+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
*/
#ifndef _ASM_CACHE_H
#include <asm/system.h>
+#ifndef CONFIG_ARM64
+
/*
* Invalidate L2 Cache using co-proc instruction
*/
+#if CONFIG_IS_ENABLED(SYS_THUMB_BUILD)
+void invalidate_l2_cache(void);
+#else
static inline void invalidate_l2_cache(void)
{
unsigned int val=0;
: : "r" (val) : "cc");
isb();
}
+#endif
+
+int check_cache_range(unsigned long start, unsigned long stop);
void l2_cache_enable(void);
void l2_cache_disable(void);
+void set_section_dcache(int section, enum dcache_option option);
+
+void arm_init_before_mmu(void);
+void cpu_cache_initialization(void);
+void dram_bank_mmu_setup(int bank);
+
+#endif
/*
- * The current upper bound for ARM L1 data cache line sizes is 64 bytes. We
- * use that value for aligning DMA buffers unless the board config has specified
- * an alternate cache line size.
+ * The value of the largest data cache relevant to DMA operations shall be set
+ * for us in CONFIG_SYS_CACHELINE_SIZE. In some cases this may be a larger
+ * value than found in the L1 cache but this is OK to use in terms of
+ * alignment.
*/
-#ifdef CONFIG_SYS_CACHELINE_SIZE
#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
-#else
-#define ARCH_DMA_MINALIGN 64
-#endif
+
+/*
+ * arm_reserve_mmu() - Reserve memory for MMU TLB table
+ *
+ * Default implementation for reserving memory for MMU TLB table. It is used
+ * during generic board init sequence in common/board_f.c. Weakly defined, so
+ * that machines can override it if needed.
+ *
+ * Return: 0 if OK
+ */
+int arm_reserve_mmu(void);
#endif /* _ASM_CACHE_H */