summaryrefslogtreecommitdiff
path: root/drivers/mtd/parsers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/parsers')
-rw-r--r--drivers/mtd/parsers/Kconfig7
-rw-r--r--drivers/mtd/parsers/Makefile1
-rw-r--r--drivers/mtd/parsers/ar7part.c129
-rw-r--r--drivers/mtd/parsers/bcm47xxpart.c2
-rw-r--r--drivers/mtd/parsers/bcm63xxpart.c1
-rw-r--r--drivers/mtd/parsers/brcm_u-boot.c1
-rw-r--r--drivers/mtd/parsers/cmdlinepart.c18
-rw-r--r--drivers/mtd/parsers/ofpart_core.c23
-rw-r--r--drivers/mtd/parsers/redboot.c2
-rw-r--r--drivers/mtd/parsers/tplink_safeloader.c1
10 files changed, 31 insertions, 154 deletions
diff --git a/drivers/mtd/parsers/Kconfig b/drivers/mtd/parsers/Kconfig
index b20e0c38b517..da03ab6efe04 100644
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
@@ -1,9 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
-config MTD_AR7_PARTS
- tristate "TI AR7 partitioning parser"
- help
- TI AR7 partitioning parser support
-
config MTD_BCM47XX_PARTS
tristate "BCM47XX partitioning parser"
depends on BCM47XX || ARCH_BCM_5301X
@@ -149,7 +144,7 @@ config MTD_PARSER_TRX
config MTD_SHARPSL_PARTS
tristate "Sharp SL Series NAND flash partition parser"
- depends on MTD_NAND_SHARPSL || MTD_NAND_TMIO || COMPILE_TEST
+ depends on MTD_NAND_SHARPSL || COMPILE_TEST
help
This provides the read-only FTL logic necessary to read the partition
table from the NAND flash of Sharp SL Series (Zaurus) and the MTD
diff --git a/drivers/mtd/parsers/Makefile b/drivers/mtd/parsers/Makefile
index 0e70b621a1d8..9b00c62b837a 100644
--- a/drivers/mtd/parsers/Makefile
+++ b/drivers/mtd/parsers/Makefile
@@ -1,5 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
obj-$(CONFIG_MTD_BCM47XX_PARTS) += bcm47xxpart.o
obj-$(CONFIG_MTD_BCM63XX_PARTS) += bcm63xxpart.o
obj-$(CONFIG_MTD_BRCM_U_BOOT) += brcm_u-boot.o
diff --git a/drivers/mtd/parsers/ar7part.c b/drivers/mtd/parsers/ar7part.c
deleted file mode 100644
index 8cd683711ac6..000000000000
--- a/drivers/mtd/parsers/ar7part.c
+++ /dev/null
@@ -1,129 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright © 2007 Eugene Konev <ejka@openwrt.org>
- *
- * TI AR7 flash partition table.
- * Based on ar7 map by Felix Fietkau <nbd@openwrt.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/memblock.h>
-#include <linux/module.h>
-
-#include <uapi/linux/magic.h>
-
-#define AR7_PARTS 4
-#define ROOT_OFFSET 0xe0000
-
-#define LOADER_MAGIC1 le32_to_cpu(0xfeedfa42)
-#define LOADER_MAGIC2 le32_to_cpu(0xfeed1281)
-
-struct ar7_bin_rec {
- unsigned int checksum;
- unsigned int length;
- unsigned int address;
-};
-
-static int create_mtd_partitions(struct mtd_info *master,
- const struct mtd_partition **pparts,
- struct mtd_part_parser_data *data)
-{
- struct ar7_bin_rec header;
- unsigned int offset;
- size_t len;
- unsigned int pre_size = master->erasesize, post_size = 0;
- unsigned int root_offset = ROOT_OFFSET;
-
- int retries = 10;
- struct mtd_partition *ar7_parts;
-
- ar7_parts = kcalloc(AR7_PARTS, sizeof(*ar7_parts), GFP_KERNEL);
- if (!ar7_parts)
- return -ENOMEM;
- ar7_parts[0].name = "loader";
- ar7_parts[0].offset = 0;
- ar7_parts[0].size = master->erasesize;
- ar7_parts[0].mask_flags = MTD_WRITEABLE;
-
- ar7_parts[1].name = "config";
- ar7_parts[1].offset = 0;
- ar7_parts[1].size = master->erasesize;
- ar7_parts[1].mask_flags = 0;
-
- do { /* Try 10 blocks starting from master->erasesize */
- offset = pre_size;
- mtd_read(master, offset, sizeof(header), &len,
- (uint8_t *)&header);
- if (!strncmp((char *)&header, "TIENV0.8", 8))
- ar7_parts[1].offset = pre_size;
- if (header.checksum == LOADER_MAGIC1)
- break;
- if (header.checksum == LOADER_MAGIC2)
- break;
- pre_size += master->erasesize;
- } while (retries--);
-
- pre_size = offset;
-
- if (!ar7_parts[1].offset) {
- ar7_parts[1].offset = master->size - master->erasesize;
- post_size = master->erasesize;
- }
-
- switch (header.checksum) {
- case LOADER_MAGIC1:
- while (header.length) {
- offset += sizeof(header) + header.length;
- mtd_read(master, offset, sizeof(header), &len,
- (uint8_t *)&header);
- }
- root_offset = offset + sizeof(header) + 4;
- break;
- case LOADER_MAGIC2:
- while (header.length) {
- offset += sizeof(header) + header.length;
- mtd_read(master, offset, sizeof(header), &len,
- (uint8_t *)&header);
- }
- root_offset = offset + sizeof(header) + 4 + 0xff;
- root_offset &= ~(uint32_t)0xff;
- break;
- default:
- printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum);
- break;
- }
-
- mtd_read(master, root_offset, sizeof(header), &len, (u8 *)&header);
- if (header.checksum != SQUASHFS_MAGIC) {
- root_offset += master->erasesize - 1;
- root_offset &= ~(master->erasesize - 1);
- }
-
- ar7_parts[2].name = "linux";
- ar7_parts[2].offset = pre_size;
- ar7_parts[2].size = master->size - pre_size - post_size;
- ar7_parts[2].mask_flags = 0;
-
- ar7_parts[3].name = "rootfs";
- ar7_parts[3].offset = root_offset;
- ar7_parts[3].size = master->size - root_offset - post_size;
- ar7_parts[3].mask_flags = 0;
-
- *pparts = ar7_parts;
- return AR7_PARTS;
-}
-
-static struct mtd_part_parser ar7_parser = {
- .parse_fn = create_mtd_partitions,
- .name = "ar7part",
-};
-module_mtd_part_parser(ar7_parser);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR( "Felix Fietkau <nbd@openwrt.org>, "
- "Eugene Konev <ejka@openwrt.org>");
-MODULE_DESCRIPTION("MTD partitioning for TI AR7");
diff --git a/drivers/mtd/parsers/bcm47xxpart.c b/drivers/mtd/parsers/bcm47xxpart.c
index 13daf9bffd08..49c8e7f27f21 100644
--- a/drivers/mtd/parsers/bcm47xxpart.c
+++ b/drivers/mtd/parsers/bcm47xxpart.c
@@ -95,7 +95,7 @@ static int bcm47xxpart_parse(struct mtd_info *master,
uint32_t blocksize = master->erasesize;
int trx_parts[2]; /* Array with indexes of TRX partitions */
int trx_num = 0; /* Number of found TRX partitions */
- int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
+ static const int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
int err;
/*
diff --git a/drivers/mtd/parsers/bcm63xxpart.c b/drivers/mtd/parsers/bcm63xxpart.c
index b15bdadaedb5..6e7b1ae8f58f 100644
--- a/drivers/mtd/parsers/bcm63xxpart.c
+++ b/drivers/mtd/parsers/bcm63xxpart.c
@@ -164,7 +164,6 @@ static struct mtd_part_parser bcm63xx_cfe_parser = {
};
module_mtd_part_parser(bcm63xx_cfe_parser);
-MODULE_LICENSE("GPL");
MODULE_AUTHOR("Daniel Dickinson <openwrt@cshore.neomailbox.net>");
MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
MODULE_AUTHOR("Mike Albon <malbon@openwrt.org>");
diff --git a/drivers/mtd/parsers/brcm_u-boot.c b/drivers/mtd/parsers/brcm_u-boot.c
index 7c338dc7b8f3..984f98923446 100644
--- a/drivers/mtd/parsers/brcm_u-boot.c
+++ b/drivers/mtd/parsers/brcm_u-boot.c
@@ -81,4 +81,5 @@ static struct mtd_part_parser brcm_u_boot_mtd_parser = {
};
module_mtd_part_parser(brcm_u_boot_mtd_parser);
+MODULE_DESCRIPTION("Broadcom's U-Boot partition parser");
MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/parsers/cmdlinepart.c b/drivers/mtd/parsers/cmdlinepart.c
index b34856def816..504e5fa2b45b 100644
--- a/drivers/mtd/parsers/cmdlinepart.c
+++ b/drivers/mtd/parsers/cmdlinepart.c
@@ -44,14 +44,6 @@
#include <linux/module.h>
#include <linux/err.h>
-/* debug macro */
-#if 0
-#define dbg(x) do { printk("DEBUG-CMDLINE-PART: "); printk x; } while(0)
-#else
-#define dbg(x)
-#endif
-
-
/* special size referring to all the remaining space in a partition */
#define SIZE_REMAINING ULLONG_MAX
#define OFFSET_CONTINUOUS ULLONG_MAX
@@ -199,9 +191,9 @@ static struct mtd_partition * newpart(char *s,
parts[this_part].name = extra_mem;
extra_mem += name_len + 1;
- dbg(("partition %d: name <%s>, offset %llx, size %llx, mask flags %x\n",
+ pr_debug("partition %d: name <%s>, offset %llx, size %llx, mask flags %x\n",
this_part, parts[this_part].name, parts[this_part].offset,
- parts[this_part].size, parts[this_part].mask_flags));
+ parts[this_part].size, parts[this_part].mask_flags);
/* return (updated) pointer to extra_mem memory */
if (extra_mem_ptr)
@@ -267,7 +259,7 @@ static int mtdpart_setup_real(char *s)
}
mtd_id_len = p - mtd_id;
- dbg(("parsing <%s>\n", p+1));
+ pr_debug("parsing <%s>\n", p+1);
/*
* parse one mtd. have it reserve memory for the
@@ -304,8 +296,8 @@ static int mtdpart_setup_real(char *s)
this_mtd->next = partitions;
partitions = this_mtd;
- dbg(("mtdid=<%s> num_parts=<%d>\n",
- this_mtd->mtd_id, this_mtd->num_parts));
+ pr_debug("mtdid=<%s> num_parts=<%d>\n",
+ this_mtd->mtd_id, this_mtd->num_parts);
/* EOS - we're done */
diff --git a/drivers/mtd/parsers/ofpart_core.c b/drivers/mtd/parsers/ofpart_core.c
index 192190c42fc8..abfa68798918 100644
--- a/drivers/mtd/parsers/ofpart_core.c
+++ b/drivers/mtd/parsers/ofpart_core.c
@@ -122,6 +122,25 @@ static int parse_fixed_partitions(struct mtd_info *master,
a_cells = of_n_addr_cells(pp);
s_cells = of_n_size_cells(pp);
+ if (!dedicated && s_cells == 0) {
+ /*
+ * This is a ugly workaround to not create
+ * regression on devices that are still creating
+ * partitions as direct children of the nand controller.
+ * This can happen in case the nand controller node has
+ * #size-cells equal to 0 and the firmware (e.g.
+ * U-Boot) just add the partitions there assuming
+ * 32-bit addressing.
+ *
+ * If you get this warning your firmware and/or DTS
+ * should be really fixed.
+ *
+ * This is working only for devices smaller than 4GiB.
+ */
+ pr_warn("%s: ofpart partition %pOF (%pOF) #size-cells is wrongly set to <0>, assuming <1> for parsing partitions.\n",
+ master->name, pp, mtd_node);
+ s_cells = 1;
+ }
if (len / 4 != a_cells + s_cells) {
pr_debug("%s: ofpart partition %pOF (%pOF) error parsing reg property.\n",
master->name, pp,
@@ -138,10 +157,10 @@ static int parse_fixed_partitions(struct mtd_info *master,
partname = of_get_property(pp, "name", &len);
parts[i].name = partname;
- if (of_get_property(pp, "read-only", &len))
+ if (of_property_read_bool(pp, "read-only"))
parts[i].mask_flags |= MTD_WRITEABLE;
- if (of_get_property(pp, "lock", &len))
+ if (of_property_read_bool(pp, "lock"))
parts[i].mask_flags |= MTD_POWERUP_LOCK;
if (of_property_read_bool(pp, "slc-mode"))
diff --git a/drivers/mtd/parsers/redboot.c b/drivers/mtd/parsers/redboot.c
index a16b42a88581..3b55b676ca6b 100644
--- a/drivers/mtd/parsers/redboot.c
+++ b/drivers/mtd/parsers/redboot.c
@@ -102,7 +102,7 @@ nogood:
offset -= master->erasesize;
}
} else {
- offset = directory * master->erasesize;
+ offset = (unsigned long) directory * master->erasesize;
while (mtd_block_isbad(master, offset)) {
offset += master->erasesize;
if (offset == master->size)
diff --git a/drivers/mtd/parsers/tplink_safeloader.c b/drivers/mtd/parsers/tplink_safeloader.c
index 1c689dafca2a..e358a029dc70 100644
--- a/drivers/mtd/parsers/tplink_safeloader.c
+++ b/drivers/mtd/parsers/tplink_safeloader.c
@@ -149,4 +149,5 @@ static struct mtd_part_parser mtd_parser_tplink_safeloader = {
};
module_mtd_part_parser(mtd_parser_tplink_safeloader);
+MODULE_DESCRIPTION("TP-Link Safeloader partitions parser");
MODULE_LICENSE("GPL");