openwrt-xburst/target/linux/xburst/patches-2.6.31/220-add-2gb-nand-support.patch

diff --git a/arch/mips/jz4740/platform.c b/arch/mips/jz4740/platform.c
index 6a129e7..3c069d8 100644
--- a/arch/mips/jz4740/platform.c
+++ b/arch/mips/jz4740/platform.c
@@ -164,6 +164,45 @@ static struct resource jz_nand_resources[] = {
 	},
 };
 
+#ifdef QI_LB60_2GB_NAND
+static struct nand_ecclayout qi_lb60_ecclayout = {
+	.eccbytes = 72,
+        .eccpos = {
+                12, 13, 14, 15, 16, 17, 18, 19,
+		20, 21, 22, 23, 24, 25, 26, 27, 
+		28, 29, 30, 31, 32, 33, 34, 35,
+		36, 37, 38, 39, 40, 41, 42, 43,
+		44, 45, 46, 47, 48, 49, 50, 51, 
+		52, 53, 54, 55, 56, 57, 58, 59, 
+		60, 61, 62, 63, 64, 65, 66, 67, 
+		68, 69, 70, 71, 72, 73, 74, 75, 
+		76, 77, 78, 79, 80, 81, 82, 83},
+        .oobfree = {
+ 		{.offset = 2,
+		 .length = 10},
+		{.offset = 84,
+		 .length = 44}}
+};
+ 
+static struct mtd_partition qi_lb60_partitions[] = {
+	{ .name = "NAND BOOT partition",
+	  .offset = 0 * 0x100000,
+	  .size = 4 * 0x100000,
+ 	},
+	{ .name = "NAND KERNEL partition",
+	  .offset = 4 * 0x100000,
+	  .size = 4 * 0x100000,
+ 	},
+	{ .name = "NAND ROOTFS partition",
+	  .offset = 8 * 0x100000,
+	  .size = 504 * 0x100000,
+ 	},
+	{ .name = "NAND DATA partition",
+	  .offset = 512 * 0x100000,
+	  .size = (512 + 1024) * 0x100000,
+ 	},
+};
+#else
 static struct nand_ecclayout qi_lb60_ecclayout = {
 	.eccbytes = 36,
 	.eccpos = {
@@ -180,29 +219,30 @@ static struct nand_ecclayout qi_lb60_ecclayout = {
 };
 
 static struct mtd_partition qi_lb60_partitions[] = {
-	{ .name =	"NAND BOOT partition",
-	  .offset =	0 * 0x100000,
-	  .size =	4 * 0x100000,
-	},
-	{ .name =	"NAND KERNEL partition",
-	  .offset =	4 * 0x100000,
-	  .size =	4 * 0x100000,
-	},
-	{ .name =	"NAND ROOTFS partition",
-	  .offset =	8 * 0x100000,
-	  .size =	20 * 0x100000,
-	},
-	{ .name =	"NAND DATA partition",
-	  .offset =	100 * 0x100000,
-	  .size =	20 * 0x100000,
-	},
+	{ .name = "NAND BOOT partition",
+	  .offset = 0 * 0x100000,
+	  .size = 4 * 0x100000,
+ 	},
+	{ .name = "NAND KERNEL partition",
+	  .offset = 4 * 0x100000,
+	  .size = 4 * 0x100000,
+ 	},
+	{ .name = "NAND ROOTFS partition",
+	  .offset = 8 * 0x100000,
+	  .size = 504 * 0x100000,
+ 	},
+	{ .name = "NAND DATA partition",
+	  .offset = 512 * 0x100000,
+	  .size = 512 * 0x100000,
+ 	},
 };
+#endif /* QI_LB60_2GB_NAND */
 
 static struct jz_nand_platform_data jz_nand_platform_data = {
 	.num_partitions = ARRAY_SIZE(qi_lb60_partitions),
 	.partitions = qi_lb60_partitions,
 	.ecc_layout = &qi_lb60_ecclayout,
-    .busy_gpio = 94,
+	.busy_gpio = 94,
 };
 
 static struct platform_device jz_nand_device = {
@@ -213,7 +253,9 @@ static struct platform_device jz_nand_device = {
 		.platform_data = &jz_nand_platform_data,
 	}
 };
-#define KEEP_UART_ALIVE
+/* #define KEEP_UART_ALIVE
+ * don't define this. the keyboard and keyboard both work
+ */
 
 #define KEY_QI_QI	KEY_F13
 #define KEY_QI_UPRED	KEY_F14
@@ -286,8 +328,8 @@ static const uint32_t qi_lb60_keymap[] = {
 };
 
 static const struct matrix_keymap_data qi_lb60_keymap_data = {
-    .keymap		= qi_lb60_keymap,
-    .keymap_size	= ARRAY_SIZE(qi_lb60_keymap),
+	.keymap		= qi_lb60_keymap,
+	.keymap_size	= ARRAY_SIZE(qi_lb60_keymap),
 };
 
 static const unsigned int qi_lb60_keypad_cols[] = {
@@ -297,12 +339,12 @@ static const unsigned int qi_lb60_keypad_cols[] = {
 static const unsigned int qi_lb60_keypad_rows[] = {
 	114, 115, 116, 117, 118, 119, 120,
 #ifndef KEEP_UART_ALIVE
-    122,
+	122,
 #endif
 };
 
 static struct matrix_keypad_platform_data qi_lb60_pdata = {
-    .keymap_data = &qi_lb60_keymap_data,
+	.keymap_data = &qi_lb60_keymap_data,
 	.col_gpios	= qi_lb60_keypad_cols,
 	.row_gpios	= qi_lb60_keypad_rows,
 	.num_col_gpios	= ARRAY_SIZE(qi_lb60_keypad_cols),
@@ -310,7 +352,7 @@ static struct matrix_keypad_platform_data qi_lb60_pdata = {
 	.col_scan_delay_us	= 10,
 	.debounce_ms		= 10,
 	.wakeup			= 1,
-    .active_low = 1,
+	.active_low		= 1,
 };
 
 static struct platform_device qi_lb60_keypad = {
@@ -375,7 +417,7 @@ static struct platform_device *jz_platform_devices[] __initdata = {
 	&jz_mmc_device,
 	&jz_nand_device,
 	&jz_i2c_device,
-    &qi_lb60_keypad,
+	&qi_lb60_keypad,
 	&qi_lb60_fb,
 };
 
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index f86db5a..b19fffa 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -135,7 +135,7 @@ struct nand_oobfree {
  */
 struct nand_ecclayout {
 	__u32 eccbytes;
-	__u32 eccpos[64];
+	__u32 eccpos[72];
 	__u32 oobavail;
 	struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
 };