/*

   * linux/arch/arm/mach-omap1/board-innovator.c

   *
   * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
   *
   * 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>
   *
   * 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/init.h>

  #include <linux/platform_device.h>

  #include <linux/delay.h>
  #include <linux/mtd/mtd.h>
  #include <linux/mtd/partitions.h>

  #include <linux/mtd/physmap.h>

  #include <linux/input.h>

  #include <linux/smc91x.h>

  #include <mach/hardware.h>

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

  #include <asm/mach/map.h>

  #include <plat/mux.h>

  #include <plat/flash.h>

  #include <plat/fpga.h>

  #include <plat/tc.h>
  #include <plat/usb.h>
  #include <plat/keypad.h>

  #include "common.h"

  #include <plat/mmc.h>

  /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  #define INNOVATOR1610_ETHR_START	0x04000300

  static const unsigned int innovator_keymap[] = {

  	KEY(0, 0, KEY_F1),

  	KEY(3, 0, KEY_DOWN),

  	KEY(1, 1, KEY_F2),

  	KEY(2, 1, KEY_RIGHT),
  	KEY(0, 2, KEY_F3),
  	KEY(1, 2, KEY_F4),

  	KEY(2, 2, KEY_UP),

  	KEY(2, 3, KEY_ENTER),

  	KEY(3, 3, KEY_LEFT),

  };

  static struct mtd_partition innovator_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
  	},
  	/* rest of flash1 is a file system */
  	{
  	      .name		= "rootfs",
  	      .offset		= MTDPART_OFS_APPEND,
  	      .size		= SZ_16M - SZ_2M - 2 * SZ_128K,
  	      .mask_flags	= 0
  	},
  	/* file system */
  	{
  	      .name		= "filesystem",
  	      .offset		= MTDPART_OFS_APPEND,
  	      .size		= MTDPART_SIZ_FULL,
  	      .mask_flags	= 0
  	}
  };

  static struct physmap_flash_data innovator_flash_data = {

  	.width		= 2,

  	.set_vpp	= omap1_set_vpp,

  	.parts		= innovator_partitions,
  	.nr_parts	= ARRAY_SIZE(innovator_partitions),
  };
  
  static struct resource innovator_flash_resource = {
  	.start		= OMAP_CS0_PHYS,
  	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
  	.flags		= IORESOURCE_MEM,
  };
  
  static struct platform_device innovator_flash_device = {

  	.name		= "physmap-flash",

  	.id		= 0,
  	.dev		= {
  		.platform_data	= &innovator_flash_data,
  	},
  	.num_resources	= 1,
  	.resource	= &innovator_flash_resource,
  };

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

  static const struct matrix_keymap_data innovator_keymap_data = {
  	.keymap		= innovator_keymap,
  	.keymap_size	= ARRAY_SIZE(innovator_keymap),
  };

  static struct omap_kp_platform_data innovator_kp_data = {

  	.rows		= 8,
  	.cols		= 8,

  	.keymap_data	= &innovator_keymap_data,

  	.delay		= 4,

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

  static struct smc91x_platdata innovator_smc91x_info = {
  	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,
  	.leda	= RPC_LED_100_10,
  	.ledb	= RPC_LED_TX_RX,
  };

  #ifdef CONFIG_ARCH_OMAP15XX

  #include <linux/spi/spi.h>
  #include <linux/spi/ads7846.h>

  /* Only FPGA needs to be mapped here. All others are done with ioremap */
  static struct map_desc innovator1510_io_desc[] __initdata = {

  	{
  		.virtual	= OMAP1510_FPGA_BASE,
  		.pfn		= __phys_to_pfn(OMAP1510_FPGA_START),
  		.length		= OMAP1510_FPGA_SIZE,
  		.type		= MT_DEVICE
  	}

  };
  
  static struct resource innovator1510_smc91x_resources[] = {
  	[0] = {
  		.start	= OMAP1510_FPGA_ETHR_START,	/* Physical */
  		.end	= OMAP1510_FPGA_ETHR_START + 0xf,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= OMAP1510_INT_ETHER,
  		.end	= OMAP1510_INT_ETHER,

  		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,

  	},
  };
  
  static struct platform_device innovator1510_smc91x_device = {
  	.name		= "smc91x",
  	.id		= 0,

  	.dev	= {
  		.platform_data	= &innovator_smc91x_info,
  	},

  	.num_resources	= ARRAY_SIZE(innovator1510_smc91x_resources),
  	.resource	= innovator1510_smc91x_resources,
  };

  static struct platform_device innovator1510_lcd_device = {
  	.name		= "lcd_inn1510",
  	.id		= -1,
  };

  static struct platform_device innovator1510_spi_device = {
  	.name		= "spi_inn1510",
  	.id		= -1,
  };

  static struct platform_device *innovator1510_devices[] __initdata = {
  	&innovator_flash_device,
  	&innovator1510_smc91x_device,

  	&innovator_kp_device,
  	&innovator1510_lcd_device,

  	&innovator1510_spi_device,

  };

  static int innovator_get_pendown_state(void)
  {
  	return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
  }
  
  static const struct ads7846_platform_data innovator1510_ts_info = {
  	.model			= 7846,
  	.vref_delay_usecs	= 100,	/* internal, no capacitor */
  	.x_plate_ohms		= 419,
  	.y_plate_ohms		= 486,
  	.get_pendown_state	= innovator_get_pendown_state,
  };
  
  static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
  	/* FPGA (bus "10") CS0 has an ads7846e */
  	.modalias		= "ads7846",
  	.platform_data		= &innovator1510_ts_info,
  	.irq			= OMAP1510_INT_FPGA_TS,
  	.max_speed_hz		= 120000 /* max sample rate at 3V */
  					* 26 /* command + data + overhead */,
  	.bus_num		= 10,
  	.chip_select		= 0,
  } };

  #endif /* CONFIG_ARCH_OMAP15XX */

  
  #ifdef CONFIG_ARCH_OMAP16XX
  
  static struct resource innovator1610_smc91x_resources[] = {
  	[0] = {
  		.start	= INNOVATOR1610_ETHR_START,		/* Physical */
  		.end	= INNOVATOR1610_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 innovator1610_smc91x_device = {
  	.name		= "smc91x",
  	.id		= 0,

  	.dev	= {
  		.platform_data	= &innovator_smc91x_info,
  	},

  	.num_resources	= ARRAY_SIZE(innovator1610_smc91x_resources),
  	.resource	= innovator1610_smc91x_resources,
  };

  static struct platform_device innovator1610_lcd_device = {
  	.name		= "inn1610_lcd",
  	.id		= -1,
  };

  static struct platform_device *innovator1610_devices[] __initdata = {
  	&innovator_flash_device,
  	&innovator1610_smc91x_device,

  	&innovator_kp_device,
  	&innovator1610_lcd_device,

  };
  
  #endif /* CONFIG_ARCH_OMAP16XX */
  
  static void __init innovator_init_smc91x(void)
  {
  	if (cpu_is_omap1510()) {
  		fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
  			   OMAP1510_FPGA_RST);
  		udelay(750);
  	} else {

  		if (gpio_request(0, "SMC91x irq") < 0) {

  			printk("Error requesting gpio 0 for smc91x irq
  ");
  			return;
  		}

  	}
  }

  #ifdef CONFIG_ARCH_OMAP15XX

  static struct omap_usb_config innovator1510_usb_config __initdata = {
  	/* for bundled non-standard host and peripheral cables */
  	.hmc_mode	= 4,
  
  	.register_host	= 1,
  	.pins[1]	= 6,
  	.pins[2]	= 6,		/* Conflicts with UART2 */
  
  	.register_dev	= 1,
  	.pins[0]	= 2,
  };

  
  static struct omap_lcd_config innovator1510_lcd_config __initdata = {

  	.ctrl_name	= "internal",
  };

  #endif
  
  #ifdef CONFIG_ARCH_OMAP16XX
  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)
  	/* 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 innovator1610_lcd_config __initdata = {

  	.ctrl_name	= "internal",
  };

  #endif

  #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
  
  static int mmc_set_power(struct device *dev, int slot, int power_on,
  				int vdd)
  {
  	if (power_on)
  		fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
  				OMAP1510_FPGA_POWER);
  	else
  		fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
  				OMAP1510_FPGA_POWER);
  
  	return 0;
  }
  
  /*
   * Innovator could use the following functions tested:
   * - mmc_get_wp that uses OMAP_MPUIO(3)
   * - mmc_get_cover_state that uses FPGA F4 UIO43
   */
  static struct omap_mmc_platform_data mmc1_data = {
  	.nr_slots                       = 1,
  	.slots[0]       = {
  		.set_power		= mmc_set_power,

  		.wires			= 4,

  		.name                   = "mmcblk",

  	},
  };

  static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];

  static void __init innovator_mmc_init(void)

  {
  	mmc_data[0] = &mmc1_data;
  	omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
  }
  
  #else
  static inline void innovator_mmc_init(void)
  {
  }
  #endif

  static struct omap_board_config_kernel innovator_config[] = {

  	{ OMAP_TAG_LCD,		NULL },

  };
  
  static void __init innovator_init(void)
  {

  	if (cpu_is_omap1510())
  		omap1510_fpga_init_irq();

  	innovator_init_smc91x();

  #ifdef CONFIG_ARCH_OMAP15XX

  	if (cpu_is_omap1510()) {

  		unsigned char reg;
  
  		/* mux pins for uarts */
  		omap_cfg_reg(UART1_TX);
  		omap_cfg_reg(UART1_RTS);
  		omap_cfg_reg(UART2_TX);
  		omap_cfg_reg(UART2_RTS);
  		omap_cfg_reg(UART3_TX);
  		omap_cfg_reg(UART3_RX);
  
  		reg = fpga_read(OMAP1510_FPGA_POWER);
  		reg |= OMAP1510_FPGA_PCR_COM1_EN;
  		fpga_write(reg, OMAP1510_FPGA_POWER);
  		udelay(10);
  
  		reg = fpga_read(OMAP1510_FPGA_POWER);
  		reg |= OMAP1510_FPGA_PCR_COM2_EN;
  		fpga_write(reg, OMAP1510_FPGA_POWER);
  		udelay(10);

  		platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));

  		spi_register_board_info(innovator1510_boardinfo,
  				ARRAY_SIZE(innovator1510_boardinfo));

  	}
  #endif
  #ifdef CONFIG_ARCH_OMAP16XX
  	if (!cpu_is_omap1510()) {
  		platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
  	}
  #endif

  #ifdef CONFIG_ARCH_OMAP15XX
  	if (cpu_is_omap1510()) {

  		omap1_usb_init(&innovator1510_usb_config);

  		innovator_config[1].data = &innovator1510_lcd_config;
  	}

  #endif
  #ifdef CONFIG_ARCH_OMAP16XX

  	if (cpu_is_omap1610()) {

  		omap1_usb_init(&h2_usb_config);

  		innovator_config[1].data = &innovator1610_lcd_config;
  	}

  #endif
  	omap_board_config = innovator_config;
  	omap_board_config_size = ARRAY_SIZE(innovator_config);

  	omap_serial_init();

  	omap_register_i2c_bus(1, 100, NULL, 0);

  	innovator_mmc_init();

  }

  /*
   * REVISIT: Assume 15xx for now, we don't want to do revision check
   * until later on. The right way to fix this is to set up a different
   * machine_id for 16xx Innovator, or use device tree.
   */

  static void __init innovator_map_io(void)
  {

  	omap15xx_map_io();

  	iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
  	udelay(10);	/* Delay needed for FPGA */
  
  	/* Dump the Innovator FPGA rev early - useful info for support. */
  	pr_debug("Innovator FPGA Rev %d.%d Board Rev %d
  ",
  			fpga_read(OMAP1510_FPGA_REV_HIGH),
  			fpga_read(OMAP1510_FPGA_REV_LOW),
  			fpga_read(OMAP1510_FPGA_BOARD_REV));

  }
  
  MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")

  	/* Maintainer: MontaVista Software, Inc. */

  	.atag_offset	= 0x100,

  	.map_io		= innovator_map_io,

  	.init_early     = omap1_init_early,

  	.reserve	= omap_reserve,

  	.init_irq	= omap1_init_irq,

  	.init_machine	= innovator_init,

  	.timer		= &omap1_timer,

  	.restart	= omap1_restart,

  MACHINE_END