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sh: ap325rxa: create CPLD data area in mtd

AP320 and AP325RXA has CPLD data in NOR Flash.
If this area erased, this board can not boot.
This patch create CPLD data area and set writeable mask bit.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Nobuhiro Iwamatsu 16 lat temu
rodzic
commit
aa88f169d6
1 zmienionych plików z 23 dodań i 10 usunięć
  1. 23 10
      arch/sh/boards/board-ap325rxa.c

+ 23 - 10
arch/sh/boards/board-ap325rxa.c

@@ -52,20 +52,33 @@ static struct platform_device smc9118_device = {
 	},
 };
 
+/*
+ * AP320 and AP325RXA has CPLD data in NOR Flash(0xA80000-0xABFFFF).
+ * If this area erased, this board can not boot.
+ */
 static struct mtd_partition ap325rxa_nor_flash_partitions[] = {
 	{
-		 .name = "uboot",
-		 .offset = 0,
-		 .size = (1 * 1024 * 1024),
-		 .mask_flags = MTD_WRITEABLE,	/* Read-only */
+		.name = "uboot",
+		.offset = 0,
+		.size = (1 * 1024 * 1024),
+		.mask_flags = MTD_WRITEABLE,	/* Read-only */
+	}, {
+		.name = "kernel",
+		.offset = MTDPART_OFS_APPEND,
+		.size = (2 * 1024 * 1024),
+	}, {
+		.name = "free-area0",
+		.offset = MTDPART_OFS_APPEND,
+		.size = ((7 * 1024 * 1024) + (512 * 1024)),
 	}, {
-		 .name = "kernel",
-		 .offset = MTDPART_OFS_APPEND,
-		 .size = (2 * 1024 * 1024),
+		.name = "CPLD-Data",
+		.offset = MTDPART_OFS_APPEND,
+		.mask_flags = MTD_WRITEABLE,	/* Read-only */
+		.size = (1024 * 128 * 2),
 	}, {
-		 .name = "other",
-		 .offset = MTDPART_OFS_APPEND,
-		 .size = MTDPART_SIZ_FULL,
+		.name = "free-area1",
+		.offset = MTDPART_OFS_APPEND,
+		.size = MTDPART_SIZ_FULL,
 	},
 };