Merge branch 'next'

7 files changed, 75 insertions, 261 deletions

diff --git a/commands/Kconfig b/commands/Kconfig
index f137f47324..f192d30978 100644
--- a/commands/Kconfig
+++ b/commands/Kconfig
@@ -1,7 +1,14 @@
 config REGINFO
 	bool
 
-menu "Commands                      "
+config COMMAND_SUPPORT
+	bool
+	depends on !SHELL_NONE
+	default y
+
+if COMMAND_SUPPORT
+
+menu "commands                      "
 
 menu "scripting                     "
 
@@ -29,11 +36,13 @@ config CMD_LOADENV
 	prompt "loadenv"
 
 config CMD_EXPORT
+	depends on ENVIRONMENT_VARIABLES
 	tristate
 	prompt "export"
 
 config CMD_PRINTENV
 	tristate
+	depends on ENVIRONMENT_VARIABLES
 	prompt "printenv"
 
 config CMD_READLINE
@@ -142,6 +151,12 @@ config CMD_UMOUNT
 	default y
 	prompt "umount"
 
+config CMD_NAND
+	tristate
+	default y
+	depends on NAND
+	prompt "nand"
+
 endmenu
 
 menu "console                       "
@@ -387,4 +402,14 @@ config CMD_LED_TRIGGER
 	  The trigger command allows to control LED triggers from the command
 	  line.
 
+config CMD_USB
+	bool
+	depends on USB
+	prompt "usb command"
+	default y
+	help
+	  The usb command allows to rescan for USB devices.
+
 endmenu
+
+endif
diff --git a/commands/Makefile b/commands/Makefile
index c89adcfff0..f7ef9a8a2b 100644
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -37,7 +37,7 @@ obj-$(CONFIG_CMD_EXPORT)	+= export.o
 obj-$(CONFIG_CMD_PRINTENV)	+= printenv.o
 obj-$(CONFIG_CMD_SAVEENV)	+= saveenv.o
 obj-$(CONFIG_CMD_LOADENV)	+= loadenv.o
-obj-$(CONFIG_NAND)		+= nand.o
+obj-$(CONFIG_CMD_NAND)		+= nand.o
 obj-$(CONFIG_CMD_TRUE)		+= true.o
 obj-$(CONFIG_CMD_FALSE)		+= false.o
 obj-$(CONFIG_CMD_VERSION)	+= version.o
@@ -55,3 +55,4 @@ obj-$(CONFIG_CMD_PASSWD)	+= passwd.o
 obj-$(CONFIG_CMD_LOGIN)		+= login.o
 obj-$(CONFIG_CMD_LED)		+= led.o
 obj-$(CONFIG_CMD_LED_TRIGGER)	+= trigger.o
+obj-$(CONFIG_CMD_USB)		+= usb.o
diff --git a/commands/cp.c b/commands/cp.c
index ae8719b24b..342810528b 100644
--- a/commands/cp.c
+++ b/commands/cp.c
@@ -31,6 +31,7 @@
 #include <libbb.h>
 #include <fs.h>
 #include <malloc.h>
+#include <libgen.h>
 
 /**
  * @param[in] cmdtp FIXME
@@ -60,7 +61,7 @@ static int do_cp(struct command *cmdtp, int argc, char *argv[])
 	for (i = 1; i < argc - 1; i++) {
 		if (last_is_dir) {
 			char *dst;
-			dst = concat_path_file(argv[argc - 1], argv[i]);
+			dst = concat_path_file(argv[argc - 1], basename(argv[i]));
 			ret = copy_file(argv[i], dst);
 			if (ret)
 				goto out;
diff --git a/commands/loadenv.c b/commands/loadenv.c
index c33c34fcee..5568aced88 100644
--- a/commands/loadenv.c
+++ b/commands/loadenv.c
@@ -36,7 +36,7 @@ static int do_loadenv(struct command *cmdtp, int argc, char *argv[])
 	else
 		dirname = argv[2];
 	if (argc < 2)
-		filename = "/dev/env0";
+		filename = default_environment_path;
 	else
 		filename = argv[1];
 	printf("loading environment from %s\n", filename);
diff --git a/commands/nand.c b/commands/nand.c
index d3921b9f2d..88f242df0f 100644
--- a/commands/nand.c
+++ b/commands/nand.c
@@ -32,249 +32,6 @@
 #include <fcntl.h>
 #include <libgen.h>
 
-struct nand_bb {
-	char *devname;
-	char *name;
-	int open;
-	int needs_write;
-
-	struct mtd_info_user info;
-
-	size_t raw_size;
-	size_t size;
-	int fd;
-	off_t offset;
-	void *writebuf;
-
-	struct cdev cdev;
-};
-
-static ssize_t nand_bb_read(struct cdev *cdev, void *buf, size_t count,
-	unsigned long offset, ulong flags)
-{
-	struct nand_bb *bb = cdev->priv;
-	int ret, bytes = 0, now;
-
-	debug("%s %d %d\n", __func__, offset, count);
-
-	while(count) {
-		ret = ioctl(bb->fd, MEMGETBADBLOCK, (void *)bb->offset);
-		if (ret < 0)
-			return ret;
-
-		if (ret) {
-			printf("skipping bad block at 0x%08lx\n", bb->offset);
-			bb->offset += bb->info.erasesize;
-			continue;
-		}
-
-		now = min(count, (size_t)(bb->info.erasesize -
-				(bb->offset % bb->info.erasesize)));
-		lseek(bb->fd, bb->offset, SEEK_SET);
-		ret = read(bb->fd, buf, now);
-		if (ret < 0)
-			return ret;
-		buf += now;
-		count -= now;
-		bb->offset += now;
-		bytes += now;
-	};
-
-	return bytes;
-}
-
-/* Must be a multiple of the largest NAND page size */
-#define BB_WRITEBUF_SIZE	4096
-
-static int nand_bb_write_buf(struct nand_bb *bb, size_t count)
-{
-	int ret, now;
-	void *buf = bb->writebuf;
-	int cur_ofs = bb->offset & ~(BB_WRITEBUF_SIZE - 1);
-
-	while (count) {
-		ret = ioctl(bb->fd, MEMGETBADBLOCK, (void *)cur_ofs);
-		if (ret < 0)
-			return ret;
-
-		if (ret) {
-			debug("skipping bad block at 0x%08x\n", cur_ofs);
-			bb->offset += bb->info.erasesize;
-			cur_ofs += bb->info.erasesize;
-			continue;
-		}
-
-		now = min(count, (size_t)(bb->info.erasesize));
-		lseek(bb->fd, cur_ofs, SEEK_SET);
-		ret = write(bb->fd, buf, now);
-		if (ret < 0)
-			return ret;
-		buf += now;
-		count -= now;
-		cur_ofs += now;
-	};
-
-	return 0;
-}
-
-static ssize_t nand_bb_write(struct cdev *cdev, const void *buf, size_t count,
-	unsigned long offset, ulong flags)
-{
-	struct nand_bb *bb = cdev->priv;
-	int bytes = count, now, wroffs, ret;
-
-	debug("%s offset: 0x%08x count: 0x%08x\n", __func__, offset, count);
-
-	while (count) {
-		wroffs = bb->offset % BB_WRITEBUF_SIZE;
-		now = min((int)count, BB_WRITEBUF_SIZE - wroffs);
-		memcpy(bb->writebuf + wroffs, buf, now);
-
-		if (wroffs + now == BB_WRITEBUF_SIZE) {
-			bb->needs_write = 0;
-			ret = nand_bb_write_buf(bb, BB_WRITEBUF_SIZE);
-			if (ret)
-				return ret;
-		} else {
-			bb->needs_write = 1;
-		}
-
-		bb->offset += now;
-		count -= now;
-		buf += now;
-	}
-
-	return bytes;
-}
-
-static int nand_bb_erase(struct cdev *cdev, size_t count, unsigned long offset)
-{
-	struct nand_bb *bb = cdev->priv;
-
-	if (offset != 0) {
-		printf("can only erase from beginning of device\n");
-		return -EINVAL;
-	}
-
-	lseek(bb->fd, 0, SEEK_SET);
-
-	return erase(bb->fd, bb->raw_size, 0);
-}
-
-static int nand_bb_open(struct cdev *cdev, struct filep *f)
-{
-	struct nand_bb *bb = cdev->priv;
-
-	if (bb->open)
-		return -EBUSY;
-
-	bb->open = 1;
-	bb->offset = 0;
-	bb->needs_write = 0;
-	bb->writebuf = xmalloc(BB_WRITEBUF_SIZE);
-
-	return 0;
-}
-
-static int nand_bb_close(struct cdev *cdev, struct filep *f)
-{
-	struct nand_bb *bb = cdev->priv;
-
-	if (bb->needs_write)
-		nand_bb_write_buf(bb, bb->offset % BB_WRITEBUF_SIZE);
-
-	bb->open = 0;
-	free(bb->writebuf);
-
-	return 0;
-}
-
-static int nand_bb_calc_size(struct nand_bb *bb)
-{
-	ulong pos = 0;
-	int ret;
-
-	while (pos < bb->raw_size) {
-		ret = ioctl(bb->fd, MEMGETBADBLOCK, (void *)pos);
-		if (ret < 0)
-			return ret;
-		if (!ret)
-			bb->cdev.size += bb->info.erasesize;
-
-		pos += bb->info.erasesize;
-	}
-
-	return 0;
-}
-
-static struct file_operations nand_bb_ops = {
-	.open   = nand_bb_open,
-	.close  = nand_bb_close,
-	.read  	= nand_bb_read,
-	.write 	= nand_bb_write,
-	.erase	= nand_bb_erase,
-};
-
-/**
- * Add a bad block aware device ontop of another (NAND) device 
- * @param[in] dev The device to add a partition on
- * @param[in] name Partition name (can be obtained with devinfo command)
- * @return The device representing the new partition.
- */
-int dev_add_bb_dev(char *path, const char *name)
-{
-	struct nand_bb *bb;
-	int ret = -ENOMEM;
-	struct stat s;
-
-	bb = xzalloc(sizeof(*bb));
-	bb->devname = asprintf("/dev/%s", basename(path));
-	if (!bb->devname)
-		goto out1;
-
-	if (name)
-		bb->cdev.name = strdup(name);
-	else
-		bb->cdev.name = asprintf("%s.bb", basename(path));
-
-	if (!bb->cdev.name)
-		goto out2;
-
-	ret = stat(bb->devname, &s);
-	if (ret)
-		goto out3;
-
-	bb->raw_size = s.st_size;
-
-	bb->fd = open(bb->devname, O_RDWR);
-	if (bb->fd < 0) {
-		ret = -ENODEV;
-		goto out3;
-	}
-
-	ret = ioctl(bb->fd, MEMGETINFO, &bb->info);
-	if (ret)
-		goto out4;
-
-	nand_bb_calc_size(bb);
-	bb->cdev.ops = &nand_bb_ops;
-	bb->cdev.priv = bb;
-
-	devfs_create(&bb->cdev);
-
-	return 0;
-
-out4:
-	close(bb->fd);
-out3:
-	free(bb->cdev.name);
-out2:
-	free(bb->devname);
-out1:
-	free(bb);
-	return ret;
-}
-
 #define NAND_ADD (1 << 0)
 #define NAND_DEL (1 << 1)
 #define NAND_MARKBAD (1 << 2)
@@ -282,7 +39,6 @@ out1:
 static int do_nand(struct command *cmdtp, int argc, char *argv[])
 {
 	int opt;
-	struct nand_bb *bb;
 	int command = 0, badblock = 0;
 
 	while((opt = getopt(argc, argv, "adb:")) > 0) {
@@ -306,7 +62,7 @@ static int do_nand(struct command *cmdtp, int argc, char *argv[])
 
 	if (command & NAND_ADD) {
 		while (optind < argc) {
-			if (dev_add_bb_dev(argv[optind], NULL))
+			if (dev_add_bb_dev(basename(argv[optind]), NULL))
 				return 1;
 
 			optind++;
@@ -315,17 +71,7 @@ static int do_nand(struct command *cmdtp, int argc, char *argv[])
 
 	if (command & NAND_DEL) {
 		while (optind < argc) {
-			struct cdev *cdev;
-
-			cdev = cdev_by_name(basename(argv[optind]));
-			if (!cdev) {
-				printf("no such device: %s\n", argv[optind]);
-				return 1;
-			}
-			bb = cdev->priv;
-			close(bb->fd);
-			devfs_remove(cdev);
-			free(bb);
+			dev_remove_bb_dev(basename(argv[optind]));
 			optind++;
 		}
 	}
diff --git a/commands/saveenv.c b/commands/saveenv.c
index 2f969fe7b9..11a9fee54f 100644
--- a/commands/saveenv.c
+++ b/commands/saveenv.c
@@ -41,7 +41,7 @@ static int do_saveenv(struct command *cmdtp, int argc, char *argv[])
 	else
 		dirname = argv[2];
 	if (argc < 2)
-		filename = "/dev/env0";
+		filename = default_environment_path;
 	else
 		filename = argv[1];
 
diff --git a/commands/usb.c b/commands/usb.c
new file mode 100644
index 0000000000..0aac78ef09
--- /dev/null
+++ b/commands/usb.c
@@ -0,0 +1,41 @@
+/*
+ * usb.c - rescan for USB devices
+ *
+ * Copyright (c) 2011 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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 version 2
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <common.h>
+#include <command.h>
+#include <usb/usb.h>
+
+static int do_usb(struct command *cmdtp, int argc, char *argv[])
+{
+	usb_rescan();
+
+	return 0;
+}
+
+static const __maybe_unused char cmd_usb_help[] =
+"Usage: usb\n"
+"(re-)detect USB devices\n";
+
+BAREBOX_CMD_START(usb)
+	.cmd		= do_usb,
+	.usage		= "(re-)detect USB devices",
+	BAREBOX_CMD_HELP(cmd_usb_help)
+BAREBOX_CMD_END