arm: at91/spl: matrix: use matrix slave id macros

To make matrix initialization code sharing with others,
use the matrix slave id macros, instead of hard-coding.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/arch/arm/mach-at91/matrix.c b/arch/arm/mach-at91/matrix.c
index e4780d6..57d7270 100644
--- a/arch/arm/mach-at91/matrix.c
+++ b/arch/arm/mach-at91/matrix.c
@@ -15,20 +15,20 @@
 	struct atmel_matrix *h32mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX1;
 	int i;
 
-	/* DDR port 1 ~ poart 7, slave number is: 4 ~ 10 */
-	for (i = 4; i <= 10; i++) {
+	/* DDR port 1 ~ port 7 */
+	for (i = H64MX_SLAVE_DDRC_PORT1; i <= H64MX_SLAVE_DDRC_PORT7; i++) {
 		writel(0x000f0f0f, &h64mx->ssr[i]);
 		writel(0x0000ffff, &h64mx->sassr[i]);
 		writel(0x0000000f, &h64mx->srtsr[i]);
 	}
 
-	/* CS3 */
-	writel(0x00c0c0c0, &h32mx->ssr[3]);
-	writel(0xff000000, &h32mx->sassr[3]);
-	writel(0xff000000, &h32mx->srtsr[3]);
+	/* EBI CS3 (NANDFlash 128M) and NFC Command Registers(128M) */
+	writel(0x00c0c0c0, &h32mx->ssr[H32MX_SLAVE_EBI]);
+	writel(0xff000000, &h32mx->sassr[H32MX_SLAVE_EBI]);
+	writel(0xff000000, &h32mx->srtsr[H32MX_SLAVE_EBI]);
 
 	/* NFC SRAM */
-	writel(0x00010101, &h32mx->ssr[4]);
-	writel(0x00000001, &h32mx->sassr[4]);
-	writel(0x00000001, &h32mx->srtsr[4]);
+	writel(0x00010101, &h32mx->ssr[H32MX_SLAVE_NFC_SRAM]);
+	writel(0x00000001, &h32mx->sassr[H32MX_SLAVE_NFC_SRAM]);
+	writel(0x00000001, &h32mx->srtsr[H32MX_SLAVE_NFC_SRAM]);
 }