and reduce amount of copy/paste

Signed-off-by: Mike Rapoport <[email protected]>
---
 arch/arm/mach-omap2/board-devkit8000.c     |   43 +-------------------------
 arch/arm/mach-omap2/board-omap3beagle.c    |   45 +--------------------------
 arch/arm/mach-omap2/board-omap3touchbook.c |   45 +--------------------------
 arch/arm/mach-omap2/board-overo.c          |   42 +------------------------
 arch/arm/mach-omap2/common-board-devices.c |   42 ++++++++++++++++++++++++++
 arch/arm/mach-omap2/common-board-devices.h |   10 ++++++
 6 files changed, 60 insertions(+), 167 deletions(-)

diff --git a/arch/arm/mach-omap2/board-devkit8000.c 
b/arch/arm/mach-omap2/board-devkit8000.c
index 983f44b..e7dc057 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -97,13 +97,6 @@ static struct mtd_partition devkit8000_nand_partitions[] = {
        },
 };
 
-static struct omap_nand_platform_data devkit8000_nand_data = {
-       .options        = NAND_BUSWIDTH_16,
-       .parts          = devkit8000_nand_partitions,
-       .nr_parts       = ARRAY_SIZE(devkit8000_nand_partitions),
-       .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
-};
-
 static struct omap2_hsmmc_info mmc[] = {
        {
                .mmc            = 1,
@@ -516,39 +509,6 @@ static struct platform_device *devkit8000_devices[] 
__initdata = {
        &omap_dm9000_dev,
 };
 
-static void __init devkit8000_flash_init(void)
-{
-       u8 cs = 0;
-       u8 nandcs = GPMC_CS_NUM + 1;
-
-       /* find out the chip-select on which NAND exists */
-       while (cs < GPMC_CS_NUM) {
-               u32 ret = 0;
-               ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
-
-               if ((ret & 0xC00) == 0x800) {
-                       printk(KERN_INFO "Found NAND on CS%d\n", cs);
-                       if (nandcs > GPMC_CS_NUM)
-                               nandcs = cs;
-               }
-               cs++;
-       }
-
-       if (nandcs > GPMC_CS_NUM) {
-               printk(KERN_INFO "NAND: Unable to find configuration "
-                                "in GPMC\n ");
-               return;
-       }
-
-       if (nandcs < GPMC_CS_NUM) {
-               devkit8000_nand_data.cs = nandcs;
-
-               printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
-               if (gpmc_nand_init(&devkit8000_nand_data) < 0)
-                       printk(KERN_ERR "Unable to register NAND device\n");
-       }
-}
-
 static struct omap_musb_board_data musb_board_data = {
        .interface_type         = MUSB_INTERFACE_ULPI,
        .mode                   = MUSB_OTG,
@@ -740,7 +700,8 @@ static void __init devkit8000_init(void)
 
        usb_musb_init(&musb_board_data);
        usbhs_init(&usbhs_bdata);
-       devkit8000_flash_init();
+       omap_nand_flash_init(NAND_BUSWIDTH_16, devkit8000_nand_partitions,
+                            ARRAY_SIZE(devkit8000_nand_partitions));
 
        /* Ensure SDRC pins are mux'd for self-refresh */
        omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c 
b/arch/arm/mach-omap2/board-omap3beagle.c
index 13a1664..ce3bc2d 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -174,15 +174,6 @@ static struct mtd_partition omap3beagle_nand_partitions[] 
= {
        },
 };
 
-static struct omap_nand_platform_data omap3beagle_nand_data = {
-       .options        = NAND_BUSWIDTH_16,
-       .parts          = omap3beagle_nand_partitions,
-       .nr_parts       = ARRAY_SIZE(omap3beagle_nand_partitions),
-       .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
-       .nand_setup     = NULL,
-       .dev_ready      = NULL,
-};
-
 /* DSS */
 
 static int beagle_enable_dvi(struct omap_dss_device *dssdev)
@@ -542,39 +533,6 @@ static struct platform_device *omap3_beagle_devices[] 
__initdata = {
        &keys_gpio,
 };
 
-static void __init omap3beagle_flash_init(void)
-{
-       u8 cs = 0;
-       u8 nandcs = GPMC_CS_NUM + 1;
-
-       /* find out the chip-select on which NAND exists */
-       while (cs < GPMC_CS_NUM) {
-               u32 ret = 0;
-               ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
-
-               if ((ret & 0xC00) == 0x800) {
-                       printk(KERN_INFO "Found NAND on CS%d\n", cs);
-                       if (nandcs > GPMC_CS_NUM)
-                               nandcs = cs;
-               }
-               cs++;
-       }
-
-       if (nandcs > GPMC_CS_NUM) {
-               printk(KERN_INFO "NAND: Unable to find configuration "
-                                "in GPMC\n ");
-               return;
-       }
-
-       if (nandcs < GPMC_CS_NUM) {
-               omap3beagle_nand_data.cs = nandcs;
-
-               printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
-               if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
-                       printk(KERN_ERR "Unable to register NAND device\n");
-       }
-}
-
 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 
        .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
@@ -662,7 +620,8 @@ static void __init omap3_beagle_init(void)
 
        usb_musb_init(&musb_board_data);
        usbhs_init(&usbhs_bdata);
-       omap3beagle_flash_init();
+       omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,
+                            ARRAY_SIZE(omap3beagle_nand_partitions));
 
        /* Ensure SDRC pins are mux'd for self-refresh */
        omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c 
b/arch/arm/mach-omap2/board-omap3touchbook.c
index 0a9b329..d770802 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -96,15 +96,6 @@ static struct mtd_partition omap3touchbook_nand_partitions[] 
= {
        },
 };
 
-static struct omap_nand_platform_data omap3touchbook_nand_data = {
-       .options        = NAND_BUSWIDTH_16,
-       .parts          = omap3touchbook_nand_partitions,
-       .nr_parts       = ARRAY_SIZE(omap3touchbook_nand_partitions),
-       .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
-       .nand_setup     = NULL,
-       .dev_ready      = NULL,
-};
-
 #include "sdram-micron-mt46h32m32lf-6.h"
 
 static struct omap2_hsmmc_info mmc[] = {
@@ -396,39 +387,6 @@ static struct platform_device *omap3_touchbook_devices[] 
__initdata = {
        &keys_gpio,
 };
 
-static void __init omap3touchbook_flash_init(void)
-{
-       u8 cs = 0;
-       u8 nandcs = GPMC_CS_NUM + 1;
-
-       /* find out the chip-select on which NAND exists */
-       while (cs < GPMC_CS_NUM) {
-               u32 ret = 0;
-               ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
-
-               if ((ret & 0xC00) == 0x800) {
-                       printk(KERN_INFO "Found NAND on CS%d\n", cs);
-                       if (nandcs > GPMC_CS_NUM)
-                               nandcs = cs;
-               }
-               cs++;
-       }
-
-       if (nandcs > GPMC_CS_NUM) {
-               printk(KERN_INFO "NAND: Unable to find configuration "
-                                "in GPMC\n ");
-               return;
-       }
-
-       if (nandcs < GPMC_CS_NUM) {
-               omap3touchbook_nand_data.cs = nandcs;
-
-               printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
-               if (gpmc_nand_init(&omap3touchbook_nand_data) < 0)
-                       printk(KERN_ERR "Unable to register NAND device\n");
-       }
-}
-
 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 
        .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
@@ -491,7 +449,8 @@ static void __init omap3_touchbook_init(void)
        omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
        usb_musb_init(&musb_board_data);
        usbhs_init(&usbhs_bdata);
-       omap3touchbook_flash_init();
+       omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions,
+                            ARRAY_SIZE(omap3touchbook_nand_partitions));
 
        /* Ensure SDRC pins are mux'd for self-refresh */
        omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
diff --git a/arch/arm/mach-omap2/board-overo.c 
b/arch/arm/mach-omap2/board-overo.c
index d0621dc..9212442 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -302,45 +302,6 @@ static struct mtd_partition overo_nand_partitions[] = {
        },
 };
 
-static struct omap_nand_platform_data overo_nand_data = {
-       .parts = overo_nand_partitions,
-       .nr_parts = ARRAY_SIZE(overo_nand_partitions),
-       .dma_channel = -1,      /* disable DMA in OMAP NAND driver */
-};
-
-static void __init overo_flash_init(void)
-{
-       u8 cs = 0;
-       u8 nandcs = GPMC_CS_NUM + 1;
-
-       /* find out the chip-select on which NAND exists */
-       while (cs < GPMC_CS_NUM) {
-               u32 ret = 0;
-               ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
-
-               if ((ret & 0xC00) == 0x800) {
-                       printk(KERN_INFO "Found NAND on CS%d\n", cs);
-                       if (nandcs > GPMC_CS_NUM)
-                               nandcs = cs;
-               }
-               cs++;
-       }
-
-       if (nandcs > GPMC_CS_NUM) {
-               printk(KERN_INFO "NAND: Unable to find configuration "
-                                "in GPMC\n ");
-               return;
-       }
-
-       if (nandcs < GPMC_CS_NUM) {
-               overo_nand_data.cs = nandcs;
-
-               printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
-               if (gpmc_nand_init(&overo_nand_data) < 0)
-                       printk(KERN_ERR "Unable to register NAND device\n");
-       }
-}
-
 static struct omap2_hsmmc_info mmc[] = {
        {
                .mmc            = 1,
@@ -602,7 +563,8 @@ static void __init overo_init(void)
        overo_i2c_init();
        omap_display_init(&overo_dss_data);
        omap_serial_init();
-       overo_flash_init();
+       omap_nand_flash_init(0, overo_nand_partitions,
+                            ARRAY_SIZE(overo_nand_partitions));
        usb_musb_init(&musb_board_data);
        usbhs_init(&usbhs_bdata);
        overo_spi_init();
diff --git a/arch/arm/mach-omap2/common-board-devices.c 
b/arch/arm/mach-omap2/common-board-devices.c
index cea31dd..d57c71d 100644
--- a/arch/arm/mach-omap2/common-board-devices.c
+++ b/arch/arm/mach-omap2/common-board-devices.c
@@ -29,6 +29,7 @@
 
 #include <plat/i2c.h>
 #include <plat/mcspi.h>
+#include <plat/nand.h>
 
 #include "common-board-devices.h"
 
@@ -104,3 +105,44 @@ void __init omap_ads7846_init(int bus_num, int 
gpio_pendown, int gpio_debounce,
 
        spi_register_board_info(&ads7846_spi_board_info, 1);
 }
+
+static struct omap_nand_platform_data nand_data = {
+       .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
+};
+
+void __init omap_nand_flash_init(int options, struct mtd_partition *parts,
+                                int nr_parts)
+{
+       u8 cs = 0;
+       u8 nandcs = GPMC_CS_NUM + 1;
+
+       /* find out the chip-select on which NAND exists */
+       while (cs < GPMC_CS_NUM) {
+               u32 ret = 0;
+               ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
+
+               if ((ret & 0xC00) == 0x800) {
+                       printk(KERN_INFO "Found NAND on CS%d\n", cs);
+                       if (nandcs > GPMC_CS_NUM)
+                               nandcs = cs;
+               }
+               cs++;
+       }
+
+       if (nandcs > GPMC_CS_NUM) {
+               printk(KERN_INFO "NAND: Unable to find configuration "
+                                "in GPMC\n ");
+               return;
+       }
+
+       if (nandcs < GPMC_CS_NUM) {
+               nand_data.cs = nandcs;
+               nand_data.parts = parts;
+               nand_data.nr_parts = nr_parts;
+               nand_data.options = options;
+
+               printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
+               if (gpmc_nand_init(&nand_data) < 0)
+                       printk(KERN_ERR "Unable to register NAND device\n");
+       }
+}
diff --git a/arch/arm/mach-omap2/common-board-devices.h 
b/arch/arm/mach-omap2/common-board-devices.h
index 0ec3e07..ca03abf 100644
--- a/arch/arm/mach-omap2/common-board-devices.h
+++ b/arch/arm/mach-omap2/common-board-devices.h
@@ -2,6 +2,7 @@
 #define __OMAP_COMMON_BOARD_DEVICES__
 
 struct twl4030_platform_data;
+struct mtd_partition;
 
 void omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq,
                    struct twl4030_platform_data *pmic_data);
@@ -39,4 +40,13 @@ static inline void omap_ads7846_init(int bus_num,
 }
 #endif
 
+#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
+void omap_nand_flash_init(int opts, struct mtd_partition *parts, int n_parts);
+#else
+static inline void omap_nand_flash_init(int opts, struct mtd_partition *parts,
+                                       int nr_parts)
+{
+}
+#endif
+
 #endif /* __OMAP_COMMON_BOARD_DEVICES__ */
-- 
1.7.3.1

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