M7350v1_en_gpl

bootable/bootloader/lk/target/qsd8250_ffa/atags.c

@@ -0,0 +1,82 @@
+/* Copyright (c) 2009, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of The Linux Foundation nor
+ *       the names of its contributors may be used to endorse or promote
+ *       products derived from this software without specific prior written
+ *       permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <reg.h>
+
+#define EBI1_SIZE1   	0x0E800000 //232MB for 256/512/1024MB RAM
+#define EBI1_ADDR1    	0x20000000
+
+#define EBI1_SIZE2_512M 0x10000000 //256MB for 512MB RAM
+#define EBI1_SIZE2_1G   0x30000000 //768MB for 1GB RAM
+#define EBI1_ADDR2    	0x30000000
+
+static unsigned check_1gb_mem()
+{
+	// check for 1GB
+	unsigned adr1 = 0x57000000;
+	unsigned adr2 = 0x5F000000;
+	unsigned value1 = 0x55555555;
+	unsigned value2 = 0xAAAAAAAA;
+
+	writel(value1, adr1);
+	writel(value2, adr2);
+
+	return ((value1 == readl(adr1)) && (value2 == readl(adr2)));
+}
+
+
+unsigned* target_atag_mem(unsigned* ptr)
+{
+	unsigned size;
+
+	/* ATAG_MEM */
+	/* 1st segment */
+	*ptr++ = 4;
+	*ptr++ = 0x54410002;
+	*ptr++ = EBI1_SIZE1;
+	*ptr++ = EBI1_ADDR1;
+
+	/* 2nd segment */
+#ifdef USE_512M_RAM
+	size = EBI1_SIZE2_512M;
+#else
+	size = 0;
+#endif
+	if (check_1gb_mem()) {
+		size = EBI1_SIZE2_1G;
+	}
+
+	if (size > 0) {
+		*ptr++ = 4;
+		*ptr++ = 0x54410002;
+		*ptr++ = size;
+		*ptr++ = EBI1_ADDR2;
+	}
+
+	return ptr;
+}

bootable/bootloader/lk/target/qsd8250_ffa/include/target/display.h

@@ -0,0 +1,47 @@
+/* Copyright (c) 2010, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef _TARGET_QSD8250_FFA_DISPLAY_H
+#define _TARGET_QSD8250_FFA_DISPLAY_H
+
+#define TARGET_XRES 480
+#define TARGET_YRES 800
+
+#define LCDC_FB_WIDTH     800
+#define LCDC_FB_HEIGHT    480
+
+#define LCDC_HSYNC_PULSE_WIDTH_DCLK 60
+#define LCDC_HSYNC_BACK_PORCH_DCLK  81
+#define LCDC_HSYNC_FRONT_PORCH_DCLK 81
+#define LCDC_HSYNC_SKEW_DCLK        0
+
+#define LCDC_VSYNC_PULSE_WIDTH_LINES 2
+#define LCDC_VSYNC_BACK_PORCH_LINES  20
+#define LCDC_VSYNC_FRONT_PORCH_LINES 27
+
+#endif

bootable/bootloader/lk/target/qsd8250_ffa/init.c

@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2009, Google Inc.
+ * All rights reserved.
+ * Copyright (c) 2009-2010, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name of Google, Inc. nor the names of its contributors
+ *    may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <debug.h>
+#include <dev/keys.h>
+#include <dev/gpio_keypad.h>
+#include <lib/ptable.h>
+#include <dev/flash.h>
+#include <smem.h>
+
+#define LINUX_MACHTYPE  2710
+
+#define VARIABLE_LENGTH        0x10101010
+#define DIFF_START_ADDR        0xF0F0F0F0
+#define NUM_PAGES_PER_BLOCK    0x40
+
+static struct ptable flash_ptable;
+
+/* for these partitions, start will be offset by either what we get from
+ * smem, or from the above offset if smem is not useful. Also, we should
+ * probably have smem_ptable code populate our flash_ptable.
+ *
+ * When smem provides us with a full partition table, we can get rid of
+ * this altogether.
+ *
+ */
+static struct ptentry board_part_list[] = {
+	{
+		.start = 0,
+		.length = 5 /* In MB */,
+		.name = "boot",
+	},
+	{
+		.start = DIFF_START_ADDR,
+		.length = 100 /* In MB */,
+		.name = "system",
+	},
+	{
+		.start = DIFF_START_ADDR,
+		.length = 30 /* In MB */,
+		.name = "cache",
+	},
+	{
+		.start = DIFF_START_ADDR,
+		.length = 1 /* In MB */,
+		.name = "misc",
+	},
+	{
+		.start = DIFF_START_ADDR,
+		.length = VARIABLE_LENGTH,
+		.name = "userdata",
+	},
+	{
+		.start = DIFF_START_ADDR,
+		.length = 5 /* In MB */,
+		.name = "recovery",
+	},
+};
+static int num_parts = sizeof(board_part_list)/sizeof(struct ptentry);
+
+void smem_ptable_init(void);
+unsigned smem_get_apps_flash_start(void);
+
+void keypad_init(void);
+
+void target_init(void)
+{
+	unsigned offset;
+	struct flash_info *flash_info;
+	unsigned total_num_of_blocks;
+	unsigned next_ptr_start_adr = 0;
+	unsigned blocks_per_1MB = 8; /* Default value of 2k page size on 256MB flash drive*/
+	int i;
+
+	dprintf(INFO, "target_init()\n");
+
+#if (!ENABLE_NANDWRITE)
+	keys_init();
+	keypad_init();
+#endif
+	ptable_init(&flash_ptable);
+	smem_ptable_init();
+
+	flash_init();
+	flash_info = flash_get_info();
+	ASSERT(flash_info);
+
+	offset = smem_get_apps_flash_start();
+	if (offset == 0xffffffff)
+	        while(1);
+
+	total_num_of_blocks = flash_info->num_blocks;
+	blocks_per_1MB = (1 << 20) / (flash_info->block_size);
+
+	for (i = 0; i < num_parts; i++) {
+		struct ptentry *ptn = &board_part_list[i];
+		unsigned len = ((ptn->length) * blocks_per_1MB);
+
+		if(ptn->start != 0)
+			ASSERT(ptn->start == DIFF_START_ADDR);
+
+		ptn->start = next_ptr_start_adr;
+
+		if(ptn->length == VARIABLE_LENGTH)
+		{
+			unsigned length_for_prt = 0;
+			unsigned j;
+			for (j = i+1; j < num_parts; j++)
+			{
+			        struct ptentry *temp_ptn = &board_part_list[j];
+			        ASSERT(temp_ptn->length != VARIABLE_LENGTH);
+			        length_for_prt += ((temp_ptn->length) * blocks_per_1MB);
+			}
+			len = (total_num_of_blocks - 1) - (offset + ptn->start + length_for_prt);
+			ASSERT(len >= 0);
+		}
+
+		next_ptr_start_adr = ptn->start + len;
+		ptable_add(&flash_ptable, ptn->name, offset + ptn->start,
+			   len, ptn->flags, TYPE_APPS_PARTITION, PERM_WRITEABLE);
+	}
+
+	smem_add_modem_partitions(&flash_ptable);
+
+	ptable_dump(&flash_ptable);
+	flash_set_ptable(&flash_ptable);
+}
+
+unsigned board_machtype(void)
+{
+    return LINUX_MACHTYPE;
+}
+
+void reboot_device(unsigned reboot_reason)
+{
+    reboot(reboot_reason);
+}
+
+unsigned check_reboot_mode(void)
+{
+    unsigned mode[2] = {0, 0};
+    unsigned int mode_len = sizeof(mode);
+    unsigned smem_status;
+
+    smem_status = smem_read_alloc_entry(SMEM_APPS_BOOT_MODE,
+					&mode, mode_len );
+    if(smem_status)
+    {
+      dprintf(CRITICAL, "ERROR: unable to read shared memory for reboot mode\n");
+      return 0;
+    }
+    return mode[0];
+}

bootable/bootloader/lk/target/qsd8250_ffa/keypad.c

@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2009, Google Inc.
+ * All rights reserved.
+ * Copyright (c) 2009, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name of Google, Inc. nor the names of its contributors
+ *    may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <dev/keys.h>
+#include <dev/gpio_keypad.h>
+
+#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
+
+/* don't turn this on without updating the ffa support */
+#define SCAN_FUNCTION_KEYS 0
+
+static unsigned int halibut_row_gpios[] = {
+	31, 32, 33, 34, 35, 36
+#if SCAN_FUNCTION_KEYS
+	, 42
+#endif
+};
+
+static unsigned int halibut_col_gpios[] = { 38, 39, 40, 41, 42 };
+
+#define KEYMAP_INDEX(row, col) ((row)*ARRAY_SIZE(halibut_col_gpios) + (col))
+
+static const unsigned short halibut_keymap[ARRAY_SIZE(halibut_col_gpios) * ARRAY_SIZE(halibut_row_gpios)] = {
+	[KEYMAP_INDEX(0, 0)] = KEY_VOLUMEDOWN,
+	/*[KEYMAP_INDEX(0, 1)] = ,*/
+	[KEYMAP_INDEX(0, 2)] = KEY_DOWN,
+	[KEYMAP_INDEX(0, 3)] = KEY_8,
+	[KEYMAP_INDEX(0, 4)] = KEY_5,
+
+	[KEYMAP_INDEX(1, 0)] = KEY_UP,
+	[KEYMAP_INDEX(1, 1)] = KEY_CLEAR,
+	[KEYMAP_INDEX(1, 2)] = KEY_4,
+	/*[KEYMAP_INDEX(1, 3)] = ,*/
+	[KEYMAP_INDEX(1, 4)] = KEY_2,
+
+	[KEYMAP_INDEX(2, 0)] = KEY_HOME,      /* A    */
+	[KEYMAP_INDEX(2, 1)] = KEY_BACK,      /* B   */
+	[KEYMAP_INDEX(2, 2)] = KEY_0,
+	[KEYMAP_INDEX(2, 3)] = 228,           /* KEY_SHARP */
+	[KEYMAP_INDEX(2, 4)] = KEY_9,
+
+	[KEYMAP_INDEX(3, 0)] = KEY_3,
+	[KEYMAP_INDEX(3, 1)] = KEY_RIGHT,
+	[KEYMAP_INDEX(3, 2)] = KEY_VOLUMEUP,
+	/*[KEYMAP_INDEX(3, 3)] = ,*/
+	[KEYMAP_INDEX(3, 4)] = KEY_6,
+
+	[KEYMAP_INDEX(4, 0)] = 232,           /* OK */
+	[KEYMAP_INDEX(4, 1)] = KEY_SOUND,
+	[KEYMAP_INDEX(4, 2)] = KEY_1,
+	[KEYMAP_INDEX(4, 3)] = KEY_SEND,
+	[KEYMAP_INDEX(4, 4)] = KEY_LEFT,
+
+	/*[KEYMAP_INDEX(5, 0)] = ,*/
+	[KEYMAP_INDEX(5, 1)] = 227,           /* KEY_STAR */
+	[KEYMAP_INDEX(5, 2)] = 230,           /* (SOFT2)2 */
+	[KEYMAP_INDEX(5, 3)] = KEY_MENU,      /* 1 */
+	[KEYMAP_INDEX(5, 4)] = KEY_7,
+
+#if SCAN_FUNCTION_KEYS
+	[KEYMAP_INDEX(6, 0)] = KEY_F5,
+	[KEYMAP_INDEX(6, 1)] = KEY_F4,
+	[KEYMAP_INDEX(6, 2)] = KEY_F3,
+	[KEYMAP_INDEX(6, 3)] = KEY_F2,
+	[KEYMAP_INDEX(6, 4)] = KEY_F1
+#endif
+};
+
+static struct gpio_keypad_info halibut_keypad_info = {
+	.keymap		= halibut_keymap,
+	.output_gpios	= halibut_row_gpios,
+	.input_gpios	= halibut_col_gpios,
+	.noutputs	= ARRAY_SIZE(halibut_row_gpios),
+	.ninputs	= ARRAY_SIZE(halibut_col_gpios),
+	.settle_time	= 5 /* msec */,
+	.poll_time	= 20 /* msec */,
+	.flags		= GPIOKPF_DRIVE_INACTIVE,
+};
+
+void keypad_init(void)
+{
+	gpio_keypad_init(&halibut_keypad_info);
+}

bootable/bootloader/lk/target/qsd8250_ffa/rules.mk

@@ -0,0 +1,37 @@
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+INCLUDES += -I$(LOCAL_DIR)/include -I$(LK_TOP_DIR)/platform/msm_shared
+
+PLATFORM := qsd8k
+
+MEMBASE := 0x00000000 # SMI
+MEMSIZE := 0x00100000 # 1MB
+
+BASE_ADDR        := 0x20000000
+
+TAGS_ADDR        := BASE_ADDR+0x00000100
+KERNEL_ADDR      := BASE_ADDR+0x00008000
+RAMDISK_ADDR     := BASE_ADDR+0x01000000
+SCRATCH_ADDR     := BASE_ADDR+0x04000000
+
+KEYS_USE_GPIO_KEYPAD := 1
+
+DEFINES += DISPLAY_SPLASH_SCREEN=1
+DEFINES += DISPLAY_TYPE_MDDI=1
+
+MODULES += \
+	dev/keys \
+	lib/ptable
+
+DEFINES += \
+	SDRAM_SIZE=$(MEMSIZE) \
+	BASE_ADDR=$(BASE_ADDR) \
+	TAGS_ADDR=$(TAGS_ADDR) \
+	KERNEL_ADDR=$(KERNEL_ADDR) \
+	RAMDISK_ADDR=$(RAMDISK_ADDR) \
+	SCRATCH_ADDR=$(SCRATCH_ADDR)
+
+OBJS += \
+	$(LOCAL_DIR)/init.o \
+	$(LOCAL_DIR)/atags.o \
+	$(LOCAL_DIR)/keypad.o

bootable/bootloader/lk/target/qsd8250_ffa/tools/makefile

@@ -0,0 +1,30 @@
+#Makefile to generate appsboot.mbn
+
+ifeq ($(BOOTLOADER_OUT),.)
+APPSBOOTHEADER_DIR  := $(BUILDDIR)
+else
+APPSBOOTHEADER_DIR  := $(BOOTLOADER_OUT)/../../
+endif
+
+SRC_DIR  := target/$(TARGET)/tools
+COMPILER := gcc
+
+ifeq ($(BUILD_NANDWRITE), 1)
+  APPSBOOTHDR_FILES :=
+else
+  APPSBOOTHDR_FILES := appsboot.mbn
+endif
+
+APPSBOOTHEADER: $(APPSBOOTHDR_FILES)
+
+
+appsboot.mbn: appsboothd.mbn $(OUTBIN)
+	cat $(APPSBOOTHEADER_DIR)/appsboothd.mbn $(OUTBIN) > $(APPSBOOTHEADER_DIR)/appsboot.mbn
+	rm -rf $(APPSBOOTHEADER_DIR)/appsboothd.mbn 
+
+appsboothd.mbn: mkheader $(OUTBIN)
+	$(SRC_DIR)/mkheader $(OUTBIN) $(APPSBOOTHEADER_DIR)/appsboothd.mbn
+
+mkheader: $(SRC_DIR)/mkheader.c
+	${COMPILER} $(SRC_DIR)/mkheader.c -o $(SRC_DIR)/mkheader
+

bootable/bootloader/lk/target/qsd8250_ffa/tools/mkheader.c

@@ -0,0 +1,55 @@
+/* Copyright 2007, Google Inc. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <sys/stat.h>
+
+int main(int argc, char *argv[])
+{
+	struct stat s;
+	unsigned size, base;
+	unsigned magic[10];
+	int fd;
+
+	if(argc != 3) {
+		fprintf(stderr,"usage: mkheader <bin> <hdr>\n");
+		return -1;
+	}
+
+	if(stat(argv[1], &s)) {
+		perror("cannot stat binary");
+		return -1;
+	}
+
+	size = s.st_size;
+	base = 0;
+
+	magic[0] = 0x00000005; /* appsbl */
+	magic[1] = 0x00000002; /* nand */
+	magic[2] = 0x00000000; 
+	magic[3] = base;
+	magic[4] = size;
+	magic[5] = size;
+	magic[6] = size + base;
+	magic[7] = 0x00000000; 
+	magic[8] = size + base;
+        magic[9] = 0x00000000;
+
+	fd = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC, 0644);
+	if(fd < 0) {
+		perror("cannot open header for writing");
+		return -1;
+	}
+	if(write(fd, magic, sizeof(magic)) != sizeof(magic)) {
+		perror("cannot write header");
+		close(fd);
+		unlink(argv[2]);
+		return -1;
+	}
+	close(fd);
+
+	return 0;
+}