[deliverable/linux.git] / arch / arm / mach-mx3 / mx31ads.c

/*
 *  Copyright (C) 2000 Deep Blue Solutions Ltd
 *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
 *  Copyright 2005-2007 Freescale Semiconductor, Inc. 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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/types.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/serial_8250.h>

#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <asm/arch/common.h>
#include <asm/arch/board-mx31ads.h>

/*!
 * @file mx31ads.c
 *
 * @brief This file contains the board-specific initialization routines.
 *
 * @ingroup System
 */

#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
/*!
 * The serial port definition structure.
 */
static struct plat_serial8250_port serial_platform_data[] = {
	{
		.membase  = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTA),
		.mapbase  = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTA),
		.irq      = EXPIO_INT_XUART_INTA,
		.uartclk  = 14745600,
		.regshift = 0,
		.iotype   = UPIO_MEM,
		.flags    = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ,
	}, {
		.membase  = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTB),
		.mapbase  = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTB),
		.irq      = EXPIO_INT_XUART_INTB,
		.uartclk  = 14745600,
		.regshift = 0,
		.iotype   = UPIO_MEM,
		.flags    = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ,
	},
	{},
};

static struct platform_device serial_device = {
	.name	= "serial8250",
	.id	= 0,
	.dev	= {
		.platform_data = serial_platform_data,
	},
};

static int __init mxc_init_extuart(void)
{
	return platform_device_register(&serial_device);
}
#else
static inline int mxc_init_extuart(void)
{
	return 0;
}
#endif

/*!
 * This structure defines static mappings for the i.MX31ADS board.
 */
static struct map_desc mx31ads_io_desc[] __initdata = {
	{
		.virtual	= AIPS1_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(AIPS1_BASE_ADDR),
		.length		= AIPS1_SIZE,
		.type		= MT_NONSHARED_DEVICE
	}, {
		.virtual	= SPBA0_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(SPBA0_BASE_ADDR),
		.length		= SPBA0_SIZE,
		.type		= MT_NONSHARED_DEVICE
	}, {
		.virtual	= AIPS2_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(AIPS2_BASE_ADDR),
		.length		= AIPS2_SIZE,
		.type		= MT_NONSHARED_DEVICE
	}, {
		.virtual	= CS4_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(CS4_BASE_ADDR),
		.length		= CS4_SIZE / 2,
		.type		= MT_DEVICE
	},
};

/*!
 * Set up static virtual mappings.
 */
void __init mx31ads_map_io(void)
{
	mxc_map_io();
	iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc));
}

/*!
 * Board specific initialization.
 */
static void __init mxc_board_init(void)
{
	mxc_init_extuart();
}

static void __init mx31ads_timer_init(void)
{
	mxc_clocks_init(26000000);
	mxc_timer_init("ipg_clk.0");
}

struct sys_timer mx31ads_timer = {
	.init	= mx31ads_timer_init,
};

/*
 * The following uses standard kernel macros defined in arch.h in order to
 * initialize __mach_desc_MX31ADS data structure.
 */
MACHINE_START(MX31ADS, "Freescale MX31ADS")
	/* Maintainer: Freescale Semiconductor, Inc. */
	.phys_io	= AIPS1_BASE_ADDR,
	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
	.boot_params    = PHYS_OFFSET + 0x100,
	.map_io         = mx31ads_map_io,
	.init_irq       = mxc_init_irq,
	.init_machine   = mxc_board_init,
	.timer          = &mx31ads_timer,
MACHINE_END
Commit	Line	Data
52c543f9 QJ	1	/*
	2	* Copyright (C) 2000 Deep Blue Solutions Ltd
	3	* Copyright (C) 2002 Shane Nay (shane@minirl.com)
	4	* Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	#include <linux/types.h>
	22	#include <linux/init.h>
	23	#include <linux/clk.h>
	24	#include <linux/serial_8250.h>
	25
	26	#include <asm/hardware.h>
	27	#include <asm/mach-types.h>
	28	#include <asm/mach/arch.h>
d0f349fb	29	#include <asm/mach/time.h>
52c543f9 QJ	30	#include <asm/memory.h>
	31	#include <asm/mach/map.h>
	32	#include <asm/arch/common.h>
63dd1084	33	#include <asm/arch/board-mx31ads.h>
52c543f9 QJ	34
	35	/*!
	36	* @file mx31ads.c
	37	*
	38	* @brief This file contains the board-specific initialization routines.
	39	*
	40	* @ingroup System
	41	*/
	42
	43	#if defined(CONFIG_SERIAL_8250) \|\| defined(CONFIG_SERIAL_8250_MODULE)
	44	/*!
	45	* The serial port definition structure.
	46	*/
	47	static struct plat_serial8250_port serial_platform_data[] = {
	48	{
	49	.membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTA),
	50	.mapbase = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTA),
	51	.irq = EXPIO_INT_XUART_INTA,
	52	.uartclk = 14745600,
	53	.regshift = 0,
	54	.iotype = UPIO_MEM,
	55	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST \| UPF_AUTO_IRQ,
	56	}, {
	57	.membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTB),
	58	.mapbase = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTB),
	59	.irq = EXPIO_INT_XUART_INTB,
	60	.uartclk = 14745600,
	61	.regshift = 0,
	62	.iotype = UPIO_MEM,
	63	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST \| UPF_AUTO_IRQ,
	64	},
	65	{},
	66	};
	67
	68	static struct platform_device serial_device = {
	69	.name = "serial8250",
	70	.id = 0,
	71	.dev = {
	72	.platform_data = serial_platform_data,
	73	},
	74	};
	75
	76	static int __init mxc_init_extuart(void)
	77	{
	78	return platform_device_register(&serial_device);
	79	}
	80	#else
	81	static inline int mxc_init_extuart(void)
	82	{
	83	return 0;
	84	}
	85	#endif
	86
	87	/*!
	88	* This structure defines static mappings for the i.MX31ADS board.
	89	*/
	90	static struct map_desc mx31ads_io_desc[] __initdata = {
	91	{
	92	.virtual = AIPS1_BASE_ADDR_VIRT,
	93	.pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
	94	.length = AIPS1_SIZE,
	95	.type = MT_NONSHARED_DEVICE
	96	}, {
	97	.virtual = SPBA0_BASE_ADDR_VIRT,
98	.pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
99	.length = SPBA0_SIZE,
100	.type = MT_NONSHARED_DEVICE
101	}, {
102	.virtual = AIPS2_BASE_ADDR_VIRT,
103	.pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
104	.length = AIPS2_SIZE,
105	.type = MT_NONSHARED_DEVICE
106	}, {
107	.virtual = CS4_BASE_ADDR_VIRT,
108	.pfn = __phys_to_pfn(CS4_BASE_ADDR),
109	.length = CS4_SIZE / 2,
110	.type = MT_DEVICE
111	},
112	};
113
114	/*!
115	* Set up static virtual mappings.
116	*/
117	void __init mx31ads_map_io(void)
118	{
119	mxc_map_io();
120	iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc));
121	}
122
123	/*!
124	* Board specific initialization.
125	*/
126	static void __init mxc_board_init(void)
127	{
128	mxc_init_extuart();
129	}
130
d0f349fb JB	131	static void __init mx31ads_timer_init(void)
	132	{
	133	mxc_clocks_init(26000000);
	134	mxc_timer_init("ipg_clk.0");
	135	}
	136
	137	struct sys_timer mx31ads_timer = {
	138	.init = mx31ads_timer_init,
	139	};
	140
52c543f9 QJ	141	/*
	142	* The following uses standard kernel macros defined in arch.h in order to
	143	* initialize __mach_desc_MX31ADS data structure.
	144	*/
	145	MACHINE_START(MX31ADS, "Freescale MX31ADS")
	146	/* Maintainer: Freescale Semiconductor, Inc. */
	147	.phys_io = AIPS1_BASE_ADDR,
	148	.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
	149	.boot_params = PHYS_OFFSET + 0x100,
	150	.map_io = mx31ads_map_io,
	151	.init_irq = mxc_init_irq,
	152	.init_machine = mxc_board_init,
d0f349fb	153	.timer = &mx31ads_timer,
52c543f9	154	MACHINE_END