board-h2.c

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/*
 * linux/arch/arm/mach-omap1/board-h2.c
 *
 * Board specific inits for OMAP-1610 H2
 *
 * Copyright (C) 2001 RidgeRun, Inc.
 * Author: Greg Lonnon <[email protected]>
 *
 * Copyright (C) 2002 MontaVista Software, Inc.
 *
 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <[email protected]>
 *
 * H2 specific changes and cleanup
 * Copyright (C) 2004 Nokia Corporation by Imre Deak <[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/kernel.h>
#include <linux/platform_device.h>
#include <linux/delay.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/i2c/tps65010.h>
#include <linux/smc91x.h>
#include <linux/omapfb.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/leds.h>

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

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

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

#include "common.h"
#include "board-h2.h"

/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
#define OMAP1610_ETHR_START     0x04000300

static const unsigned int h2_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 h2_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 h2_nor_data = {
    .width      = 2,
    .set_vpp    = omap1_set_vpp,
    .parts      = h2_nor_partitions,
    .nr_parts   = ARRAY_SIZE(h2_nor_partitions),
};

static struct resource h2_nor_resource = {
    /* This is on CS3, wherever it's mapped */
    .flags      = IORESOURCE_MEM,
};

static struct platform_device h2_nor_device = {
    .name       = "physmap-flash",
    .id     = 0,
    .dev        = {
        .platform_data  = &h2_nor_data,
    },
    .num_resources  = 1,
    .resource   = &h2_nor_resource,
};

static struct mtd_partition h2_nand_partitions[] = {
#if 0
    /* REVISIT:  enable these partitions if you make NAND BOOT
     * work on your H2 (rev C or newer); published versions of
     * x-load only support P2 and H3.
     */
    {
        .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 H2_NAND_RB_GPIO_PIN 62

static int h2_nand_dev_ready(struct mtd_info *mtd)
{
    return gpio_get_value(H2_NAND_RB_GPIO_PIN);
}

static struct platform_nand_data h2_nand_platdata = {
    .chip   = {
        .nr_chips       = 1,
        .chip_offset        = 0,
        .nr_partitions      = ARRAY_SIZE(h2_nand_partitions),
        .partitions     = h2_nand_partitions,
        .options        = NAND_SAMSUNG_LP_OPTIONS,
    },
    .ctrl   = {
        .cmd_ctrl   = omap1_nand_cmd_ctl,
        .dev_ready  = h2_nand_dev_ready,
    },
};

static struct resource h2_nand_resource = {
    .flags      = IORESOURCE_MEM,
};

static struct platform_device h2_nand_device = {
    .name       = "gen_nand",
    .id     = 0,
    .dev        = {
        .platform_data  = &h2_nand_platdata,
    },
    .num_resources  = 1,
    .resource   = &h2_nand_resource,
};

static struct smc91x_platdata h2_smc91x_info = {
    .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
    .leda   = RPC_LED_100_10,
    .ledb   = RPC_LED_TX_RX,
};

static struct resource h2_smc91x_resources[] = {
    [0] = {
        .start  = OMAP1610_ETHR_START,      /* Physical */
        .end    = OMAP1610_ETHR_START + 0xf,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
    },
};

static struct platform_device h2_smc91x_device = {
    .name       = "smc91x",
    .id     = 0,
    .dev    = {
        .platform_data  = &h2_smc91x_info,
    },
    .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
    .resource   = h2_smc91x_resources,
};

static struct resource h2_kp_resources[] = {
    [0] = {
        .start  = INT_KEYBOARD,
        .end    = INT_KEYBOARD,
        .flags  = IORESOURCE_IRQ,
    },
};

static const struct matrix_keymap_data h2_keymap_data = {
    .keymap     = h2_keymap,
    .keymap_size    = ARRAY_SIZE(h2_keymap),
};

static struct omap_kp_platform_data h2_kp_data = {
    .rows       = 8,
    .cols       = 8,
    .keymap_data    = &h2_keymap_data,
    .rep        = true,
    .delay      = 9,
    .dbounce    = true,
};

static struct platform_device h2_kp_device = {
    .name       = "omap-keypad",
    .id     = -1,
    .dev        = {
        .platform_data = &h2_kp_data,
    },
    .num_resources  = ARRAY_SIZE(h2_kp_resources),
    .resource   = h2_kp_resources,
};

#define H2_IRDA_FIRSEL_GPIO_PIN 17

static struct omap_irda_config h2_irda_data = {
    .transceiver_cap    = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
    .rx_channel     = OMAP_DMA_UART3_RX,
    .tx_channel     = OMAP_DMA_UART3_TX,
    .dest_start     = UART3_THR,
    .src_start      = UART3_RHR,
    .tx_trigger     = 0,
    .rx_trigger     = 0,
};

static struct resource h2_irda_resources[] = {
    [0] = {
        .start  = INT_UART3,
        .end    = INT_UART3,
        .flags  = IORESOURCE_IRQ,
    },
};

static u64 irda_dmamask = 0xffffffff;

static struct platform_device h2_irda_device = {
    .name       = "omapirda",
    .id     = 0,
    .dev        = {
        .platform_data  = &h2_irda_data,
        .dma_mask   = &irda_dmamask,
    },
    .num_resources  = ARRAY_SIZE(h2_irda_resources),
    .resource   = h2_irda_resources,
};

static struct gpio_led h2_gpio_led_pins[] = {
    {
        .name       = "h2:red",
        .default_trigger = "heartbeat",
        .gpio       = 3,
    },
    {
        .name       = "h2:green",
        .default_trigger = "cpu0",
        .gpio       = OMAP_MPUIO(4),
    },
};

static struct gpio_led_platform_data h2_gpio_led_data = {
    .leds       = h2_gpio_led_pins,
    .num_leds   = ARRAY_SIZE(h2_gpio_led_pins),
};

static struct platform_device h2_gpio_leds = {
    .name   = "leds-gpio",
    .id = -1,
    .dev    = {
        .platform_data = &h2_gpio_led_data,
    },
};

static struct platform_device *h2_devices[] __initdata = {
    &h2_nor_device,
    &h2_nand_device,
    &h2_smc91x_device,
    &h2_irda_device,
    &h2_kp_device,
    &h2_gpio_leds,
};

static void __init h2_init_smc91x(void)
{
    if (gpio_request(0, "SMC91x irq") < 0) {
        printk("Error requesting gpio 0 for smc91x irq\n");
        return;
    }
}

static int tps_setup(struct i2c_client *client, void *context)
{
    tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
                TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);

    return 0;
}

static struct tps65010_board tps_board = {
    .base       = H2_TPS_GPIO_BASE,
    .outmask    = 0x0f,
    .setup      = tps_setup,
};

static struct i2c_board_info __initdata h2_i2c_board_info[] = {
    {
        I2C_BOARD_INFO("tps65010", 0x48),
        .platform_data  = &tps_board,
    }, {
        I2C_BOARD_INFO("isp1301_omap", 0x2d),
    },
};

static struct omap_usb_config h2_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 */
    /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
#elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
    /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
    .hmc_mode   = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
#endif

    .pins[1]    = 3,
};

static struct omap_lcd_config h2_lcd_config __initdata = {
    .ctrl_name  = "internal",
};

static void __init h2_init(void)
{
    h2_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.
     *
     * FIXME revC boards (and 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...
     */
    h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
    h2_nor_resource.end += SZ_32M - 1;

    h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
    h2_nand_resource.end += SZ_4K - 1;
    if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
        BUG();
    gpio_direction_input(H2_NAND_RB_GPIO_PIN);

    omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
    omap_cfg_reg(M8_1610_FLASH_CS2B_WE);

    /* MMC:  card detect and WP */
    /* omap_cfg_reg(U19_ARMIO1); */     /* CD */
    omap_cfg_reg(BALLOUT_V8_ARMIO3);    /* WP */

    /* 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);

    h2_smc91x_resources[1].start = gpio_to_irq(0);
    h2_smc91x_resources[1].end = gpio_to_irq(0);
    platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
    omap_serial_init();
    h2_i2c_board_info[0].irq = gpio_to_irq(58);
    h2_i2c_board_info[1].irq = gpio_to_irq(2);
    omap_register_i2c_bus(1, 100, h2_i2c_board_info,
                  ARRAY_SIZE(h2_i2c_board_info));
    omap1_usb_init(&h2_usb_config);
    h2_mmc_init();

    omapfb_set_lcd_config(&h2_lcd_config);
}

MACHINE_START(OMAP_H2, "TI-H2")
    /* Maintainer: Imre Deak <[email protected]> */
    .atag_offset    = 0x100,
    .map_io     = omap16xx_map_io,
    .init_early     = omap1_init_early,
    .reserve    = omap_reserve,
    .init_irq   = omap1_init_irq,
    .init_machine   = h2_init,
    .init_late  = omap1_init_late,
    .timer      = &omap1_timer,
    .restart    = omap1_restart,
MACHINE_END