lantiq.h (1649B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * 4 * Copyright (C) 2010 John Crispin <john@phrozen.org> 5 */ 6#ifndef _LANTIQ_H__ 7#define _LANTIQ_H__ 8 9#include <linux/irq.h> 10#include <linux/device.h> 11#include <linux/clk.h> 12 13/* generic reg access functions */ 14#define ltq_r32(reg) __raw_readl(reg) 15#define ltq_w32(val, reg) __raw_writel(val, reg) 16#define ltq_w32_mask(clear, set, reg) \ 17 ltq_w32((ltq_r32(reg) & ~(clear)) | (set), reg) 18#define ltq_r8(reg) __raw_readb(reg) 19#define ltq_w8(val, reg) __raw_writeb(val, reg) 20 21/* register access macros for EBU and CGU */ 22#define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y)) 23#define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x)) 24#define ltq_ebu_w32_mask(x, y, z) \ 25 ltq_w32_mask(x, y, ltq_ebu_membase + (z)) 26extern __iomem void *ltq_ebu_membase; 27 28/* spinlock all ebu i/o */ 29extern spinlock_t ebu_lock; 30 31/* some irq helpers */ 32extern void ltq_disable_irq(struct irq_data *data); 33extern void ltq_mask_and_ack_irq(struct irq_data *data); 34extern void ltq_enable_irq(struct irq_data *data); 35extern int ltq_eiu_get_irq(int exin); 36 37/* clock handling */ 38extern int clk_activate(struct clk *clk); 39extern void clk_deactivate(struct clk *clk); 40extern struct clk *clk_get_cpu(void); 41extern struct clk *clk_get_fpi(void); 42extern struct clk *clk_get_io(void); 43extern struct clk *clk_get_ppe(void); 44 45/* find out what bootsource we have */ 46extern unsigned char ltq_boot_select(void); 47/* find out the soc type */ 48extern int ltq_soc_type(void); 49 50#define IOPORT_RESOURCE_START 0x10000000 51#define IOPORT_RESOURCE_END 0xffffffff 52#define IOMEM_RESOURCE_START 0x10000000 53#define IOMEM_RESOURCE_END 0xffffffff 54 55#endif