162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * Copyright (C) 2010 John Crispin <john@phrozen.org> 562306a36Sopenharmony_ci */ 662306a36Sopenharmony_ci#ifndef _LANTIQ_H__ 762306a36Sopenharmony_ci#define _LANTIQ_H__ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include <linux/irq.h> 1062306a36Sopenharmony_ci#include <linux/device.h> 1162306a36Sopenharmony_ci#include <linux/clk.h> 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci/* generic reg access functions */ 1462306a36Sopenharmony_ci#define ltq_r32(reg) __raw_readl(reg) 1562306a36Sopenharmony_ci#define ltq_w32(val, reg) __raw_writel(val, reg) 1662306a36Sopenharmony_ci#define ltq_w32_mask(clear, set, reg) \ 1762306a36Sopenharmony_ci ltq_w32((ltq_r32(reg) & ~(clear)) | (set), reg) 1862306a36Sopenharmony_ci#define ltq_r8(reg) __raw_readb(reg) 1962306a36Sopenharmony_ci#define ltq_w8(val, reg) __raw_writeb(val, reg) 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci/* register access macros for EBU and CGU */ 2262306a36Sopenharmony_ci#define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y)) 2362306a36Sopenharmony_ci#define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x)) 2462306a36Sopenharmony_ci#define ltq_ebu_w32_mask(x, y, z) \ 2562306a36Sopenharmony_ci ltq_w32_mask(x, y, ltq_ebu_membase + (z)) 2662306a36Sopenharmony_ciextern __iomem void *ltq_ebu_membase; 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci/* spinlock all ebu i/o */ 2962306a36Sopenharmony_ciextern spinlock_t ebu_lock; 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci/* some irq helpers */ 3262306a36Sopenharmony_ciextern void ltq_disable_irq(struct irq_data *data); 3362306a36Sopenharmony_ciextern void ltq_mask_and_ack_irq(struct irq_data *data); 3462306a36Sopenharmony_ciextern void ltq_enable_irq(struct irq_data *data); 3562306a36Sopenharmony_ciextern int ltq_eiu_get_irq(int exin); 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci/* clock handling */ 3862306a36Sopenharmony_ciextern int clk_activate(struct clk *clk); 3962306a36Sopenharmony_ciextern void clk_deactivate(struct clk *clk); 4062306a36Sopenharmony_ciextern struct clk *clk_get_cpu(void); 4162306a36Sopenharmony_ciextern struct clk *clk_get_fpi(void); 4262306a36Sopenharmony_ciextern struct clk *clk_get_io(void); 4362306a36Sopenharmony_ciextern struct clk *clk_get_ppe(void); 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_ci/* find out what bootsource we have */ 4662306a36Sopenharmony_ciextern unsigned char ltq_boot_select(void); 4762306a36Sopenharmony_ci/* find out the soc type */ 4862306a36Sopenharmony_ciextern int ltq_soc_type(void); 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_ci#define IOPORT_RESOURCE_START 0x10000000 5162306a36Sopenharmony_ci#define IOPORT_RESOURCE_END 0xffffffff 5262306a36Sopenharmony_ci#define IOMEM_RESOURCE_START 0x10000000 5362306a36Sopenharmony_ci#define IOMEM_RESOURCE_END 0xffffffff 5462306a36Sopenharmony_ci 5562306a36Sopenharmony_ci#endif 56