != DFU_STATE_appIDLE) {
+		if (alternate < 0 || alternate >= DFU_NUM_ALTERNATES)
+			return NULL;
+		return &device->dfu_cfg_desc->uif[alternate];
+	}
+#endif
 	if ((alternate < 0) || (alternate >= interface_instance->alternates)) {
 		return NULL;
 	}
@@ -681,4 +697,7 @@
 		/* usbdbg("calling device->event"); */
 		device->event(device, event, data);
 	}
+#ifdef CONFIG_USBD_DFU
+	dfu_event(device, event, data);
+#endif
 }
Index: u-boot/drivers/serial/usbtty.c
===================================================================
--- u-boot.orig/drivers/serial/usbtty.c
+++ u-boot/drivers/serial/usbtty.c
@@ -31,6 +31,8 @@
 #include "usbtty.h"
 #include "usb_cdc_acm.h"
 #include "usbdescriptors.h"
+#include <usb_dfu_descriptors.h>
+#include <usb_dfu.h>
 #include <config.h>		/* If defined, override Linux identifiers with
 			   	 * vendor specific ones */
 
@@ -106,7 +108,7 @@
 static unsigned short rx_endpoint = 0;
 static unsigned short tx_endpoint = 0;
 static unsigned short interface_count = 0;
-static struct usb_string_descriptor *usbtty_string_table[STR_COUNT];
+static struct usb_string_descriptor *usbtty_string_table[NUM_STRINGS];
 
 /* USB Descriptor Strings */
 static u8 wstrLang[4] = {4,USB_DT_STRING,0x9,0x4};
@@ -157,6 +159,10 @@
 	struct usb_interface_descriptor data_class_interface;
 	struct usb_endpoint_descriptor
 		data_endpoints[NUM_ENDPOINTS-1] __attribute__((packed));
+#ifdef CONFIG_USBD_DFU
+	struct usb_interface_descriptor uif_dfu;
+	struct usb_dfu_func_descriptor func_dfu;
+#endif
 } __attribute__((packed));
 
 static struct acm_config_desc acm_configuration_descriptors[NUM_CONFIGS] = {
@@ -167,7 +173,11 @@
     			.bDescriptorType = USB_DT_CONFIG,
 			.wTotalLength =
 				cpu_to_le16(sizeof(struct acm_config_desc)),
+#ifdef CONFIG_USBD_DFU
+	    		.bNumInterfaces = NUM_ACM_INTERFACES +1,
+#else
 	    		.bNumInterfaces = NUM_ACM_INTERFACES,
+#endif
     			.bConfigurationValue = 1,
 			.iConfiguration = STR_CONFIG,
 			.bmAttributes =
@@ -266,6 +276,11 @@
 				.bInterval		= 0xFF,
 			},
 		},
+#ifdef CONFIG_USBD_DFU
+		/* Interface 3 */
+		.uif_dfu = DFU_RT_IF_DESC,
+		.func_dfu = DFU_FUNC_DESC,
+#endif
 	},
 };
 
@@ -378,7 +393,7 @@
 void usbtty_poll (void);
 
 /* utility function for converting char* to wide string used by USB */
-static void str2wide (char *str, u16 * wide)
+void str2wide (char *str, u16 * wide)
 {
 	int i;
 	for (i = 0; i < strlen (str) && str[i]; i++){
@@ -654,6 +669,9 @@
 	device_instance->bus = bus_instance;
 	device_instance->configurations = NUM_CONFIGS;
 	device_instance->configuration_instance_array = config_instance;
+#ifdef CONFIG_USBD_DFU
+	dfu_init_instance(device_instance);
+#endif
 
 	/* initialize bus instance */
 	memset (bus_instance, 0, sizeof (struct usb_bus_instance));
Index: u-boot/include/configs/neo1973_gta01.h
===================================================================
--- u-boot.orig/include/configs/neo1973_gta01.h
+++ u-boot/include/configs/neo1973_gta01.h
@@ -159,7 +159,7 @@
  */
 #define CONFIG_STACKSIZE	(128*1024)	/* regular stack */
 #ifdef CONFIG_USE_IRQ
-#define CONFIG_STACKSIZE_IRQ	(4*1024)	/* IRQ stack */
+#define CONFIG_STACKSIZE_IRQ	(8*1024)	/* IRQ stack */
 #define CONFIG_STACKSIZE_FIQ	(4*1024)	/* FIQ stack */
 #endif
 
@@ -176,6 +176,10 @@
 #define CONFIG_USBD_MANUFACTURER	"OpenMoko, Inc"
 #define CONFIG_USBD_PRODUCT_NAME	"Neo1973 Bootloader " U_BOOT_VERSION
 #define CONFIG_EXTRA_ENV_SETTINGS 	"usbtty=cdc_acm\0"
+#define CONFIG_USBD_DFU			1
+#define CONFIG_USBD_DFU_XFER_SIZE 	4096	/* 0x4000 */
+#define CONFIG_USBD_DFU_INTERFACE	2
+
 
 /*-----------------------------------------------------------------------
  * Physical Memory Map
Index: u-boot/include/usb_dfu.h
===================================================================
--- /dev/null
+++ u-boot/include/usb_dfu.h
@@ -0,0 +1,94 @@
+#ifndef _DFU_H
+#define _DFU_H
+
+/* USB Device Firmware Update Implementation for u-boot
+ * (C) 2007 by OpenMoko, Inc.
+ * Author: Harald Welte <[e-mail]>
+ *
+ * based on: USB Device Firmware Update Implementation for OpenPCD
+ * (C) 2006 by Harald Welte <[e-mail]>
+ *
+ * This ought to be compliant to the USB DFU Spec 1.0 as available from
+ * http://www.usb.org/developers/devclass_docs/usbdfu10.pdf
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <asm/types.h>
+#include <usbdescriptors.h>
+#include <usb_dfu_descriptors.h>
+#include <config.h>
+
+/* USB DFU functional descriptor */
+#define DFU_FUNC_DESC  {						\
+	.bLength		= USB_DT_DFU_SIZE,			\
+	.bDescriptorType	= USB_DT_DFU,				\
+	.bmAttributes		= USB_DFU_CAN_UPLOAD | USB_DFU_CAN_DOWNLOAD | USB_DFU_MANIFEST_TOL, \
+	.wDetachTimeOut		= 0xff00,				\
+	.wTransferSize		= CONFIG_USBD_DFU_XFER_SIZE,		\
+	.bcdDFUVersion		= 0x0100,				\
+}
+
+/* USB Interface descriptor in Runtime mode */
+#define DFU_RT_IF_DESC	{						\
+	.bLength		= USB_DT_INTERFACE_SIZE,		\
+	.bDescriptorType	= USB_DT_INTERFACE,			\
+	.bInterfaceNumber	= CONFIG_USBD_DFU_INTERFACE,		\
+	.bAlternateSetting	= 0x00,					\
+	.bNumEndpoints		= 0x00,					\
+	.bInterfaceClass	= 0xfe,					\
+	.bInterfaceSubClass	= 0x01,					\
+	.bInterfaceProtocol	= 0x01,					\
+	.iInterface		= DFU_STR_CONFIG,			\
+}
+
+#define ARRAY_SIZE(x)           (sizeof(x) / sizeof((x)[0]))
+
+#ifndef DFU_NUM_ALTERNATES
+#define DFU_NUM_ALTERNATES	6
+#endif
+
+#define DFU_STR_MANUFACTURER	STR_MANUFACTURER
+#define DFU_STR_PRODUCT		STR_PRODUCT
+#define DFU_STR_SERIAL		STR_SERIAL
+#define DFU_STR_CONFIG		(STR_COUNT)
+#define DFU_STR_ALT(n)		(STR_COUNT+(n)+1)
+#define DFU_STR_COUNT		DFU_STR_ALT(DFU_NUM_ALTERNATES)
+
+#define CONFIG_DFU_CFG_STR	"USB Device Firmware Upgrade"
+#define CONFIG_DFU_ALT0_STR	"RAM 0x32000000"
+
+struct _dfu_desc {
+	struct usb_configuration_descriptor ucfg;
+	struct usb_interface_descriptor uif[DFU_NUM_ALTERNATES];
+	struct usb_dfu_func_descriptor func_dfu;
+};
+
+int dfu_init_instance(struct usb_device_instance *dev);
+
+#define DFU_EP0_NONE		0
+#define DFU_EP0_UNHANDLED	1
+#define DFU_EP0_STALL		2
+#define DFU_EP0_ZLP		3
+#define DFU_EP0_DATA		4
+
+extern volatile enum dfu_state *system_dfu_state; /* for 3rd parties */
+
+int dfu_ep0_handler(struct urb *urb);
+
+void dfu_event(struct usb_device_instance *device,
+	       usb_device_event_t event, int data);
+
+#endif /* _DFU_H */
Index: u-boot/include/usb_dfu_descriptors.h
===================================================================
--- /dev/null
+++ u-boot/include/usb_dfu_descriptors.h
@@ -0,0 +1,94 @@
+#ifndef _USB_DFU_H
+#define _USB_DFU_H
+/* USB Device Firmware Update Implementation for OpenPCD
+ * (C) 2006 by Harald Welte <[e-mail]>
+ *
+ * Protocol definitions for USB DFU
+ *
+ * This ought to be compliant to the USB DFU Spec 1.0 as available from
+ * http://www.usb.org/developers/devclass_docs/usbdfu10.pdf
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/types.h>
+
+#define USB_DT_DFU			0x21
+
+struct usb_dfu_func_descriptor {
+	u_int8_t		bLength;
+	u_int8_t		bDescriptorType;
+	u_int8_t		bmAttributes;
+#define USB_DFU_CAN_DOWNLOAD	(1 << 0)
+#define USB_DFU_CAN_UPLOAD	(1 << 1)
+#define USB_DFU_MANIFEST_TOL	(1 << 2)
+#define USB_DFU_WILL_DETACH	(1 << 3)
+	u_int16_t		wDetachTimeOut;
+	u_int16_t		wTransferSize;
+	u_int16_t		bcdDFUVersion;
+} __attribute__ ((packed));
+
+#define USB_DT_DFU_SIZE			9
+
+#define USB_TYPE_DFU		(USB_TYPE_CLASS|USB_RECIP_INTERFACE)
+
+/* DFU class-specific requests (Section 3, DFU Rev 1.1) */
+#define USB_REQ_DFU_DETACH	0x00
+#define USB_REQ_DFU_DNLOAD	0x01
+#define USB_REQ_DFU_UPLOAD	0x02
+#define USB_REQ_DFU_GETSTATUS	0x03
+#define USB_REQ_DFU_CLRSTATUS	0x04
+#define USB_REQ_DFU_GETSTATE	0x05
+#define USB_REQ_DFU_ABORT	0x06
+
+struct dfu_status {
+	u_int8_t bStatus;
+	u_int8_t bwPollTimeout[3];
+	u_int8_t bState;
+	u_int8_t iString;
+} __attribute__((packed));
+
+#define DFU_STATUS_OK			0x00
+#define DFU_STATUS_errTARGET		0x01
+#define DFU_STATUS_errFILE		0x02
+#define DFU_STATUS_errWRITE		0x03
+#define DFU_STATUS_errERASE		0x04
+#define DFU_STATUS_errCHECK_ERASED	0x05
+#define DFU_STATUS_errPROG		0x06
+#define DFU_STATUS_errVERIFY		0x07
+#define DFU_STATUS_errADDRESS		0x08
+#define DFU_STATUS_errNOTDONE		0x09
+#define DFU_STATUS_errFIRMWARE		0x0a
+#define DFU_STATUS_errVENDOR		0x0b
+#define DFU_STATUS_errUSBR		0x0c
+#define DFU_STATUS_errPOR		0x0d
+#define DFU_STATUS_errUNKNOWN		0x0e
+#define DFU_STATUS_errSTALLEDPKT	0x0f
+
+enum dfu_state {
+	DFU_STATE_appIDLE		= 0,
+	DFU_STATE_appDETACH		= 1,
+	DFU_STATE_dfuIDLE		= 2,
+	DFU_STATE_dfuDNLOAD_SYNC	= 3,
+	DFU_STATE_dfuDNBUSY		= 4,
+	DFU_STATE_dfuDNLOAD_IDLE	= 5,
+	DFU_STATE_dfuMANIFEST_SYNC	= 6,
+	DFU_STATE_dfuMANIFEST		= 7,
+	DFU_STATE_dfuMANIFEST_WAIT_RST	= 8,
+	DFU_STATE_dfuUPLOAD_IDLE	= 9,
+	DFU_STATE_dfuERROR		= 10,
+};
+
+#endif /* _USB_DFU_H */
Index: u-boot/include/usbdcore.h
===================================================================
--- u-boot.orig/include/usbdcore.h
+++ u-boot/include/usbdcore.h
@@ -33,6 +33,7 @@
 
 #include <common.h>
 #include "usbdescriptors.h"
+#include <usb_dfu_descriptors.h>
 
 
 #define MAX_URBS_QUEUED 5
@@ -475,7 +476,11 @@
  * function driver to inform it that data has arrived.
  */
 
+#ifdef CONFIG_USBD_DFU
+#define URB_BUF_SIZE (128+CONFIG_USBD_DFU_XFER_SIZE)
+#else
 #define URB_BUF_SIZE 128 /* in linux we'd malloc this, but in u-boot we prefer static data */
+#endif
 struct urb {
 
 	struct usb_endpoint_instance *endpoint;
@@ -603,6 +608,12 @@
 	unsigned long usbd_rxtx_timestamp;
 	unsigned long usbd_last_rxtx_timestamp;