/*
   * 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/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 <linux/omap-dma.h>
  #include <mach/tc.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,
  };
  
  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_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
  ");
  		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,
  
  #if IS_ENABLED(CONFIG_USB_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;
  	BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
  	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 <imre.deak@nokia.com> */
  	.atag_offset	= 0x100,
  	.map_io		= omap16xx_map_io,
  	.init_early     = omap1_init_early,
  	.init_irq	= omap1_init_irq,
  	.init_machine	= h2_init,
  	.init_late	= omap1_init_late,
  	.init_time	= omap1_timer_init,
  	.restart	= omap1_restart,
  MACHINE_END