+++ /dev/null
-/*
- * Parse MyLoader-style flash partition tables and produce a Linux partition
- * array to match.
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was based on drivers/mtd/redboot.c
- * Author: Red Hat, Inc. - David Woodhouse <dwmw2@cambridge.redhat.com>
- *
- * 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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/vmalloc.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/byteorder/generic.h>
-#include <linux/myloader.h>
-
-#define BLOCK_LEN_MIN 0x10000
-#define PART_NAME_LEN 32
-
-struct part_data {
- struct mylo_partition_table tab;
- char names[MYLO_MAX_PARTITIONS][PART_NAME_LEN];
-};
-
-int myloader_parse_partitions(struct mtd_info *master,
- struct mtd_partition **pparts,
- unsigned long origin)
-{
- struct part_data *buf;
- struct mylo_partition_table *tab;
- struct mylo_partition *part;
- struct mtd_partition *mtd_parts;
- struct mtd_partition *mtd_part;
- int num_parts;
- int ret, i;
- size_t retlen;
- char *names;
- unsigned long offset;
- unsigned long blocklen;
-
- buf = vmalloc(sizeof(*buf));
- if (!buf) {
- return -ENOMEM;
- goto out;
- }
- tab = &buf->tab;
-
- blocklen = master->erasesize;
- if (blocklen < BLOCK_LEN_MIN)
- blocklen = BLOCK_LEN_MIN;
-
- offset = blocklen;
-
- /* Find the partition table */
- for (i = 0; i < 4; i++, offset += blocklen) {
- printk(KERN_DEBUG "%s: searching for MyLoader partition table"
- " at offset 0x%lx\n", master->name, offset);
-
- ret = master->read(master, offset, sizeof(*buf), &retlen,
- (void *)buf);
- if (ret)
- goto out_free_buf;
-
- if (retlen != sizeof(*buf)) {
- ret = -EIO;
- goto out_free_buf;
- }
-
- /* Check for Partition Table magic number */
- if (tab->magic == le32_to_cpu(MYLO_MAGIC_PARTITIONS))
- break;
-
- }
-
- if (tab->magic != le32_to_cpu(MYLO_MAGIC_PARTITIONS)) {
- printk(KERN_DEBUG "%s: no MyLoader partition table found\n",
- master->name);
- ret = 0;
- goto out_free_buf;
- }
-
- /* The MyLoader and the Partition Table is always present */
- num_parts = 2;
-
- /* Detect number of used partitions */
- for (i = 0; i < MYLO_MAX_PARTITIONS; i++) {
- part = &tab->partitions[i];
-
- if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE)
- continue;
-
- num_parts++;
- }
-
- mtd_parts = kzalloc((num_parts * sizeof(*mtd_part) +
- num_parts * PART_NAME_LEN), GFP_KERNEL);
-
- if (!mtd_parts) {
- ret = -ENOMEM;
- goto out_free_buf;
- }
-
- mtd_part = mtd_parts;
- names = (char *)&mtd_parts[num_parts];
-
- strncpy(names, "myloader", PART_NAME_LEN);
- mtd_part->name = names;
- mtd_part->offset = 0;
- mtd_part->size = offset;
- mtd_part->mask_flags = MTD_WRITEABLE;
- mtd_part++;
- names += PART_NAME_LEN;
-
- strncpy(names, "partition_table", PART_NAME_LEN);
- mtd_part->name = names;
- mtd_part->offset = offset;
- mtd_part->size = blocklen;
- mtd_part->mask_flags = MTD_WRITEABLE;
- mtd_part++;
- names += PART_NAME_LEN;
-
- for (i = 0; i < MYLO_MAX_PARTITIONS; i++) {
- part = &tab->partitions[i];
-
- if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE)
- continue;
-
- if (buf->names[i][0])
- strncpy(names, buf->names[i], PART_NAME_LEN);
- else
- snprintf(names, PART_NAME_LEN, "partition%d", i);
-
- mtd_part->offset = le32_to_cpu(part->addr);
- mtd_part->size = le32_to_cpu(part->size);
- mtd_part->name = names;
- mtd_part++;
- names += PART_NAME_LEN;
- }
-
- *pparts = mtd_parts;
- ret = num_parts;
-
- out_free_buf:
- vfree(buf);
- out:
- return ret;
-}
-
-static struct mtd_part_parser myloader_mtd_parser = {
- .owner = THIS_MODULE,
- .parse_fn = myloader_parse_partitions,
- .name = "MyLoader",
-};
-
-static int __init myloader_mtd_parser_init(void)
-{
- return register_mtd_parser(&myloader_mtd_parser);
-}
-
-static void __exit myloader_mtd_parser_exit(void)
-{
- deregister_mtd_parser(&myloader_mtd_parser);
-}
-
-module_init(myloader_mtd_parser_init);
-module_exit(myloader_mtd_parser_exit);
-
-MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
-MODULE_DESCRIPTION("Parsing code for MyLoader partition tables");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
---- a/drivers/mtd/Kconfig
-+++ b/drivers/mtd/Kconfig
-@@ -174,6 +174,22 @@ config MTD_AR7_PARTS
- ---help---
- TI AR7 partitioning support
-
-+config MTD_MYLOADER_PARTS
-+ tristate "MyLoader partition parsing"
-+ depends on ADM5120 && MTD_PARTITIONS
-+ ---help---
-+ MyLoader is a bootloader which allows the user to define partitions
-+ in flash devices, by putting a table in the second erase block
-+ on the device, similar to a partition table. This table gives the
-+ offsets and lengths of the user defined partitions.
-+
-+ If you need code which can detect and parse these tables, and
-+ register MTD 'partitions' corresponding to each image detected,
-+ enable this option.
-+
-+ You will still need the parsing functions to be called by the driver
-+ for your particular device. It won't happen automatically.
-+
- comment "User Modules And Translation Layers"
-
- config MTD_CHAR
---- a/drivers/mtd/Makefile
-+++ b/drivers/mtd/Makefile
-@@ -13,6 +13,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdli
- obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
- obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
- obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
-+obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o
-
- # 'Users' - code which presents functionality to userspace.
- obj-$(CONFIG_MTD_CHAR) += mtdchar.o
+++ /dev/null
---- a/drivers/mtd/Kconfig
-+++ b/drivers/mtd/Kconfig
-@@ -172,6 +172,22 @@ config MTD_AR7_PARTS
- ---help---
- TI AR7 partitioning support
-
-+config MTD_MYLOADER_PARTS
-+ tristate "MyLoader partition parsing"
-+ depends on ADM5120 && MTD_PARTITIONS
-+ ---help---
-+ MyLoader is a bootloader which allows the user to define partitions
-+ in flash devices, by putting a table in the second erase block
-+ on the device, similar to a partition table. This table gives the
-+ offsets and lengths of the user defined partitions.
-+
-+ If you need code which can detect and parse these tables, and
-+ register MTD 'partitions' corresponding to each image detected,
-+ enable this option.
-+
-+ You will still need the parsing functions to be called by the driver
-+ for your particular device. It won't happen automatically.
-+
- comment "User Modules And Translation Layers"
-
- config MTD_CHAR
---- a/drivers/mtd/Makefile
-+++ b/drivers/mtd/Makefile
-@@ -13,6 +13,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdli
- obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
- obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
- obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
-+obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o
-
- # 'Users' - code which presents functionality to userspace.
- obj-$(CONFIG_MTD_CHAR) += mtdchar.o
# CONFIG_MTD_DATAFLASH is not set
# CONFIG_MTD_M25P80 is not set
# CONFIG_MTD_INTEL_VR_NOR is not set
+# CONFIG_MTD_MYLOADER_PARTS is not set
# CONFIG_MTD_NAND is not set
# CONFIG_MTD_OOPS is not set
# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
# CONFIG_MTD_DOC2001PLUS is not set
# CONFIG_MTD_INTEL_VR_NOR is not set
# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_MYLOADER_PARTS is not set
# CONFIG_MTD_NAND is not set
# CONFIG_MTD_OOPS is not set
# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
--- /dev/null
+/*
+ * Parse MyLoader-style flash partition tables and produce a Linux partition
+ * array to match.
+ *
+ * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This file was based on drivers/mtd/redboot.c
+ * Author: Red Hat, Inc. - David Woodhouse <dwmw2@cambridge.redhat.com>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/vmalloc.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/byteorder/generic.h>
+#include <linux/myloader.h>
+
+#define BLOCK_LEN_MIN 0x10000
+#define PART_NAME_LEN 32
+
+struct part_data {
+ struct mylo_partition_table tab;
+ char names[MYLO_MAX_PARTITIONS][PART_NAME_LEN];
+};
+
+int myloader_parse_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ unsigned long origin)
+{
+ struct part_data *buf;
+ struct mylo_partition_table *tab;
+ struct mylo_partition *part;
+ struct mtd_partition *mtd_parts;
+ struct mtd_partition *mtd_part;
+ int num_parts;
+ int ret, i;
+ size_t retlen;
+ char *names;
+ unsigned long offset;
+ unsigned long blocklen;
+
+ buf = vmalloc(sizeof(*buf));
+ if (!buf) {
+ return -ENOMEM;
+ goto out;
+ }
+ tab = &buf->tab;
+
+ blocklen = master->erasesize;
+ if (blocklen < BLOCK_LEN_MIN)
+ blocklen = BLOCK_LEN_MIN;
+
+ offset = blocklen;
+
+ /* Find the partition table */
+ for (i = 0; i < 4; i++, offset += blocklen) {
+ printk(KERN_DEBUG "%s: searching for MyLoader partition table"
+ " at offset 0x%lx\n", master->name, offset);
+
+ ret = master->read(master, offset, sizeof(*buf), &retlen,
+ (void *)buf);
+ if (ret)
+ goto out_free_buf;
+
+ if (retlen != sizeof(*buf)) {
+ ret = -EIO;
+ goto out_free_buf;
+ }
+
+ /* Check for Partition Table magic number */
+ if (tab->magic == le32_to_cpu(MYLO_MAGIC_PARTITIONS))
+ break;
+
+ }
+
+ if (tab->magic != le32_to_cpu(MYLO_MAGIC_PARTITIONS)) {
+ printk(KERN_DEBUG "%s: no MyLoader partition table found\n",
+ master->name);
+ ret = 0;
+ goto out_free_buf;
+ }
+
+ /* The MyLoader and the Partition Table is always present */
+ num_parts = 2;
+
+ /* Detect number of used partitions */
+ for (i = 0; i < MYLO_MAX_PARTITIONS; i++) {
+ part = &tab->partitions[i];
+
+ if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE)
+ continue;
+
+ num_parts++;
+ }
+
+ mtd_parts = kzalloc((num_parts * sizeof(*mtd_part) +
+ num_parts * PART_NAME_LEN), GFP_KERNEL);
+
+ if (!mtd_parts) {
+ ret = -ENOMEM;
+ goto out_free_buf;
+ }
+
+ mtd_part = mtd_parts;
+ names = (char *)&mtd_parts[num_parts];
+
+ strncpy(names, "myloader", PART_NAME_LEN);
+ mtd_part->name = names;
+ mtd_part->offset = 0;
+ mtd_part->size = offset;
+ mtd_part->mask_flags = MTD_WRITEABLE;
+ mtd_part++;
+ names += PART_NAME_LEN;
+
+ strncpy(names, "partition_table", PART_NAME_LEN);
+ mtd_part->name = names;
+ mtd_part->offset = offset;
+ mtd_part->size = blocklen;
+ mtd_part->mask_flags = MTD_WRITEABLE;
+ mtd_part++;
+ names += PART_NAME_LEN;
+
+ for (i = 0; i < MYLO_MAX_PARTITIONS; i++) {
+ part = &tab->partitions[i];
+
+ if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE)
+ continue;
+
+ if (buf->names[i][0])
+ strncpy(names, buf->names[i], PART_NAME_LEN);
+ else
+ snprintf(names, PART_NAME_LEN, "partition%d", i);
+
+ mtd_part->offset = le32_to_cpu(part->addr);
+ mtd_part->size = le32_to_cpu(part->size);
+ mtd_part->name = names;
+ mtd_part++;
+ names += PART_NAME_LEN;
+ }
+
+ *pparts = mtd_parts;
+ ret = num_parts;
+
+ out_free_buf:
+ vfree(buf);
+ out:
+ return ret;
+}
+
+static struct mtd_part_parser myloader_mtd_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = myloader_parse_partitions,
+ .name = "MyLoader",
+};
+
+static int __init myloader_mtd_parser_init(void)
+{
+ return register_mtd_parser(&myloader_mtd_parser);
+}
+
+static void __exit myloader_mtd_parser_exit(void)
+{
+ deregister_mtd_parser(&myloader_mtd_parser);
+}
+
+module_init(myloader_mtd_parser_init);
+module_exit(myloader_mtd_parser_exit);
+
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
+MODULE_DESCRIPTION("Parsing code for MyLoader partition tables");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+--- a/drivers/mtd/Kconfig
++++ b/drivers/mtd/Kconfig
+@@ -174,6 +174,22 @@ config MTD_AR7_PARTS
+ ---help---
+ TI AR7 partitioning support
+
++config MTD_MYLOADER_PARTS
++ tristate "MyLoader partition parsing"
++ depends on ADM5120 && MTD_PARTITIONS
++ ---help---
++ MyLoader is a bootloader which allows the user to define partitions
++ in flash devices, by putting a table in the second erase block
++ on the device, similar to a partition table. This table gives the
++ offsets and lengths of the user defined partitions.
++
++ If you need code which can detect and parse these tables, and
++ register MTD 'partitions' corresponding to each image detected,
++ enable this option.
++
++ You will still need the parsing functions to be called by the driver
++ for your particular device. It won't happen automatically.
++
+ comment "User Modules And Translation Layers"
+
+ config MTD_CHAR
+--- a/drivers/mtd/Makefile
++++ b/drivers/mtd/Makefile
+@@ -13,6 +13,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdli
+ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
+ obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
+ obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
++obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o
+
+ # 'Users' - code which presents functionality to userspace.
+ obj-$(CONFIG_MTD_CHAR) += mtdchar.o
--- /dev/null
+--- a/drivers/mtd/Kconfig
++++ b/drivers/mtd/Kconfig
+@@ -172,6 +172,22 @@ config MTD_AR7_PARTS
+ ---help---
+ TI AR7 partitioning support
+
++config MTD_MYLOADER_PARTS
++ tristate "MyLoader partition parsing"
++ depends on ADM5120 && MTD_PARTITIONS
++ ---help---
++ MyLoader is a bootloader which allows the user to define partitions
++ in flash devices, by putting a table in the second erase block
++ on the device, similar to a partition table. This table gives the
++ offsets and lengths of the user defined partitions.
++
++ If you need code which can detect and parse these tables, and
++ register MTD 'partitions' corresponding to each image detected,
++ enable this option.
++
++ You will still need the parsing functions to be called by the driver
++ for your particular device. It won't happen automatically.
++
+ comment "User Modules And Translation Layers"
+
+ config MTD_CHAR
+--- a/drivers/mtd/Makefile
++++ b/drivers/mtd/Makefile
+@@ -13,6 +13,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdli
+ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
+ obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
+ obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
++obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o
+
+ # 'Users' - code which presents functionality to userspace.
+ obj-$(CONFIG_MTD_CHAR) += mtdchar.o
projects / openwrt / staging / nbd.git / commitdiff