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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-08-20 13:02:20 +0300
committerBin Meng <bmeng.cn@gmail.com>2020-09-01 13:38:31 +0800
commit1d01d0c2f0962e26a3661a2a7d497afa3fc1ed34 (patch)
tree46dfb125daf534376de27200fa9981f93014a1bc
parentcf9f38064d048ac12cd3a7e1a40a84aa8071f712 (diff)
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x86: Introduce USE_EARLY_BOARD_INIT option
Introduce USE_EARLY_BOARD_INIT option and select it by the actual users. Cc: George McCollister <george.mccollister@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Stefan Roese <sr@denx.de> Reviewed-by: Aiden Park <aiden.park@intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
-rw-r--r--arch/x86/Kconfig3
-rw-r--r--arch/x86/cpu/start.S3
-rw-r--r--board/google/chromebook_coral/Kconfig1
-rw-r--r--board/google/chromebook_link/Kconfig1
-rw-r--r--board/google/chromebook_samus/Kconfig1
5 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a34b108..76276c6 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -203,6 +203,9 @@ config SPL_X86_32BIT_INIT
help
This is enabled when 32-bit init is in SPL
+config USE_EARLY_BOARD_INIT
+ bool
+
config RESET_SEG_START
hex
depends on X86_RESET_VECTOR
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index 4ad515c..3b6ed37 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -88,6 +88,7 @@ _start:
/* Clear the interrupt vectors */
lidt blank_idt_ptr
+#ifdef CONFIG_USE_EARLY_BOARD_INIT
/*
* Critical early platform init - generally not used, we prefer init
* to happen later when we have a console, in case something goes
@@ -96,6 +97,8 @@ _start:
jmp early_board_init
.globl early_board_init_ret
early_board_init_ret:
+#endif
+
post_code(POST_START)
/* Initialise Cache-As-RAM */
diff --git a/board/google/chromebook_coral/Kconfig b/board/google/chromebook_coral/Kconfig
index 940bee8..2767195 100644
--- a/board/google/chromebook_coral/Kconfig
+++ b/board/google/chromebook_coral/Kconfig
@@ -18,6 +18,7 @@ config SYS_TEXT_BASE
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select X86_RESET_VECTOR
+ select USE_EARLY_BOARD_INIT
select INTEL_APOLLOLAKE
select BOARD_ROMSIZE_KB_16384
diff --git a/board/google/chromebook_link/Kconfig b/board/google/chromebook_link/Kconfig
index 944716d..dd29ddf 100644
--- a/board/google/chromebook_link/Kconfig
+++ b/board/google/chromebook_link/Kconfig
@@ -19,6 +19,7 @@ config SYS_TEXT_BASE
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select X86_RESET_VECTOR
+ select USE_EARLY_BOARD_INIT
select NORTHBRIDGE_INTEL_IVYBRIDGE
select HAVE_INTEL_ME
select BOARD_ROMSIZE_KB_8192
diff --git a/board/google/chromebook_samus/Kconfig b/board/google/chromebook_samus/Kconfig
index 90c23cb..9f66d79 100644
--- a/board/google/chromebook_samus/Kconfig
+++ b/board/google/chromebook_samus/Kconfig
@@ -19,6 +19,7 @@ config SYS_TEXT_BASE
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select X86_RESET_VECTOR
+ select USE_EARLY_BOARD_INIT
select INTEL_BROADWELL
select HAVE_INTEL_ME
select BOARD_ROMSIZE_KB_8192