[ARM] pxa: add onenand support for SAAR

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

1 files changed, 95 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c
index de588636f724..926258703deb 100644
--- a/arch/arm/mach-pxa/saar.c
+++ b/arch/arm/mach-pxa/saar.c
@@ -22,9 +22,13 @@
 #include <linux/i2c.h>
 #include <linux/smc91x.h>
 #include <linux/mfd/da903x.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/pxa930.h>
 #include <plat/i2c.h>
@@ -33,7 +37,7 @@
 #include "devices.h"
 #include "generic.h"
 
-#define GPIO_LCD_RESET  (16)
+#define GPIO_LCD_RESET          (16)
 
 /* SAAR MFP configurations */
 static mfp_cfg_t saar_mfp_cfg[] __initdata = {
@@ -56,6 +60,31 @@ static mfp_cfg_t saar_mfp_cfg[] __initdata = {
         /* Ethernet */
         DF_nCS1_nCS3,
         GPIO97_GPIO,
+
+        /* DFI */
+        DF_INT_RnB_ND_INT_RnB,
+        DF_nRE_nOE_ND_nRE,
+        DF_nWE_ND_nWE,
+        DF_CLE_nOE_ND_CLE,
+        DF_nADV1_ALE_ND_ALE,
+        DF_nADV2_ALE_nCS3,
+        DF_nCS0_ND_nCS0,
+        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,
 };
 
 #define SAAR_ETH_PHYS   (0x14000000)
@@ -485,12 +514,77 @@ static void __init saar_init_i2c(void)
 #else
 static inline void saar_init_i2c(void) {}
 #endif
+
+#if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
+static struct mtd_partition saar_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 saar_onenand_info = {
+        .parts          = saar_onenand_partitions,
+        .nr_parts       = ARRAY_SIZE(saar_onenand_partitions),
+};
+
+#define SMC_CS0_PHYS_BASE       (0x10000000)
+
+static struct resource saar_resource_onenand[] = {
+        [0] = {
+                .start  = SMC_CS0_PHYS_BASE,
+                .end    = SMC_CS0_PHYS_BASE + SZ_1M,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device saar_device_onenand = {
+        .name           = "onenand-flash",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &saar_onenand_info,
+        },
+        .resource       = saar_resource_onenand,
+        .num_resources  = ARRAY_SIZE(saar_resource_onenand),
+};
+
+static void __init saar_init_onenand(void)
+{
+        platform_device_register(&saar_device_onenand);
+}
+#else
+static void __init saar_init_onenand(void) {}
+#endif
+
 static void __init saar_init(void)
 {
         /* initialize MFP configurations */
         pxa3xx_mfp_config(ARRAY_AND_SIZE(saar_mfp_cfg));
 
         platform_device_register(&smc91x_device);
+        saar_init_onenand();
 
         saar_init_i2c();
         saar_init_lcd();