ARM: uniphier: rework spl_boot_device() and related code

[u-boot] / arch / arm / cpu / arm926ejs / cache.c

diff --git a/arch/arm/cpu/arm926ejs/cache.c b/arch/arm/cpu/arm926ejs/cache.c
index 2740ad7e29bef7b59704e691ca95964e9b9fc662..02cb24c24ffb0c08b063f8a59f1181c57331e18e 100644 (file)
--- a/arch/arm/cpu/arm926ejs/cache.c
+++ b/arch/arm/cpu/arm926ejs/cache.c
@@ -2,32 +2,12 @@
  * (C) Copyright 2011
  * Ilya Yanok, EmCraft Systems
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <linux/types.h>
 #include <common.h>
 
 #ifndef CONFIG_SYS_DCACHE_OFF
-
-#ifndef CONFIG_SYS_CACHELINE_SIZE
-#define CONFIG_SYS_CACHELINE_SIZE      32
-#endif
-
 void invalidate_dcache_all(void)
 {
        asm volatile("mcr p15, 0, %0, c7, c6, 0\n" : : "r"(0));
@@ -44,23 +24,6 @@ void flush_dcache_all(void)
        );
 }
 
-static int check_cache_range(unsigned long start, unsigned long stop)
-{
-       int ok = 1;
-
-       if (start & (CONFIG_SYS_CACHELINE_SIZE - 1))
-               ok = 0;
-
-       if (stop & (CONFIG_SYS_CACHELINE_SIZE - 1))
-               ok = 0;
-
-       if (!ok)
-               debug("CACHE: Misaligned operation at range [%08lx, %08lx]\n",
-                       start, stop);
-
-       return ok;
-}
-
 void invalidate_dcache_range(unsigned long start, unsigned long stop)
 {
        if (!check_cache_range(start, stop))
@@ -84,11 +47,6 @@ void flush_dcache_range(unsigned long start, unsigned long stop)
 
        asm volatile("mcr p15, 0, %0, c7, c10, 4\n" : : "r"(0));
 }
-
-void flush_cache(unsigned long start, unsigned long size)
-{
-       flush_dcache_range(start, start + size);
-}
 #else /* #ifndef CONFIG_SYS_DCACHE_OFF */
 void invalidate_dcache_all(void)
 {
@@ -97,24 +55,14 @@ void invalidate_dcache_all(void)
 void flush_dcache_all(void)
 {
 }
-
-void invalidate_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
-void flush_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
-void flush_cache(unsigned long start, unsigned long size)
-{
-}
 #endif /* #ifndef CONFIG_SYS_DCACHE_OFF */
 
 /*
  * Stub implementations for l2 cache operations
  */
-void __l2_cache_disable(void) {}
 
-void l2_cache_disable(void)
-       __attribute__((weak, alias("__l2_cache_disable")));
+__weak void l2_cache_disable(void) {}
+
+#if defined CONFIG_SYS_THUMB_BUILD
+__weak void invalidate_l2_cache(void) {}
+#endif