xref: /openbmc/linux/arch/arm/mach-imx/mxc.h (revision 5739b919)
1 /*
2  * Copyright 2004-2007, 2010-2015 Freescale Semiconductor, Inc.
3  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
17  * MA 02110-1301, USA.
18  */
19 
20 #ifndef __ASM_ARCH_MXC_H__
21 #define __ASM_ARCH_MXC_H__
22 
23 #include <linux/types.h>
24 
25 #ifndef __ASM_ARCH_MXC_HARDWARE_H__
26 #error "Do not include directly."
27 #endif
28 
29 #define MXC_CPU_MX1		1
30 #define MXC_CPU_MX21		21
31 #define MXC_CPU_MX25		25
32 #define MXC_CPU_MX27		27
33 #define MXC_CPU_MX31		31
34 #define MXC_CPU_MX35		35
35 #define MXC_CPU_MX51		51
36 #define MXC_CPU_MX53		53
37 #define MXC_CPU_IMX6SL		0x60
38 #define MXC_CPU_IMX6DL		0x61
39 #define MXC_CPU_IMX6SX		0x62
40 #define MXC_CPU_IMX6Q		0x63
41 #define MXC_CPU_IMX7D		0x72
42 
43 #define IMX_DDR_TYPE_LPDDR2		1
44 
45 #ifndef __ASSEMBLY__
46 extern unsigned int __mxc_cpu_type;
47 #endif
48 
49 #ifdef CONFIG_SOC_IMX1
50 # ifdef mxc_cpu_type
51 #  undef mxc_cpu_type
52 #  define mxc_cpu_type __mxc_cpu_type
53 # else
54 #  define mxc_cpu_type MXC_CPU_MX1
55 # endif
56 # define cpu_is_mx1()		(mxc_cpu_type == MXC_CPU_MX1)
57 #else
58 # define cpu_is_mx1()		(0)
59 #endif
60 
61 #ifdef CONFIG_SOC_IMX21
62 # ifdef mxc_cpu_type
63 #  undef mxc_cpu_type
64 #  define mxc_cpu_type __mxc_cpu_type
65 # else
66 #  define mxc_cpu_type MXC_CPU_MX21
67 # endif
68 # define cpu_is_mx21()		(mxc_cpu_type == MXC_CPU_MX21)
69 #else
70 # define cpu_is_mx21()		(0)
71 #endif
72 
73 #ifdef CONFIG_SOC_IMX25
74 # ifdef mxc_cpu_type
75 #  undef mxc_cpu_type
76 #  define mxc_cpu_type __mxc_cpu_type
77 # else
78 #  define mxc_cpu_type MXC_CPU_MX25
79 # endif
80 # define cpu_is_mx25()		(mxc_cpu_type == MXC_CPU_MX25)
81 #else
82 # define cpu_is_mx25()		(0)
83 #endif
84 
85 #ifdef CONFIG_SOC_IMX27
86 # ifdef mxc_cpu_type
87 #  undef mxc_cpu_type
88 #  define mxc_cpu_type __mxc_cpu_type
89 # else
90 #  define mxc_cpu_type MXC_CPU_MX27
91 # endif
92 # define cpu_is_mx27()		(mxc_cpu_type == MXC_CPU_MX27)
93 #else
94 # define cpu_is_mx27()		(0)
95 #endif
96 
97 #ifdef CONFIG_SOC_IMX31
98 # ifdef mxc_cpu_type
99 #  undef mxc_cpu_type
100 #  define mxc_cpu_type __mxc_cpu_type
101 # else
102 #  define mxc_cpu_type MXC_CPU_MX31
103 # endif
104 # define cpu_is_mx31()		(mxc_cpu_type == MXC_CPU_MX31)
105 #else
106 # define cpu_is_mx31()		(0)
107 #endif
108 
109 #ifdef CONFIG_SOC_IMX35
110 # ifdef mxc_cpu_type
111 #  undef mxc_cpu_type
112 #  define mxc_cpu_type __mxc_cpu_type
113 # else
114 #  define mxc_cpu_type MXC_CPU_MX35
115 # endif
116 # define cpu_is_mx35()		(mxc_cpu_type == MXC_CPU_MX35)
117 #else
118 # define cpu_is_mx35()		(0)
119 #endif
120 
121 #ifdef CONFIG_SOC_IMX51
122 # ifdef mxc_cpu_type
123 #  undef mxc_cpu_type
124 #  define mxc_cpu_type __mxc_cpu_type
125 # else
126 #  define mxc_cpu_type MXC_CPU_MX51
127 # endif
128 # define cpu_is_mx51()		(mxc_cpu_type == MXC_CPU_MX51)
129 #else
130 # define cpu_is_mx51()		(0)
131 #endif
132 
133 #ifdef CONFIG_SOC_IMX53
134 # ifdef mxc_cpu_type
135 #  undef mxc_cpu_type
136 #  define mxc_cpu_type __mxc_cpu_type
137 # else
138 #  define mxc_cpu_type MXC_CPU_MX53
139 # endif
140 # define cpu_is_mx53()		(mxc_cpu_type == MXC_CPU_MX53)
141 #else
142 # define cpu_is_mx53()		(0)
143 #endif
144 
145 #ifndef __ASSEMBLY__
146 #ifdef CONFIG_SOC_IMX6SL
147 static inline bool cpu_is_imx6sl(void)
148 {
149 	return __mxc_cpu_type == MXC_CPU_IMX6SL;
150 }
151 #else
152 static inline bool cpu_is_imx6sl(void)
153 {
154 	return false;
155 }
156 #endif
157 
158 static inline bool cpu_is_imx6dl(void)
159 {
160 	return __mxc_cpu_type == MXC_CPU_IMX6DL;
161 }
162 
163 static inline bool cpu_is_imx6sx(void)
164 {
165 	return __mxc_cpu_type == MXC_CPU_IMX6SX;
166 }
167 
168 static inline bool cpu_is_imx6q(void)
169 {
170 	return __mxc_cpu_type == MXC_CPU_IMX6Q;
171 }
172 
173 static inline bool cpu_is_imx7d(void)
174 {
175 	return __mxc_cpu_type == MXC_CPU_IMX7D;
176 }
177 
178 struct cpu_op {
179 	u32 cpu_rate;
180 };
181 
182 int tzic_enable_wake(void);
183 
184 extern struct cpu_op *(*get_cpu_op)(int *op);
185 #endif
186 
187 #define cpu_is_mx3()	(cpu_is_mx31() || cpu_is_mx35())
188 #define cpu_is_mx2()	(cpu_is_mx21() || cpu_is_mx27())
189 
190 #endif /*  __ASM_ARCH_MXC_H__ */
191