add new command: reset, then we can reboot device after reflash

usbboot/src/cmd.c

@@ -962,3 +962,11 @@ close:
 out:
 	return res;
 }
+
+int device_reset(int ops)
+{
+	if (usb_ingenic_reset(&ingenic_dev, ops) < 1)
+		return -1;
+
+	return 1;
+}

usbboot/src/cmd.h

@@ -33,5 +33,6 @@ int nand_erase(struct nand_in *nand_in);
 int debug_memory(int obj, unsigned int start, unsigned int size);
 int debug_gpio(int obj, unsigned char ops, unsigned char pin);
 int debug_go(void);
+int device_reset(int ops);
 
 #endif  /* __CMD_H__ */

usbboot/src/command_line.c

@@ -204,6 +204,8 @@ int command_handle(char *buf)
 		debug_go();
 	else if (!strcmp("memtest", com_argv[0]))
 		handle_memtest();
+	else if (!strcmp("reset", com_argv[0]))
+		device_reset(0);
 	else if (!strcmp("help", com_argv[0]))
 		handle_help();
 	else if (!strcmp("exit", com_argv[0]))

usbboot/src/ingenic_usb.c

@@ -406,3 +406,24 @@ int usb_ingenic_sdram_ops(struct ingenic_dev *ingenic_dev, int ops)
 
 	return 1;
 }
+
+int usb_ingenic_reset(struct ingenic_dev *ingenic_dev, int ops)
+{
+	int status;
+	status = usb_control_msg(ingenic_dev->usb_handle,
+          /* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+          /* bRequest      */ VR_RESET,
+          /* wValue        */ ops,
+          /* wIndex        */ 0,
+          /* Data          */ 0,
+          /* wLength       */ 0,
+                              USB_TIMEOUT);
+
+	if (status != 0) {
+		fprintf(stderr, "Error - "
+			"reset XBurst device: %i\n", status);
+		return -1;
+	}
+
+	return 1;
+}

usbboot/src/ingenic_usb.h

@@ -35,7 +35,7 @@
 #define VR_NAND_OPS		0x07
 #define VR_SDRAM_OPS		0x08
 #define VR_CONFIGRATION		0x09
-#define VR_GET_NUM		0x0a
+#define VR_RESET		0x0a
 
 #define JZ4740V1	1
 #define JZ4750V1	2
@@ -77,5 +77,6 @@ int usb_send_data_length_to_ingenic(struct ingenic_dev *ingenic_dev,
 				    int len);
 int usb_ingenic_nand_ops(struct ingenic_dev *ingenic_dev, int ops);
 int usb_read_data_from_ingenic(struct ingenic_dev *ingenic_dev,unsigned char *buff, unsigned int len);
+int usb_ingenic_reset(struct ingenic_dev *ingenic_dev, int ops);
 
 #endif	/* __INGENIC_USB_H__ */

usbboot/xburst_include/target/usb_boot.h

@@ -44,7 +44,7 @@ enum USB_JZ4740_REQUEST	/* add for USB_BOOT */
 	VR_NAND_OPS,
 	VR_SDRAM_OPS,
 	VR_CONFIGRATION,
-	VR_OTHER
+	VR_RESET
 };
 
 #endif	/* __USB_BOOT_H__ */

usbboot/xburst_stage2/boothandler.c

@@ -51,8 +51,8 @@ extern void *memset(void *s, int c, size_t count);
 extern void *memcpy(void *dest, const void *src, size_t count);
 
 u32 ret_dat;
-u32 start_addr;  //program operation start address or sector
-u32 ops_length;  //number of operation unit ,in byte or sector
+u32 start_addr;  /* program operation start address or sector */
+u32 ops_length;  /* number of operation unit ,in byte or sector */
 u32 ram_addr;
 
 void dump_data(unsigned int *p, int size)
@@ -117,7 +117,6 @@ int PROGRAM_START1_Handle(u8 *buf)
 {
 	USB_DeviceRequest *dreq = (USB_DeviceRequest *)buf;
 	ram_addr=(((u32)dreq->wValue)<<16)+(u32)dreq->wIndex;
-	//dprintf("\n RAM ADDRESS :%x", ram_addr);
 	return ERR_OK;
 }
 
@@ -127,9 +126,9 @@ int PROGRAM_START2_Handle(u8 *buf)
 	USB_DeviceRequest *dreq = (USB_DeviceRequest *)buf;
 	f=(void *) ((((u32)dreq->wValue)<<16)+(u32)dreq->wIndex);
 	__dcache_writeback_all();
-	//stop udc connet before execute program!
-	jz_writeb(USB_REG_POWER,0x0);   //High speed
-	//dprintf("\n Execute program at %x",(u32)f);
+	/* stop udc connet before execute program! */
+	jz_writeb(USB_REG_POWER,0x0);   /* High speed */
+
 	f();
 	return ERR_OK;
 }
@@ -273,7 +272,6 @@ int SDRAM_OPS_Handle(u8 *buf)
 	switch ((dreq->wValue)&0xf)
 	{
 	case 	SDRAM_LOAD:
-		//dprintf("\n Request : SDRAM_LOAD!");
 		ret_dat = (u32)memcpy((u8 *)start_addr,Bulk_out_buf,ops_length);
 		handshake_PKT[0] = (u16) ret_dat;
 		handshake_PKT[1] = (u16) (ret_dat>>16);
@@ -291,7 +289,6 @@ void Borad_Init()
 	switch (Hand.fw_args.cpu_id)
 	{
 	case 0x4740:
-		//Init nand flash
 		nand_init_4740(Hand.nand_bw, Hand.nand_rc, Hand.nand_ps, 
 			       Hand.nand_ppb, Hand.nand_bbpage, Hand.nand_bbpos,
 			       Hand.nand_force_erase, Hand.nand_eccpos);
@@ -307,7 +304,6 @@ void Borad_Init()
 		nand_mark_bad = nand_mark_bad_4740;
 		break;
 	case 0x4760:
-		//Init nand flash
 		nand_init_4760(Hand.nand_bw, Hand.nand_rc, Hand.nand_ps,
 			       Hand.nand_ppb, Hand.nand_bchbit, Hand.nand_eccpos,
 			       Hand.nand_bbpos, Hand.nand_bbpage, Hand.nand_force_erase);
@@ -351,3 +347,14 @@ int CONFIGRATION_Handle(u8 *buf)
 }
 
 
+int RESET_Handle(u8 *buf)
+{
+	dprintf("\n RESET Device");
+	__wdt_select_extalclk();
+	__wdt_select_clk_div64();
+	__wdt_set_data(100);
+	__wdt_set_count(0);
+	__tcu_start_wdt_clock();
+	__wdt_start();
+	while(1);
+}

usbboot/xburst_stage2/udc.c

@@ -418,6 +418,9 @@ void usbHandleVendorReq(u8 *buf)
 		SDRAM_OPS_Handle(buf);
 		Bulk_out_size = 0;
 		break;
+	case VR_RESET:
+		ret_state = RESET_Handle(buf);
+		break;
 	}
 }