[PATCH v2 4/4] s3c: mach-real6410: add nand support
Darius Augulis
augulis.darius at gmail.com
Fri Aug 6 13:23:11 EDT 2010
Add nand device support and mtd partition table
for mach-real6410
Signed-off-by: Darius Augulis <augulis.darius at gmail.com>
---
Changelog since v1:
- Fixed errors reported by checkpatch.pl
- Spaces in indentation replaced by TABs
arch/arm/mach-s3c64xx/Kconfig | 1 +
arch/arm/mach-s3c64xx/mach-real6410.c | 41 +++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index f5c77e5..7ac93ce 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -93,6 +93,7 @@ config MACH_REAL6410
select CPU_S3C6410
select S3C_DEV_HSMMC
select S3C_DEV_HSMMC1
+ select S3C_DEV_NAND
select S3C64XX_SETUP_SDHCI
help
Machine support for the CoreWind REAL6410
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
index bd52605..7eafb23 100644
--- a/arch/arm/mach-s3c64xx/mach-real6410.c
+++ b/arch/arm/mach-s3c64xx/mach-real6410.c
@@ -18,6 +18,8 @@
#include <linux/list.h>
#include <linux/init.h>
#include <linux/dm9000.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <asm/mach-types.h>
@@ -28,6 +30,7 @@
#include <mach/regs-srom.h>
#include <plat/cpu.h>
#include <plat/devs.h>
+#include <plat/nand.h>
#include <plat/regs-serial.h>
#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
@@ -99,10 +102,46 @@ static struct platform_device real6410_device_eth = {
},
};
+static struct mtd_partition real6410_nand_part[] = {
+ [0] = {
+ .name = "uboot",
+ .size = SZ_1M,
+ .offset = 0,
+ },
+ [1] = {
+ .name = "kernel",
+ .size = SZ_2M,
+ .offset = SZ_1M,
+ },
+ [2] = {
+ .name = "rootfs",
+ .size = MTDPART_SIZ_FULL,
+ .offset = SZ_1M + SZ_2M,
+ },
+};
+
+static struct s3c2410_nand_set real6410_nand_sets[] = {
+ [0] = {
+ .name = "nand",
+ .nr_chips = 1,
+ .nr_partitions = ARRAY_SIZE(real6410_nand_part),
+ .partitions = real6410_nand_part,
+ },
+};
+
+static struct s3c2410_platform_nand real6410_nand_info = {
+ .tacls = 25,
+ .twrph0 = 55,
+ .twrph1 = 40,
+ .nr_sets = ARRAY_SIZE(real6410_nand_sets),
+ .sets = real6410_nand_sets,
+};
+
static struct platform_device *real6410_devices[] __initdata = {
&real6410_device_eth,
&s3c_device_hsmmc0,
&s3c_device_hsmmc1,
+ &s3c_device_nand,
};
static void __init real6410_map_io(void)
@@ -116,6 +155,8 @@ static void __init real6410_machine_init(void)
{
u32 cs1;
+ s3c_nand_set_platdata(&real6410_nand_info);
+
/* configure nCS1 width to 16 bits */
cs1 = __raw_readl(S3C64XX_SROM_BW) &
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