--- /dev/null
+/*
+ * board-omap3pandora.c (Pandora Handheld Console)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#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>
+
+#include <linux/spi/spi.h>
+#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/nand.h>
+#include <mach/usb-ehci.h>
+#include <mach/usb-musb.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,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = 126,
+ .ext_clock = 0,
+ },
+ {
+ .mmc = 2,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = 127,
+ .ext_clock = 1,
+ .transceiver = true,
+ },
+ {} /* Terminator */
+};
+
+static struct omap_uart_config omap3pandora_uart_config __initdata = {
+ .enabled_uarts = (1 << 2), /* UART3 */
+};
+
+static int omap3pandora_twl_gpio_setup(struct device *dev,
+ unsigned gpio, unsigned ngpio)
+{
+ /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
+ omap3pandora_mmc[0].gpio_cd = gpio + 0;
+ omap3pandora_mmc[1].gpio_cd = gpio + 1;
+ twl4030_mmc_init(omap3pandora_mmc);
+
+ return 0;
+}
+
+static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+ .setup = omap3pandora_twl_gpio_setup,
+};
+
+static struct twl4030_usb_data omap3pandora_usb_data = {
+ .usb_mode = T2_USB_MODE_ULPI,
+};
+
+static struct twl4030_platform_data omap3pandora_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+ .gpio = &omap3pandora_gpio_data,
+ .usb = &omap3pandora_usb_data,
+};
+
+static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("tps65950", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &omap3pandora_twldata,
+ },
+};
+
+static int __init omap3pandora_i2c_init(void)
+{
+ omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
+ ARRAY_SIZE(omap3pandora_i2c_boardinfo));
+ /* i2c2 pins are not connected */
+ omap_register_i2c_bus(3, 400, NULL, 0);
+ return 0;
+}
+
+static void __init omap3pandora_init_irq(void)
+{
+ omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL,
+ NULL, NULL, NULL);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
+static void __init omap3pandora_ads7846_init(void)
+{
+ int gpio = OMAP3_PANDORA_TS_GPIO;
+ int ret;
+
+ ret = gpio_request(gpio, "ads7846_pen_down");
+ if (ret < 0) {
+ printk(KERN_ERR "Failed to request GPIO %d for "
+ "ads7846 pen down IRQ\n", gpio);
+ return;
+ }
+
+ gpio_direction_input(gpio);
+}
+
+static int ads7846_get_pendown_state(void)
+{
+ return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
+}
+
+static struct ads7846_platform_data ads7846_config = {
+ .x_max = 0x0fff,
+ .y_max = 0x0fff,
+ .x_plate_ohms = 180,
+ .pressure_max = 255,
+ .debounce_max = 10,
+ .debounce_tol = 3,
+ .debounce_rep = 1,
+ .get_pendown_state = ads7846_get_pendown_state,
+ .keep_vref_on = 1,
+};
+
+static struct omap2_mcspi_device_config ads7846_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1, /* 0: slave, 1: master */
+};
+
+static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
+ {
+ .modalias = "ads7846",
+ .bus_num = 1,
+ .chip_select = 0,
+ .max_speed_hz = 1500000,
+ .controller_data = &ads7846_mcspi_config,
+ .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
+ .platform_data = &ads7846_config,
+ }
+};
+
+static struct platform_device omap3pandora_lcd_device = {
+ .name = "pandora_lcd",
+ .id = -1,
+};
+
+static struct omap_lcd_config omap3pandora_lcd_config __initdata = {
+ .ctrl_name = "internal",
+};
+
+static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
+ { OMAP_TAG_UART, &omap3pandora_uart_config },
+ { OMAP_TAG_LCD, &omap3pandora_lcd_config },
+};
+
+static struct platform_device *omap3pandora_devices[] __initdata = {
+ &omap3pandora_lcd_device,
+};
+
+static void __init omap3pandora_init(void)
+{
+ omap3pandora_i2c_init();
+ platform_add_devices(omap3pandora_devices,
+ ARRAY_SIZE(omap3pandora_devices));
+ omap_board_config = omap3pandora_config;
+ omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
+ omap_serial_init();
+ spi_register_board_info(omap3pandora_spi_board_info,
+ ARRAY_SIZE(omap3pandora_spi_board_info));
+ usb_musb_init(NULL);
+ usb_ehci_init();
+ omap3pandora_flash_init();
+ omap3pandora_ads7846_init();
+}
+
+static void __init omap3pandora_map_io(void)
+{
+ omap2_set_globals_343x();
+ omap2_map_common_io();
+}
+
+MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = omap3pandora_map_io,
+ .init_irq = omap3pandora_init_irq,
+ .init_machine = omap3pandora_init,
+ .timer = &omap_timer,
+MACHINE_END
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