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/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* Copyright (C) 2010 John Crispin <blogic@openwrt.org>
*/
#ifndef _LANTIQ_H__
#define _LANTIQ_H__
#include <linux/irq.h>
/* generic reg access functions */
#define ltq_r32(reg) __raw_readl(reg)
#define ltq_w32(val, reg) __raw_writel(val, reg)
#define ltq_w32_mask(clear, set, reg) \
ltq_w32((ltq_r32(reg) & ~(clear)) | (set), reg)
#define ltq_r8(reg) __raw_readb(reg)
#define ltq_w8(val, reg) __raw_writeb(val, reg)
/* register access macros for EBU and CGU */
#define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y))
#define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x))
#define ltq_cgu_w32(x, y) ltq_w32((x), ltq_cgu_membase + (y))
#define ltq_cgu_r32(x) ltq_r32(ltq_cgu_membase + (x))
extern __iomem void *ltq_ebu_membase;
extern __iomem void *ltq_cgu_membase;
extern unsigned int ltq_get_cpu_ver(void);
extern unsigned int ltq_get_soc_type(void);
/* clock speeds */
#define CLOCK_60M 60000000
#define CLOCK_83M 83333333
#define CLOCK_111M 111111111
#define CLOCK_133M 133333333
#define CLOCK_167M 166666667
#define CLOCK_200M 200000000
#define CLOCK_266M 266666666
#define CLOCK_333M 333333333
#define CLOCK_400M 400000000
/* spinlock all ebu i/o */
extern spinlock_t ebu_lock;
/* some irq helpers */
extern void ltq_disable_irq(struct irq_data *data);
extern void ltq_mask_and_ack_irq(struct irq_data *data);
extern void ltq_enable_irq(struct irq_data *data);
/* find out what caused the last cpu reset */
extern int ltq_reset_cause(void);
#define LTQ_RST_CAUSE_WDTRST 0x20
#define IOPORT_RESOURCE_START 0x10000000
#define IOPORT_RESOURCE_END 0xffffffff
#define IOMEM_RESOURCE_START 0x10000000
#define IOMEM_RESOURCE_END 0xffffffff
#define LTQ_FLASH_START 0x10000000
#define LTQ_FLASH_MAX 0x04000000
#endif
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