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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- *
- * Copyright (C) 2010 John Crispin <[email protected]>
- */
- #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 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
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