/*
 * sysmocom sysmobts v1 board support.
 *
 * Copyright (C) 2012 sysmocom s.f.m.c GmbH
 * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
 *
 * Based on SFF-SDR platform, original copyright follows:
 
 * Lyrtech SFFSDR board support.
 *
 * Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
 * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
 *
 * Based on DV-EVM platform, original copyright follows:
 *
 * Copyright (C) 2007 MontaVista Software, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/leds.h>

#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/etherdevice.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/io.h>
#include <linux/dspdl.h>
#include <linux/fpgadl.h>

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

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>

#include <mach/hardware.h>
#include <mach/dm644x.h>
#include <mach/common.h>
#include <mach/i2c.h>
#include <mach/serial.h>
#include <mach/psc.h>
#include <mach/mux.h>
#include <mach/nand.h>

#define SYSMOBTS_V1_PHY_ID		"0:01"
#define SYSMOBTS_V1_PHY_MASK	(0x2)

#define DAVINCI_ASYNC_EMIF_CONTROL_BASE   	0x01e00000
#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE  	0x02000000

#define DAVINCI_DSP_L1D_EMIF_BASE  			0x11F04000
#define DAVINCI_DSP_L1D_EMIF_SIZE  			0x00014000
#define DAVINCI_DSP_L1P_EMIF_BASE  			0x11E08000
#define DAVINCI_DSP_L1P_EMIF_SIZE  			0x00008000
#define DAVINCI_DSP_L2_EMIF_BASE  			0x11800000
#define DAVINCI_DSP_L2_EMIF_SIZE  			0x00010000
#define DAVINCI_DSP_DDR_EMIF_BASE  			0x87800000
#define DAVINCI_DSP_DDR_EMIF_SIZE  			0x00800000

#define SYSMOBTS_V1_GPIO_LED_DS6		GPIO(29)
#define SYSMOBTS_V1_GPIO_LED_DS7		GPIO(31)
#define SYSMOBTS_V1_FPGA_GPIO_BUSY		GPIO(45)
#define SYSMOBTS_V1_FPGA_GPIO_DONE		GPIO(46)
#define SYSMOBTS_V1_FPGA_GPIO_INIT_B	GPIO(50)
#define SYSMOBTS_V1_FPGA_GPIO_PROG_B	GPIO(51)

#define SYSMOBTS_V1_FPGA_SELECTMAP_BASE	0x04000000

#define FPGA_MEM_BASE	(0x04000000)
#define FPGA_MEM_SIZE	(0x02000000)

struct mtd_partition sysmobts_v1_nandflash_partition[] = {
	/* U-Boot Environment: Block 0
	 * UBL:                Block 1
	 * U-Boot:             Blocks 6-7 (256 kb)
	 * Kernel:             Blocks 8-31 (3 Mb)
	 * Linux Root:         Blocks 32-287 (32 Mb)
	 * User Storage:       Blocks 288-END
	 */
	{
		.name		= "U-Boot Environment",
		.offset		= 0,
		.size		= SZ_128K,
		.mask_flags	= MTD_WRITEABLE, /* force read-only */
	},
	{
		.name		= "UBL",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 5 * SZ_128K,
		.mask_flags	= 0,
	},
	{
		.name		= "U-Boot",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 2 * SZ_128K,
		.mask_flags	= 0,
	},
	{
		.name		= "Kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 3 * SZ_1M,
		.mask_flags	= 0
	},
	{
		.name		= "RootFs",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 32 * SZ_1M,
		.mask_flags	= 0
	},
	{
		.name		= "Storage",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
		.mask_flags	= 0
	}
};

static struct davinci_nand_pdata sysmobts_v1_nandflash_data = {
	.parts		= sysmobts_v1_nandflash_partition,
	.nr_parts	= ARRAY_SIZE(sysmobts_v1_nandflash_partition),
	.ecc_mode	= NAND_ECC_HW,
	.bbt_options	= NAND_BBT_USE_FLASH,
};

static struct resource sysmobts_v1_nandflash_resource[] = {
	{
		.start		= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
		.end		= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + 0x1F,
		.flags		= IORESOURCE_MEM,
	}, {
		.start		= DAVINCI_ASYNC_EMIF_CONTROL_BASE,
		.end		= DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device sysmobts_v1_nandflash_device = {
	.name		= "davinci_nand", /* Name of driver */
	.id		= 0,
	.dev		= {
		.platform_data	= &sysmobts_v1_nandflash_data,
	},
	.num_resources	= ARRAY_SIZE(sysmobts_v1_nandflash_resource),
	.resource	= sysmobts_v1_nandflash_resource,
};

static struct at24_platform_data eeprom_info = {
	.byte_len	= (64*1024) / 8,
	.page_size	= 32,
	.flags		= AT24_FLAG_ADDR16,
	.setup          = davinci_get_mac_addr,
	.context	= (void *)0x7f00,
};

static struct i2c_board_info __initdata i2c_info[] =  {
	{
		/* Ethernet EEPROM */
		I2C_BOARD_INFO("24c64", 0x50),
		.platform_data	= &eeprom_info,
	},
	{
		/* Power Management IC */
		I2C_BOARD_INFO("tps65023", 0x48),
	},
	{
		/* Temperature Sensor (BBP) */
		I2C_BOARD_INFO("tmp411", 0x4D),
	},
	{
		/* Temperature Sensor (RF) */
		I2C_BOARD_INFO("lm75a", 0x49),
	},
	{
		/* Fan speed controler */
		I2C_BOARD_INFO("ltc1695", 0x74),
	},
};

static struct davinci_i2c_platform_data i2c_pdata = {
	.bus_freq	= 100 	/* kHz */,
	.bus_delay	= 0 	/* usec */,
};

static void __init sysmobts_v1_init_i2c(void)
{
	davinci_init_i2c(&i2c_pdata);
	i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
}

static struct fpgadl_pdata_t sysmobts_v1_fpgadl_pdata = {
	.bitstream_max_size	= 0x200000,
	.program_b		= SYSMOBTS_V1_FPGA_GPIO_PROG_B,
	.done			= SYSMOBTS_V1_FPGA_GPIO_DONE,
	.busy			= SYSMOBTS_V1_FPGA_GPIO_BUSY,
	.init_b			= SYSMOBTS_V1_FPGA_GPIO_INIT_B,
};

static struct resource sysmobts_v1_fpgadl_resources[] = {
	{
		.name		= "selectmap",
		.start		= SYSMOBTS_V1_FPGA_SELECTMAP_BASE,
		.end		= SYSMOBTS_V1_FPGA_SELECTMAP_BASE + 4 - 1,
		.flags		= IORESOURCE_MEM,
	}
};

static struct platform_device sysmobts_v1_fpgadl_device = {
	.name		= "fpgadl_par",
	.id		= 0,
	.dev		= {
		.platform_data = &sysmobts_v1_fpgadl_pdata,
	},
	.num_resources	= ARRAY_SIZE(sysmobts_v1_fpgadl_resources),
	.resource 	= sysmobts_v1_fpgadl_resources, 
};

static struct resource sysmobts_v1_dspdl_resources[] = {
	{
		.name		= "l1d",
		.start		= DAVINCI_DSP_L1D_EMIF_BASE,
		.end		= DAVINCI_DSP_L1D_EMIF_BASE + DAVINCI_DSP_L1D_EMIF_SIZE - 1,
		.flags		= IORESOURCE_MEM,
	},
	{
		.name		= "l1p",
		.start		= DAVINCI_DSP_L1P_EMIF_BASE,
		.end		= DAVINCI_DSP_L1P_EMIF_BASE + DAVINCI_DSP_L1P_EMIF_SIZE - 1,
		.flags		= IORESOURCE_MEM,
	},
	{
		.name		= "l2",
		.start		= DAVINCI_DSP_L2_EMIF_BASE,
		.end		= DAVINCI_DSP_L2_EMIF_BASE + DAVINCI_DSP_L2_EMIF_SIZE - 1,
		.flags		= IORESOURCE_MEM,
	},
	{
		.name		= "ddr",
		.start		= DAVINCI_DSP_DDR_EMIF_BASE,
		.end		= DAVINCI_DSP_DDR_EMIF_BASE + DAVINCI_DSP_DDR_EMIF_SIZE - 1,
		.flags		= IORESOURCE_MEM,
	}
};

static struct platform_device sysmobts_v1_dspdl_device = {
	.name		= "dspdl_dm644x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(sysmobts_v1_dspdl_resources),
	.resource 	= sysmobts_v1_dspdl_resources, 
};

static struct gpio_led sysmobts_v1_gpio_leds[] = {
	{
		.name			= "activity_led",
		.gpio			= SYSMOBTS_V1_GPIO_LED_DS6,
	},
	{
		.name			= "online_led",
		.gpio			= SYSMOBTS_V1_GPIO_LED_DS7,
	},
};

static struct gpio_led_platform_data sysmobts_v1_gpio_leds_info = {
	.leds		= sysmobts_v1_gpio_leds,
	.num_leds	= ARRAY_SIZE(sysmobts_v1_gpio_leds),
};

static struct platform_device sysmobts_v1_led_device = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data = &sysmobts_v1_gpio_leds_info,
	},
};

static struct platform_device *sysmobts_v1_devices[] __initdata = {
	&sysmobts_v1_led_device,
	&sysmobts_v1_fpgadl_device,
	&sysmobts_v1_dspdl_device,
	&sysmobts_v1_nandflash_device,
};

static struct snd_platform_data sysmobts_v1_snd_data;

static struct davinci_uart_config uart_config __initdata = {
	.enabled_uarts = (1 << 0) | (1 << 1),
};

static void __init sysmobts_v1_map_io(void)
{
	dm644x_init();
}

static __init void sysmobts_v1_init(void)
{
	struct davinci_soc_info *soc_info = &davinci_soc_info;

	platform_add_devices(sysmobts_v1_devices, ARRAY_SIZE(sysmobts_v1_devices));
	sysmobts_v1_init_i2c();
	davinci_serial_init(&uart_config);
	dm644x_init_asp(&sysmobts_v1_snd_data);
	soc_info->emac_pdata->phy_id = SYSMOBTS_V1_PHY_ID;
}

MACHINE_START(SYSMOBTS_V1, "sysmocom s.f.m.c. sysmobts v1")
	.atag_offset  = 0x100,
	.map_io	      = sysmobts_v1_map_io,
	.init_irq     = davinci_irq_init,
	.timer	      = &davinci_timer,
	.init_machine = sysmobts_v1_init,
	.dma_zone_size	= SZ_128M,
MACHINE_END