[ARM] pxa: add onenand support for TTC-DKB

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 87 insertions, 0 deletions

diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c
index 08cfef6c92a..bb26cb5351d 100644
--- a/arch/arm/mach-mmp/ttc_dkb.c
+++ b/arch/arm/mach-mmp/ttc_dkb.c
@@ -11,9 +11,13 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/onenand.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
 #include <mach/addr-map.h>
 #include <mach/mfp-pxa910.h>
 #include <mach/pxa910.h>
@@ -26,6 +30,86 @@ static unsigned long ttc_dkb_pin_config[] __initdata = {
 	/* UART2 */
 	GPIO47_UART2_RXD,
 	GPIO48_UART2_TXD,
+
+	/* DFI */
+	DF_IO0_ND_IO0,
+	DF_IO1_ND_IO1,
+	DF_IO2_ND_IO2,
+	DF_IO3_ND_IO3,
+	DF_IO4_ND_IO4,
+	DF_IO5_ND_IO5,
+	DF_IO6_ND_IO6,
+	DF_IO7_ND_IO7,
+	DF_IO8_ND_IO8,
+	DF_IO9_ND_IO9,
+	DF_IO10_ND_IO10,
+	DF_IO11_ND_IO11,
+	DF_IO12_ND_IO12,
+	DF_IO13_ND_IO13,
+	DF_IO14_ND_IO14,
+	DF_IO15_ND_IO15,
+	DF_nCS0_SM_nCS2_nCS0,
+	DF_ALE_SM_WEn_ND_ALE,
+	DF_CLE_SM_OEn_ND_CLE,
+	DF_WEn_DF_WEn,
+	DF_REn_DF_REn,
+	DF_RDY0_DF_RDY0,
+};
+
+static struct mtd_partition ttc_dkb_onenand_partitions[] = {
+	{
+		.name		= "bootloader",
+		.offset		= 0,
+		.size		= SZ_1M,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "reserved",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_128K,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "reserved",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_8M,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= (SZ_2M + SZ_1M),
+		.mask_flags	= 0,
+	}, {
+		.name		= "filesystem",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_48M,
+		.mask_flags	= 0,
+	}
+};
+
+static struct flash_platform_data ttc_dkb_onenand_info = {
+	.parts		= ttc_dkb_onenand_partitions,
+	.nr_parts	= ARRAY_SIZE(ttc_dkb_onenand_partitions),
+};
+
+static struct resource ttc_dkb_resource_onenand[] = {
+	[0] = {
+		.start	= SMC_CS0_PHYS_BASE,
+		.end	= SMC_CS0_PHYS_BASE + SZ_1M,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device ttc_dkb_device_onenand = {
+	.name		= "onenand-flash",
+	.id		= -1,
+	.resource	= ttc_dkb_resource_onenand,
+	.num_resources	= ARRAY_SIZE(ttc_dkb_resource_onenand),
+	.dev		= {
+		.platform_data	= &ttc_dkb_onenand_info,
+	},
+};
+
+static struct platform_device *ttc_dkb_devices[] = {
+	&ttc_dkb_device_onenand,
 };
 
 static void __init ttc_dkb_init(void)
@@ -34,6 +118,9 @@ static void __init ttc_dkb_init(void)
 
 	/* on-chip devices */
 	pxa910_add_uart(1);
+
+	/* off-chip devices */
+	platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
 }
 
 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")