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55 lines
1.6 KiB
55 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* |
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* Copyright (C) 2010 John Crispin <[email protected]> |
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*/ |
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#ifndef _LANTIQ_H__ |
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#define _LANTIQ_H__ |
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#include <linux/irq.h> |
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#include <linux/device.h> |
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#include <linux/clk.h> |
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/* generic reg access functions */ |
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#define ltq_r32(reg) __raw_readl(reg) |
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#define ltq_w32(val, reg) __raw_writel(val, reg) |
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#define ltq_w32_mask(clear, set, reg) \ |
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ltq_w32((ltq_r32(reg) & ~(clear)) | (set), reg) |
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#define ltq_r8(reg) __raw_readb(reg) |
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#define ltq_w8(val, reg) __raw_writeb(val, reg) |
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/* register access macros for EBU and CGU */ |
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#define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y)) |
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#define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x)) |
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#define ltq_ebu_w32_mask(x, y, z) \ |
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ltq_w32_mask(x, y, ltq_ebu_membase + (z)) |
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extern __iomem void *ltq_ebu_membase; |
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/* spinlock all ebu i/o */ |
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extern spinlock_t ebu_lock; |
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/* some irq helpers */ |
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extern void ltq_disable_irq(struct irq_data *data); |
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extern void ltq_mask_and_ack_irq(struct irq_data *data); |
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extern void ltq_enable_irq(struct irq_data *data); |
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extern int ltq_eiu_get_irq(int exin); |
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/* clock handling */ |
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extern int clk_activate(struct clk *clk); |
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extern void clk_deactivate(struct clk *clk); |
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extern struct clk *clk_get_cpu(void); |
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extern struct clk *clk_get_fpi(void); |
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extern struct clk *clk_get_io(void); |
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extern struct clk *clk_get_ppe(void); |
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/* find out what bootsource we have */ |
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extern unsigned char ltq_boot_select(void); |
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/* find out the soc type */ |
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extern int ltq_soc_type(void); |
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#define IOPORT_RESOURCE_START 0x10000000 |
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#define IOPORT_RESOURCE_END 0xffffffff |
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#define IOMEM_RESOURCE_START 0x10000000 |
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#define IOMEM_RESOURCE_END 0xffffffff |
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#endif
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