[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 08cfef6c92a2..bb26cb5351df 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")