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author | Daniel Golle <daniel@makrotopia.org> | 2019-06-12 01:14:25 +0200 |
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committer | Daniel Golle <daniel@makrotopia.org> | 2019-06-12 01:18:52 +0200 |
commit | 000d400baa0af2e42c9a462e42df7dc9abde1ec7 (patch) | |
tree | a11c2dd570e8f02c4a141f135fc8db1e1d391ef2 /target/linux/ar7/files/drivers/mtd/ac49xpart.c | |
parent | c4e727f01cc40bd57274d0b885b0f75cde9c4683 (diff) | |
download | upstream-000d400baa0af2e42c9a462e42df7dc9abde1ec7.tar.gz upstream-000d400baa0af2e42c9a462e42df7dc9abde1ec7.tar.bz2 upstream-000d400baa0af2e42c9a462e42df7dc9abde1ec7.zip |
kernel: drop everything not on kernel version 4.14
* Remove testing patches for kernel version 4.19
* remove targets ar7, ixp4xx, orion
Those targets are still on kernel 4.9, patches for 4.14 were not ready
in time. They may be readded once people prepare and test patches for
kernel 4.14.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'target/linux/ar7/files/drivers/mtd/ac49xpart.c')
-rw-r--r-- | target/linux/ar7/files/drivers/mtd/ac49xpart.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/target/linux/ar7/files/drivers/mtd/ac49xpart.c b/target/linux/ar7/files/drivers/mtd/ac49xpart.c deleted file mode 100644 index 4f8a9c1b84..0000000000 --- a/target/linux/ar7/files/drivers/mtd/ac49xpart.c +++ /dev/null @@ -1,221 +0,0 @@ -/* - * AudioCodes AC49x PSPBoot-based flash partition table - * Copyright 2012 Daniel Golle <daniel.golle@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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 St, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#include <linux/kernel.h> -#include <linux/slab.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/bootmem.h> -#include <linux/magic.h> -#include <linux/module.h> - -#include <asm/mach-ar7/prom.h> - -#define AC49X_MAXENVPARTS 8 - -#define AC49X_PARTTYPE_LOADER 0 -#define AC49X_PARTTYPE_BOOTENV 1 -#define AC49X_PARTTYPE_LINUX 2 -#define AC49X_PARTTYPE_ROOTFS 3 -#define AC49X_PARTTYPE_UNKNOWN 4 -#define AC49X_NUM_PARTTYPES 5 - -#define AC49X_FLASH_ADDRMASK 0x00FFFFFF - -#define AC49X_LOADER_MAGIC 0x40809000 -#define AC49X_LINUX_MAGIC 0x464c457f /* ELF */ -#define AC49X_BOOTENV_MAGIC 0x4578614d /* MaxE */ - -#define ROOTFS_MIN_OFFSET 0xC0000 - -int parse_partvar(const unsigned char *partvar, struct mtd_partition *part) -{ - unsigned int partstart, partend; - unsigned int pnum; - - pnum = sscanf(partvar, "0x%x,0x%x", &partstart, &partend); - if (pnum != 2) - return 1; - - part->offset = partstart & AC49X_FLASH_ADDRMASK; - part->size = partend - partstart; - - return 0; -} - -int detect_parttype(struct mtd_info *master, struct mtd_partition part) -{ - unsigned int magic; - size_t len; - - if (part.size < 4) - return -1; - - mtd_read(master, part.offset, sizeof(magic), &len, - (uint8_t *)&magic); - - if (len != sizeof(magic)) - return -1; - - switch (magic) { - case AC49X_LOADER_MAGIC: - return AC49X_PARTTYPE_LOADER; - case AC49X_LINUX_MAGIC: - return AC49X_PARTTYPE_LINUX; - case SQUASHFS_MAGIC: - case CRAMFS_MAGIC: - case CRAMFS_MAGIC_WEND: - return AC49X_PARTTYPE_ROOTFS; - case AC49X_BOOTENV_MAGIC: - return AC49X_PARTTYPE_BOOTENV; - default: - switch (magic & 0xFF) { - case JFFS2_SUPER_MAGIC: - return AC49X_PARTTYPE_ROOTFS; - } - switch (magic >> 8) { - case JFFS2_SUPER_MAGIC: - return AC49X_PARTTYPE_ROOTFS; - } - return AC49X_PARTTYPE_UNKNOWN; - } -} - -const char *partnames[] = { - "loader", - "config", - "linux", - "rootfs", - "data" -}; - -void gen_partname(unsigned int type, - unsigned int *typenumeration, - struct mtd_partition *part) -{ - char *s = kzalloc(sizeof(char) * 8, GFP_KERNEL); - - (typenumeration[type])++; - if (typenumeration[type] == 1) - sprintf(s, "%s", partnames[type]); - else - sprintf(s, "%s%d", partnames[type], typenumeration[type]); - - part->name = s; -} - -static int create_mtd_partitions(struct mtd_info *master, - const struct mtd_partition **pparts, - struct mtd_part_parser_data *data) -{ - unsigned int envpartnum = 0, linuxpartnum = 0; - unsigned int typenumeration[5] = { 0, 0, 0, 0, 0 }; - unsigned char evn[5]; - const unsigned char *partvar = NULL; - - struct mtd_partition *ac49x_parts; - - ac49x_parts = kzalloc(sizeof(*ac49x_parts) * AC49X_MAXENVPARTS, - GFP_KERNEL); - - if (!ac49x_parts) - return -ENOMEM; - - linuxpartnum = 0; - for (envpartnum = 0; envpartnum < AC49X_MAXENVPARTS; envpartnum++) { - struct mtd_partition parsepart; - unsigned int offset, size, type; - int err; - sprintf(evn, "mtd%d", envpartnum); - partvar = prom_getenv(evn); - if (!partvar) - continue; - err = parse_partvar(partvar, &parsepart); - if (err) - continue; - offset = parsepart.offset; - size = parsepart.size; - type = detect_parttype(master, parsepart); - gen_partname(type, typenumeration, &parsepart); - /* protect loader */ - if (type == AC49X_PARTTYPE_LOADER) - parsepart.mask_flags = MTD_WRITEABLE; - else - parsepart.mask_flags = 0; - - memcpy(&(ac49x_parts[linuxpartnum]), &parsepart, - sizeof(struct mtd_partition)); - - /* scan for contained rootfs */ - if (type == AC49X_PARTTYPE_LINUX) { - parsepart.offset += ROOTFS_MIN_OFFSET & - ~(master->erasesize - 1); - parsepart.size -= ROOTFS_MIN_OFFSET & - ~(master->erasesize - 1); - do { - unsigned int size, offset; - size = parsepart.size; - offset = parsepart.offset; - - type = detect_parttype(master, parsepart); - if (type == AC49X_PARTTYPE_ROOTFS) { - gen_partname(type, typenumeration, - &parsepart); - printk(KERN_INFO - "%s %s: 0x%08x@0x%08x\n", - "detected sub-partition", - parsepart.name, - (unsigned int)parsepart.size, - (unsigned int)parsepart.offset); - linuxpartnum++; - memcpy(&(ac49x_parts[linuxpartnum]), - &parsepart, - sizeof(struct mtd_partition)); - break; - } - parsepart.offset += master->erasesize; - parsepart.size -= master->erasesize; - } while (parsepart.size >= master->erasesize); - } - linuxpartnum++; - } - - *pparts = ac49x_parts; - return linuxpartnum; -} - -static struct mtd_part_parser ac49x_parser = { - .owner = THIS_MODULE, - .parse_fn = create_mtd_partitions, - .name = "ac49xpart", -}; - -static int __init ac49x_parser_init(void) -{ - register_mtd_parser(&ac49x_parser); - return 0; -} - -module_init(ac49x_parser_init); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Daniel Golle <daniel.golle@gmail.com>"); -MODULE_DESCRIPTION("MTD partitioning for AudioCodes AC49x"); |