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@@ -21,8 +21,11 @@
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#include <linux/kernel.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/platform_device.h>
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#include <linux/errno.h>
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#include <linux/errno.h>
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+#include <linux/workqueue.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/mtd.h>
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+#include <linux/mtd/nand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/partitions.h>
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+#include <linux/input.h>
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#include <asm/setup.h>
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#include <asm/setup.h>
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#include <asm/page.h>
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#include <asm/page.h>
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@@ -33,15 +36,59 @@
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#include <asm/mach/map.h>
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#include <asm/mach/map.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/gpio.h>
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+#include <asm/arch/gpioexpander.h>
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#include <asm/arch/irqs.h>
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#include <asm/arch/irqs.h>
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#include <asm/arch/mux.h>
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#include <asm/arch/mux.h>
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#include <asm/arch/tc.h>
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#include <asm/arch/tc.h>
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+#include <asm/arch/irda.h>
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#include <asm/arch/usb.h>
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#include <asm/arch/usb.h>
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+#include <asm/arch/keypad.h>
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+#include <asm/arch/dma.h>
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#include <asm/arch/common.h>
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#include <asm/arch/common.h>
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extern int omap_gpio_init(void);
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extern int omap_gpio_init(void);
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-static struct mtd_partition h3_partitions[] = {
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+static int h3_keymap[] = {
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+ KEY(0, 0, KEY_LEFT),
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+ KEY(0, 1, KEY_RIGHT),
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+ KEY(0, 2, KEY_3),
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+ KEY(0, 3, KEY_F10),
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+ KEY(0, 4, KEY_F5),
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+ KEY(0, 5, KEY_9),
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+ KEY(1, 0, KEY_DOWN),
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+ KEY(1, 1, KEY_UP),
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+ KEY(1, 2, KEY_2),
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+ KEY(1, 3, KEY_F9),
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+ KEY(1, 4, KEY_F7),
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+ KEY(1, 5, KEY_0),
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+ KEY(2, 0, KEY_ENTER),
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+ KEY(2, 1, KEY_6),
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+ KEY(2, 2, KEY_1),
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+ KEY(2, 3, KEY_F2),
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+ KEY(2, 4, KEY_F6),
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+ KEY(2, 5, KEY_HOME),
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+ KEY(3, 0, KEY_8),
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+ KEY(3, 1, KEY_5),
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+ KEY(3, 2, KEY_F12),
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+ KEY(3, 3, KEY_F3),
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+ KEY(3, 4, KEY_F8),
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+ KEY(3, 5, KEY_END),
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+ KEY(4, 0, KEY_7),
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+ KEY(4, 1, KEY_4),
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+ KEY(4, 2, KEY_F11),
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+ KEY(4, 3, KEY_F1),
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+ KEY(4, 4, KEY_F4),
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+ KEY(4, 5, KEY_ESC),
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+ KEY(5, 0, KEY_F13),
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+ KEY(5, 1, KEY_F14),
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+ KEY(5, 2, KEY_F15),
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+ KEY(5, 3, KEY_F16),
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+ KEY(5, 4, KEY_SLEEP),
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+ 0
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+};
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+
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+
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+static struct mtd_partition nor_partitions[] = {
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/* bootloader (U-Boot, etc) in first sector */
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/* bootloader (U-Boot, etc) in first sector */
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{
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{
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.name = "bootloader",
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.name = "bootloader",
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@@ -72,26 +119,80 @@ static struct mtd_partition h3_partitions[] = {
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}
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}
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};
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};
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-static struct flash_platform_data h3_flash_data = {
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+static struct flash_platform_data nor_data = {
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.map_name = "cfi_probe",
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.map_name = "cfi_probe",
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.width = 2,
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.width = 2,
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- .parts = h3_partitions,
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- .nr_parts = ARRAY_SIZE(h3_partitions),
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+ .parts = nor_partitions,
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+ .nr_parts = ARRAY_SIZE(nor_partitions),
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};
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};
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-static struct resource h3_flash_resource = {
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+static struct resource nor_resource = {
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/* This is on CS3, wherever it's mapped */
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/* This is on CS3, wherever it's mapped */
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.flags = IORESOURCE_MEM,
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.flags = IORESOURCE_MEM,
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};
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};
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-static struct platform_device flash_device = {
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+static struct platform_device nor_device = {
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.name = "omapflash",
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.name = "omapflash",
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.id = 0,
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.id = 0,
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.dev = {
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.dev = {
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- .platform_data = &h3_flash_data,
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+ .platform_data = &nor_data,
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+ },
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+ .num_resources = 1,
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+ .resource = &nor_resource,
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+};
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+
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+static struct mtd_partition nand_partitions[] = {
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+#if 0
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+ /* REVISIT: enable these partitions if you make NAND BOOT work */
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+ {
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+ .name = "xloader",
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+ .offset = 0,
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+ .size = 64 * 1024,
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+ .mask_flags = MTD_WRITEABLE, /* force read-only */
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+ },
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+ {
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+ .name = "bootloader",
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+ .offset = MTDPART_OFS_APPEND,
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+ .size = 256 * 1024,
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+ .mask_flags = MTD_WRITEABLE, /* force read-only */
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+ },
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+ {
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+ .name = "params",
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+ .offset = MTDPART_OFS_APPEND,
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+ .size = 192 * 1024,
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+ },
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+ {
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+ .name = "kernel",
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+ .offset = MTDPART_OFS_APPEND,
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+ .size = 2 * SZ_1M,
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+ },
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+#endif
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+ {
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+ .name = "filesystem",
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+ .size = MTDPART_SIZ_FULL,
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+ .offset = MTDPART_OFS_APPEND,
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+ },
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+};
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+
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+/* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
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+static struct nand_platform_data nand_data = {
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+ .options = NAND_SAMSUNG_LP_OPTIONS,
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+ .parts = nand_partitions,
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+ .nr_parts = ARRAY_SIZE(nand_partitions),
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+};
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+
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+static struct resource nand_resource = {
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+static struct platform_device nand_device = {
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+ .name = "omapnand",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = &nand_data,
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},
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},
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.num_resources = 1,
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.num_resources = 1,
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- .resource = &h3_flash_resource,
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+ .resource = &nand_resource,
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};
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};
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static struct resource smc91x_resources[] = {
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static struct resource smc91x_resources[] = {
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@@ -138,10 +239,136 @@ static struct platform_device intlat_device = {
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.resource = intlat_resources,
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.resource = intlat_resources,
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};
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};
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+static struct resource h3_kp_resources[] = {
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+ [0] = {
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+ .start = INT_KEYBOARD,
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+ .end = INT_KEYBOARD,
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+ .flags = IORESOURCE_IRQ,
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+ },
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+};
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+
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+static struct omap_kp_platform_data h3_kp_data = {
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+ .rows = 8,
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+ .cols = 8,
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+ .keymap = h3_keymap,
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+ .rep = 1,
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+};
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+
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+static struct platform_device h3_kp_device = {
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+ .name = "omap-keypad",
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+ .id = -1,
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+ .dev = {
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+ .platform_data = &h3_kp_data,
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+ },
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+ .num_resources = ARRAY_SIZE(h3_kp_resources),
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+ .resource = h3_kp_resources,
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+};
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+
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+
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+/* Select between the IrDA and aGPS module
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+ */
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+static int h3_select_irda(struct device *dev, int state)
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+{
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+ unsigned char expa;
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+ int err = 0;
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+
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+ if ((err = read_gpio_expa(&expa, 0x26))) {
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+ printk(KERN_ERR "Error reading from I/O EXPANDER \n");
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+ return err;
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+ }
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+
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+ /* 'P6' enable/disable IRDA_TX and IRDA_RX */
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+ if (state & IR_SEL) { /* IrDA */
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+ if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
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+ printk(KERN_ERR "Error writing to I/O EXPANDER \n");
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+ return err;
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+ }
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+ } else {
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+ if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
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+ printk(KERN_ERR "Error writing to I/O EXPANDER \n");
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+ return err;
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+ }
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+ }
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+ return err;
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+}
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+
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+static void set_trans_mode(void *data)
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+{
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+ int *mode = data;
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+ unsigned char expa;
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+ int err = 0;
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+
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+ if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
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+ printk(KERN_ERR "Error reading from I/O expander\n");
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+ }
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+
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+ expa &= ~0x03;
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+
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+ if (*mode & IR_SIRMODE) {
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+ expa |= 0x01;
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+ } else { /* MIR/FIR */
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+ expa |= 0x03;
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+ }
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+
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+ if ((err = write_gpio_expa(expa, 0x27)) != 0) {
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+ printk(KERN_ERR "Error writing to I/O expander\n");
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+ }
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+}
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+
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+static int h3_transceiver_mode(struct device *dev, int mode)
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+{
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+ struct omap_irda_config *irda_config = dev->platform_data;
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+
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+ cancel_delayed_work(&irda_config->gpio_expa);
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+ PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode);
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+ schedule_work(&irda_config->gpio_expa);
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+
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+ return 0;
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+}
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+
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+static struct omap_irda_config h3_irda_data = {
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+ .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
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+ .transceiver_mode = h3_transceiver_mode,
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+ .select_irda = h3_select_irda,
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+ .rx_channel = OMAP_DMA_UART3_RX,
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+ .tx_channel = OMAP_DMA_UART3_TX,
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+ .dest_start = UART3_THR,
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+ .src_start = UART3_RHR,
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+ .tx_trigger = 0,
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+ .rx_trigger = 0,
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+};
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+
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+static struct resource h3_irda_resources[] = {
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+ [0] = {
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+ .start = INT_UART3,
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+ .end = INT_UART3,
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+ .flags = IORESOURCE_IRQ,
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+ },
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+};
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+
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+static struct platform_device h3_irda_device = {
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+ .name = "omapirda",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = &h3_irda_data,
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+ },
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+ .num_resources = ARRAY_SIZE(h3_irda_resources),
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+ .resource = h3_irda_resources,
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+};
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+
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+static struct platform_device h3_lcd_device = {
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+ .name = "lcd_h3",
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+ .id = -1,
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+};
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+
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static struct platform_device *devices[] __initdata = {
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static struct platform_device *devices[] __initdata = {
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- &flash_device,
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+ &nor_device,
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+ &nand_device,
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&smc91x_device,
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&smc91x_device,
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&intlat_device,
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&intlat_device,
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+ &h3_irda_device,
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+ &h3_kp_device,
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+ &h3_lcd_device,
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};
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};
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static struct omap_usb_config h3_usb_config __initdata = {
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static struct omap_usb_config h3_usb_config __initdata = {
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@@ -171,7 +398,6 @@ static struct omap_uart_config h3_uart_config __initdata = {
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};
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};
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static struct omap_lcd_config h3_lcd_config __initdata = {
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static struct omap_lcd_config h3_lcd_config __initdata = {
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- .panel_name = "h3",
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.ctrl_name = "internal",
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.ctrl_name = "internal",
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};
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};
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@@ -182,11 +408,36 @@ static struct omap_board_config_kernel h3_config[] = {
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{ OMAP_TAG_LCD, &h3_lcd_config },
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{ OMAP_TAG_LCD, &h3_lcd_config },
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};
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};
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+#define H3_NAND_RB_GPIO_PIN 10
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+
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+static int nand_dev_ready(struct nand_platform_data *data)
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+{
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+ return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
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+}
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+
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static void __init h3_init(void)
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static void __init h3_init(void)
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{
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{
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- h3_flash_resource.end = h3_flash_resource.start = omap_cs3_phys();
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- h3_flash_resource.end += OMAP_CS3_SIZE - 1;
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- (void) platform_add_devices(devices, ARRAY_SIZE(devices));
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+ /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
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+ * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
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+ * notice whether a NAND chip is enabled at probe time.
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+ *
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+ * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
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+ * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
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+ * to avoid probing every possible flash configuration...
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+ */
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+ nor_resource.end = nor_resource.start = omap_cs3_phys();
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+ nor_resource.end += SZ_32M - 1;
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+
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+ nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
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+ nand_resource.end += SZ_4K - 1;
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|
|
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+ if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
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|
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+ nand_data.dev_ready = nand_dev_ready;
|
|
|
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+
|
|
|
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+ /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
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|
|
|
+ /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
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|
|
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+ omap_cfg_reg(V2_1710_GPIO10);
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|
|
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+
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|
|
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+ platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
omap_board_config = h3_config;
|
|
omap_board_config = h3_config;
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|
omap_board_config_size = ARRAY_SIZE(h3_config);
|
|
omap_board_config_size = ARRAY_SIZE(h3_config);
|
|
omap_serial_init();
|
|
omap_serial_init();
|