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ath79.h
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1 /*
2  * Atheros AR71XX/AR724X/AR913X common definitions
3  *
4  * Copyright (C) 2008-2011 Gabor Juhos <[email protected]>
5  * Copyright (C) 2008 Imre Kaloz <[email protected]>
6  *
7  * Parts of this file are based on Atheros' 2.6.15 BSP
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU General Public License version 2 as published
11  * by the Free Software Foundation.
12  */
13 
14 #ifndef __ASM_MACH_ATH79_H
15 #define __ASM_MACH_ATH79_H
16 
17 #include <linux/types.h>
18 #include <linux/io.h>
19 
20 enum ath79_soc_type {
21  ATH79_SOC_UNKNOWN,
22  ATH79_SOC_AR7130,
23  ATH79_SOC_AR7141,
24  ATH79_SOC_AR7161,
25  ATH79_SOC_AR7240,
26  ATH79_SOC_AR7241,
27  ATH79_SOC_AR7242,
28  ATH79_SOC_AR9130,
29  ATH79_SOC_AR9132,
30  ATH79_SOC_AR9330,
31  ATH79_SOC_AR9331,
32  ATH79_SOC_AR9341,
33  ATH79_SOC_AR9342,
34  ATH79_SOC_AR9344,
35 };
36 
37 extern enum ath79_soc_type ath79_soc;
38 extern unsigned int ath79_soc_rev;
39 
40 static inline int soc_is_ar71xx(void)
41 {
42  return (ath79_soc == ATH79_SOC_AR7130 ||
43  ath79_soc == ATH79_SOC_AR7141 ||
44  ath79_soc == ATH79_SOC_AR7161);
45 }
46 
47 static inline int soc_is_ar724x(void)
48 {
49  return (ath79_soc == ATH79_SOC_AR7240 ||
50  ath79_soc == ATH79_SOC_AR7241 ||
51  ath79_soc == ATH79_SOC_AR7242);
52 }
53 
54 static inline int soc_is_ar7240(void)
55 {
56  return (ath79_soc == ATH79_SOC_AR7240);
57 }
58 
59 static inline int soc_is_ar7241(void)
60 {
61  return (ath79_soc == ATH79_SOC_AR7241);
62 }
63 
64 static inline int soc_is_ar7242(void)
65 {
66  return (ath79_soc == ATH79_SOC_AR7242);
67 }
68 
69 static inline int soc_is_ar913x(void)
70 {
71  return (ath79_soc == ATH79_SOC_AR9130 ||
72  ath79_soc == ATH79_SOC_AR9132);
73 }
74 
75 static inline int soc_is_ar933x(void)
76 {
77  return (ath79_soc == ATH79_SOC_AR9330 ||
78  ath79_soc == ATH79_SOC_AR9331);
79 }
80 
81 static inline int soc_is_ar9341(void)
82 {
83  return (ath79_soc == ATH79_SOC_AR9341);
84 }
85 
86 static inline int soc_is_ar9342(void)
87 {
88  return (ath79_soc == ATH79_SOC_AR9342);
89 }
90 
91 static inline int soc_is_ar9344(void)
92 {
93  return (ath79_soc == ATH79_SOC_AR9344);
94 }
95 
96 static inline int soc_is_ar934x(void)
97 {
98  return soc_is_ar9341() || soc_is_ar9342() || soc_is_ar9344();
99 }
100 
101 extern void __iomem *ath79_ddr_base;
102 extern void __iomem *ath79_pll_base;
103 extern void __iomem *ath79_reset_base;
104 
105 static inline void ath79_pll_wr(unsigned reg, u32 val)
106 {
107  __raw_writel(val, ath79_pll_base + reg);
108 }
109 
110 static inline u32 ath79_pll_rr(unsigned reg)
111 {
112  return __raw_readl(ath79_pll_base + reg);
113 }
114 
115 static inline void ath79_reset_wr(unsigned reg, u32 val)
116 {
117  __raw_writel(val, ath79_reset_base + reg);
118 }
119 
120 static inline u32 ath79_reset_rr(unsigned reg)
121 {
122  return __raw_readl(ath79_reset_base + reg);
123 }
124 
125 void ath79_device_reset_set(u32 mask);
126 void ath79_device_reset_clear(u32 mask);
127 
128 #endif /* __ASM_MACH_ATH79_H */
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