xref: /openbmc/linux/arch/arm/mach-imx/mxc.h (revision 50f2de61)
1 /*
2  * Copyright 2004-2007, 2010 Freescale Semiconductor, Inc. All Rights Reserved.
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_MX50		50
36 #define MXC_CPU_MX51		51
37 #define MXC_CPU_MX53		53
38 
39 #define IMX_CHIP_REVISION_1_0		0x10
40 #define IMX_CHIP_REVISION_1_1		0x11
41 #define IMX_CHIP_REVISION_1_2		0x12
42 #define IMX_CHIP_REVISION_1_3		0x13
43 #define IMX_CHIP_REVISION_2_0		0x20
44 #define IMX_CHIP_REVISION_2_1		0x21
45 #define IMX_CHIP_REVISION_2_2		0x22
46 #define IMX_CHIP_REVISION_2_3		0x23
47 #define IMX_CHIP_REVISION_3_0		0x30
48 #define IMX_CHIP_REVISION_3_1		0x31
49 #define IMX_CHIP_REVISION_3_2		0x32
50 #define IMX_CHIP_REVISION_3_3		0x33
51 #define IMX_CHIP_REVISION_UNKNOWN	0xff
52 
53 #ifndef __ASSEMBLY__
54 extern unsigned int __mxc_cpu_type;
55 #endif
56 
57 #ifdef CONFIG_SOC_IMX1
58 # ifdef mxc_cpu_type
59 #  undef mxc_cpu_type
60 #  define mxc_cpu_type __mxc_cpu_type
61 # else
62 #  define mxc_cpu_type MXC_CPU_MX1
63 # endif
64 # define cpu_is_mx1()		(mxc_cpu_type == MXC_CPU_MX1)
65 #else
66 # define cpu_is_mx1()		(0)
67 #endif
68 
69 #ifdef CONFIG_SOC_IMX21
70 # ifdef mxc_cpu_type
71 #  undef mxc_cpu_type
72 #  define mxc_cpu_type __mxc_cpu_type
73 # else
74 #  define mxc_cpu_type MXC_CPU_MX21
75 # endif
76 # define cpu_is_mx21()		(mxc_cpu_type == MXC_CPU_MX21)
77 #else
78 # define cpu_is_mx21()		(0)
79 #endif
80 
81 #ifdef CONFIG_SOC_IMX25
82 # ifdef mxc_cpu_type
83 #  undef mxc_cpu_type
84 #  define mxc_cpu_type __mxc_cpu_type
85 # else
86 #  define mxc_cpu_type MXC_CPU_MX25
87 # endif
88 # define cpu_is_mx25()		(mxc_cpu_type == MXC_CPU_MX25)
89 #else
90 # define cpu_is_mx25()		(0)
91 #endif
92 
93 #ifdef CONFIG_SOC_IMX27
94 # ifdef mxc_cpu_type
95 #  undef mxc_cpu_type
96 #  define mxc_cpu_type __mxc_cpu_type
97 # else
98 #  define mxc_cpu_type MXC_CPU_MX27
99 # endif
100 # define cpu_is_mx27()		(mxc_cpu_type == MXC_CPU_MX27)
101 #else
102 # define cpu_is_mx27()		(0)
103 #endif
104 
105 #ifdef CONFIG_SOC_IMX31
106 # ifdef mxc_cpu_type
107 #  undef mxc_cpu_type
108 #  define mxc_cpu_type __mxc_cpu_type
109 # else
110 #  define mxc_cpu_type MXC_CPU_MX31
111 # endif
112 # define cpu_is_mx31()		(mxc_cpu_type == MXC_CPU_MX31)
113 #else
114 # define cpu_is_mx31()		(0)
115 #endif
116 
117 #ifdef CONFIG_SOC_IMX35
118 # ifdef mxc_cpu_type
119 #  undef mxc_cpu_type
120 #  define mxc_cpu_type __mxc_cpu_type
121 # else
122 #  define mxc_cpu_type MXC_CPU_MX35
123 # endif
124 # define cpu_is_mx35()		(mxc_cpu_type == MXC_CPU_MX35)
125 #else
126 # define cpu_is_mx35()		(0)
127 #endif
128 
129 #ifdef CONFIG_SOC_IMX50
130 # ifdef mxc_cpu_type
131 #  undef mxc_cpu_type
132 #  define mxc_cpu_type __mxc_cpu_type
133 # else
134 #  define mxc_cpu_type MXC_CPU_MX50
135 # endif
136 # define cpu_is_mx50()		(mxc_cpu_type == MXC_CPU_MX50)
137 #else
138 # define cpu_is_mx50()		(0)
139 #endif
140 
141 #ifdef CONFIG_SOC_IMX51
142 # ifdef mxc_cpu_type
143 #  undef mxc_cpu_type
144 #  define mxc_cpu_type __mxc_cpu_type
145 # else
146 #  define mxc_cpu_type MXC_CPU_MX51
147 # endif
148 # define cpu_is_mx51()		(mxc_cpu_type == MXC_CPU_MX51)
149 #else
150 # define cpu_is_mx51()		(0)
151 #endif
152 
153 #ifdef CONFIG_SOC_IMX53
154 # ifdef mxc_cpu_type
155 #  undef mxc_cpu_type
156 #  define mxc_cpu_type __mxc_cpu_type
157 # else
158 #  define mxc_cpu_type MXC_CPU_MX53
159 # endif
160 # define cpu_is_mx53()		(mxc_cpu_type == MXC_CPU_MX53)
161 #else
162 # define cpu_is_mx53()		(0)
163 #endif
164 
165 #ifndef __ASSEMBLY__
166 
167 struct cpu_op {
168 	u32 cpu_rate;
169 };
170 
171 int tzic_enable_wake(void);
172 
173 extern struct cpu_op *(*get_cpu_op)(int *op);
174 #endif
175 
176 #define cpu_is_mx3()	(cpu_is_mx31() || cpu_is_mx35())
177 #define cpu_is_mx2()	(cpu_is_mx21() || cpu_is_mx27())
178 
179 #endif /*  __ASM_ARCH_MXC_H__ */
180