[U-Boot] [PATCH v2] axs101: Fix type mismatch warning

[Vasili Galka]

Initialization of pointer from integer shall be designated by explicit
type cast.

Signed-off-by: Vasili Galka <vvv444 at gmail.com>
Cc: Alexey Brodkin <alexey.brodkin at synopsys.com>
---
Changes for v2:
   - Verified complience with checkpatch.pl (wrapped long lines)
   
 board/synopsys/axs101/nand.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/board/synopsys/axs101/nand.c b/board/synopsys/axs101/nand.c
index c7f90c4..ff35286 100644
--- a/board/synopsys/axs101/nand.c
+++ b/board/synopsys/axs101/nand.c
@@ -62,8 +62,10 @@ struct nand_bd {
 	uint32_t buffer_ptr1;	/* DES3 */
 };
 
-#define NAND_REG_WRITE(r, v)	writel(v, CONFIG_SYS_NAND_BASE + r)
-#define NAND_REG_READ(r)	readl(CONFIG_SYS_NAND_BASE + r)
+#define NAND_REG_WRITE(r, v)	\
+	writel(v, (volatile void __iomem *)(CONFIG_SYS_NAND_BASE + r))
+#define NAND_REG_READ(r)		\
+	readl((const volatile void __iomem *)(CONFIG_SYS_NAND_BASE + r))
 
 static struct nand_bd *bd;	/* DMA buffer descriptors	*/
 
-- 
1.8.1.msysgit.1