imx: define functions to configure chip selects in the WEIM
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / plat-mxc / include / mach / mxc.h
blob800ae2a33b159d15556f0cdfb0199e7d200ef349
1 /*
2 * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
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.
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.
20 #ifndef __ASM_ARCH_MXC_H__
21 #define __ASM_ARCH_MXC_H__
23 #ifndef __ASM_ARCH_MXC_HARDWARE_H__
24 #error "Do not include directly."
25 #endif
27 #define MXC_CPU_MX1 1
28 #define MXC_CPU_MX21 21
29 #define MXC_CPU_MX25 25
30 #define MXC_CPU_MX27 27
31 #define MXC_CPU_MX31 31
32 #define MXC_CPU_MX35 35
33 #define MXC_CPU_MXC91231 91231
35 #ifndef __ASSEMBLY__
36 extern unsigned int __mxc_cpu_type;
37 #endif
39 #ifdef CONFIG_ARCH_MX1
40 # ifdef mxc_cpu_type
41 # undef mxc_cpu_type
42 # define mxc_cpu_type __mxc_cpu_type
43 # else
44 # define mxc_cpu_type MXC_CPU_MX1
45 # endif
46 # define cpu_is_mx1() (mxc_cpu_type == MXC_CPU_MX1)
47 #else
48 # define cpu_is_mx1() (0)
49 #endif
51 #ifdef CONFIG_MACH_MX21
52 # ifdef mxc_cpu_type
53 # undef mxc_cpu_type
54 # define mxc_cpu_type __mxc_cpu_type
55 # else
56 # define mxc_cpu_type MXC_CPU_MX21
57 # endif
58 # define cpu_is_mx21() (mxc_cpu_type == MXC_CPU_MX21)
59 #else
60 # define cpu_is_mx21() (0)
61 #endif
63 #ifdef CONFIG_ARCH_MX25
64 # ifdef mxc_cpu_type
65 # undef mxc_cpu_type
66 # define mxc_cpu_type __mxc_cpu_type
67 # else
68 # define mxc_cpu_type MXC_CPU_MX25
69 # endif
70 # define cpu_is_mx25() (mxc_cpu_type == MXC_CPU_MX25)
71 #else
72 # define cpu_is_mx25() (0)
73 #endif
75 #ifdef CONFIG_MACH_MX27
76 # ifdef mxc_cpu_type
77 # undef mxc_cpu_type
78 # define mxc_cpu_type __mxc_cpu_type
79 # else
80 # define mxc_cpu_type MXC_CPU_MX27
81 # endif
82 # define cpu_is_mx27() (mxc_cpu_type == MXC_CPU_MX27)
83 #else
84 # define cpu_is_mx27() (0)
85 #endif
87 #ifdef CONFIG_ARCH_MX31
88 # ifdef mxc_cpu_type
89 # undef mxc_cpu_type
90 # define mxc_cpu_type __mxc_cpu_type
91 # else
92 # define mxc_cpu_type MXC_CPU_MX31
93 # endif
94 # define cpu_is_mx31() (mxc_cpu_type == MXC_CPU_MX31)
95 #else
96 # define cpu_is_mx31() (0)
97 #endif
99 #ifdef CONFIG_ARCH_MX35
100 # ifdef mxc_cpu_type
101 # undef mxc_cpu_type
102 # define mxc_cpu_type __mxc_cpu_type
103 # else
104 # define mxc_cpu_type MXC_CPU_MX35
105 # endif
106 # define cpu_is_mx35() (mxc_cpu_type == MXC_CPU_MX35)
107 #else
108 # define cpu_is_mx35() (0)
109 #endif
111 #ifdef CONFIG_ARCH_MXC91231
112 # ifdef mxc_cpu_type
113 # undef mxc_cpu_type
114 # define mxc_cpu_type __mxc_cpu_type
115 # else
116 # define mxc_cpu_type MXC_CPU_MXC91231
117 # endif
118 # define cpu_is_mxc91231() (mxc_cpu_type == MXC_CPU_MXC91231)
119 #else
120 # define cpu_is_mxc91231() (0)
121 #endif
123 #if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX2)
124 /* These are deprecated, use mx[23][157]_setup_weimcs instead. */
125 #define CSCR_U(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10))
126 #define CSCR_L(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x4))
127 #define CSCR_A(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x8))
128 #endif
130 #define cpu_is_mx3() (cpu_is_mx31() || cpu_is_mx35() || cpu_is_mxc91231())
131 #define cpu_is_mx2() (cpu_is_mx21() || cpu_is_mx27())
133 #endif /* __ASM_ARCH_MXC_H__ */