60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* Copyright (C) 2010 John Crispin <john@phrozen.org>
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*/
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#ifndef _LANTIQ_H__
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#define _LANTIQ_H__
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#include <linux/irq.h>
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#include <linux/device.h>
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#include <linux/clk.h>
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/* generic reg access functions */
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#define ltq_r32(reg) __raw_readl(reg)
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#define ltq_w32(val, reg) __raw_writel(val, reg)
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#define ltq_w32_mask(clear, set, reg) \
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ltq_w32((ltq_r32(reg) & ~(clear)) | (set), reg)
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#define ltq_r8(reg) __raw_readb(reg)
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#define ltq_w8(val, reg) __raw_writeb(val, reg)
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/* register access macros for EBU and CGU */
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#define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y))
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#define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x))
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#define ltq_ebu_w32_mask(x, y, z) \
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ltq_w32_mask(x, y, ltq_ebu_membase + (z))
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extern __iomem void *ltq_ebu_membase;
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/* spinlock all ebu i/o */
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extern spinlock_t ebu_lock;
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/* some irq helpers */
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extern void ltq_disable_irq(struct irq_data *data);
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extern void ltq_mask_and_ack_irq(struct irq_data *data);
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extern void ltq_enable_irq(struct irq_data *data);
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extern int ltq_eiu_get_irq(int exin);
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/* clock handling */
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extern int clk_activate(struct clk *clk);
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extern void clk_deactivate(struct clk *clk);
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extern struct clk *clk_get_cpu(void);
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extern struct clk *clk_get_fpi(void);
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extern struct clk *clk_get_io(void);
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extern struct clk *clk_get_ppe(void);
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/* find out what bootsource we have */
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extern unsigned char ltq_boot_select(void);
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/* find out what caused the last cpu reset */
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extern int ltq_reset_cause(void);
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/* find out the soc type */
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extern int ltq_soc_type(void);
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#define IOPORT_RESOURCE_START 0x10000000
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#define IOPORT_RESOURCE_END 0xffffffff
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#define IOMEM_RESOURCE_START 0x10000000
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#define IOMEM_RESOURCE_END 0xffffffff
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#endif
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