xref: /openbmc/linux/arch/arm/mach-imx/mxc.h (revision e23feb16)
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_MX51		51
36 #define MXC_CPU_MX53		53
37 #define MXC_CPU_IMX6DL		0x61
38 #define MXC_CPU_IMX6Q		0x63
39 
40 #define IMX_CHIP_REVISION_1_0		0x10
41 #define IMX_CHIP_REVISION_1_1		0x11
42 #define IMX_CHIP_REVISION_1_2		0x12
43 #define IMX_CHIP_REVISION_1_3		0x13
44 #define IMX_CHIP_REVISION_2_0		0x20
45 #define IMX_CHIP_REVISION_2_1		0x21
46 #define IMX_CHIP_REVISION_2_2		0x22
47 #define IMX_CHIP_REVISION_2_3		0x23
48 #define IMX_CHIP_REVISION_3_0		0x30
49 #define IMX_CHIP_REVISION_3_1		0x31
50 #define IMX_CHIP_REVISION_3_2		0x32
51 #define IMX_CHIP_REVISION_3_3		0x33
52 #define IMX_CHIP_REVISION_UNKNOWN	0xff
53 
54 #ifndef __ASSEMBLY__
55 extern unsigned int __mxc_cpu_type;
56 #endif
57 
58 #ifdef CONFIG_SOC_IMX1
59 # ifdef mxc_cpu_type
60 #  undef mxc_cpu_type
61 #  define mxc_cpu_type __mxc_cpu_type
62 # else
63 #  define mxc_cpu_type MXC_CPU_MX1
64 # endif
65 # define cpu_is_mx1()		(mxc_cpu_type == MXC_CPU_MX1)
66 #else
67 # define cpu_is_mx1()		(0)
68 #endif
69 
70 #ifdef CONFIG_SOC_IMX21
71 # ifdef mxc_cpu_type
72 #  undef mxc_cpu_type
73 #  define mxc_cpu_type __mxc_cpu_type
74 # else
75 #  define mxc_cpu_type MXC_CPU_MX21
76 # endif
77 # define cpu_is_mx21()		(mxc_cpu_type == MXC_CPU_MX21)
78 #else
79 # define cpu_is_mx21()		(0)
80 #endif
81 
82 #ifdef CONFIG_SOC_IMX25
83 # ifdef mxc_cpu_type
84 #  undef mxc_cpu_type
85 #  define mxc_cpu_type __mxc_cpu_type
86 # else
87 #  define mxc_cpu_type MXC_CPU_MX25
88 # endif
89 # define cpu_is_mx25()		(mxc_cpu_type == MXC_CPU_MX25)
90 #else
91 # define cpu_is_mx25()		(0)
92 #endif
93 
94 #ifdef CONFIG_SOC_IMX27
95 # ifdef mxc_cpu_type
96 #  undef mxc_cpu_type
97 #  define mxc_cpu_type __mxc_cpu_type
98 # else
99 #  define mxc_cpu_type MXC_CPU_MX27
100 # endif
101 # define cpu_is_mx27()		(mxc_cpu_type == MXC_CPU_MX27)
102 #else
103 # define cpu_is_mx27()		(0)
104 #endif
105 
106 #ifdef CONFIG_SOC_IMX31
107 # ifdef mxc_cpu_type
108 #  undef mxc_cpu_type
109 #  define mxc_cpu_type __mxc_cpu_type
110 # else
111 #  define mxc_cpu_type MXC_CPU_MX31
112 # endif
113 # define cpu_is_mx31()		(mxc_cpu_type == MXC_CPU_MX31)
114 #else
115 # define cpu_is_mx31()		(0)
116 #endif
117 
118 #ifdef CONFIG_SOC_IMX35
119 # ifdef mxc_cpu_type
120 #  undef mxc_cpu_type
121 #  define mxc_cpu_type __mxc_cpu_type
122 # else
123 #  define mxc_cpu_type MXC_CPU_MX35
124 # endif
125 # define cpu_is_mx35()		(mxc_cpu_type == MXC_CPU_MX35)
126 #else
127 # define cpu_is_mx35()		(0)
128 #endif
129 
130 #ifdef CONFIG_SOC_IMX51
131 # ifdef mxc_cpu_type
132 #  undef mxc_cpu_type
133 #  define mxc_cpu_type __mxc_cpu_type
134 # else
135 #  define mxc_cpu_type MXC_CPU_MX51
136 # endif
137 # define cpu_is_mx51()		(mxc_cpu_type == MXC_CPU_MX51)
138 #else
139 # define cpu_is_mx51()		(0)
140 #endif
141 
142 #ifdef CONFIG_SOC_IMX53
143 # ifdef mxc_cpu_type
144 #  undef mxc_cpu_type
145 #  define mxc_cpu_type __mxc_cpu_type
146 # else
147 #  define mxc_cpu_type MXC_CPU_MX53
148 # endif
149 # define cpu_is_mx53()		(mxc_cpu_type == MXC_CPU_MX53)
150 #else
151 # define cpu_is_mx53()		(0)
152 #endif
153 
154 #ifndef __ASSEMBLY__
155 static inline bool cpu_is_imx6dl(void)
156 {
157 	return __mxc_cpu_type == MXC_CPU_IMX6DL;
158 }
159 
160 static inline bool cpu_is_imx6q(void)
161 {
162 	return __mxc_cpu_type == MXC_CPU_IMX6Q;
163 }
164 
165 struct cpu_op {
166 	u32 cpu_rate;
167 };
168 
169 int tzic_enable_wake(void);
170 
171 extern struct cpu_op *(*get_cpu_op)(int *op);
172 #endif
173 
174 #define cpu_is_mx3()	(cpu_is_mx31() || cpu_is_mx35())
175 #define cpu_is_mx2()	(cpu_is_mx21() || cpu_is_mx27())
176 
177 #endif /*  __ASM_ARCH_MXC_H__ */
178