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From a63933b7f6b410c478a4fad08ec61f13ef1549a8 Mon Sep 17 00:00:00 2001
From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: Thu, 17 Oct 2013 12:13:29 +0300
Subject: [PATCH 06/17] ARM: s3c24xx: h1940: Add nand device
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
arch/arm/mach-s3c24xx/mach-h1940.c | 74 ++++++++++++++++++++++++++++++++++++++
1 file changed, 74 insertions(+)
diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c
index de08321..1b3807e 100644
--- a/arch/arm/mach-s3c24xx/mach-h1940.c
+++ b/arch/arm/mach-s3c24xx/mach-h1940.c
@@ -31,6 +31,9 @@
#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>
@@ -46,6 +49,7 @@
#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>
@@ -466,6 +470,74 @@ 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");
@@ -634,6 +706,7 @@ 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,
@@ -678,6 +751,7 @@ 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. */
--
1.9.3
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