/* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#include <linux/kernel.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/bootmem.h>
#include <linux/io.h>
#include <linux/smsc911x.h>

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

#include <mach/gpio.h>
#include <mach/board.h>
#include <mach/camera.h>
#include <mach/memory.h>
#include <mach/msm_iomap.h>
#include <mach/msm_hsusb.h>
#include <mach/dma.h>

#include <mach/vreg.h>

#include "devices.h"
#include "timer.h"
#include "socinfo.h"

static struct resource smc91x_resources[] = {
	[0] = {
		.start = 0x8A000300,
		.end = 0x8A0003ff,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start = MSM_GPIO_TO_INT(156),
		.end = MSM_GPIO_TO_INT(156),
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device smc91x_device = {
	.name           = "smc91x",
	.id             = 0,
	.num_resources  = ARRAY_SIZE(smc91x_resources),
	.resource       = smc91x_resources,
};

static struct smsc911x_platform_config smsc911x_config = {
	.phy_interface	= PHY_INTERFACE_MODE_MII,
	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
	.flags		= SMSC911X_USE_32BIT,
};

static struct resource smsc911x_resources[] = {
	[0] = {
		.start		= 0x8D000000,
		.end		= 0x8D000100,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= MSM_GPIO_TO_INT(88),
		.end		= MSM_GPIO_TO_INT(88),
		.flags		= IORESOURCE_IRQ,
	},
};

static struct platform_device smsc911x_device = {
	.name		= "smsc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smsc911x_resources),
	.resource	= smsc911x_resources,
	.dev		= {
		.platform_data = &smsc911x_config,
	},
};

static struct msm_gpio smsc911x_gpios[] = {
    { GPIO_CFG(172, 2, GPIO_OUTPUT, GPIO_PULL_DOWN, GPIO_2MA), "ebi2_addr6" },
    { GPIO_CFG(173, 2, GPIO_OUTPUT, GPIO_PULL_DOWN, GPIO_2MA), "ebi2_addr5" },
    { GPIO_CFG(174, 2, GPIO_OUTPUT, GPIO_PULL_DOWN, GPIO_2MA), "ebi2_addr4" },
    { GPIO_CFG(175, 2, GPIO_OUTPUT, GPIO_PULL_DOWN, GPIO_2MA), "ebi2_addr3" },
    { GPIO_CFG(176, 2, GPIO_OUTPUT, GPIO_PULL_DOWN, GPIO_2MA), "ebi2_addr2" },
    { GPIO_CFG(177, 2, GPIO_OUTPUT, GPIO_PULL_DOWN, GPIO_2MA), "ebi2_addr1" },
    { GPIO_CFG(178, 2, GPIO_OUTPUT, GPIO_PULL_DOWN, GPIO_2MA), "ebi2_addr0" },
    { GPIO_CFG(88, 2, GPIO_INPUT, GPIO_PULL_UP, GPIO_2MA), "smsc911x_irq"  },
};

static void msm7x30_cfg_smsc911x(void)
{
	int rc;

	rc = msm_gpios_request_enable(smsc911x_gpios,
			ARRAY_SIZE(smsc911x_gpios));
	if (rc)
		pr_err("%s: unable to enable gpios\n", __func__);
}

static struct platform_device *devices[] __initdata = {
	&msm_device_smd,
	&msm_device_dmov,
	&smc91x_device,
	&smsc911x_device,
	&msm_device_nand,
	&msm_device_uart_dm1,
};

static void __init msm7x30_init_irq(void)
{
	msm_init_irq();
}

static void __init msm_7x30_init_nand(void)
{
	int rc;
	/* Enable GPIO 86 & 115 */
	rc = msm_gpios_request_enable(msm_nand_ebi2_cfg_data,
				ARRAY_SIZE(msm_nand_ebi2_cfg_data));
	if (rc)
		printk(KERN_ERR "%s: Failed to enable GPIO 86 & 115\n",
			 __func__);
}

static void __init msm7x30_init(void)
{
	if (socinfo_init() < 0)
		printk(KERN_ERR "%s: socinfo_init() failed!\n",
		       __func__);
	msm_acpu_clock_init(&msm7x30_clock_data);
	if (machine_is_msm7x30_surf() || machine_is_msm7x30_fluid())
		msm7x30_cfg_smsc911x();
	platform_add_devices(devices, ARRAY_SIZE(devices));
	msm_7x30_init_nand();
	buses_init();
}

static void __init msm7x30_map_io(void)
{
	msm_shared_ram_phys = 0x00000000;
	msm_map_msm7x30_io();
	msm7x30_allocate_memory_regions();
	msm_clock_init(msm_clocks_7x30, msm_num_clocks_7x30);
}

MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
#ifdef CONFIG_MSM_DEBUG_UART
	.phys_io  = MSM_DEBUG_UART_PHYS,
	.io_pg_offst = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
#endif
	.boot_params = PHYS_OFFSET + 0x100,
	.map_io = msm7x30_map_io,
	.init_irq = msm7x30_init_irq,
	.init_machine = msm7x30_init,
	.timer = &msm_timer,
MACHINE_END

MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
#ifdef CONFIG_MSM_DEBUG_UART
	.phys_io  = MSM_DEBUG_UART_PHYS,
	.io_pg_offst = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
#endif
	.boot_params = PHYS_OFFSET + 0x100,
	.map_io = msm7x30_map_io,
	.init_irq = msm7x30_init_irq,
	.init_machine = msm7x30_init,
	.timer = &msm_timer,
MACHINE_END

MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
#ifdef CONFIG_MSM_DEBUG_UART
	.phys_io  = MSM_DEBUG_UART_PHYS,
	.io_pg_offst = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
#endif
	.boot_params = PHYS_OFFSET + 0x100,
	.map_io = msm7x30_map_io,
	.init_irq = msm7x30_init_irq,
	.init_machine = msm7x30_init,
	.timer = &msm_timer,
MACHINE_END