Merge branch 'core/xen' into x86/xen
[safe/jmp/linux-2.6] / arch / blackfin / mach-bf537 / boards / stamp.c
index 9a756d1..8482d22 100644 (file)
  */
 
 #include <linux/device.h>
+#include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/mtd/plat-ram.h>
 #include <linux/mtd/physmap.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
@@ -355,22 +358,100 @@ static struct platform_device net2272_bfin_device = {
 };
 #endif
 
+#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
+#ifdef CONFIG_MTD_PARTITIONS
+const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
+
+static struct mtd_partition bfin_plat_nand_partitions[] = {
+       {
+               .name   = "linux kernel(nand)",
+               .size   = 0x400000,
+               .offset = 0,
+       }, {
+               .name   = "file system(nand)",
+               .size   = MTDPART_SIZ_FULL,
+               .offset = MTDPART_OFS_APPEND,
+       },
+};
+#endif
+
+#define BFIN_NAND_PLAT_CLE 2
+#define BFIN_NAND_PLAT_ALE 1
+static void bfin_plat_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+       struct nand_chip *this = mtd->priv;
+
+       if (cmd == NAND_CMD_NONE)
+               return;
+
+       if (ctrl & NAND_CLE)
+               writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_CLE));
+       else
+               writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_ALE));
+}
+
+#define BFIN_NAND_PLAT_READY GPIO_PF3
+static int bfin_plat_nand_dev_ready(struct mtd_info *mtd)
+{
+       return gpio_get_value(BFIN_NAND_PLAT_READY);
+}
+
+static struct platform_nand_data bfin_plat_nand_data = {
+       .chip = {
+               .chip_delay = 30,
+#ifdef CONFIG_MTD_PARTITIONS
+               .part_probe_types = part_probes,
+               .partitions = bfin_plat_nand_partitions,
+               .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions),
+#endif
+       },
+       .ctrl = {
+               .cmd_ctrl  = bfin_plat_nand_cmd_ctrl,
+               .dev_ready = bfin_plat_nand_dev_ready,
+       },
+};
+
+#define MAX(x, y) (x > y ? x : y)
+static struct resource bfin_plat_nand_resources = {
+       .start = 0x20212000,
+       .end   = 0x20212000 + (1 << MAX(BFIN_NAND_PLAT_CLE, BFIN_NAND_PLAT_ALE)),
+       .flags = IORESOURCE_IO,
+};
+
+static struct platform_device bfin_async_nand_device = {
+       .name = "gen_nand",
+       .id = -1,
+       .num_resources = 1,
+       .resource = &bfin_plat_nand_resources,
+       .dev = {
+               .platform_data = &bfin_plat_nand_data,
+       },
+};
+
+static void bfin_plat_nand_init(void)
+{
+       gpio_request(BFIN_NAND_PLAT_READY, "bfin_nand_plat");
+}
+#else
+static void bfin_plat_nand_init(void) {}
+#endif
+
 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 static struct mtd_partition stamp_partitions[] = {
        {
-               .name       = "Bootloader",
+               .name       = "bootloader(nor)",
                .size       = 0x40000,
                .offset     = 0,
        }, {
-               .name       = "Kernel",
+               .name       = "linux kernel(nor)",
                .size       = 0xE0000,
                .offset     = MTDPART_OFS_APPEND,
        }, {
-               .name       = "RootFS",
+               .name       = "file system(nor)",
                .size       = 0x400000 - 0x40000 - 0xE0000 - 0x10000,
                .offset     = MTDPART_OFS_APPEND,
        }, {
-               .name       = "MAC Address",
+               .name       = "MAC Address(nor)",
                .size       = MTDPART_SIZ_FULL,
                .offset     = 0x3F0000,
                .mask_flags = MTD_WRITEABLE,
@@ -400,23 +481,20 @@ static struct platform_device stamp_flash_device = {
 };
 #endif
 
-#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
-/* all SPI peripherals info goes here */
-
 #if defined(CONFIG_MTD_M25P80) \
        || defined(CONFIG_MTD_M25P80_MODULE)
 static struct mtd_partition bfin_spi_flash_partitions[] = {
        {
-               .name = "bootloader",
+               .name = "bootloader(spi)",
                .size = 0x00040000,
                .offset = 0,
                .mask_flags = MTD_CAP_ROM
        }, {
-               .name = "kernel",
+               .name = "linux kernel(spi)",
                .size = 0xe0000,
                .offset = MTDPART_OFS_APPEND,
        }, {
-               .name = "file system",
+               .name = "file system(spi)",
                .size = MTDPART_SIZ_FULL,
                .offset = MTDPART_OFS_APPEND,
        }
@@ -506,6 +584,30 @@ static struct bfin5xx_spi_chip spidev_chip_info = {
 
 #if defined(CONFIG_MTD_DATAFLASH) \
        || defined(CONFIG_MTD_DATAFLASH_MODULE)
+
+static struct mtd_partition bfin_spi_dataflash_partitions[] = {
+       {
+               .name = "bootloader(spi)",
+               .size = 0x00040000,
+               .offset = 0,
+               .mask_flags = MTD_CAP_ROM
+       }, {
+               .name = "linux kernel(spi)",
+               .size = 0xe0000,
+               .offset = MTDPART_OFS_APPEND,
+       }, {
+               .name = "file system(spi)",
+               .size = MTDPART_SIZ_FULL,
+               .offset = MTDPART_OFS_APPEND,
+       }
+};
+
+static struct flash_platform_data bfin_spi_dataflash_data = {
+       .name = "SPI Dataflash",
+       .parts = bfin_spi_dataflash_partitions,
+       .nr_parts = ARRAY_SIZE(bfin_spi_dataflash_partitions),
+};
+
 /* DataFlash chip */
 static struct bfin5xx_spi_chip data_flash_chip_info = {
        .enable_dma = 0,         /* use dma transfer with this chip*/
@@ -531,9 +633,10 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
        || defined(CONFIG_MTD_DATAFLASH_MODULE)
        {       /* DataFlash chip */
                .modalias = "mtd_dataflash",
-               .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
+               .max_speed_hz = 33250000,     /* max spi clock (SCK) speed in HZ */
                .bus_num = 0, /* Framework bus number */
                .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
+               .platform_data = &bfin_spi_dataflash_data,
                .controller_data = &data_flash_chip_info,
                .mode = SPI_MODE_3,
        },
@@ -629,6 +732,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 #endif
 };
 
+#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 /* SPI controller data */
 static struct bfin5xx_spi_master bfin_spi0_info = {
        .num_chipselect = 8,
@@ -782,7 +886,7 @@ static struct platform_device bfin_sport1_uart_device = {
 #endif
 
 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
-#define PATA_INT       55
+#define PATA_INT       IRQ_PF5
 
 static struct pata_platform_info bfin_pata_platform_data = {
        .ioport_shift = 1,
@@ -924,6 +1028,10 @@ static struct platform_device *stamp_devices[] __initdata = {
 
        &bfin_gpios_device,
 
+#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
+       &bfin_async_nand_device,
+#endif
+
 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
        &stamp_flash_device,
 #endif
@@ -938,11 +1046,9 @@ static int __init stamp_init(void)
                                ARRAY_SIZE(bfin_i2c_board_info));
 #endif
 
+       bfin_plat_nand_init();
        platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
-#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
-       spi_register_board_info(bfin_spi_board_info,
-                               ARRAY_SIZE(bfin_spi_board_info));
-#endif
+       spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 
 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
        irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;