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board-zoom.c

/*
 * Copyright (C) 2009-2010 Texas Instruments Inc.
 * Mikkel Christensen <mlc@ti.com>
 * Felipe Balbi <balbi@ti.com>
 *
 * Modified from mach-omap2/board-ldp.c
 *
 * 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.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/i2c/twl.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <plat/common.h>
#include <plat/board.h>
#include <plat/usb.h>

#include <mach/board-zoom.h>

#include "board-flash.h"
#include "mux.h"
#include "sdram-micron-mt46h32m32lf-6.h"
#include "sdram-hynix-h8mbx00u0mer-0em.h"

#define ZOOM3_EHCI_RESET_GPIO       64

static void __init omap_zoom_init_irq(void)
{
      omap2_init_common_infrastructure();
      if (machine_is_omap_zoom2())
            omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
                                mt46h32m32lf6_sdrc_params);
      else if (machine_is_omap_zoom3())
            omap2_init_common_devices(h8mbx00u0mer0em_sdrc_params,
                                h8mbx00u0mer0em_sdrc_params);

      omap_init_irq();
}

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
      /* WLAN IRQ - GPIO 162 */
      OMAP3_MUX(MCBSP1_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
      /* WLAN POWER ENABLE - GPIO 101 */
      OMAP3_MUX(CAM_D2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
      /* WLAN SDIO: MMC3 CMD */
      OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE3 | OMAP_PIN_INPUT_PULLUP),
      /* WLAN SDIO: MMC3 CLK */
      OMAP3_MUX(ETK_CLK, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
      /* WLAN SDIO: MMC3 DAT[0-3] */
      OMAP3_MUX(ETK_D3, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
      OMAP3_MUX(ETK_D4, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
      OMAP3_MUX(ETK_D5, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
      OMAP3_MUX(ETK_D6, OMAP_MUX_MODE2 | OMAP_PIN_INPUT_PULLUP),
      { .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static struct mtd_partition zoom_nand_partitions[] = {
      /* All the partition sizes are listed in terms of NAND block size */
      {
            .name       = "X-Loader-NAND",
            .offset           = 0,
            .size       = 4 * (64 * 2048),      /* 512KB, 0x80000 */
            .mask_flags = MTD_WRITEABLE,  /* force read-only */
      },
      {
            .name       = "U-Boot-NAND",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
            .size       = 10 * (64 * 2048),     /* 1.25MB, 0x140000 */
            .mask_flags = MTD_WRITEABLE,  /* force read-only */
      },
      {
            .name       = "Boot Env-NAND",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
            .size       = 2 * (64 * 2048),      /* 256KB, 0x40000 */
      },
      {
            .name       = "Kernel-NAND",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x0200000*/
            .size       = 240 * (64 * 2048),    /* 30M, 0x1E00000 */
      },
      {
            .name       = "system",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x2000000 */
            .size       = 3328 * (64 * 2048),   /* 416M, 0x1A000000 */
      },
      {
            .name       = "userdata",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x1C000000*/
            .size       = 256 * (64 * 2048),    /* 32M, 0x2000000 */
      },
      {
            .name       = "cache",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x1E000000*/
            .size       = 256 * (64 * 2048),    /* 32M, 0x2000000 */
      },
};

static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
      .port_mode[0]           = EHCI_HCD_OMAP_MODE_UNKNOWN,
      .port_mode[1]           = EHCI_HCD_OMAP_MODE_PHY,
      .port_mode[2]           = EHCI_HCD_OMAP_MODE_UNKNOWN,
      .phy_reset        = true,
      .reset_gpio_port[0]     = -EINVAL,
      .reset_gpio_port[1]     = ZOOM3_EHCI_RESET_GPIO,
      .reset_gpio_port[2]     = -EINVAL,
};

static void __init omap_zoom_init(void)
{
      if (machine_is_omap_zoom2()) {
            omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
      } else if (machine_is_omap_zoom3()) {
            omap3_mux_init(board_mux, OMAP_PACKAGE_CBP);
            omap_mux_init_gpio(ZOOM3_EHCI_RESET_GPIO, OMAP_PIN_OUTPUT);
            usb_ehci_init(&ehci_pdata);
      }

      board_nand_init(zoom_nand_partitions,
                  ARRAY_SIZE(zoom_nand_partitions), ZOOM_NAND_CS);
      zoom_debugboard_init();
      zoom_peripherals_init();
      zoom_display_init();
}

MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
      .boot_params      = 0x80000100,
      .map_io           = omap3_map_io,
      .reserve    = omap_reserve,
      .init_irq   = omap_zoom_init_irq,
      .init_machine     = omap_zoom_init,
      .timer            = &omap_timer,
MACHINE_END

MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
      .boot_params      = 0x80000100,
      .map_io           = omap3_map_io,
      .reserve    = omap_reserve,
      .init_irq   = omap_zoom_init_irq,
      .init_machine     = omap_zoom_init,
      .timer            = &omap_timer,
MACHINE_END

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