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authorEdward O'Callaghan <eocallaghan@alterapraxis.com>2015-01-08 02:05:21 +1100
committerEdward O'Callaghan <eocallaghan@alterapraxis.com>2015-01-12 18:55:49 +0100
commitdd191a2a7d3a092f37b1e6b42c544661698f6137 (patch)
tree6c4c1e916fe67fdb07982eef6794ede423422b6e
parent37130ebdabe44989787aadeafbe79524970dec75 (diff)
downloadcoreboot-dd191a2a7d3a092f37b1e6b42c544661698f6137.tar.xz
soc/intel/broadwell/spi_loading.c: Remove dead code
I would appear from commit a6354a1 that this is now dead code. Change-Id: I0f74183c9a5d8cc6ff5a11409d487cc45d9ed2df Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/8168 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
-rw-r--r--src/soc/intel/broadwell/Makefile.inc1
-rw-r--r--src/soc/intel/broadwell/spi_loading.c67
2 files changed, 0 insertions, 68 deletions
diff --git a/src/soc/intel/broadwell/Makefile.inc b/src/soc/intel/broadwell/Makefile.inc
index 43be95ecf4..feead00f07 100644
--- a/src/soc/intel/broadwell/Makefile.inc
+++ b/src/soc/intel/broadwell/Makefile.inc
@@ -52,7 +52,6 @@ smm-y += smihandler.c
ramstage-y += smmrelocate.c
ramstage-y += spi.c
smm-$(CONFIG_SPI_FLASH_SMM) += spi.c
-ramstage-y += spi_loading.c
ramstage-y += stage_cache.c
romstage-y += stage_cache.c
ramstage-y += systemagent.c
diff --git a/src/soc/intel/broadwell/spi_loading.c b/src/soc/intel/broadwell/spi_loading.c
deleted file mode 100644
index 9454d03dc2..0000000000
--- a/src/soc/intel/broadwell/spi_loading.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Google Inc.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <arch/byteorder.h>
-#include <cbmem.h>
-#include <cbfs.h>
-#include <console/console.h>
-#include <cpu/x86/smm.h>
-#include <vendorcode/google/chromeos/chromeos.h>
-
-#define CACHELINE_SIZE 64
-#define INTRA_CACHELINE_MASK (CACHELINE_SIZE - 1)
-#define CACHELINE_MASK (~INTRA_CACHELINE_MASK)
-
-/* Mirror the payload file to the default SMM location if it is small enough.
- * The default SMM region can be used since no one is using the memory at this
- * location at this stage in the boot. */
-static inline void *spi_mirror(void *file_start, int file_len)
-{
- int alignment_diff;
- char *src;
- char *dest = (void *)SMM_DEFAULT_BASE;
-
- alignment_diff = (INTRA_CACHELINE_MASK & (long)file_start);
-
- /* Adjust file length so that the start and end points are aligned to a
- * cacheline. Coupled with the ROM caching in the CPU the SPI hardware
- * will read and cache full length cachelines. It will also prefetch
- * data as well. Once things are mirrored in memory all accesses should
- * hit the CPUs cache. */
- file_len += alignment_diff;
- file_len = ALIGN(file_len, CACHELINE_SIZE);
-
- printk(BIOS_DEBUG, "Payload aligned size: 0x%x\n", file_len);
-
- /* Just pass back the pointer to ROM space if the file is larger
- * than the RAM mirror region. */
- if (file_len > SMM_DEFAULT_SIZE)
- return file_start;
-
- src = (void *)(CACHELINE_MASK & (long)file_start);
- /* Note that if mempcy is not using 32-bit moves the performance will
- * degrade because the SPI hardware prefetchers look for
- * cacheline-aligned 32-bit accesses to kick in. */
- memcpy(dest, src, file_len);
-
- /* Provide pointer into mirrored space. */
- return &dest[alignment_diff];
-}