From 8ea33d882cda31e97a2dd17e635c45434cc69bdd Mon Sep 17 00:00:00 2001
From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: Thu, 17 Oct 2013 12:13:29 +0300
Subject: [PATCH 05/15] ARM: s3c24xx: h1940: Add nand device

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
 arch/arm/mach-s3c24xx/mach-h1940.c | 69 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c
index d40d4f5..bdb99e5 100644
--- a/arch/arm/mach-s3c24xx/mach-h1940.c
+++ b/arch/arm/mach-s3c24xx/mach-h1940.c
@@ -32,6 +32,9 @@
 #include <linux/s3c_adc_battery.h>
 #include <linux/delay.h>
 
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
 #include <video/platform_lcd.h>
 
 #include <linux/mmc/host.h>
@@ -47,6 +50,7 @@
 #include <linux/platform_data/mmc-s3cmci.h>
 #include <linux/platform_data/touchscreen-s3c2410.h>
 #include <linux/platform_data/usb-s3c2410_udc.h>
+#include <linux/platform_data/mtd-nand-s3c2410.h>
 
 #include <sound/uda1380.h>
 
@@ -469,6 +473,69 @@ static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
 	.ocr_avail     = MMC_VDD_32_33,
 };
 
+static struct mtd_partition h1940_nand_part[] = {
+	[0] = {
+			.name = "Boot0",
+			.offset = 0,
+			.size = SZ_16K,
+			.mask_flags = MTD_WRITEABLE,
+	},
+	[1] = {
+			.name = "Boot1",
+			.offset = MTDPART_OFS_APPEND,
+			.size = SZ_1K * 240,
+			.mask_flags = 0,
+	},
+	[2] = {
+			.name = "Env",
+			.offset = MTDPART_OFS_APPEND,
+			.size = SZ_16K,
+			.mask_flags = 0,
+	},
+	[3] = {
+			.name = "Opts",
+			.offset = MTDPART_OFS_APPEND,
+			.size = SZ_32K,
+			.mask_flags = 0,
+	},
+	[4] = {
+			.name = "Kernel",
+			.offset = MTDPART_OFS_APPEND,
+			.size = SZ_1M * 3,
+			.mask_flags = 0,
+	},
+	[5] = {
+			.name = "Filesystem",
+			.offset = MTDPART_OFS_APPEND,
+			.size = MTDPART_SIZ_FULL,
+			.mask_flags = 0,
+	},
+};
+
+static struct nand_ecclayout h1940_ecc_layout = {
+	.eccbytes = 3,
+	.eccpos = {8, 9, 10},
+	.oobfree = {{2, 6}, {11, 5}}
+};
+
+static struct s3c2410_nand_set h1940_nand_sets[] = {
+	[0] = {
+		.name = "Internal",
+		.nr_chips = 1,
+		.nr_partitions = ARRAY_SIZE(h1940_nand_part),
+		.partitions = h1940_nand_part,
+		.ecc_layout = &h1940_ecc_layout,
+	},
+};
+
+static struct s3c2410_platform_nand h1940_nand_info = {
+	.tacls = 14,
+	.twrph0 = 44,
+	.twrph1 = 20,
+	.nr_sets = ARRAY_SIZE(h1940_nand_sets),
+	.sets = h1940_nand_sets,
+};
+
 static int h1940_backlight_init(struct device *dev)
 {
 	gpio_request(S3C2410_GPB(0), "Backlight");
@@ -637,6 +704,7 @@ static struct platform_device *h1940_devices[] __initdata = {
 	&h1940_device_bluetooth,
 	&s3c_device_sdi,
 	&s3c_device_rtc,
+	&s3c_device_nand,
 	&samsung_device_pwm,
 	&h1940_backlight,
 	&h1940_lcd_powerdev,
@@ -686,6 +754,7 @@ static void __init h1940_init(void)
  	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
 	s3c24xx_ts_set_platdata(&h1940_ts_cfg);
 	s3c_i2c0_set_platdata(NULL);
+	s3c_nand_set_platdata(&h1940_nand_info);
 
 	/* Turn off suspend on both USB ports, and switch the
 	 * selectable USB port to USB device mode. */
-- 
2.3.5