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__
cpu_is_imx6dl(void)155 static inline bool cpu_is_imx6dl(void)
156 {
157 return __mxc_cpu_type == MXC_CPU_IMX6DL;
158 }
159
cpu_is_imx6q(void)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