[PATCH v3 13/19] x86: Record the position of the SMBIOS tables

[Simon Glass]

Remember where these end up so that we can pass this information on to
the EFI layer.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v2)

Changes in v2:
- Add new patch

 arch/sandbox/include/asm/global_data.h | 1 +
 arch/x86/include/asm/global_data.h     | 1 +
 arch/x86/lib/tables.c                  | 3 +++
 include/asm-generic/global_data.h      | 8 ++++++++
 4 files changed, 13 insertions(+)

diff --git a/arch/sandbox/include/asm/global_data.h b/arch/sandbox/include/asm/global_data.h
index f0ab3ba5c146..c6977735029d 100644
--- a/arch/sandbox/include/asm/global_data.h
+++ b/arch/sandbox/include/asm/global_data.h
@@ -17,6 +17,7 @@ struct arch_global_data {
 	ulong table_end;		/* End address of x86 tables */
 	ulong table_start_high;		/* Start address of high x86 tables */
 	ulong table_end_high;		/* End address of high x86 tables */
+	ulong smbios_start;		/* Start address of SMBIOS table */
 };
 
 #include <asm-generic/global_data.h>
diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h
index ea58259ad774..6f4a7130f1da 100644
--- a/arch/x86/include/asm/global_data.h
+++ b/arch/x86/include/asm/global_data.h
@@ -127,6 +127,7 @@ struct arch_global_data {
 	ulong table_end;		/* End address of x86 tables */
 	ulong table_start_high;		/* Start address of high x86 tables */
 	ulong table_end_high;		/* End address of high x86 tables */
+	ulong smbios_start;		/* Start address of SMBIOS table */
 };
 
 #endif
diff --git a/arch/x86/lib/tables.c b/arch/x86/lib/tables.c
index 67bc0a72aebc..5b5070f7ca57 100644
--- a/arch/x86/lib/tables.c
+++ b/arch/x86/lib/tables.c
@@ -97,6 +97,9 @@ int write_tables(void)
 		int size = table->size ? : CONFIG_ROM_TABLE_SIZE;
 		u32 rom_table_end;
 
+		if (!strcmp("smbios", table->name))
+			gd->arch.smbios_start = rom_addr;
+
 		if (IS_ENABLED(CONFIG_BLOBLIST_TABLES) && table->tag) {
 			if (!gd->arch.table_end)
 				gd->arch.table_end = rom_addr;
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 8fc205ded1a3..3421daea3632 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -552,6 +552,14 @@ static_assert(sizeof(struct global_data) == GD_SIZE);
 #define gd_set_acpi_start(addr)
 #endif
 
+#ifdef CONFIG_SMBIOS
+#define gd_smbios_start()	gd->smbios_start
+#define gd_set_smbios_start(addr)	gd->arch.smbios_start = addr
+#else
+#define gd_smbios_start()	0UL
+#define gd_set_smbios_start(addr)
+#endif
+
 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
 #define gd_multi_dtb_fit()	gd->multi_dtb_fit
 #define gd_set_multi_dtb_fit(_dtb)	gd->multi_dtb_fit = _dtb
-- 
2.42.0.rc1.204.g551eb34607-goog