Extra omap code in linux-omap tree

[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / board-omap3pandora.c

diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 402f09c6cf1011da8ccd291b62decf5606b6f402..c67f62ff8850976a9da45820f6ed19493323b0ae 100644 (file)
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -17,7 +17,11 @@
  *
  */
 
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/err.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 
@@ -25,21 +29,119 @@
 #include <linux/spi/ads7846.h>
 #include <linux/i2c/twl4030.h>
 
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
 #include <asm/mach/map.h>
 
 #include <mach/board.h>
 #include <mach/common.h>
 #include <mach/gpio.h>
+#include <mach/gpmc.h>
 #include <mach/hardware.h>
-#include <mach/mcspi.h>
+#include <mach/nand.h>
 #include <mach/usb.h>
+#include <mach/mcspi.h>
 
+#include "sdram-micron-mt46h32m32lf-6.h"
 #include "mmc-twl4030.h"
 
+
+#define NAND_BLOCK_SIZE                        SZ_128K
+#define GPMC_CS0_BASE                  0x60
+#define GPMC_CS_SIZE                   0x30
+
 #define OMAP3_PANDORA_TS_GPIO          94
 
+static struct mtd_partition omap3pandora_nand_partitions[] = {
+       {
+               .name           = "xloader",
+               .offset         = 0,                    /* Offset = 0x00000 */
+               .size           = 4 * NAND_BLOCK_SIZE,
+               .mask_flags     = MTD_WRITEABLE
+       }, {
+               .name           = "uboot",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
+               .size           = 14 * NAND_BLOCK_SIZE,
+       }, {
+               .name           = "uboot environment",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x240000 */
+               .size           = 2 * NAND_BLOCK_SIZE,
+       }, {
+               .name           = "linux",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
+               .size           = 32 * NAND_BLOCK_SIZE,
+       }, {
+               .name           = "rootfs",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
+               .size           = MTDPART_SIZ_FULL,
+       },
+};
+
+static struct omap_nand_platform_data omap3pandora_nand_data = {
+       .parts          = omap3pandora_nand_partitions,
+       .nr_parts       = ARRAY_SIZE(omap3pandora_nand_partitions),
+       .dma_channel    = -1,   /* disable DMA in OMAP NAND driver */
+};
+
+static struct resource omap3pandora_nand_resource[] = {
+       {
+               .flags          = IORESOURCE_MEM,
+       },
+};
+
+static struct platform_device omap3pandora_nand_device = {
+       .name           = "omap2-nand",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = &omap3pandora_nand_data,
+       },
+       .num_resources  = ARRAY_SIZE(omap3pandora_nand_resource),
+       .resource       = omap3pandora_nand_resource,
+};
+
+static void __init omap3pandora_flash_init(void)
+{
+       u8 cs = 0;
+       u8 nandcs = GPMC_CS_NUM + 1;
+
+       u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
+
+       /* 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) {
+               omap3pandora_nand_data.cs = nandcs;
+               omap3pandora_nand_data.gpmc_cs_baseaddr = (void *)
+                       (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
+               omap3pandora_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
+
+               printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
+               if (platform_device_register(&omap3pandora_nand_device) < 0)
+                       printk(KERN_ERR "Unable to register NAND device\n");
+       }
+}
+
 static struct twl4030_hsmmc_info omap3pandora_mmc[] = {
        {
                .mmc            = 1,
@@ -118,7 +220,7 @@ static int __init omap3pandora_i2c_init(void)
 
 static void __init omap3pandora_init_irq(void)
 {
-       omap2_init_common_hw(NULL);
+       omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
        omap_init_irq();
        omap_gpio_init();
 }
@@ -200,8 +302,10 @@ static void __init omap3pandora_init(void)
        omap_serial_init();
        spi_register_board_info(omap3pandora_spi_board_info,
                        ARRAY_SIZE(omap3pandora_spi_board_info));
-       omap3pandora_ads7846_init();
        usb_musb_init();
+       usb_ehci_init();
+       omap3pandora_flash_init();
+       omap3pandora_ads7846_init();
 }
 
 static void __init omap3pandora_map_io(void)