/* * 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 <john@phrozen.org> */ #ifndef _LANTIQ_H__ #define _LANTIQ_H__ #include <linux/irq.h> #include <linux/device.h> #include <linux/clk.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_ebu_w32_mask(x, y, z) \ ltq_w32_mask(x, y, ltq_ebu_membase + (z)) extern __iomem void *ltq_ebu_membase; /* 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); extern int ltq_eiu_get_irq(int exin); /* clock handling */ extern int clk_activate(struct clk *clk); extern void clk_deactivate(struct clk *clk); extern struct clk *clk_get_cpu(void); extern struct clk *clk_get_fpi(void); extern struct clk *clk_get_io(void); extern struct clk *clk_get_ppe(void); /* find out what bootsource we have */ extern unsigned char ltq_boot_select(void); /* find out what caused the last cpu reset */ extern int ltq_reset_cause(void); /* find out the soc type */ extern int ltq_soc_type(void); #define IOPORT_RESOURCE_START 0x10000000 #define IOPORT_RESOURCE_END 0xffffffff #define IOMEM_RESOURCE_START 0x10000000 #define IOMEM_RESOURCE_END 0xffffffff #endif |