ARM: Fix overflow in MMU setup

[J-u-boot.git] / arch / arm / lib / cache-cp15.c

diff --git a/arch/arm/lib/cache-cp15.c b/arch/arm/lib/cache-cp15.c
index 6ecbedfed96c33f3938131bd5a3dd7b60df9fd7f..3e62d58542359c2f91e157a0954f9362a33b2817 100644 (file)
--- a/arch/arm/lib/cache-cp15.c
+++ b/arch/arm/lib/cache-cp15.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2002
  * Wolfgang Denk, DENX Software Engineering, [email protected].
  *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -30,11 +14,13 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-void __arm_init_before_mmu(void)
+__weak void arm_init_before_mmu(void)
+{
+}
+
+__weak void arm_init_domains(void)
 {
 }
-void arm_init_before_mmu(void)
-       __attribute__((weak, alias("__arm_init_before_mmu")));
 
 static void cp_delay (void)
 {
@@ -56,14 +42,11 @@ void set_section_dcache(int section, enum dcache_option option)
        page_table[section] = value;
 }
 
-void __mmu_page_table_flush(unsigned long start, unsigned long stop)
+__weak void mmu_page_table_flush(unsigned long start, unsigned long stop)
 {
        debug("%s: Warning: not implemented\n", __func__);
 }
 
-void mmu_page_table_flush(unsigned long start, unsigned long stop)
-       __attribute__((weak, alias("__mmu_page_table_flush")));
-
 void mmu_set_region_dcache_behaviour(u32 start, int size,
                                     enum dcache_option option)
 {
@@ -86,7 +69,7 @@ __weak void dram_bank_mmu_setup(int bank)
 
        debug("%s: bank: %d\n", __func__, bank);
        for (i = bd->bi_dram[bank].start >> 20;
-            i < (bd->bi_dram[bank].start + bd->bi_dram[bank].size) >> 20;
+            i < (bd->bi_dram[bank].start >> 20) + (bd->bi_dram[bank].size >> 20);
             i++) {
 #if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH)
                set_section_dcache(i, DCACHE_WRITETHROUGH);
@@ -117,6 +100,9 @@ static inline void mmu_setup(void)
        /* Set the access control to all-supervisor */
        asm volatile("mcr p15, 0, %0, c3, c0, 0"
                     : : "r" (~0));
+
+       arm_init_domains();
+
        /* and enable the mmu */
        reg = get_cr(); /* get control reg. */
        cp_delay();