libpayload: Remove legacy CBFS API

It's been several years already since we announced the deprecation of
the legacy CBFS API for payloads. It's time to remove it completely.

Change-Id: I0ed157ac2d1376b8dff4537af9a63731064b45f6
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80650
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Jakub Czapiga <czapiga@google.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>

2 files changed, 0 insertions, 111 deletions

diff --git a/payloads/libpayload/arch/x86/Makefile.mk b/payloads/libpayload/arch/x86/Makefile.mk
index 653412ef5a..196415d7a2 100644
--- a/payloads/libpayload/arch/x86/Makefile.mk
+++ b/payloads/libpayload/arch/x86/Makefile.mk
@@ -43,7 +43,6 @@ libc-$(CONFIG_LP_GPL) += string.c
 
 libgdb-y += gdb.c
 
-libcbfs-$(CONFIG_LP_CBFS) += rom_media.c
 libcbfs-$(CONFIG_LP_CBFS) += boot_media.c
 
 # Multiboot support is configurable
diff --git a/payloads/libpayload/arch/x86/rom_media.c b/payloads/libpayload/arch/x86/rom_media.c
deleted file mode 100644
index ffb3809e5d..0000000000
--- a/payloads/libpayload/arch/x86/rom_media.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- *
- * Copyright (C) 2013 Google, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-#define LIBPAYLOAD
-
-#include <cbfs.h>
-#include <string.h>
-
-#ifdef LIBPAYLOAD
-# define printk(x...)
-# define init_default_cbfs_media libpayload_init_default_cbfs_media
-  extern int libpayload_init_default_cbfs_media(struct cbfs_media *media);
-#else
-# include <console/console.h>
-#endif
-
-// Implementation of memory-mapped ROM media source on X86.
-
-static int x86_rom_open(struct cbfs_media *media) {
-	return 0;
-}
-
-static void *x86_rom_map(struct cbfs_media *media, size_t offset, size_t count) {
-	void *ptr;
-	// Some address (ex, pointer to master header) may be given in memory
-	// mapped location. To workaround that, we handle >0xf0000000 as real
-	// memory pointer.
-
-	if ((uint32_t)offset > (uint32_t)0xf0000000)
-		ptr = (void*)offset;
-	else
-		ptr = (void*)(0 - (uint32_t)media->context + offset);
-	return ptr;
-}
-
-static void *x86_rom_unmap(struct cbfs_media *media, const void *address) {
-	return NULL;
-}
-
-static size_t x86_rom_read(struct cbfs_media *media, void *dest, size_t offset,
-			   size_t count) {
-	void *ptr = x86_rom_map(media, offset, count);
-	memcpy(dest, ptr, count);
-	x86_rom_unmap(media, ptr);
-	return count;
-}
-
-static int x86_rom_close(struct cbfs_media *media) {
-	return 0;
-}
-
-int init_x86rom_cbfs_media(struct cbfs_media *media);
-int init_x86rom_cbfs_media(struct cbfs_media *media) {
-	// On X86, we always keep a reference of pointer to CBFS header in
-	// 0xfffffffc, and the pointer is still a memory-mapped address.
-	// Since the CBFS core always use ROM offset, we need to figure out
-	// header->romsize even before media is initialized.
-	struct cbfs_header *header = (struct cbfs_header*)
-			*(uint32_t*)(0xfffffffc);
-	if (CBFS_HEADER_MAGIC != ntohl(header->magic)) {
-#if CONFIG(LP_ROM_SIZE)
-		printk(BIOS_ERR, "Invalid CBFS master header at %p\n", header);
-		media->context = (void*)CONFIG_LP_ROM_SIZE;
-#else
-		return -1;
-#endif
-	} else {
-		uint32_t romsize = ntohl(header->romsize);
-		media->context = (void*)romsize;
-#if CONFIG(LP_ROM_SIZE)
-		if (CONFIG_LP_ROM_SIZE != romsize)
-			printk(BIOS_WARNING, "rom size unmatch (%d/%d)\n",
-			       CONFIG_LP_ROM_SIZE, romsize);
-#endif
-	}
-	media->open = x86_rom_open;
-	media->close = x86_rom_close;
-	media->map = x86_rom_map;
-	media->unmap = x86_rom_unmap;
-	media->read = x86_rom_read;
-	return 0;
-}
-
-int init_default_cbfs_media(struct cbfs_media *media) {
-	return init_x86rom_cbfs_media(media);
-}