ARM: 6010/1: ST SPEAr: Added basic header files for SPEAr3xx machine family

/*

 * arch/arm/mach-spear3xx/include/mach/debug-macro.S

 *

 * Debugging macro include header spear3xx machine family

 *

 * Copyright (C) 2009 ST Microelectronics

 * Viresh Kumar<viresh.kumar@st.com>

 *

 * This file is licensed under the terms of the GNU General Public

 * License version 2. This program is licensed "as is" without any

 * warranty of any kind, whether express or implied.

 */

#include <plat/debug-macro.S>

/*

 * arch/arm/mach-spear3xx/include/mach/entry-macro.S

 *

 * Low-level IRQ helper macros for SPEAr3xx machine family

 *

 * Copyright (C) 2009 ST Microelectronics

 * Viresh Kumar<viresh.kumar@st.com>

 *

 * This file is licensed under the terms of the GNU General Public

 * License version 2. This program is licensed "as is" without any

 * warranty of any kind, whether express or implied.

 */

#include <mach/hardware.h>

#include <mach/spear.h>

#include <asm/hardware/vic.h>

		.macro	disable_fiq

		.endm

		.macro	get_irqnr_preamble, base, tmp

		.endm

		.macro	arch_ret_to_user, tmp1, tmp2

		.endm

		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp

		ldr	\base, =VA_SPEAR3XX_ML1_VIC_BASE

		ldr	\irqstat, [\base, #VIC_IRQ_STATUS]	@ get status

		teq	\irqstat, #0

		beq	1001f				@ this will set/reset

							@ zero register

		/*

		 * Following code will find bit position of least significang

		 * bit set in irqstat, using following equation

		 * least significant bit set in n = (n & ~(n-1))

		 */

		sub	\tmp, \irqstat, #1		@ tmp = irqstat - 1

		mvn	\tmp, \tmp			@ tmp = ~tmp

		and	\irqstat, \irqstat, \tmp	@ irqstat &= tmp

		/* Now, irqstat is = bit no. of 1st bit set in vic irq status */

		clz	\tmp, \irqstat			@ tmp = leading zeros

		rsb	\irqnr, \tmp, #0x1F		@ irqnr = 32 - tmp - 1

1001:		/* EQ will be set if no irqs pending */

		.endm

/*

 * arch/arm/mach-spear3xx/generic.h

 *

 * SPEAr3XX machine family generic header file

 *

 * Copyright (C) 2009 ST Microelectronics

 * Viresh Kumar<viresh.kumar@st.com>

 *

 * This file is licensed under the terms of the GNU General Public

 * License version 2. This program is licensed "as is" without any

 * warranty of any kind, whether express or implied.

 */

#ifndef __MACH_GENERIC_H

#define __MACH_GENERIC_H

#include <asm/mach/time.h>

#include <asm/mach/map.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/amba/bus.h>

/*

 * Each GPT has 2 timer channels

 * Following GPT channels will be used as clock source and clockevent

 */

#define SPEAR_GPT0_BASE		SPEAR3XX_ML1_TMR_BASE

#define SPEAR_GPT0_CHAN0_IRQ	IRQ_CPU_GPT1_1

#define SPEAR_GPT0_CHAN1_IRQ	IRQ_CPU_GPT1_2

/* Add spear3xx family device structure declarations here */

extern struct amba_device gpio_device;

extern struct amba_device uart_device;

extern struct sys_timer spear_sys_timer;

/* Add spear3xx family function declarations here */

void __init spear3xx_map_io(void);

void __init spear3xx_init_irq(void);

void __init spear3xx_init(void);

void __init spear300_init(void);

void __init spear310_init(void);

void __init spear320_init(void);

void __init clk_init(void);

/* Add spear300 machine device structure declarations here */

#ifdef CONFIG_MACH_SPEAR300

extern struct amba_device gpio1_device;

#endif /* CONFIG_MACH_SPEAR300 */

/* Add spear310 machine device structure declarations here */

#ifdef CONFIG_MACH_SPEAR310

#endif /* CONFIG_MACH_SPEAR310 */

/* Add spear320 machine device structure declarations here */

#ifdef CONFIG_MACH_SPEAR320

#endif /* CONFIG_MACH_SPEAR320 */

#endif /* __MACH_GENERIC_H */

/*

 * arch/arm/mach-spear3xx/include/mach/gpio.h

 *

 * GPIO macros for SPEAr3xx machine family

 *

 * Copyright (C) 2009 ST Microelectronics

 * Viresh Kumar<viresh.kumar@st.com>

 *

 * This file is licensed under the terms of the GNU General Public

 * License version 2. This program is licensed "as is" without any

 * warranty of any kind, whether express or implied.

 */

#ifndef __MACH_GPIO_H

#define __MACH_GPIO_H

#include <plat/gpio.h>

#endif /* __MACH_GPIO_H */

/*

 * arch/arm/mach-spear3xx/include/mach/hardware.h

 *

 * Hardware definitions for SPEAr3xx machine family

 *

 * Copyright (C) 2009 ST Microelectronics

 * Viresh Kumar<viresh.kumar@st.com>

 *

 * This file is licensed under the terms of the GNU General Public

 * License version 2. This program is licensed "as is" without any

 * warranty of any kind, whether express or implied.

 */

#ifndef __MACH_HARDWARE_H

#define __MACH_HARDWARE_H

/* Vitual to physical translation of statically mapped space */

#define IO_ADDRESS(x)		(x | 0xF0000000)

#endif /* __MACH_HARDWARE_H */