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GET /api/patches/2196444/?format=api
{ "id": 2196444, "url": "http://patchwork.ozlabs.org/api/patches/2196444/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260213225254.2544596-6-raymondmaoca@gmail.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260213225254.2544596-6-raymondmaoca@gmail.com>", "list_archive_url": null, "date": "2026-02-13T22:52:50", "name": "[v6,5/6] smbios: add support for dynamic generation of Type 19 table", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "be45a0aaf2ad45408a4e63184b04cdebe76703bd", "submitter": { "id": 91989, "url": "http://patchwork.ozlabs.org/api/people/91989/?format=api", "name": "Raymond Mao", "email": "raymondmaoca@gmail.com" }, "delegate": { "id": 3651, "url": "http://patchwork.ozlabs.org/api/users/3651/?format=api", "username": "trini", "first_name": "Tom", "last_name": "Rini", "email": "trini@ti.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260213225254.2544596-6-raymondmaoca@gmail.com/mbox/", "series": [ { "id": 492145, "url": "http://patchwork.ozlabs.org/api/series/492145/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=492145", "date": "2026-02-13T22:52:45", "name": "Implement all missing SMBIOS types required by distro tooling", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/492145/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196444/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196444/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20230601 header.b=WXb1R9BE;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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Explicit definition via Device Tree 'smbios' node:\n Child node under '/smbios/smbios/memory-array-mapped-address' will be\n used to populate as individual Type 19 structure directly.\n - Properties follow SMBIOS field names with lowercase letters and\n hyphen-separated words (e.g., 'starting-address', 'ending-address',\n 'partition-width', etc.).\n - This method supports precise platform-defined overrides and system\n descriptions.\n\n2. Fallback to automatic DT-based discovery:\n If child node under '/smbios/smbios/memory-array-mapped-address' does\n not exist, the implementation will:\n - Scan all top-level 'memory@' nodes to populate Type 19 structure with\n inferred size and location data.\n - Scan nodes named or marked as 'memory-controller' and parse\n associated 'dimm@' subnodes (if present) to extract DIMM sizes and\n map them accordingly.\n\nThis dual-mode support enables flexible firmware SMBIOS reporting while\naligning with spec-compliant naming and runtime-detected memory topology.\n\nType 19 support is under GENERATE_SMBIOS_TABLE_VERBOSE to avoid\nincreasing rom size for those platforms which only require basic SMBIOS\nsupport.\n\nSigned-off-by: Raymond Mao <raymondmaoca@gmail.com>\n---\nChanges in v4:\n- Initial patch.\nChanges in v5:\n- None.\nChanges in v6:\n- None.\n\n arch/arm/dts/smbios_generic.dtsi | 3 +\n cmd/smbios.c | 14 +++\n include/smbios.h | 11 +++\n include/smbios_def.h | 5 ++\n lib/smbios.c | 150 +++++++++++++++++++++++++++++++\n 5 files changed, 183 insertions(+)", "diff": "diff --git a/arch/arm/dts/smbios_generic.dtsi b/arch/arm/dts/smbios_generic.dtsi\nindex fd2df8d02e0..fe16037fc20 100644\n--- a/arch/arm/dts/smbios_generic.dtsi\n+++ b/arch/arm/dts/smbios_generic.dtsi\n@@ -86,6 +86,9 @@\n \n \t\t\tmemory-device {\n \t\t\t};\n+\n+\t\t\tmemory-array-mapped-address {\n+\t\t\t};\n \t\t};\n \t};\n };\ndiff --git a/cmd/smbios.c b/cmd/smbios.c\nindex 39c9c44a28e..671c14e05b5 100644\n--- a/cmd/smbios.c\n+++ b/cmd/smbios.c\n@@ -680,6 +680,17 @@ static void smbios_print_type17(struct smbios_type17 *table)\n \tprintf(\"\\tRCD Revision Number: 0x%04x\\n\", table->rcd_rev_num);\n }\n \n+static void smbios_print_type19(struct smbios_type19 *table)\n+{\n+\tprintf(\"Memory Array Mapped Address:\\n\");\n+\tprintf(\"\\tStarting Address: 0x%08x\\n\", table->start_addr);\n+\tprintf(\"\\tEnding Address: 0x%08x\\n\", table->end_addr);\n+\tprintf(\"\\tMemory Array Handle: 0x%04x\\n\", table->mem_array_hdl);\n+\tprintf(\"\\tPartition Width: 0x%04x\\n\", table->partition_wid);\n+\tprintf(\"\\tExtended Starting Address: 0x%016llx\\n\", table->ext_start_addr);\n+\tprintf(\"\\tExtended Ending Address: 0x%016llx\\n\", table->ext_end_addr);\n+}\n+\n static void smbios_print_type127(struct smbios_type127 *table)\n {\n \tprintf(\"End Of Table\\n\");\n@@ -768,6 +779,9 @@ static int do_smbios(struct cmd_tbl *cmdtp, int flag, int argc,\n \t\tcase SMBIOS_MEMORY_DEVICE:\n \t\t\tsmbios_print_type17((struct smbios_type17 *)pos);\n \t\t\tbreak;\n+\t\tcase SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS:\n+\t\t\tsmbios_print_type19((struct smbios_type19 *)pos);\n+\t\t\tbreak;\n \t\tcase SMBIOS_END_OF_TABLE:\n \t\t\tsmbios_print_type127((struct smbios_type127 *)pos);\n \t\t\tbreak;\ndiff --git a/include/smbios.h b/include/smbios.h\nindex 2deafea9aa1..e4b5ff314d9 100644\n--- a/include/smbios.h\n+++ b/include/smbios.h\n@@ -372,6 +372,17 @@ struct __packed smbios_type17 {\n \tchar eos[SMBIOS_STRUCT_EOS_BYTES];\n };\n \n+struct __packed smbios_type19 {\n+\tstruct smbios_header hdr;\n+\tu32 start_addr;\n+\tu32 end_addr;\n+\tu16 mem_array_hdl;\n+\tu8 partition_wid;\n+\tu64 ext_start_addr;\n+\tu64 ext_end_addr;\n+\tchar eos[SMBIOS_STRUCT_EOS_BYTES];\n+};\n+\n struct __packed smbios_type32 {\n \tu8 type;\n \tu8 length;\ndiff --git a/include/smbios_def.h b/include/smbios_def.h\nindex ce913f2f32a..ae50e1a808e 100644\n--- a/include/smbios_def.h\n+++ b/include/smbios_def.h\n@@ -436,4 +436,9 @@\n #define SMBIOS_MD_ERRINFO_NONE\t\t0xFFFE\n #define SMBIOS_MD_ERRINFO_NOERR\t\t0xFFFF\n \n+/* Memory Array Mapped Address */\n+\n+/* Partition Width */\n+#define SMBIOS_MAMA_PW_DEF\t1 /* not partitioned */\n+\n #endif /* _SMBIOS_DEF_H_ */\ndiff --git a/lib/smbios.c b/lib/smbios.c\nindex 7c6ad63b1c7..d5f18c8bd69 100644\n--- a/lib/smbios.c\n+++ b/lib/smbios.c\n@@ -1807,6 +1807,155 @@ static int smbios_write_type17(ulong *current, int *handle,\n \t\t\t\t smbios_write_type17_from_memctrl_node);\n }\n \n+static void smbios_pop_type19_general_si(struct smbios_ctx *ctx,\n+\t\t\t\t\t struct smbios_type19 *t)\n+{\n+\tt->partition_wid =\n+\t\tsmbios_get_val_si(ctx, \"partition-width \",\n+\t\t\t\t SYSID_NONE, SMBIOS_MAMA_PW_DEF);\n+}\n+\n+static void smbios_pop_type19_addr_si(struct smbios_ctx *ctx,\n+\t\t\t\t struct smbios_type19 *t)\n+{\n+\tt->start_addr = smbios_get_val_si(ctx, \"starting-address\", SYSID_NONE,\n+\t\t\t\t\t 0);\n+\tt->end_addr = smbios_get_val_si(ctx, \"ending-address\", SYSID_NONE, 0);\n+\tt->ext_start_addr = smbios_get_u64_si(ctx, \"extended-starting-address\",\n+\t\t\t\t\t SYSID_NONE, 0);\n+\tt->ext_end_addr = smbios_get_u64_si(ctx, \"extended-ending-address\",\n+\t\t\t\t\t SYSID_NONE, 0);\n+}\n+\n+static void\n+smbios_pop_type19_addr_from_memory_node(ofnode node, struct smbios_type19 *t)\n+{\n+\tconst fdt32_t *reg;\n+\tint len;\n+\tu64 sz;\n+\tu64 addr;\n+\n+\t/* Read property 'reg' from the node */\n+\treg = ofnode_read_prop(node, \"reg\", &len);\n+\tif (!reg || len < sizeof(fdt32_t) * 4 || len % sizeof(fdt32_t))\n+\t\treturn;\n+\n+\t/* Combine hi/lo for size and address (typically 64-bit) */\n+\tsz = ((u64)fdt32_to_cpu(reg[2]) << 32) | fdt32_to_cpu(reg[3]);\n+\taddr = ((u64)fdt32_to_cpu(reg[0]) << 32) | fdt32_to_cpu(reg[1]);\n+\n+\tt->ext_start_addr = cpu_to_le64(addr);\n+\tt->ext_end_addr = cpu_to_le64(addr + sz - 1);\n+\n+\t/* If address range fits in 32-bit, populate legacy fields */\n+\tif ((addr + sz - 1) <= 0xFFFFFFFFULL) {\n+\t\tt->start_addr = cpu_to_le32((u32)addr);\n+\t\tt->end_addr = cpu_to_le32((u32)(addr + sz - 1));\n+\t} else {\n+\t\tt->start_addr = cpu_to_le32(0xFFFFFFFF);\n+\t\tt->end_addr = cpu_to_le32(0xFFFFFFFF);\n+\t}\n+}\n+\n+static int\n+smbios_write_type19_from_memctrl_node(ulong *current, int handle,\n+\t\t\t\t struct smbios_ctx *ctx, int idx,\n+\t\t\t\t u64 base, u64 sz)\n+{\n+\tstruct smbios_type19 *t;\n+\tint len;\n+\tu8 *eos_addr;\n+\tvoid *hdl;\n+\tsize_t hdl_size;\n+\n+\tlen = sizeof(*t);\n+\tt = map_sysmem(*current, len);\n+\tmemset(t, 0, len);\n+\n+\tfill_smbios_header(t, SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS, len, handle);\n+\n+\t/* eos is at the end of the structure */\n+\teos_addr = (u8 *)t + len - sizeof(t->eos);\n+\tsmbios_set_eos(ctx, eos_addr);\n+\n+\t/* Read the memory array handles */\n+\tif (!sysinfo_get_data(ctx->dev, SYSID_SM_MEMARRAY_HANDLE, &hdl,\n+\t\t\t &hdl_size) &&\n+\t hdl_size == SYSINFO_MEM_HANDLE_MAX * sizeof(u16))\n+\t\tt->mem_array_hdl = *((u16 *)hdl + idx);\n+\n+\tt->ext_start_addr = cpu_to_le64(base);\n+\tt->ext_end_addr = cpu_to_le64(base + sz - 1);\n+\n+\tif ((base + sz - 1) <= 0xFFFFFFFFULL) {\n+\t\tt->start_addr = cpu_to_le32((u32)base);\n+\t\tt->end_addr = cpu_to_le32((u32)(base + sz - 1));\n+\t} else {\n+\t\tt->start_addr = cpu_to_le32(0xFFFFFFFF);\n+\t\tt->end_addr = cpu_to_le32(0xFFFFFFFF);\n+\t}\n+\n+\t/* Write other general fields */\n+\tsmbios_pop_type19_general_si(ctx, t);\n+\n+\tlen = t->hdr.length + smbios_string_table_len(ctx);\n+\t*current += len;\n+\tunmap_sysmem(t);\n+\n+\treturn len;\n+}\n+\n+static int smbios_write_type19_mem(ulong *current, int handle,\n+\t\t\t\t struct smbios_ctx *ctx, int idx,\n+\t\t\t\t int type)\n+{\n+\tstruct smbios_type19 *t;\n+\tint len;\n+\tu8 *eos_addr;\n+\tvoid *hdl;\n+\tsize_t hdl_size;\n+\n+\tlen = sizeof(*t);\n+\tt = map_sysmem(*current, len);\n+\tmemset(t, 0, len);\n+\n+\tfill_smbios_header(t, SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS, len, handle);\n+\n+\t/* eos is at the end of the structure */\n+\teos_addr = (u8 *)t + len - sizeof(t->eos);\n+\tsmbios_set_eos(ctx, eos_addr);\n+\n+\tif (type == SMBIOS_MEM_CUSTOM) {\n+\t\tsmbios_pop_type19_addr_si(ctx, t);\n+\t\tt->mem_array_hdl = smbios_get_val_si(ctx, \"memory-array-handle\",\n+\t\t\t\t\t\t SYSID_NONE, 0);\n+\t} else if (type == SMBIOS_MEM_FDT_MEM_NODE) {\n+\t\tsmbios_pop_type19_addr_from_memory_node(ctx->node, t);\n+\t\t/* Read the memory array handles */\n+\t\tif (!sysinfo_get_data(ctx->dev, SYSID_SM_MEMARRAY_HANDLE, &hdl,\n+\t\t\t\t &hdl_size) &&\n+\t\t hdl_size == SYSINFO_MEM_HANDLE_MAX * sizeof(u16))\n+\t\t\tt->mem_array_hdl = *((u16 *)hdl + idx);\n+\t}\n+\n+\t/* Write other general fields */\n+\tsmbios_pop_type19_general_si(ctx, t);\n+\n+\tlen = t->hdr.length + smbios_string_table_len(ctx);\n+\t*current += len;\n+\tunmap_sysmem(t);\n+\n+\treturn len;\n+}\n+\n+static int smbios_write_type19(ulong *current, int *handle,\n+\t\t\t struct smbios_ctx *ctx)\n+{\n+\treturn smbios_write_type1719(current, handle, ctx,\n+\t\t\t\t smbios_write_type19_mem,\n+\t\t\t\t smbios_write_type19_from_memctrl_node);\n+}\n+\n #endif /* #if IS_ENABLED(CONFIG_GENERATE_SMBIOS_TABLE_VERBOSE) */\n \n static int smbios_write_type32(ulong *current, int *handle,\n@@ -1857,6 +2006,7 @@ static struct smbios_write_method smbios_write_funcs[] = {\n \t{ smbios_write_type9, \"system-slot\"},\n \t{ smbios_write_type16, \"memory-array\"},\n \t{ smbios_write_type17, \"memory-device\"},\n+\t{ smbios_write_type19, \"memory-array-mapped-address\"},\n #endif\n \t{ smbios_write_type32, },\n \t{ smbios_write_type127 },\n", "prefixes": [ "v6", "5/6" ] }