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-rw-r--r--arch/mips/include/asm/mach-lantiq/lantiq.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-lantiq/lantiq.h b/arch/mips/include/asm/mach-lantiq/lantiq.h
new file mode 100644
index 000000000000..ce2f02929d22
--- /dev/null
+++ b/arch/mips/include/asm/mach-lantiq/lantiq.h
@@ -0,0 +1,63 @@
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
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_cgu_w32(x, y) ltq_w32((x), ltq_cgu_membase + (y))
25#define ltq_cgu_r32(x) ltq_r32(ltq_cgu_membase + (x))
26
27extern __iomem void *ltq_ebu_membase;
28extern __iomem void *ltq_cgu_membase;
29
30extern unsigned int ltq_get_cpu_ver(void);
31extern unsigned int ltq_get_soc_type(void);
32
33/* clock speeds */
34#define CLOCK_60M 60000000
35#define CLOCK_83M 83333333
36#define CLOCK_111M 111111111
37#define CLOCK_133M 133333333
38#define CLOCK_167M 166666667
39#define CLOCK_200M 200000000
40#define CLOCK_266M 266666666
41#define CLOCK_333M 333333333
42#define CLOCK_400M 400000000
43
44/* spinlock all ebu i/o */
45extern spinlock_t ebu_lock;
46
47/* some irq helpers */
48extern void ltq_disable_irq(struct irq_data *data);
49extern void ltq_mask_and_ack_irq(struct irq_data *data);
50extern void ltq_enable_irq(struct irq_data *data);
51
52/* find out what caused the last cpu reset */
53extern int ltq_reset_cause(void);
54#define LTQ_RST_CAUSE_WDTRST 0x20
55
56#define IOPORT_RESOURCE_START 0x10000000
57#define IOPORT_RESOURCE_END 0xffffffff
58#define IOMEM_RESOURCE_START 0x10000000
59#define IOMEM_RESOURCE_END 0xffffffff
60#define LTQ_FLASH_START 0x10000000
61#define LTQ_FLASH_MAX 0x04000000
62
63#endif