X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fsandbox%2Finclude%2Fasm%2Fio.h;h=895fcb872f6a375876fdd05c5fe73714871fbc00;hb=5745f8c4fd5807becf7f246625e153388293aedc;hp=0392d218ec2cd156a6a6b8418460e1f7b2876f19;hpb=744d9859a71c515118457fecb7a58674b600e81a;p=u-boot

diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index 0392d218ec..895fcb872f 100644
--- 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
@@ -39,3 +26,28 @@ static inline void unmap_physmem(void *vaddr, unsigned long flags)
 {
 
 }
+
+/* For sandbox, we want addresses to point into our RAM buffer */
+static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
+{
+	return map_physmem(paddr, len, MAP_WRBACK);
+}
+
+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);
+
+/* Define nops for sandbox I/O access */
+#define readb(addr) 0
+#define readw(addr) 0
+#define readl(addr) 0
+#define writeb(v, addr)
+#define writew(v, addr)
+#define writel(v, addr)
+
+#include <iotrace.h>
+
+#endif