soc/intel/common/ebda: Drop code

There is no need to use EBDA to pass cbmem_top from romstage to
later stages.

Change-Id: I46e2459ff3c785f530cabc5930004ef920ffc89a
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36362
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner
Reviewed-by: Nico Huber <nico.h@gmx.de>

7 files changed, 0 insertions, 161 deletions

diff --git a/src/soc/intel/cannonlake/include/soc/ebda.h b/src/soc/intel/cannonlake/include/soc/ebda.h
deleted file mode 100644
index 4ed6566838..0000000000
--- a/src/soc/intel/cannonlake/include/soc/ebda.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2017 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef SOC_EBDA_H
-#define SOC_EBDA_H
-
-#include <stdint.h>
-
-struct ebda_config {
-	uint32_t signature; /* EBDA signature */
-	uint32_t cbmem_top; /* coreboot memory start */
-};
-
-#endif
diff --git a/src/soc/intel/common/block/ebda/Kconfig b/src/soc/intel/common/block/ebda/Kconfig
deleted file mode 100644
index 67c7b48033..0000000000
--- a/src/soc/intel/common/block/ebda/Kconfig
+++ /dev/null
@@ -1,5 +0,0 @@
-config SOC_INTEL_COMMON_BLOCK_EBDA
-	bool
-	select EARLY_EBDA_INIT
-	help
-	  Intel Processor common EBDA library support
diff --git a/src/soc/intel/common/block/ebda/Makefile.inc b/src/soc/intel/common/block/ebda/Makefile.inc
deleted file mode 100644
index beeba5176a..0000000000
--- a/src/soc/intel/common/block/ebda/Makefile.inc
+++ /dev/null
@@ -1,3 +0,0 @@
-romstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_EBDA) += ebda.c
-ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_EBDA) += ebda.c
-postcar-$(CONFIG_SOC_INTEL_COMMON_BLOCK_EBDA) += ebda.c
diff --git a/src/soc/intel/common/block/ebda/ebda.c b/src/soc/intel/common/block/ebda/ebda.c
deleted file mode 100644
index 072023cd16..0000000000
--- a/src/soc/intel/common/block/ebda/ebda.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2017 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <arch/ebda.h>
-#include <intelblocks/ebda.h>
-#include <string.h>
-
-void initialize_ebda_area(void)
-{
-	struct ebda_config ebda_cfg;
-
-	/* Initialize EBDA area early during romstage. */
-	setup_default_ebda();
-	ebda_cfg.signature = EBDA_SIGNATURE;
-	fill_memmap_ebda(&ebda_cfg);
-	write_ebda_data(&ebda_cfg, sizeof(ebda_cfg));
-}
-
-void retrieve_ebda_object(struct ebda_config *cfg)
-{
-	read_ebda_data(cfg, sizeof(*cfg));
-
-	if (cfg->signature != EBDA_SIGNATURE)
-		memset(cfg, 0, sizeof(*cfg));
-}
diff --git a/src/soc/intel/common/block/include/intelblocks/ebda.h b/src/soc/intel/common/block/include/intelblocks/ebda.h
deleted file mode 100644
index 48904f4705..0000000000
--- a/src/soc/intel/common/block/include/intelblocks/ebda.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2017 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef SOC_INTEL_COMMON_BLOCK_EBDA_H
-#define SOC_INTEL_COMMON_BLOCK_EBDA_H
-
-#define EBDA_SIGNATURE 0xebdaebda
-
-/* EBDA structure */
-struct ebda_config {
-	uint32_t signature; /* EBDA signature */
-	uint32_t cbmem_top; /* coreboot memory start */
-};
-
-/* Initialize EBDA and store structure into EBDA area */
-void initialize_ebda_area(void);
-
-/*
- * Fill the ebda object pointed to by cfg. Object will be zero filled
- * if signature check fails. */
-void retrieve_ebda_object(struct ebda_config *cfg);
-
-/* API for filling ebda with data in romstage */
-void fill_memmap_ebda(struct ebda_config *cfg);
-
-#endif
diff --git a/src/soc/intel/icelake/include/soc/ebda.h b/src/soc/intel/icelake/include/soc/ebda.h
deleted file mode 100644
index 5cb5cdc004..0000000000
--- a/src/soc/intel/icelake/include/soc/ebda.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2018 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef SOC_EBDA_H
-#define SOC_EBDA_H
-
-#include <stdint.h>
-
-struct ebda_config {
-	uint32_t signature; /* EBDA signature */
-	uint32_t cbmem_top; /* coreboot memory start */
-};
-
-#endif
diff --git a/src/soc/intel/skylake/include/soc/ebda.h b/src/soc/intel/skylake/include/soc/ebda.h
deleted file mode 100644
index 4ed6566838..0000000000
--- a/src/soc/intel/skylake/include/soc/ebda.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2017 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef SOC_EBDA_H
-#define SOC_EBDA_H
-
-#include <stdint.h>
-
-struct ebda_config {
-	uint32_t signature; /* EBDA signature */
-	uint32_t cbmem_top; /* coreboot memory start */
-};
-
-#endif