8 files changed, 41 insertions, 18 deletions

diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
index 06b5fa853c93..c4996f3dba3b 100644
--- a/arch/arm/mach-mmp/aspenite.c
+++ b/arch/arm/mach-mmp/aspenite.c
@@ -167,8 +167,9 @@ static struct mtd_partition aspenite_nand_partitions[] = {
 
 static struct pxa3xx_nand_platform_data aspenite_nand_info = {
         .enable_arbiter = 1,
-        .parts          = aspenite_nand_partitions,
-        .nr_parts       = ARRAY_SIZE(aspenite_nand_partitions),
+        .num_cs = 1,
+        .parts[0]       = aspenite_nand_partitions,
+        .nr_parts[0]    = ARRAY_SIZE(aspenite_nand_partitions),
 };
 
 static struct i2c_board_info aspenite_i2c_info[] __initdata = {
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index b6a51340270b..eac3846ce42c 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -424,8 +424,9 @@ static struct mtd_partition cm_x300_nand_partitions[] = {
 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
         .enable_arbiter = 1,
         .keep_config    = 1,
-        .parts          = cm_x300_nand_partitions,
-        .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
+        .num_cs         = 1,
+        .parts[0]       = cm_x300_nand_partitions,
+        .nr_parts[0]    = ARRAY_SIZE(cm_x300_nand_partitions),
 };
 
 static void __init cm_x300_init_nand(void)
diff --git a/arch/arm/mach-pxa/colibri-pxa3xx.c b/arch/arm/mach-pxa/colibri-pxa3xx.c
index 3f9be419959d..2b8ca0de8a3d 100644
--- a/arch/arm/mach-pxa/colibri-pxa3xx.c
+++ b/arch/arm/mach-pxa/colibri-pxa3xx.c
@@ -139,8 +139,9 @@ static struct mtd_partition colibri_nand_partitions[] = {
 static struct pxa3xx_nand_platform_data colibri_nand_info = {
         .enable_arbiter = 1,
         .keep_config    = 1,
-        .parts          = colibri_nand_partitions,
-        .nr_parts       = ARRAY_SIZE(colibri_nand_partitions),
+        .num_cs         = 1,
+        .parts[0]       = colibri_nand_partitions,
+        .nr_parts[0]    = ARRAY_SIZE(colibri_nand_partitions),
 };
 
 void __init colibri_pxa3xx_init_nand(void)
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index 8f97e15e86e5..cd9fda3c9e65 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -325,8 +325,9 @@ static struct mtd_partition littleton_nand_partitions[] = {
 
 static struct pxa3xx_nand_platform_data littleton_nand_info = {
         .enable_arbiter = 1,
-        .parts          = littleton_nand_partitions,
-        .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
+        .num_cs         = 1,
+        .parts[0]       = littleton_nand_partitions,
+        .nr_parts[0]    = ARRAY_SIZE(littleton_nand_partitions),
 };
 
 static void __init littleton_init_nand(void)
diff --git a/arch/arm/mach-pxa/mxm8x10.c b/arch/arm/mach-pxa/mxm8x10.c
index b5a8fd3fce04..90928d6e1a5b 100644
--- a/arch/arm/mach-pxa/mxm8x10.c
+++ b/arch/arm/mach-pxa/mxm8x10.c
@@ -389,10 +389,11 @@ static struct mtd_partition mxm_8x10_nand_partitions[] = {
 };
 
 static struct pxa3xx_nand_platform_data mxm_8x10_nand_info = {
-        .enable_arbiter = 1,
-        .keep_config = 1,
-        .parts = mxm_8x10_nand_partitions,
-        .nr_parts = ARRAY_SIZE(mxm_8x10_nand_partitions)
+        .enable_arbiter = 1,
+        .keep_config    = 1,
+        .num_cs         = 1,
+        .parts[0]       = mxm_8x10_nand_partitions,
+        .nr_parts[0]    = ARRAY_SIZE(mxm_8x10_nand_partitions)
 };
 
 static void __init mxm_8x10_nand_init(void)
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index bbcd90562ebe..6a2f353de39a 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -346,8 +346,9 @@ static struct mtd_partition raumfeld_nand_partitions[] = {
 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
         .enable_arbiter = 1,
         .keep_config    = 1,
-        .parts          = raumfeld_nand_partitions,
-        .nr_parts       = ARRAY_SIZE(raumfeld_nand_partitions),
+        .num_cs         = 1,
+        .parts[0]       = raumfeld_nand_partitions,
+        .nr_parts[0]    = ARRAY_SIZE(raumfeld_nand_partitions),
 };
 
 /**
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 15ec66b3471a..90fbf879c019 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -366,8 +366,9 @@ static struct mtd_partition zylonite_nand_partitions[] = {
 
 static struct pxa3xx_nand_platform_data zylonite_nand_info = {
         .enable_arbiter = 1,
-        .parts          = zylonite_nand_partitions,
-        .nr_parts       = ARRAY_SIZE(zylonite_nand_partitions),
+        .num_cs         = 1,
+        .parts[0]       = zylonite_nand_partitions,
+        .nr_parts[0]    = ARRAY_SIZE(zylonite_nand_partitions),
 };
 
 static void __init zylonite_init_nand(void)
diff --git a/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h
index 442301fe48b4..c42f39f20195 100644
--- a/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h
+++ b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h
@@ -41,6 +41,19 @@ struct pxa3xx_nand_flash {
         struct pxa3xx_nand_timing *timing;      /* NAND Flash timing */
 };
 
+/*
+ * Current pxa3xx_nand controller has two chip select which
+ * both be workable.
+ *
+ * Notice should be taken that:
+ * When you want to use this feature, you should not enable the
+ * keep configuration feature, for two chip select could be
+ * attached with different nand chip. The different page size
+ * and timing requirement make the keep configuration impossible.
+ */
+
+/* The max num of chip select current support */
+#define NUM_CHIP_SELECT         (2)
 struct pxa3xx_nand_platform_data {
 
         /* the data flash bus is shared between the Static Memory
@@ -52,8 +65,11 @@ struct pxa3xx_nand_platform_data {
         /* allow platform code to keep OBM/bootloader defined NFC config */
         int     keep_config;
 
-        const struct mtd_partition              *parts;
-        unsigned int                            nr_parts;
+        /* indicate how many chip selects will be used */
+        int     num_cs;
+
+        const struct mtd_partition              *parts[NUM_CHIP_SELECT];
+        unsigned int                            nr_parts[NUM_CHIP_SELECT];
 
         const struct pxa3xx_nand_flash *        flash;
         size_t                                  num_flash;