board-zoom.c

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/*
 * Copyright (C) 2009-2010 Texas Instruments Inc.
 * Mikkel Christensen <[email protected]>
 * Felipe Balbi <[email protected]>
 *
 * 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 <linux/mtd/nand.h>

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

#include "common.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

#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),
    /* 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 usbhs_omap_board_data usbhs_bdata __initconst = {
    .port_mode[0]       = OMAP_USBHS_PORT_MODE_UNUSED,
    .port_mode[1]       = OMAP_EHCI_PORT_MODE_PHY,
    .port_mode[2]       = OMAP_USBHS_PORT_MODE_UNUSED,
    .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);
        usbhs_init(&usbhs_bdata);
    }

    board_nand_init(zoom_nand_partitions, ARRAY_SIZE(zoom_nand_partitions),
                        ZOOM_NAND_CS, NAND_BUSWIDTH_16);
    zoom_debugboard_init();
    zoom_peripherals_init();

    if (machine_is_omap_zoom2())
        omap_sdrc_init(mt46h32m32lf6_sdrc_params,
                      mt46h32m32lf6_sdrc_params);
    else if (machine_is_omap_zoom3())
        omap_sdrc_init(h8mbx00u0mer0em_sdrc_params,
                      h8mbx00u0mer0em_sdrc_params);

    zoom_display_init();
}

MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
    .atag_offset    = 0x100,
    .reserve    = omap_reserve,
    .map_io     = omap3_map_io,
    .init_early = omap3430_init_early,
    .init_irq   = omap3_init_irq,
    .handle_irq = omap3_intc_handle_irq,
    .init_machine   = omap_zoom_init,
    .init_late  = omap3430_init_late,
    .timer      = &omap3_timer,
    .restart    = omap_prcm_restart,
MACHINE_END

MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
    .atag_offset    = 0x100,
    .reserve    = omap_reserve,
    .map_io     = omap3_map_io,
    .init_early = omap3630_init_early,
    .init_irq   = omap3_init_irq,
    .handle_irq = omap3_intc_handle_irq,
    .init_machine   = omap_zoom_init,
    .init_late  = omap3630_init_late,
    .timer      = &omap3_timer,
    .restart    = omap_prcm_restart,
MACHINE_END