From 9a62b3977f7c2aa3ff3e25013069dee07c5296d7 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Thu, 6 Apr 2023 12:14:30 +0200 Subject: [PATCH] kernel: backport NVMEM patch for U-Boot env data "ethaddr" cell MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Adjust our local code to avoid breakage. Signed-off-by: Rafał Miłecki --- ...nv-post-process-ethaddr-env-variable.patch | 81 +++++++++++++++++++ ...nv-post-process-ethaddr-env-variable.patch | 81 +++++++++++++++++++ ...env-align-endianness-of-crc32-values.patch | 2 +- ...env-align-endianness-of-crc32-values.patch | 2 +- .../arm64/boot/dts/qcom/ipq8072-wax218.dts | 2 +- .../arm64/boot/dts/qcom/ipq8074-nbg7815.dts | 26 +++--- .../boot/dts/qcom/ipq8074-wxr-5950ax12.dts | 10 +-- 7 files changed, 183 insertions(+), 21 deletions(-) create mode 100644 target/linux/generic/backport-5.10/814-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch create mode 100644 target/linux/generic/backport-5.15/811-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch diff --git a/target/linux/generic/backport-5.10/814-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch b/target/linux/generic/backport-5.10/814-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch new file mode 100644 index 0000000000..adde0ffc4b --- /dev/null +++ b/target/linux/generic/backport-5.10/814-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch @@ -0,0 +1,81 @@ +From c49f1a8af6bcf6d18576bca898f8083ca4b129e1 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Tue, 4 Apr 2023 18:21:43 +0100 +Subject: [PATCH] nvmem: u-boot-env: post-process "ethaddr" env variable +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +U-Boot environment variables are stored in ASCII format so "ethaddr" +requires parsing into binary to make it work with Ethernet interfaces. + +This includes support for indexes to support #nvmem-cell-cells = <1>. + +Signed-off-by: Rafał Miłecki +Signed-off-by: Srinivas Kandagatla +Link: https://lore.kernel.org/r/20230404172148.82422-36-srinivas.kandagatla@linaro.org +Signed-off-by: Greg Kroah-Hartman +--- + drivers/nvmem/Kconfig | 1 + + drivers/nvmem/u-boot-env.c | 26 ++++++++++++++++++++++++++ + 2 files changed, 27 insertions(+) + +--- a/drivers/nvmem/Kconfig ++++ b/drivers/nvmem/Kconfig +@@ -340,6 +340,7 @@ config NVMEM_U_BOOT_ENV + tristate "U-Boot environment variables support" + depends on OF && MTD + select CRC32 ++ select GENERIC_NET_UTILS + help + U-Boot stores its setup as environment variables. This driver adds + support for verifying & exporting such data. It also exposes variables +--- a/drivers/nvmem/u-boot-env.c ++++ b/drivers/nvmem/u-boot-env.c +@@ -4,6 +4,8 @@ + */ + + #include ++#include ++#include + #include + #include + #include +@@ -70,6 +72,25 @@ static int u_boot_env_read(void *context + return 0; + } + ++static int u_boot_env_read_post_process_ethaddr(void *context, const char *id, int index, ++ unsigned int offset, void *buf, size_t bytes) ++{ ++ u8 mac[ETH_ALEN]; ++ ++ if (bytes != 3 * ETH_ALEN - 1) ++ return -EINVAL; ++ ++ if (!mac_pton(buf, mac)) ++ return -EINVAL; ++ ++ if (index) ++ eth_addr_add(mac, index); ++ ++ ether_addr_copy(buf, mac); ++ ++ return 0; ++} ++ + static int u_boot_env_add_cells(struct u_boot_env *priv, uint8_t *buf, + size_t data_offset, size_t data_len) + { +@@ -101,6 +122,11 @@ static int u_boot_env_add_cells(struct u + priv->cells[idx].offset = data_offset + value - data; + priv->cells[idx].bytes = strlen(value); + priv->cells[idx].np = of_get_child_by_name(dev->of_node, priv->cells[idx].name); ++ if (!strcmp(var, "ethaddr")) { ++ priv->cells[idx].raw_len = strlen(value); ++ priv->cells[idx].bytes = ETH_ALEN; ++ priv->cells[idx].read_post_process = u_boot_env_read_post_process_ethaddr; ++ } + } + + if (WARN_ON(idx != priv->ncells)) diff --git a/target/linux/generic/backport-5.15/811-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch b/target/linux/generic/backport-5.15/811-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch new file mode 100644 index 0000000000..adde0ffc4b --- /dev/null +++ b/target/linux/generic/backport-5.15/811-v6.4-0018-nvmem-u-boot-env-post-process-ethaddr-env-variable.patch @@ -0,0 +1,81 @@ +From c49f1a8af6bcf6d18576bca898f8083ca4b129e1 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Tue, 4 Apr 2023 18:21:43 +0100 +Subject: [PATCH] nvmem: u-boot-env: post-process "ethaddr" env variable +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +U-Boot environment variables are stored in ASCII format so "ethaddr" +requires parsing into binary to make it work with Ethernet interfaces. + +This includes support for indexes to support #nvmem-cell-cells = <1>. + +Signed-off-by: Rafał Miłecki +Signed-off-by: Srinivas Kandagatla +Link: https://lore.kernel.org/r/20230404172148.82422-36-srinivas.kandagatla@linaro.org +Signed-off-by: Greg Kroah-Hartman +--- + drivers/nvmem/Kconfig | 1 + + drivers/nvmem/u-boot-env.c | 26 ++++++++++++++++++++++++++ + 2 files changed, 27 insertions(+) + +--- a/drivers/nvmem/Kconfig ++++ b/drivers/nvmem/Kconfig +@@ -340,6 +340,7 @@ config NVMEM_U_BOOT_ENV + tristate "U-Boot environment variables support" + depends on OF && MTD + select CRC32 ++ select GENERIC_NET_UTILS + help + U-Boot stores its setup as environment variables. This driver adds + support for verifying & exporting such data. It also exposes variables +--- a/drivers/nvmem/u-boot-env.c ++++ b/drivers/nvmem/u-boot-env.c +@@ -4,6 +4,8 @@ + */ + + #include ++#include ++#include + #include + #include + #include +@@ -70,6 +72,25 @@ static int u_boot_env_read(void *context + return 0; + } + ++static int u_boot_env_read_post_process_ethaddr(void *context, const char *id, int index, ++ unsigned int offset, void *buf, size_t bytes) ++{ ++ u8 mac[ETH_ALEN]; ++ ++ if (bytes != 3 * ETH_ALEN - 1) ++ return -EINVAL; ++ ++ if (!mac_pton(buf, mac)) ++ return -EINVAL; ++ ++ if (index) ++ eth_addr_add(mac, index); ++ ++ ether_addr_copy(buf, mac); ++ ++ return 0; ++} ++ + static int u_boot_env_add_cells(struct u_boot_env *priv, uint8_t *buf, + size_t data_offset, size_t data_len) + { +@@ -101,6 +122,11 @@ static int u_boot_env_add_cells(struct u + priv->cells[idx].offset = data_offset + value - data; + priv->cells[idx].bytes = strlen(value); + priv->cells[idx].np = of_get_child_by_name(dev->of_node, priv->cells[idx].name); ++ if (!strcmp(var, "ethaddr")) { ++ priv->cells[idx].raw_len = strlen(value); ++ priv->cells[idx].bytes = ETH_ALEN; ++ priv->cells[idx].read_post_process = u_boot_env_read_post_process_ethaddr; ++ } + } + + if (WARN_ON(idx != priv->ncells)) diff --git a/target/linux/generic/pending-5.10/802-nvmem-u-boot-env-align-endianness-of-crc32-values.patch b/target/linux/generic/pending-5.10/802-nvmem-u-boot-env-align-endianness-of-crc32-values.patch index 4010232300..9b111050ee 100644 --- a/target/linux/generic/pending-5.10/802-nvmem-u-boot-env-align-endianness-of-crc32-values.patch +++ b/target/linux/generic/pending-5.10/802-nvmem-u-boot-env-align-endianness-of-crc32-values.patch @@ -36,7 +36,7 @@ Signed-off-by: Srinivas Kandagatla --- a/drivers/nvmem/u-boot-env.c +++ b/drivers/nvmem/u-boot-env.c -@@ -156,7 +156,7 @@ static int u_boot_env_parse(struct u_boo +@@ -182,7 +182,7 @@ static int u_boot_env_parse(struct u_boo crc32_data_len = priv->mtd->size - crc32_data_offset; data_len = priv->mtd->size - data_offset; diff --git a/target/linux/generic/pending-5.15/802-nvmem-u-boot-env-align-endianness-of-crc32-values.patch b/target/linux/generic/pending-5.15/802-nvmem-u-boot-env-align-endianness-of-crc32-values.patch index 4010232300..9b111050ee 100644 --- a/target/linux/generic/pending-5.15/802-nvmem-u-boot-env-align-endianness-of-crc32-values.patch +++ b/target/linux/generic/pending-5.15/802-nvmem-u-boot-env-align-endianness-of-crc32-values.patch @@ -36,7 +36,7 @@ Signed-off-by: Srinivas Kandagatla --- a/drivers/nvmem/u-boot-env.c +++ b/drivers/nvmem/u-boot-env.c -@@ -156,7 +156,7 @@ static int u_boot_env_parse(struct u_boo +@@ -182,7 +182,7 @@ static int u_boot_env_parse(struct u_boo crc32_data_len = priv->mtd->size - crc32_data_offset; data_len = priv->mtd->size - data_offset; diff --git a/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8072-wax218.dts b/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8072-wax218.dts index 786d461e89..5bfcdcc8ca 100644 --- a/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8072-wax218.dts +++ b/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8072-wax218.dts @@ -142,7 +142,7 @@ phy-handle = <&qca8081_28>; label = "lan"; nvmem-cells = <&macaddr_ubootenv_ethaddr>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cell-names = "mac-address"; }; &qpic_bam { diff --git a/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8074-nbg7815.dts b/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8074-nbg7815.dts index 537dd52032..d113b233ec 100644 --- a/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8074-nbg7815.dts +++ b/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8074-nbg7815.dts @@ -220,6 +220,7 @@ reg = <0x600000 0x10000>; macaddr_lan: ethaddr { + #nvmem-cell-cells = <1>; }; }; @@ -349,49 +350,48 @@ status = "okay"; phy-handle = <&qca8075_1>; label = "lan1"; - nvmem-cells = <&macaddr_lan>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cells = <&macaddr_lan 0>; + nvmem-cell-names = "mac-address"; }; &dp2 { status = "okay"; phy-handle = <&qca8075_2>; label = "lan2"; - nvmem-cells = <&macaddr_lan>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cells = <&macaddr_lan 0>; + nvmem-cell-names = "mac-address"; }; &dp3 { status = "okay"; phy-handle = <&qca8075_3>; label = "lan3"; - nvmem-cells = <&macaddr_lan>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cells = <&macaddr_lan 0>; + nvmem-cell-names = "mac-address"; }; &dp4 { status = "okay"; phy-handle = <&qca8075_4>; label = "lan4"; - nvmem-cells = <&macaddr_lan>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cells = <&macaddr_lan 0>; + nvmem-cell-names = "mac-address"; }; &dp5 { status = "okay"; phy-handle = <&qca8081>; label = "wan"; - nvmem-cells = <&macaddr_lan>; - nvmem-cell-names = "mac-address-ascii"; - mac-address-increment = <1>; + nvmem-cells = <&macaddr_lan 1>; + nvmem-cell-names = "mac-address"; }; &dp6_syn { status = "okay"; phy-handle = <&aqr113c>; label = "10g"; - nvmem-cells = <&macaddr_lan>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cells = <&macaddr_lan 0>; + nvmem-cell-names = "mac-address"; }; &blsp1_i2c2 { diff --git a/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8074-wxr-5950ax12.dts b/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8074-wxr-5950ax12.dts index d9b083c4d0..32386dc93e 100644 --- a/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8074-wxr-5950ax12.dts +++ b/target/linux/ipq807x/files/arch/arm64/boot/dts/qcom/ipq8074-wxr-5950ax12.dts @@ -320,7 +320,7 @@ phy-handle = <&qca8075_2>; label = "lan4"; nvmem-cells = <&macaddr_appsblenv_ethaddr>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cell-names = "mac-address"; }; &dp3 { @@ -328,7 +328,7 @@ phy-handle = <&qca8075_3>; label = "lan3"; nvmem-cells = <&macaddr_appsblenv_ethaddr>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cell-names = "mac-address"; }; &dp4 { @@ -336,7 +336,7 @@ phy-handle = <&qca8075_4>; label = "lan2"; nvmem-cells = <&macaddr_appsblenv_ethaddr>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cell-names = "mac-address"; }; &dp5_syn { @@ -344,7 +344,7 @@ phy-handle = <&aqr113c_1>; label = "wan"; nvmem-cells = <&macaddr_appsblenv_ethaddr>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cell-names = "mac-address"; }; &dp6_syn { @@ -352,7 +352,7 @@ phy-handle = <&aqr113c_2>; label = "lan1"; nvmem-cells = <&macaddr_appsblenv_ethaddr>; - nvmem-cell-names = "mac-address-ascii"; + nvmem-cell-names = "mac-address"; }; &ssphy_0 { -- 2.30.2