diff options
Diffstat (limited to 'target/linux/generic')
14 files changed, 591 insertions, 8 deletions
diff --git a/target/linux/generic/backport-5.10/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch b/target/linux/generic/backport-5.10/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch new file mode 100644 index 0000000000..f1b778a6e1 --- /dev/null +++ b/target/linux/generic/backport-5.10/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch @@ -0,0 +1,34 @@ +From b87b6d2d6f540e29c3f98e1572d64e560d73d6c1 Mon Sep 17 00:00:00 2001 +From: Wei Yongjun <weiyongjun1@huawei.com> +Date: Thu, 4 Mar 2021 06:46:00 +0000 +Subject: [PATCH] mtd: parsers: ofpart: make symbol 'bcm4908_partitions_quirks' + static + +The sparse tool complains as follows: + +drivers/mtd/parsers/ofpart_core.c:25:32: warning: + symbol 'bcm4908_partitions_quirks' was not declared. Should it be static? + +This symbol is not used outside of ofpart_core.c, so this +commit marks it static. + +Fixes: 457da931b608 ("mtd: parsers: ofpart: support BCM4908 fixed partitions") +Reported-by: Hulk Robot <hulkci@huawei.com> +Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20210304064600.3279138-1-weiyongjun1@huawei.com +--- + drivers/mtd/parsers/ofpart_core.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/mtd/parsers/ofpart_core.c ++++ b/drivers/mtd/parsers/ofpart_core.c +@@ -22,7 +22,7 @@ struct fixed_partitions_quirks { + int (*post_parse)(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts); + }; + +-struct fixed_partitions_quirks bcm4908_partitions_quirks = { ++static struct fixed_partitions_quirks bcm4908_partitions_quirks = { + .post_parse = bcm4908_partitions_post_parse, + }; + diff --git a/target/linux/generic/pending-5.10/401-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch b/target/linux/generic/backport-5.10/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch index 28335cb71f..28335cb71f 100644 --- a/target/linux/generic/pending-5.10/401-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch +++ b/target/linux/generic/backport-5.10/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch diff --git a/target/linux/generic/pending-5.10/401-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch b/target/linux/generic/backport-5.10/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch index 14ea3f6b8c..14ea3f6b8c 100644 --- a/target/linux/generic/pending-5.10/401-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch +++ b/target/linux/generic/backport-5.10/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch diff --git a/target/linux/generic/pending-5.10/401-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch b/target/linux/generic/backport-5.10/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch index 0eb4c637cf..0eb4c637cf 100644 --- a/target/linux/generic/pending-5.10/401-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch +++ b/target/linux/generic/backport-5.10/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch diff --git a/target/linux/generic/backport-5.10/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch b/target/linux/generic/backport-5.10/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch new file mode 100644 index 0000000000..35a4afd67b --- /dev/null +++ b/target/linux/generic/backport-5.10/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch @@ -0,0 +1,98 @@ +From 2fa7294175c76e1ec568aa75c1891fd908728c8d 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 14:49:18 +0100 +Subject: [PATCH] dt-bindings: mtd: add binding for Linksys Northstar + partitions +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Linksys on Broadcom Northstar devices uses fixed flash layout with +multiple firmware partitions. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Rob Herring <robh@kernel.org> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20210312134919.7767-1-zajec5@gmail.com +--- + .../mtd/partitions/linksys,ns-partitions.yaml | 74 +++++++++++++++++++ + 1 file changed, 74 insertions(+) + create mode 100644 Documentation/devicetree/bindings/mtd/partitions/linksys,ns-partitions.yaml + +--- /dev/null ++++ b/Documentation/devicetree/bindings/mtd/partitions/linksys,ns-partitions.yaml +@@ -0,0 +1,74 @@ ++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause ++%YAML 1.2 ++--- ++$id: http://devicetree.org/schemas/mtd/partitions/linksys,ns-partitions.yaml# ++$schema: http://devicetree.org/meta-schemas/core.yaml# ++ ++title: Linksys Northstar partitioning ++ ++description: | ++ Linksys devices based on Broadcom Northstar architecture often use two ++ firmware partitions. One is used for regular booting, the other is treated as ++ fallback. ++ ++ This binding allows defining all fixed partitions and marking those containing ++ firmware. System can use that information e.g. for booting or flashing ++ purposes. ++ ++maintainers: ++ - Rafał Miłecki <rafal@milecki.pl> ++ ++properties: ++ compatible: ++ const: linksys,ns-partitions ++ ++ "#address-cells": ++ enum: [ 1, 2 ] ++ ++ "#size-cells": ++ enum: [ 1, 2 ] ++ ++patternProperties: ++ "^partition@[0-9a-f]+$": ++ $ref: "partition.yaml#" ++ properties: ++ compatible: ++ items: ++ - const: linksys,ns-firmware ++ - const: brcm,trx ++ unevaluatedProperties: false ++ ++required: ++ - "#address-cells" ++ - "#size-cells" ++ ++additionalProperties: false ++ ++examples: ++ - | ++ partitions { ++ compatible = "linksys,ns-partitions"; ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ++ partition@0 { ++ label = "boot"; ++ reg = <0x0 0x100000>; ++ read-only; ++ }; ++ ++ partition@100000 { ++ label = "nvram"; ++ reg = <0x100000 0x100000>; ++ }; ++ ++ partition@200000 { ++ compatible = "linksys,ns-firmware", "brcm,trx"; ++ reg = <0x200000 0xf00000>; ++ }; ++ ++ partition@1100000 { ++ compatible = "linksys,ns-firmware", "brcm,trx"; ++ reg = <0x1100000 0xf00000>; ++ }; ++ }; diff --git a/target/linux/generic/backport-5.10/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch b/target/linux/generic/backport-5.10/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch new file mode 100644 index 0000000000..f317889785 --- /dev/null +++ b/target/linux/generic/backport-5.10/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch @@ -0,0 +1,156 @@ +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) +@@ -167,6 +172,7 @@ 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 diff --git a/target/linux/generic/backport-5.4/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch b/target/linux/generic/backport-5.4/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch new file mode 100644 index 0000000000..f1b778a6e1 --- /dev/null +++ b/target/linux/generic/backport-5.4/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch @@ -0,0 +1,34 @@ +From b87b6d2d6f540e29c3f98e1572d64e560d73d6c1 Mon Sep 17 00:00:00 2001 +From: Wei Yongjun <weiyongjun1@huawei.com> +Date: Thu, 4 Mar 2021 06:46:00 +0000 +Subject: [PATCH] mtd: parsers: ofpart: make symbol 'bcm4908_partitions_quirks' + static + +The sparse tool complains as follows: + +drivers/mtd/parsers/ofpart_core.c:25:32: warning: + symbol 'bcm4908_partitions_quirks' was not declared. Should it be static? + +This symbol is not used outside of ofpart_core.c, so this +commit marks it static. + +Fixes: 457da931b608 ("mtd: parsers: ofpart: support BCM4908 fixed partitions") +Reported-by: Hulk Robot <hulkci@huawei.com> +Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20210304064600.3279138-1-weiyongjun1@huawei.com +--- + drivers/mtd/parsers/ofpart_core.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/mtd/parsers/ofpart_core.c ++++ b/drivers/mtd/parsers/ofpart_core.c +@@ -22,7 +22,7 @@ struct fixed_partitions_quirks { + int (*post_parse)(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts); + }; + +-struct fixed_partitions_quirks bcm4908_partitions_quirks = { ++static struct fixed_partitions_quirks bcm4908_partitions_quirks = { + .post_parse = bcm4908_partitions_post_parse, + }; + diff --git a/target/linux/generic/pending-5.4/405-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch b/target/linux/generic/backport-5.4/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch index 25801e4686..ecea743d87 100644 --- a/target/linux/generic/pending-5.4/405-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch +++ b/target/linux/generic/backport-5.4/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch @@ -1,4 +1,4 @@ -From a5d83d6e2bc747b13f347962d4b335d70b23559b Mon Sep 17 00:00:00 2001 +From 658c4448bbbf02a143abf1b89d09a3337ebd3ba6 Mon Sep 17 00:00:00 2001 From: Ansuel Smith <ansuelsmth@gmail.com> Date: Fri, 12 Mar 2021 07:28:19 +0100 Subject: [PATCH] mtd: core: add nvmem-cells compatible to parse mtd as nvmem @@ -13,6 +13,8 @@ nvmem provider. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> Tested-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20210312062830.20548-1-ansuelsmth@gmail.com --- drivers/mtd/mtdcore.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/linux/generic/pending-5.4/405-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch b/target/linux/generic/backport-5.4/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch index 14ea3f6b8c..c0515bd571 100644 --- a/target/linux/generic/pending-5.4/405-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch +++ b/target/linux/generic/backport-5.4/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch @@ -1,12 +1,15 @@ -From 42645976c3289b03a12f1bd2bc131fd98fc27170 Mon Sep 17 00:00:00 2001 +From 52981a0fa9f7d68641e0e6bb584054c6d9eb2056 Mon Sep 17 00:00:00 2001 From: Ansuel Smith <ansuelsmth@gmail.com> Date: Fri, 12 Mar 2021 07:28:20 +0100 -Subject: [PATCH] devicetree: nvmem: nvmem: drop $nodename restriction +Subject: [PATCH] dt-bindings: nvmem: drop $nodename restriction Drop $nodename restriction as now mtd partition can also be used as nvmem provider. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> +Reviewed-by: Rob Herring <robh@kernel.org> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20210312062830.20548-2-ansuelsmth@gmail.com --- Documentation/devicetree/bindings/nvmem/nvmem.yaml | 3 --- 1 file changed, 3 deletions(-) diff --git a/target/linux/generic/pending-5.4/405-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch b/target/linux/generic/backport-5.4/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch index 0eb4c637cf..552919f587 100644 --- a/target/linux/generic/pending-5.4/405-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch +++ b/target/linux/generic/backport-5.4/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch @@ -1,4 +1,4 @@ -From 377aa0135dc8489312edd3184d143ce3a89ff7ee Mon Sep 17 00:00:00 2001 +From ac42c46f983e4a9003a7bb91ad44a23ab7b8f534 Mon Sep 17 00:00:00 2001 From: Ansuel Smith <ansuelsmth@gmail.com> Date: Fri, 12 Mar 2021 07:28:21 +0100 Subject: [PATCH] dt-bindings: mtd: Document use of nvmem-cells compatible @@ -8,6 +8,8 @@ nvmem provider. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20210312062830.20548-3-ansuelsmth@gmail.com --- .../bindings/mtd/partitions/nvmem-cells.yaml | 99 +++++++++++++++++++ 1 file changed, 99 insertions(+) diff --git a/target/linux/generic/backport-5.4/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch b/target/linux/generic/backport-5.4/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch new file mode 100644 index 0000000000..35a4afd67b --- /dev/null +++ b/target/linux/generic/backport-5.4/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch @@ -0,0 +1,98 @@ +From 2fa7294175c76e1ec568aa75c1891fd908728c8d 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 14:49:18 +0100 +Subject: [PATCH] dt-bindings: mtd: add binding for Linksys Northstar + partitions +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Linksys on Broadcom Northstar devices uses fixed flash layout with +multiple firmware partitions. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Rob Herring <robh@kernel.org> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20210312134919.7767-1-zajec5@gmail.com +--- + .../mtd/partitions/linksys,ns-partitions.yaml | 74 +++++++++++++++++++ + 1 file changed, 74 insertions(+) + create mode 100644 Documentation/devicetree/bindings/mtd/partitions/linksys,ns-partitions.yaml + +--- /dev/null ++++ b/Documentation/devicetree/bindings/mtd/partitions/linksys,ns-partitions.yaml +@@ -0,0 +1,74 @@ ++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause ++%YAML 1.2 ++--- ++$id: http://devicetree.org/schemas/mtd/partitions/linksys,ns-partitions.yaml# ++$schema: http://devicetree.org/meta-schemas/core.yaml# ++ ++title: Linksys Northstar partitioning ++ ++description: | ++ Linksys devices based on Broadcom Northstar architecture often use two ++ firmware partitions. One is used for regular booting, the other is treated as ++ fallback. ++ ++ This binding allows defining all fixed partitions and marking those containing ++ firmware. System can use that information e.g. for booting or flashing ++ purposes. ++ ++maintainers: ++ - Rafał Miłecki <rafal@milecki.pl> ++ ++properties: ++ compatible: ++ const: linksys,ns-partitions ++ ++ "#address-cells": ++ enum: [ 1, 2 ] ++ ++ "#size-cells": ++ enum: [ 1, 2 ] ++ ++patternProperties: ++ "^partition@[0-9a-f]+$": ++ $ref: "partition.yaml#" ++ properties: ++ compatible: ++ items: ++ - const: linksys,ns-firmware ++ - const: brcm,trx ++ unevaluatedProperties: false ++ ++required: ++ - "#address-cells" ++ - "#size-cells" ++ ++additionalProperties: false ++ ++examples: ++ - | ++ partitions { ++ compatible = "linksys,ns-partitions"; ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ++ partition@0 { ++ label = "boot"; ++ reg = <0x0 0x100000>; ++ read-only; ++ }; ++ ++ partition@100000 { ++ label = "nvram"; ++ reg = <0x100000 0x100000>; ++ }; ++ ++ partition@200000 { ++ compatible = "linksys,ns-firmware", "brcm,trx"; ++ reg = <0x200000 0xf00000>; ++ }; ++ ++ partition@1100000 { ++ compatible = "linksys,ns-firmware", "brcm,trx"; ++ reg = <0x1100000 0xf00000>; ++ }; ++ }; 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 new file mode 100644 index 0000000000..75eb9391ae --- /dev/null +++ b/target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch @@ -0,0 +1,156 @@ +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 diff --git a/target/linux/generic/pending-5.10/435-mtd-add-routerbootpart-parser-config.patch b/target/linux/generic/pending-5.10/435-mtd-add-routerbootpart-parser-config.patch index 7853cae325..ab1e09a5f1 100644 --- a/target/linux/generic/pending-5.10/435-mtd-add-routerbootpart-parser-config.patch +++ b/target/linux/generic/pending-5.10/435-mtd-add-routerbootpart-parser-config.patch @@ -16,7 +16,7 @@ Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org> --- a/drivers/mtd/parsers/Kconfig +++ b/drivers/mtd/parsers/Kconfig -@@ -185,3 +185,12 @@ config MTD_REDBOOT_PARTS_READONLY +@@ -195,3 +195,12 @@ config MTD_REDBOOT_PARTS_READONLY 'FIS directory' images, enable this option. endif # MTD_REDBOOT_PARTS @@ -31,7 +31,7 @@ Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org> + formatted DTS. --- a/drivers/mtd/parsers/Makefile +++ b/drivers/mtd/parsers/Makefile -@@ -12,3 +12,4 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o +@@ -13,3 +13,4 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o obj-$(CONFIG_MTD_PARSER_TRX) += parser_trx.o obj-$(CONFIG_MTD_SHARPSL_PARTS) += sharpslpart.o obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o diff --git a/target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch b/target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch index 7853cae325..ab1e09a5f1 100644 --- a/target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch +++ b/target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch @@ -16,7 +16,7 @@ Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org> --- a/drivers/mtd/parsers/Kconfig +++ b/drivers/mtd/parsers/Kconfig -@@ -185,3 +185,12 @@ config MTD_REDBOOT_PARTS_READONLY +@@ -195,3 +195,12 @@ config MTD_REDBOOT_PARTS_READONLY 'FIS directory' images, enable this option. endif # MTD_REDBOOT_PARTS @@ -31,7 +31,7 @@ Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org> + formatted DTS. --- a/drivers/mtd/parsers/Makefile +++ b/drivers/mtd/parsers/Makefile -@@ -12,3 +12,4 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o +@@ -13,3 +13,4 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o obj-$(CONFIG_MTD_PARSER_TRX) += parser_trx.o obj-$(CONFIG_MTD_SHARPSL_PARTS) += sharpslpart.o obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o |