[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mach-l7200 / core.c

/*
 *  linux/arch/arm/mm/mm-lusl7200.c
 *
 *  Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
 *
 *  Extra MM routines for L7200 architecture
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/device.h>

#include <asm/types.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/page.h>

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

/*
 * IRQ base register
 */
#define	IRQ_BASE	(IO_BASE_2 + 0x1000)

/* 
 * Normal IRQ registers
 */
#define IRQ_STATUS	(*(volatile unsigned long *) (IRQ_BASE + 0x000))
#define IRQ_RAWSTATUS	(*(volatile unsigned long *) (IRQ_BASE + 0x004))
#define IRQ_ENABLE	(*(volatile unsigned long *) (IRQ_BASE + 0x008))
#define IRQ_ENABLECLEAR	(*(volatile unsigned long *) (IRQ_BASE + 0x00c))
#define IRQ_SOFT	(*(volatile unsigned long *) (IRQ_BASE + 0x010))
#define IRQ_SOURCESEL	(*(volatile unsigned long *) (IRQ_BASE + 0x018))

/* 
 * Fast IRQ registers
 */
#define FIQ_STATUS	(*(volatile unsigned long *) (IRQ_BASE + 0x100))
#define FIQ_RAWSTATUS	(*(volatile unsigned long *) (IRQ_BASE + 0x104))
#define FIQ_ENABLE	(*(volatile unsigned long *) (IRQ_BASE + 0x108))
#define FIQ_ENABLECLEAR	(*(volatile unsigned long *) (IRQ_BASE + 0x10c))
#define FIQ_SOFT	(*(volatile unsigned long *) (IRQ_BASE + 0x110))
#define FIQ_SOURCESEL	(*(volatile unsigned long *) (IRQ_BASE + 0x118))

static void l7200_mask_irq(unsigned int irq)
{
	IRQ_ENABLECLEAR = 1 << irq;
}

static void l7200_unmask_irq(unsigned int irq)
{
	IRQ_ENABLE = 1 << irq;
}

static struct irq_chip l7200_irq_chip = {
	.ack		= l7200_mask_irq,
	.mask		= l7200_mask_irq,
	.unmask		= l7200_unmask_irq
};
 
static void __init l7200_init_irq(void)
{
	int irq;

	IRQ_ENABLECLEAR = 0xffffffff;	/* clear all interrupt enables */
	FIQ_ENABLECLEAR = 0xffffffff;	/* clear all fast interrupt enables */

	for (irq = 0; irq < NR_IRQS; irq++) {
		set_irq_chip(irq, &l7200_irq_chip);
		set_irq_flags(irq, IRQF_VALID);
		set_irq_handler(irq, handle_level_irq);
	}

	init_FIQ();
}

static struct map_desc l7200_io_desc[] __initdata = {
	{ IO_BASE,	IO_START,	IO_SIZE,	MT_DEVICE },
	{ IO_BASE_2,	IO_START_2,	IO_SIZE_2,	MT_DEVICE },
	{ AUX_BASE,     AUX_START,      AUX_SIZE,       MT_DEVICE },
	{ FLASH1_BASE,  FLASH1_START,   FLASH1_SIZE,    MT_DEVICE },
	{ FLASH2_BASE,  FLASH2_START,   FLASH2_SIZE,    MT_DEVICE }
};

static void __init l7200_map_io(void)
{
	iotable_init(l7200_io_desc, ARRAY_SIZE(l7200_io_desc));
}

MACHINE_START(L7200, "LinkUp Systems L7200")
	/* Maintainer: Steve Hill / Scott McConnell */
	.phys_io	= 0x80040000,
	.io_pg_offst	= ((0xd0000000) >> 18) & 0xfffc,
	.map_io		= l7200_map_io,
	.init_irq	= l7200_init_irq,
MACHINE_END
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mm/mm-lusl7200.c
	3	*
	4	* Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
	5	*
	6	* Extra MM routines for L7200 architecture
	7	*/
	8	#include <linux/kernel.h>
	9	#include <linux/init.h>
427923d1	10	#include <linux/irq.h>
cb90d681	11	#include <linux/device.h>
1da177e4	12
cb90d681 DS	13	#include <asm/types.h>
	14	#include <asm/irq.h>
	15	#include <asm/mach-types.h>
a09e64fb	16	#include <mach/hardware.h>
1da177e4 LT	17	#include <asm/page.h>
1da177e4 LT	18
cb90d681	19	#include <asm/mach/arch.h>
1da177e4	20	#include <asm/mach/map.h>
cb90d681	21	#include <asm/mach/irq.h>
1da177e4 LT	22
	23	/*
	24	* IRQ base register
	25	*/
	26	#define IRQ_BASE (IO_BASE_2 + 0x1000)
	27
	28	/*
	29	* Normal IRQ registers
	30	*/
	31	#define IRQ_STATUS ((volatile unsigned long ) (IRQ_BASE + 0x000))
	32	#define IRQ_RAWSTATUS ((volatile unsigned long ) (IRQ_BASE + 0x004))
	33	#define IRQ_ENABLE ((volatile unsigned long ) (IRQ_BASE + 0x008))
	34	#define IRQ_ENABLECLEAR ((volatile unsigned long ) (IRQ_BASE + 0x00c))
	35	#define IRQ_SOFT ((volatile unsigned long ) (IRQ_BASE + 0x010))
	36	#define IRQ_SOURCESEL ((volatile unsigned long ) (IRQ_BASE + 0x018))
	37
	38	/*
	39	* Fast IRQ registers
	40	*/
	41	#define FIQ_STATUS ((volatile unsigned long ) (IRQ_BASE + 0x100))
	42	#define FIQ_RAWSTATUS ((volatile unsigned long ) (IRQ_BASE + 0x104))
	43	#define FIQ_ENABLE ((volatile unsigned long ) (IRQ_BASE + 0x108))
	44	#define FIQ_ENABLECLEAR ((volatile unsigned long ) (IRQ_BASE + 0x10c))
	45	#define FIQ_SOFT ((volatile unsigned long ) (IRQ_BASE + 0x110))
	46	#define FIQ_SOURCESEL ((volatile unsigned long ) (IRQ_BASE + 0x118))
	47
	48	static void l7200_mask_irq(unsigned int irq)
	49	{
	50	IRQ_ENABLECLEAR = 1 << irq;
	51	}
	52
	53	static void l7200_unmask_irq(unsigned int irq)
	54	{
	55	IRQ_ENABLE = 1 << irq;
	56	}
cb90d681	57
10dd5ce2	58	static struct irq_chip l7200_irq_chip = {
cb90d681 DS	59	.ack = l7200_mask_irq,
	60	.mask = l7200_mask_irq,
	61	.unmask = l7200_unmask_irq
	62	};
1da177e4 LT	63
	64	static void __init l7200_init_irq(void)
	65	{
	66	int irq;
	67
	68	IRQ_ENABLECLEAR = 0xffffffff; /* clear all interrupt enables */
	69	FIQ_ENABLECLEAR = 0xffffffff; /* clear all fast interrupt enables */
	70
	71	for (irq = 0; irq < NR_IRQS; irq++) {
cb90d681 DS	72	set_irq_chip(irq, &l7200_irq_chip);
cb90d681 DS	73	set_irq_flags(irq, IRQF_VALID);
10dd5ce2	74	set_irq_handler(irq, handle_level_irq);
1da177e4 LT	75	}
	76
	77	init_FIQ();
	78	}
	79
	80	static struct map_desc l7200_io_desc[] __initdata = {
	81	{ IO_BASE, IO_START, IO_SIZE, MT_DEVICE },
	82	{ IO_BASE_2, IO_START_2, IO_SIZE_2, MT_DEVICE },
	83	{ AUX_BASE, AUX_START, AUX_SIZE, MT_DEVICE },
	84	{ FLASH1_BASE, FLASH1_START, FLASH1_SIZE, MT_DEVICE },
	85	{ FLASH2_BASE, FLASH2_START, FLASH2_SIZE, MT_DEVICE }
	86	};
	87
	88	static void __init l7200_map_io(void)
	89	{
	90	iotable_init(l7200_io_desc, ARRAY_SIZE(l7200_io_desc));
	91	}
	92
	93	MACHINE_START(L7200, "LinkUp Systems L7200")
e9dea0c6	94	/* Maintainer: Steve Hill / Scott McConnell */
e9dea0c6 RK	95	.phys_io = 0x80040000,
	96	.io_pg_offst = ((0xd0000000) >> 18) & 0xfffc,
	97	.map_io = l7200_map_io,
	98	.init_irq = l7200_init_irq,
1da177e4 LT	99	MACHINE_END
1da177e4 LT	100