linux-kernel - [PATCH v4 24/35] common: Enable BLOBLIST

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Message-ID: <20240918152136.3395170-25-patrick.rudolph@9elements.com>
Date: Wed, 18 Sep 2024 17:20:28 +0200
From: Patrick Rudolph <patrick.rudolph@...ements.com>
To: u-boot@...ts.denx.de,
	linux-kernel@...r.kernel.org
Cc: Patrick Rudolph <patrick.rudolph@...ements.com>,
	Tom Rini <trini@...sulko.com>
Subject: [PATCH v4 24/35] common: Enable BLOBLIST_TABLES on arm

Allow to use BLOBLIST_TABLES on arm to store ACPI or other tables.

Signed-off-by: Patrick Rudolph <patrick.rudolph@...ements.com>
Cc: Tom Rini <trini@...sulko.com>
---
 common/Kconfig |  1 +
 lib/Kconfig    | 15 +++++++++------
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/common/Kconfig b/common/Kconfig
index e1b8557e0c..09ead61817 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -1076,6 +1076,7 @@ config BLOBLIST_SIZE_RELOC
 	hex "Size of bloblist after relocation"
 	default BLOBLIST_SIZE if BLOBLIST_FIXED || BLOBLIST_ALLOC
 	default 0x0 if BLOBLIST_PASSAGE
+	default 0x20000 if (ARM && EFI_LOADER && GENERATE_ACPI_TABLE)
 	help
 	  Sets the size of the bloblist in bytes after relocation. Since U-Boot
 	  has a lot more memory available then, it is possible to use a larger
diff --git a/lib/Kconfig b/lib/Kconfig
index 2059219a12..ea444354eb 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -983,12 +983,15 @@ menu "System tables"
 
 config BLOBLIST_TABLES
 	bool "Put tables in a bloblist"
-	depends on X86 && BLOBLIST
-	help
-	  Normally tables are placed at address 0xf0000 and can be up to 64KB
-	  long. With this option, tables are instead placed in the bloblist
-	  with a pointer from 0xf0000. The size can then be larger and the
-	  tables can be placed high in memory.
+	depends on BLOBLIST
+	default y if (ARM && EFI_LOADER && GENERATE_ACPI_TABLE)
+	default n
+	help
+	  On x86 normally tables are placed at address 0xf0000 and can be up
+	  to 64KB long. With this option, tables are instead placed in the
+	  bloblist with a pointer from 0xf0000. The size can then be larger
+	  and the tables can be placed high in memory.
+	  On other architectures the tables are always placed in high memory.
 
 config GENERATE_SMBIOS_TABLE
 	bool "Generate an SMBIOS (System Management BIOS) table"
-- 
2.46.0