sandbox: Make map_to_sysmem() use a constant pointer

[karo-tx-uboot.git] / arch / sandbox / include / asm / io.h

diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index d8c02364d9e811186eb0550fd39a0e3eb2e376c9..7956041171f52beaaeb5b263da17926414d5dcdd 100644 (file)
--- a/arch/sandbox/include/asm/io.h
+++ b/arch/sandbox/include/asm/io.h
@@ -1,25 +1,12 @@
 /*
  * Copyright (c) 2011 The Chromium OS Authors.
  *
- * 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+
  */
 
+#ifndef __SANDBOX_ASM_IO_H
+#define __SANDBOX_ASM_IO_H
+
 /*
  * Given a physical address and a length, return a virtual address
  * that can be used to access the memory range with the caching
@@ -49,3 +36,8 @@ static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
 static inline void unmap_sysmem(const void *vaddr)
 {
 }
+
+/* Map from a pointer to our RAM buffer */
+phys_addr_t map_to_sysmem(const void *ptr);
+
+#endif