arch/x86: Remove EARLY_EBDA_INIT support

This is unused now.

Change-Id: Ie8bc1d6761d66c5e1dda40c34c940cdba90646d2
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36363
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

1 files changed, 1 insertions, 47 deletions

diff --git a/src/arch/x86/ebda.c b/src/arch/x86/ebda.c
index d1212f9d32..f2727bb8fe 100644
--- a/src/arch/x86/ebda.c
+++ b/src/arch/x86/ebda.c
@@ -24,58 +24,12 @@ static void *get_ebda_start(void)
 	return (void *)((uintptr_t)DEFAULT_EBDA_SEGMENT << 4);
 }
 
-static bool is_length_valid(size_t dlength)
-{
-	/* Check if input data length is > DEFAULT_EBDA_SIZE */
-	if (dlength > DEFAULT_EBDA_SIZE)
-		return false;
-
-	/* Valid data length */
-	return true;
-}
-
 /*
  * EBDA area is representing a 1KB memory area just below
  * the top of conventional memory (below 1MB)
  */
 
-/*
- * write_ebda_data is a wrapper function to write into EBDA area
- *
- * data = data to be written into EBDA area
- * length = input data size.
- */
-void write_ebda_data(const void *data, size_t length)
-{
-	void *ebda;
-
-	if (!is_length_valid(length))
-		die("Input data length is > EBDA default size (1KiB)!");
-
-	ebda = get_ebda_start();
-
-	memcpy(ebda, data, length);
-}
-
-/*
- * read_ebda_data is a wrapper function to read from EBDA area
- *
- * data = data read from EBDA area based on input size
- * length = read data size.
- */
-void read_ebda_data(void *data, size_t length)
-{
-	void *ebda;
-
-	if (!is_length_valid(length))
-		die("Input data length is > EBDA default size (1KiB)!");
-
-	ebda = get_ebda_start();
-
-	memcpy(data, ebda, length);
-}
-
-void setup_ebda(u32 low_memory_size, u16 ebda_segment, u16 ebda_size)
+static void setup_ebda(u32 low_memory_size, u16 ebda_segment, u16 ebda_size)
 {
 	u16 low_memory_kb;
 	u16 ebda_kb;