1/*
 2 *  This program is free software; you can redistribute it and/or modify it
 3 *  under the terms of the GNU General Public License version 2 as published
 4 *  by the Free Software Foundation.
 5 *
 6 *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 7 */
 8#ifndef _LANTIQ_H__
 9#define _LANTIQ_H__
10
11#include <linux/irq.h>
12#include <linux/device.h>
13#include <linux/clk.h>
14
15/* generic reg access functions */
16#define ltq_r32(reg)		__raw_readl(reg)
17#define ltq_w32(val, reg)	__raw_writel(val, reg)
18#define ltq_w32_mask(clear, set, reg)	\
19	ltq_w32((ltq_r32(reg) & ~(clear)) | (set), reg)
20#define ltq_r8(reg)		__raw_readb(reg)
21#define ltq_w8(val, reg)	__raw_writeb(val, reg)
22
23/* register access macros for EBU and CGU */
24#define ltq_ebu_w32(x, y)	ltq_w32((x), ltq_ebu_membase + (y))
25#define ltq_ebu_r32(x)		ltq_r32(ltq_ebu_membase + (x))
26#define ltq_ebu_w32_mask(x, y, z) \
27	ltq_w32_mask(x, y, ltq_ebu_membase + (z))
28extern __iomem void *ltq_ebu_membase;
29
30/* spinlock all ebu i/o */
31extern spinlock_t ebu_lock;
32
33/* some irq helpers */
34extern void ltq_disable_irq(struct irq_data *data);
35extern void ltq_mask_and_ack_irq(struct irq_data *data);
36extern void ltq_enable_irq(struct irq_data *data);
 
37
38/* clock handling */
39extern int clk_activate(struct clk *clk);
40extern void clk_deactivate(struct clk *clk);
41extern struct clk *clk_get_cpu(void);
42extern struct clk *clk_get_fpi(void);
43extern struct clk *clk_get_io(void);
 
44
45/* find out what bootsource we have */
46extern unsigned char ltq_boot_select(void);
47/* find out what caused the last cpu reset */
48extern int ltq_reset_cause(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

 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