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board-h2.c

/*
 * linux/arch/arm/mach-omap1/board-h2.c
 *
 * Board specific inits for OMAP-1610 H2
 *
 * Copyright (C) 2001 RidgeRun, Inc.
 * Author: Greg Lonnon <glonnon@ridgerun.com>
 *
 * 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 <tony@atomide.com>
 *
 * H2 specific changes and cleanup
 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
 *
 * 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/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 <mach/hardware.h>
#include <asm/gpio.h>

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

#include <plat/mux.h>
#include <plat/dma.h>
#include <plat/tc.h>
#include <plat/irda.h>
#include <plat/usb.h>
#include <plat/keypad.h>
#include <plat/common.h>
#include <plat/flash.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,
      },
};

static void h2_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
      struct nand_chip *this = mtd->priv;
      unsigned long mask;

      if (cmd == NAND_CMD_NONE)
            return;

      mask = (ctrl & NAND_CLE) ? 0x02 : 0;
      if (ctrl & NAND_ALE)
            mask |= 0x04;
      writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
}

#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 const char *h2_part_probes[] = { "cmdlinepart", NULL };

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,
            .part_probe_types = h2_part_probes,
      },
      .ctrl = {
            .cmd_ctrl   = h2_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] = {
            .start      = OMAP_GPIO_IRQ(0),
            .end  = OMAP_GPIO_IRQ(0),
            .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 platform_device h2_lcd_device = {
      .name       = "lcd_h2",
      .id         = -1,
};

static struct platform_device *h2_devices[] __initdata = {
      &h2_nor_device,
      &h2_nand_device,
      &h2_smc91x_device,
      &h2_irda_device,
      &h2_kp_device,
      &h2_lcd_device,
};

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),
            .irq            = OMAP_GPIO_IRQ(58),
            .platform_data    = &tps_board,
      }, {
            I2C_BOARD_INFO("isp1301_omap", 0x2d),
            .irq        = OMAP_GPIO_IRQ(2),
      },
};

static void __init h2_init_irq(void)
{
      omap1_init_common_hw();
      omap_init_irq();
}

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 struct omap_board_config_kernel h2_config[] __initdata = {
      { OMAP_TAG_LCD,         &h2_lcd_config },
};

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);

      platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
      omap_board_config = h2_config;
      omap_board_config_size = ARRAY_SIZE(h2_config);
      omap_serial_init();
      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();
}

static void __init h2_map_io(void)
{
      omap1_map_common_io();
}

MACHINE_START(OMAP_H2, "TI-H2")
      /* Maintainer: Imre Deak <imre.deak@nokia.com> */
      .boot_params      = 0x10000100,
      .map_io           = h2_map_io,
      .reserve    = omap_reserve,
      .init_irq   = h2_init_irq,
      .init_machine     = h2_init,
      .timer            = &omap_timer,
MACHINE_END

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