diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch b/target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch deleted file mode 100644 index 75eb9391ae..0000000000 --- a/target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch +++ /dev/null @@ -1,156 +0,0 @@ -From 7134a2d026d942210b4d26d6059c9d979ca7866e Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Fri, 12 Mar 2021 14:49:19 +0100 -Subject: [PATCH] mtd: parsers: ofpart: support Linksys Northstar partitions -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This allows extending ofpart parser with support for Linksys Northstar -devices. That support uses recently added quirks mechanism. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> -Link: https://lore.kernel.org/linux-mtd/20210312134919.7767-2-zajec5@gmail.com ---- - drivers/mtd/parsers/Kconfig | 10 +++++ - drivers/mtd/parsers/Makefile | 1 + - drivers/mtd/parsers/ofpart_core.c | 6 +++ - drivers/mtd/parsers/ofpart_linksys_ns.c | 50 +++++++++++++++++++++++++ - drivers/mtd/parsers/ofpart_linksys_ns.h | 18 +++++++++ - 5 files changed, 85 insertions(+) - create mode 100644 drivers/mtd/parsers/ofpart_linksys_ns.c - create mode 100644 drivers/mtd/parsers/ofpart_linksys_ns.h - ---- a/drivers/mtd/parsers/Kconfig -+++ b/drivers/mtd/parsers/Kconfig -@@ -76,6 +76,16 @@ config MTD_OF_PARTS_BCM4908 - that can have multiple "firmware" partitions. It takes care of - finding currently used one and backup ones. - -+config MTD_OF_PARTS_LINKSYS_NS -+ bool "Linksys Northstar partitioning support" -+ depends on MTD_OF_PARTS && (ARCH_BCM_5301X || ARCH_BCM4908 || COMPILE_TEST) -+ default ARCH_BCM_5301X -+ help -+ This provides partitions parser for Linksys devices based on Broadcom -+ Northstar architecture. Linksys commonly uses fixed flash layout with -+ two "firmware" partitions. Currently used firmware has to be detected -+ using CFE environment variable. -+ - config MTD_PARSER_IMAGETAG - tristate "Parser for BCM963XX Image Tag format partitions" - depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST ---- a/drivers/mtd/parsers/Makefile -+++ b/drivers/mtd/parsers/Makefile -@@ -6,6 +6,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdl - obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o - ofpart-y += ofpart_core.o - ofpart-$(CONFIG_MTD_OF_PARTS_BCM4908) += ofpart_bcm4908.o -+ofpart-$(CONFIG_MTD_OF_PARTS_LINKSYS_NS)+= ofpart_linksys_ns.o - obj-$(CONFIG_MTD_PARSER_IMAGETAG) += parser_imagetag.o - obj-$(CONFIG_MTD_AFS_PARTS) += afs.o - obj-$(CONFIG_MTD_PARSER_TRX) += parser_trx.o ---- a/drivers/mtd/parsers/ofpart_core.c -+++ b/drivers/mtd/parsers/ofpart_core.c -@@ -17,6 +17,7 @@ - #include <linux/mtd/partitions.h> - - #include "ofpart_bcm4908.h" -+#include "ofpart_linksys_ns.h" - - struct fixed_partitions_quirks { - int (*post_parse)(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts); -@@ -26,6 +27,10 @@ static struct fixed_partitions_quirks bc - .post_parse = bcm4908_partitions_post_parse, - }; - -+static struct fixed_partitions_quirks linksys_ns_partitions_quirks = { -+ .post_parse = linksys_ns_partitions_post_parse, -+}; -+ - static const struct of_device_id parse_ofpart_match_table[]; - - static bool node_has_compatible(struct device_node *pp) -@@ -164,6 +169,7 @@ static const struct of_device_id parse_o - { .compatible = "fixed-partitions" }, - /* Customized */ - { .compatible = "brcm,bcm4908-partitions", .data = &bcm4908_partitions_quirks, }, -+ { .compatible = "linksys,ns-partitions", .data = &linksys_ns_partitions_quirks, }, - {}, - }; - MODULE_DEVICE_TABLE(of, parse_ofpart_match_table); ---- /dev/null -+++ b/drivers/mtd/parsers/ofpart_linksys_ns.c -@@ -0,0 +1,50 @@ -+// SPDX-License-Identifier: GPL-2.0 -+/* -+ * Copyright (C) 2021 Rafał Miłecki <rafal@milecki.pl> -+ */ -+ -+#include <linux/bcm47xx_nvram.h> -+#include <linux/mtd/mtd.h> -+#include <linux/mtd/partitions.h> -+ -+#include "ofpart_linksys_ns.h" -+ -+#define NVRAM_BOOT_PART "bootpartition" -+ -+static int ofpart_linksys_ns_bootpartition(void) -+{ -+ char buf[4]; -+ int bootpartition; -+ -+ /* Check CFE environment variable */ -+ if (bcm47xx_nvram_getenv(NVRAM_BOOT_PART, buf, sizeof(buf)) > 0) { -+ if (!kstrtoint(buf, 0, &bootpartition)) -+ return bootpartition; -+ pr_warn("Failed to parse %s value \"%s\"\n", NVRAM_BOOT_PART, -+ buf); -+ } else { -+ pr_warn("Failed to get NVRAM \"%s\"\n", NVRAM_BOOT_PART); -+ } -+ -+ return 0; -+} -+ -+int linksys_ns_partitions_post_parse(struct mtd_info *mtd, -+ struct mtd_partition *parts, -+ int nr_parts) -+{ -+ int bootpartition = ofpart_linksys_ns_bootpartition(); -+ int trx_idx = 0; -+ int i; -+ -+ for (i = 0; i < nr_parts; i++) { -+ if (of_device_is_compatible(parts[i].of_node, "linksys,ns-firmware")) { -+ if (trx_idx++ == bootpartition) -+ parts[i].name = "firmware"; -+ else -+ parts[i].name = "backup"; -+ } -+ } -+ -+ return 0; -+} ---- /dev/null -+++ b/drivers/mtd/parsers/ofpart_linksys_ns.h -@@ -0,0 +1,18 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+#ifndef __OFPART_LINKSYS_NS_H -+#define __OFPART_LINKSYS_NS_H -+ -+#ifdef CONFIG_MTD_OF_PARTS_LINKSYS_NS -+int linksys_ns_partitions_post_parse(struct mtd_info *mtd, -+ struct mtd_partition *parts, -+ int nr_parts); -+#else -+static inline int linksys_ns_partitions_post_parse(struct mtd_info *mtd, -+ struct mtd_partition *parts, -+ int nr_parts) -+{ -+ return -EOPNOTSUPP; -+} -+#endif -+ -+#endif |