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author | Karel Kočí <cynerd@email.cz> | 2022-11-01 09:44:59 +0100 |
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committer | Karel Kočí <cynerd@email.cz> | 2022-11-01 09:44:59 +0100 |
commit | 955268e13f8f9422e7e89ee6350ec793dddd1e94 (patch) | |
tree | 1714aa5f8383ddf5aaaf7826c8502f686bcd8a7a /nixos/modules/kernel-patches/0047-Add-myloader-partition-table-parser.patch | |
parent | 06293bfbb5082dc636358d49f3e6fea88c4f2a67 (diff) | |
download | nixturris-955268e13f8f9422e7e89ee6350ec793dddd1e94.tar.gz nixturris-955268e13f8f9422e7e89ee6350ec793dddd1e94.tar.bz2 nixturris-955268e13f8f9422e7e89ee6350ec793dddd1e94.zip |
nixos: try to fix Turris Omnia PCIe on Linux 6.0
Unfortunatelly this seems to not work.
Diffstat (limited to 'nixos/modules/kernel-patches/0047-Add-myloader-partition-table-parser.patch')
-rw-r--r-- | nixos/modules/kernel-patches/0047-Add-myloader-partition-table-parser.patch | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/nixos/modules/kernel-patches/0047-Add-myloader-partition-table-parser.patch b/nixos/modules/kernel-patches/0047-Add-myloader-partition-table-parser.patch deleted file mode 100644 index 6e9426b..0000000 --- a/nixos/modules/kernel-patches/0047-Add-myloader-partition-table-parser.patch +++ /dev/null @@ -1,247 +0,0 @@ -From 03cf122501d9458a0eae29e3504c5e55aeac1ca6 Mon Sep 17 00:00:00 2001 -From: Florian Fainelli <f.fainelli@gmail.com> -Date: Tue, 27 Sep 2022 16:21:36 +0200 -Subject: [PATCH 47/96] Add myloader partition table parser - -[john@phozen.org: shoud be upstreamable] - -lede-commit: d8bf22859b51faa09d22c056fe221a45d2f7a3b8 -Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> -[adjust for kernel 5.4, add myloader.c to patch] -Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> ---- - drivers/mtd/parsers/Kconfig | 16 +++ - drivers/mtd/parsers/Makefile | 1 + - drivers/mtd/parsers/myloader.c | 181 +++++++++++++++++++++++++++++++++ - 3 files changed, 198 insertions(+) - create mode 100644 drivers/mtd/parsers/myloader.c - -diff --git a/drivers/mtd/parsers/Kconfig b/drivers/mtd/parsers/Kconfig -index 23763d16e4f9..a3f344c27454 100644 ---- a/drivers/mtd/parsers/Kconfig -+++ b/drivers/mtd/parsers/Kconfig -@@ -57,6 +57,22 @@ config MTD_CMDLINE_PARTS - - If unsure, say 'N'. - -+config MTD_MYLOADER_PARTS -+ tristate "MyLoader partition parsing" -+ depends on ADM5120 || ATH25 || ATH79 -+ 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. -+ - config MTD_OF_PARTS - tristate "OpenFirmware (device tree) partitioning parser" - default y -diff --git a/drivers/mtd/parsers/Makefile b/drivers/mtd/parsers/Makefile -index 2e98aa048278..fbce2f3206df 100644 ---- a/drivers/mtd/parsers/Makefile -+++ b/drivers/mtd/parsers/Makefile -@@ -3,6 +3,7 @@ obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o - obj-$(CONFIG_MTD_BCM47XX_PARTS) += bcm47xxpart.o - obj-$(CONFIG_MTD_BCM63XX_PARTS) += bcm63xxpart.o - obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o -+obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o - obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o - ofpart-y += ofpart_core.o - ofpart-$(CONFIG_MTD_OF_PARTS_BCM4908) += ofpart_bcm4908.o -diff --git a/drivers/mtd/parsers/myloader.c b/drivers/mtd/parsers/myloader.c -new file mode 100644 -index 000000000000..50ed8b197ed2 ---- /dev/null -+++ b/drivers/mtd/parsers/myloader.c -@@ -0,0 +1,181 @@ -+/* -+ * Parse MyLoader-style flash partition tables and produce a Linux partition -+ * array to match. -+ * -+ * Copyright (C) 2007-2009 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/module.h> -+#include <linux/version.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]; -+}; -+ -+static int myloader_parse_partitions(struct mtd_info *master, -+ const struct mtd_partition **pparts, -+ struct mtd_part_parser_data *data) -+{ -+ 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 = mtd_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]) && (buf->names[i][0] != '\xff')) -+ 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) -+{ -+ register_mtd_parser(&myloader_mtd_parser); -+ -+ return 0; -+} -+ -+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"); --- -2.37.2 - |