add linux usb flash tool

flash-tool/Makefile

@@ -0,0 +1,50 @@
+#
+# "Ingenic flash tool" - flash the Ingenic CPU via USB
+#
+# (C) Copyright 2009
+# Author: Marek Lindner <lindner_marek@yahoo.de>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# version 3 as published by the Free Software Foundation.
+
+# 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., 51 Franklin Street, Fifth Floor,
+# Boston, MA  02110-1301, USA
+
+
+
+ifneq ($(findstring $(MAKEFLAGS),s),s)
+ifndef V
+	Q_CC = @echo '   ' CC $@;
+	Q_LD = @echo '   ' LD $@;
+	export Q_CC
+	export Q_LD
+endif
+endif
+
+CC = 		gcc
+CFLAGS +=	-pedantic -Wall -W -O1 -g3 -std=gnu99
+LDFLAGS +=	-lusb
+BINARY_NAME =	inflash
+
+SRC_C= main.c
+SRC_H= main.h
+SRC_O= $(SRC_C:.c=.o)
+
+$(BINARY_NAME):	$(SRC_O) $(SRC_H) Makefile
+	$(Q_LD)$(CC) -o $@ $(SRC_O) $(LDFLAGS)
+
+.c.o:
+	$(Q_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -MD -c $< -o $@
+-include $(SRC_C:.c=.d)
+
+clean:
+	rm -f $(BINARY_NAME) *.o
+	rm -f `find . -name '*.d' -print`

flash-tool/main.c

@@ -0,0 +1,165 @@
+/*
+ * "Ingenic flash tool" - flash the Ingenic CPU via USB
+ *
+ * (C) Copyright 2009
+ * Author: Marek Lindner <lindner_marek@yahoo.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 3 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA
+ */
+
+
+
+#include "main.h"
+
+#include <usb.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+
+static int get_ingenic_device(struct ingenic_dev *ingenic_dev)
+{
+	struct usb_bus *usb_busses, *usb_bus;
+	struct usb_device *usb_dev;
+	int count = 0;
+
+	usb_busses = usb_get_busses();
+
+	for (usb_bus = usb_busses; usb_bus != NULL; usb_bus = usb_bus->next) {
+		for (usb_dev = usb_bus->devices; usb_dev != NULL; usb_dev = usb_dev->next) {
+
+			if ((usb_dev->descriptor.idVendor == VENDOR_ID) &&
+				(usb_dev->descriptor.idProduct == PRODUCT_ID)) {
+				ingenic_dev->usb_dev = usb_dev;
+				count++;
+			}
+
+		}
+	}
+
+	return count;
+}
+
+static int get_ingenic_interface(struct ingenic_dev *ingenic_dev)
+{
+	struct usb_config_descriptor *usb_config_desc;
+	struct usb_interface_descriptor *usb_if_desc;
+	struct usb_interface *usb_if;
+	int config_index, if_index, alt_index;
+
+	for (config_index = 0; config_index < ingenic_dev->usb_dev->descriptor.bNumConfigurations; config_index++) {
+		usb_config_desc = &ingenic_dev->usb_dev->config[config_index];
+
+		if (!usb_config_desc)
+			return 0;
+
+		for (if_index = 0; if_index < usb_config_desc->bNumInterfaces; if_index++) {
+			usb_if = &usb_config_desc->interface[if_index];
+
+			if (!usb_if)
+				return 0;
+
+			for (alt_index = 0; alt_index < usb_if->num_altsetting; alt_index++) {
+				usb_if_desc = &usb_if->altsetting[alt_index];
+
+				if (!usb_if_desc)
+					return 0;
+
+				if ((usb_if_desc->bInterfaceClass == 0xff) &&
+					(usb_if_desc->bInterfaceSubClass == 0)) {
+					ingenic_dev->interface = usb_if_desc->bInterfaceNumber;
+					return 1;
+				}
+			}
+		}
+	}
+
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	int num_ingenic, status;
+	int res = EXIT_FAILURE;
+	char cpu_buff[8];
+	struct ingenic_dev ingenic_dev;
+
+	if ((getuid()) || (getgid())) {
+		fprintf(stderr, "Error - you must be root to run '%s'\n", argv[0]);
+		exit(EXIT_FAILURE);
+	}
+
+	memset(&ingenic_dev, 0, sizeof(struct ingenic_dev));
+	memset(cpu_buff, 0, sizeof(cpu_buff));
+
+	usb_init();
+// 	usb_set_debug(255);
+	usb_find_busses();
+	usb_find_devices();
+
+	num_ingenic = get_ingenic_device(&ingenic_dev);
+
+	if (num_ingenic == 0) {
+		fprintf(stderr, "Error - no Ingenic device found\n");
+		goto exit;
+	}
+
+	if (num_ingenic > 1) {
+		fprintf(stderr, "Error - too many Ingenic devices found: %i\n", num_ingenic);
+		goto exit;
+	}
+
+	ingenic_dev.usb_handle = usb_open(ingenic_dev.usb_dev);
+	if (!ingenic_dev.usb_handle) {
+		fprintf(stderr, "Error - can't open Ingenic device: %s\n", usb_strerror());
+		goto exit;
+	}
+
+	if (get_ingenic_interface(&ingenic_dev) < 1) {
+		fprintf(stderr, "Error - can't find Ingenic interface\n");
+		goto close_handle;
+	}
+
+	if (usb_claim_interface(ingenic_dev.usb_handle, ingenic_dev.interface) < 0) {
+		fprintf(stderr, "Error - can't claim Ingenic interface: %s\n", usb_strerror());
+		goto close_handle;
+	}
+
+	status = usb_control_msg(ingenic_dev.usb_handle,
+          /* bmRequestType */ INGENIC_REQUEST_TYPE,
+          /* bRequest      */ VR_GET_CPU_INFO,
+          /* wValue        */ 0,
+          /* wIndex        */ 0,
+          /* Data          */ cpu_buff,
+          /* wLength       */ 8,
+                              USB_TIMEOUT);
+
+	if (status != sizeof(cpu_buff)) {
+		fprintf(stderr, "Error - can't retrieve Ingenic CPU type: %i\n", status);
+		goto release_if;
+	}
+
+	printf("Found cpu: %02x, %02x, %02x, %02x, %02x, %02x, %02x, %02x\n",
+		cpu_buff[0], cpu_buff[1], cpu_buff[2], cpu_buff[3],
+		cpu_buff[4], cpu_buff[5], cpu_buff[6], cpu_buff[7]);
+
+release_if:
+	usb_release_interface(ingenic_dev.usb_handle, ingenic_dev.interface);
+close_handle:
+	usb_close(ingenic_dev.usb_handle);
+exit:
+	exit(res);
+}
+

flash-tool/main.h

@@ -0,0 +1,45 @@
+/*
+ * "Ingenic flash tool" - flash the Ingenic CPU via USB
+ *
+ * (C) Copyright 2009
+ * Author: Marek Lindner <lindner_marek@yahoo.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 3 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA
+ */
+
+
+
+#include <stdint.h>
+
+
+#define VENDOR_ID	0x601a
+#define PRODUCT_ID	0x4740
+
+#define INGENIC_REQUEST_TYPE	0x40
+#define VR_GET_CPU_INFO		0x00
+#define VR_SET_DATA_ADDRESS	0x01
+#define VR_SET_DATA_LENGTH	0x02
+#define VR_FLUSH_CACHES		0x03
+#define VR_PROGRAM_START1	0x04
+#define VR_PROGRAM_START2	0x05
+
+#define USB_TIMEOUT 5000
+
+
+struct ingenic_dev {
+	struct usb_device *usb_dev;
+	struct usb_dev_handle *usb_handle;
+	uint8_t interface;
+};