board-h3.c

Go to the documentation of this file.

/*
 * linux/arch/arm/mach-omap1/board-h3.c
 *
 * This file contains OMAP1710 H3 specific code.
 *
 * Copyright (C) 2004 Texas Instruments, Inc.
 * Copyright (C) 2002 MontaVista Software, Inc.
 * Copyright (C) 2001 RidgeRun, Inc.
 * Author: RidgeRun, Inc.
 *         Greg Lonnon ([email protected]) or [email protected]
 *
 * 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/gpio.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/major.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/errno.h>
#include <linux/workqueue.h>
#include <linux/i2c.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/input.h>
#include <linux/spi/spi.h>
#include <linux/i2c/tps65010.h>
#include <linux/smc91x.h>
#include <linux/omapfb.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/leds.h>

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

#include <mach/mux.h>
#include <plat/tc.h>
#include <linux/platform_data/keypad-omap.h>
#include <plat/dma.h>
#include <mach/flash.h>

#include <mach/hardware.h>
#include <mach/irqs.h>
#include <mach/usb.h>

#include "common.h"
#include "board-h3.h"

/* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
#define OMAP1710_ETHR_START     0x04000300

#define H3_TS_GPIO  48

static const unsigned int h3_keymap[] = {
    KEY(0, 0, KEY_LEFT),
    KEY(1, 0, KEY_RIGHT),
    KEY(2, 0, KEY_3),
    KEY(3, 0, KEY_F10),
    KEY(4, 0, KEY_F5),
    KEY(5, 0, KEY_9),
    KEY(0, 1, KEY_DOWN),
    KEY(1, 1, KEY_UP),
    KEY(2, 1, KEY_2),
    KEY(3, 1, KEY_F9),
    KEY(4, 1, KEY_F7),
    KEY(5, 1, KEY_0),
    KEY(0, 2, KEY_ENTER),
    KEY(1, 2, KEY_6),
    KEY(2, 2, KEY_1),
    KEY(3, 2, KEY_F2),
    KEY(4, 2, KEY_F6),
    KEY(5, 2, KEY_HOME),
    KEY(0, 3, KEY_8),
    KEY(1, 3, KEY_5),
    KEY(2, 3, KEY_F12),
    KEY(3, 3, KEY_F3),
    KEY(4, 3, KEY_F8),
    KEY(5, 3, KEY_END),
    KEY(0, 4, KEY_7),
    KEY(1, 4, KEY_4),
    KEY(2, 4, KEY_F11),
    KEY(3, 4, KEY_F1),
    KEY(4, 4, KEY_F4),
    KEY(5, 4, KEY_ESC),
    KEY(0, 5, KEY_F13),
    KEY(1, 5, KEY_F14),
    KEY(2, 5, KEY_F15),
    KEY(3, 5, KEY_F16),
    KEY(4, 5, KEY_SLEEP),
};


static struct mtd_partition nor_partitions[] = {
    /* bootloader (U-Boot, etc) in first sector */
    {
          .name     = "bootloader",
          .offset       = 0,
          .size     = SZ_128K,
          .mask_flags   = MTD_WRITEABLE, /* force read-only */
    },
    /* bootloader params in the next sector */
    {
          .name     = "params",
          .offset       = MTDPART_OFS_APPEND,
          .size     = SZ_128K,
          .mask_flags   = 0,
    },
    /* kernel */
    {
          .name     = "kernel",
          .offset       = MTDPART_OFS_APPEND,
          .size     = SZ_2M,
          .mask_flags   = 0
    },
    /* file system */
    {
          .name     = "filesystem",
          .offset       = MTDPART_OFS_APPEND,
          .size     = MTDPART_SIZ_FULL,
          .mask_flags   = 0
    }
};

static struct physmap_flash_data nor_data = {
    .width      = 2,
    .set_vpp    = omap1_set_vpp,
    .parts      = nor_partitions,
    .nr_parts   = ARRAY_SIZE(nor_partitions),
};

static struct resource nor_resource = {
    /* This is on CS3, wherever it's mapped */
    .flags      = IORESOURCE_MEM,
};

static struct platform_device nor_device = {
    .name       = "physmap-flash",
    .id     = 0,
    .dev        = {
        .platform_data  = &nor_data,
    },
    .num_resources  = 1,
    .resource   = &nor_resource,
};

static struct mtd_partition nand_partitions[] = {
#if 0
    /* REVISIT: enable these partitions if you make NAND BOOT work */
    {
        .name       = "xloader",
        .offset     = 0,
        .size       = 64 * 1024,
        .mask_flags = MTD_WRITEABLE,    /* force read-only */
    },
    {
        .name       = "bootloader",
        .offset     = MTDPART_OFS_APPEND,
        .size       = 256 * 1024,
        .mask_flags = MTD_WRITEABLE,    /* force read-only */
    },
    {
        .name       = "params",
        .offset     = MTDPART_OFS_APPEND,
        .size       = 192 * 1024,
    },
    {
        .name       = "kernel",
        .offset     = MTDPART_OFS_APPEND,
        .size       = 2 * SZ_1M,
    },
#endif
    {
        .name       = "filesystem",
        .size       = MTDPART_SIZ_FULL,
        .offset     = MTDPART_OFS_APPEND,
    },
};

#define H3_NAND_RB_GPIO_PIN 10

static int nand_dev_ready(struct mtd_info *mtd)
{
    return gpio_get_value(H3_NAND_RB_GPIO_PIN);
}

static struct platform_nand_data nand_platdata = {
    .chip   = {
        .nr_chips       = 1,
        .chip_offset        = 0,
        .nr_partitions      = ARRAY_SIZE(nand_partitions),
        .partitions     = nand_partitions,
        .options        = NAND_SAMSUNG_LP_OPTIONS,
    },
    .ctrl   = {
        .cmd_ctrl   = omap1_nand_cmd_ctl,
        .dev_ready  = nand_dev_ready,

    },
};

static struct resource nand_resource = {
    .flags      = IORESOURCE_MEM,
};

static struct platform_device nand_device = {
    .name       = "gen_nand",
    .id     = 0,
    .dev        = {
        .platform_data  = &nand_platdata,
    },
    .num_resources  = 1,
    .resource   = &nand_resource,
};

static struct smc91x_platdata smc91x_info = {
    .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
    .leda   = RPC_LED_100_10,
    .ledb   = RPC_LED_TX_RX,
};

static struct resource smc91x_resources[] = {
    [0] = {
        .start  = OMAP1710_ETHR_START,      /* Physical */
        .end    = OMAP1710_ETHR_START + 0xf,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
    },
};

static struct platform_device smc91x_device = {
    .name       = "smc91x",
    .id     = 0,
    .dev    = {
        .platform_data  = &smc91x_info,
    },
    .num_resources  = ARRAY_SIZE(smc91x_resources),
    .resource   = smc91x_resources,
};

static void __init h3_init_smc91x(void)
{
    omap_cfg_reg(W15_1710_GPIO40);
    if (gpio_request(40, "SMC91x irq") < 0) {
        printk("Error requesting gpio 40 for smc91x irq\n");
        return;
    }
}

#define GPTIMER_BASE        0xFFFB1400
#define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
#define GPTIMER_REGS_SIZE   0x46

static struct resource intlat_resources[] = {
    [0] = {
        .start  = GPTIMER_REGS(0),        /* Physical */
        .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = INT_1610_GPTIMER1,
        .end    = INT_1610_GPTIMER1,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device intlat_device = {
    .name      = "omap_intlat",
    .id      = 0,
    .num_resources  = ARRAY_SIZE(intlat_resources),
    .resource       = intlat_resources,
};

static struct resource h3_kp_resources[] = {
    [0] = {
        .start  = INT_KEYBOARD,
        .end    = INT_KEYBOARD,
        .flags  = IORESOURCE_IRQ,
    },
};

static const struct matrix_keymap_data h3_keymap_data = {
    .keymap     = h3_keymap,
    .keymap_size    = ARRAY_SIZE(h3_keymap),
};

static struct omap_kp_platform_data h3_kp_data = {
    .rows       = 8,
    .cols       = 8,
    .keymap_data    = &h3_keymap_data,
    .rep        = true,
    .delay      = 9,
    .dbounce    = true,
};

static struct platform_device h3_kp_device = {
    .name       = "omap-keypad",
    .id     = -1,
    .dev        = {
        .platform_data = &h3_kp_data,
    },
    .num_resources  = ARRAY_SIZE(h3_kp_resources),
    .resource   = h3_kp_resources,
};

static struct platform_device h3_lcd_device = {
    .name       = "lcd_h3",
    .id     = -1,
};

static struct spi_board_info h3_spi_board_info[] __initdata = {
    [0] = {
        .modalias   = "tsc2101",
        .bus_num    = 2,
        .chip_select    = 0,
        .max_speed_hz   = 16000000,
        /* .platform_data   = &tsc_platform_data, */
    },
};

static struct gpio_led h3_gpio_led_pins[] = {
    {
        .name       = "h3:red",
        .default_trigger = "heartbeat",
        .gpio       = 3,
    },
    {
        .name       = "h3:green",
        .default_trigger = "cpu0",
        .gpio       = OMAP_MPUIO(4),
    },
};

static struct gpio_led_platform_data h3_gpio_led_data = {
    .leds       = h3_gpio_led_pins,
    .num_leds   = ARRAY_SIZE(h3_gpio_led_pins),
};

static struct platform_device h3_gpio_leds = {
    .name   = "leds-gpio",
    .id = -1,
    .dev    = {
        .platform_data = &h3_gpio_led_data,
    },
};

static struct platform_device *devices[] __initdata = {
    &nor_device,
    &nand_device,
        &smc91x_device,
    &intlat_device,
    &h3_kp_device,
    &h3_lcd_device,
    &h3_gpio_leds,
};

static struct omap_usb_config h3_usb_config __initdata = {
    /* usb1 has a Mini-AB port and external isp1301 transceiver */
    .otg        = 2,

#ifdef CONFIG_USB_GADGET_OMAP
    .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
#elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
    /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
    .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
#endif

    .pins[1]    = 3,
};

static struct omap_lcd_config h3_lcd_config __initdata = {
    .ctrl_name  = "internal",
};

static struct i2c_board_info __initdata h3_i2c_board_info[] = {
       {
        I2C_BOARD_INFO("tps65013", 0x48),
       },
    {
        I2C_BOARD_INFO("isp1301_omap", 0x2d),
    },
};

static void __init h3_init(void)
{
    h3_init_smc91x();

    /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
     * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
     * notice whether a NAND chip is enabled at probe time.
     *
     * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
     * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
     * to avoid probing every possible flash configuration...
     */
    nor_resource.end = nor_resource.start = omap_cs3_phys();
    nor_resource.end += SZ_32M - 1;

    nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
    nand_resource.end += SZ_4K - 1;
    if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
        BUG();
    gpio_direction_input(H3_NAND_RB_GPIO_PIN);

    /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
    /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
    omap_cfg_reg(V2_1710_GPIO10);

    /* Mux pins for keypad */
    omap_cfg_reg(F18_1610_KBC0);
    omap_cfg_reg(D20_1610_KBC1);
    omap_cfg_reg(D19_1610_KBC2);
    omap_cfg_reg(E18_1610_KBC3);
    omap_cfg_reg(C21_1610_KBC4);
    omap_cfg_reg(G18_1610_KBR0);
    omap_cfg_reg(F19_1610_KBR1);
    omap_cfg_reg(H14_1610_KBR2);
    omap_cfg_reg(E20_1610_KBR3);
    omap_cfg_reg(E19_1610_KBR4);
    omap_cfg_reg(N19_1610_KBR5);

    /* GPIO based LEDs */
    omap_cfg_reg(P18_1610_GPIO3);
    omap_cfg_reg(MPUIO4);

    smc91x_resources[1].start = gpio_to_irq(40);
    smc91x_resources[1].end = gpio_to_irq(40);
    platform_add_devices(devices, ARRAY_SIZE(devices));
    h3_spi_board_info[0].irq = gpio_to_irq(H3_TS_GPIO);
    spi_register_board_info(h3_spi_board_info,
                ARRAY_SIZE(h3_spi_board_info));
    omap_serial_init();
    h3_i2c_board_info[1].irq = gpio_to_irq(14);
    omap_register_i2c_bus(1, 100, h3_i2c_board_info,
                  ARRAY_SIZE(h3_i2c_board_info));
    omap1_usb_init(&h3_usb_config);
    h3_mmc_init();

    omapfb_set_lcd_config(&h3_lcd_config);
}

MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
    /* Maintainer: Texas Instruments, Inc. */
    .atag_offset    = 0x100,
    .map_io     = omap16xx_map_io,
    .init_early     = omap1_init_early,
    .reserve    = omap_reserve,
    .init_irq   = omap1_init_irq,
    .init_machine   = h3_init,
    .init_late  = omap1_init_late,
    .timer      = &omap1_timer,
    .restart    = omap1_restart,
MACHINE_END