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_IMX6SL 0x60 38 #define MXC_CPU_IMX6DL 0x61 39 #define MXC_CPU_IMX6SX 0x62 40 #define MXC_CPU_IMX6Q 0x63 41 42 #define IMX_CHIP_REVISION_1_0 0x10 43 #define IMX_CHIP_REVISION_1_1 0x11 44 #define IMX_CHIP_REVISION_1_2 0x12 45 #define IMX_CHIP_REVISION_1_3 0x13 46 #define IMX_CHIP_REVISION_1_4 0x14 47 #define IMX_CHIP_REVISION_1_5 0x15 48 #define IMX_CHIP_REVISION_2_0 0x20 49 #define IMX_CHIP_REVISION_2_1 0x21 50 #define IMX_CHIP_REVISION_2_2 0x22 51 #define IMX_CHIP_REVISION_2_3 0x23 52 #define IMX_CHIP_REVISION_3_0 0x30 53 #define IMX_CHIP_REVISION_3_1 0x31 54 #define IMX_CHIP_REVISION_3_2 0x32 55 #define IMX_CHIP_REVISION_3_3 0x33 56 #define IMX_CHIP_REVISION_UNKNOWN 0xff 57 58 #define IMX_DDR_TYPE_LPDDR2 1 59 60 #ifndef __ASSEMBLY__ 61 extern unsigned int __mxc_cpu_type; 62 #endif 63 64 #ifdef CONFIG_SOC_IMX1 65 # ifdef mxc_cpu_type 66 # undef mxc_cpu_type 67 # define mxc_cpu_type __mxc_cpu_type 68 # else 69 # define mxc_cpu_type MXC_CPU_MX1 70 # endif 71 # define cpu_is_mx1() (mxc_cpu_type == MXC_CPU_MX1) 72 #else 73 # define cpu_is_mx1() (0) 74 #endif 75 76 #ifdef CONFIG_SOC_IMX21 77 # ifdef mxc_cpu_type 78 # undef mxc_cpu_type 79 # define mxc_cpu_type __mxc_cpu_type 80 # else 81 # define mxc_cpu_type MXC_CPU_MX21 82 # endif 83 # define cpu_is_mx21() (mxc_cpu_type == MXC_CPU_MX21) 84 #else 85 # define cpu_is_mx21() (0) 86 #endif 87 88 #ifdef CONFIG_SOC_IMX25 89 # ifdef mxc_cpu_type 90 # undef mxc_cpu_type 91 # define mxc_cpu_type __mxc_cpu_type 92 # else 93 # define mxc_cpu_type MXC_CPU_MX25 94 # endif 95 # define cpu_is_mx25() (mxc_cpu_type == MXC_CPU_MX25) 96 #else 97 # define cpu_is_mx25() (0) 98 #endif 99 100 #ifdef CONFIG_SOC_IMX27 101 # ifdef mxc_cpu_type 102 # undef mxc_cpu_type 103 # define mxc_cpu_type __mxc_cpu_type 104 # else 105 # define mxc_cpu_type MXC_CPU_MX27 106 # endif 107 # define cpu_is_mx27() (mxc_cpu_type == MXC_CPU_MX27) 108 #else 109 # define cpu_is_mx27() (0) 110 #endif 111 112 #ifdef CONFIG_SOC_IMX31 113 # ifdef mxc_cpu_type 114 # undef mxc_cpu_type 115 # define mxc_cpu_type __mxc_cpu_type 116 # else 117 # define mxc_cpu_type MXC_CPU_MX31 118 # endif 119 # define cpu_is_mx31() (mxc_cpu_type == MXC_CPU_MX31) 120 #else 121 # define cpu_is_mx31() (0) 122 #endif 123 124 #ifdef CONFIG_SOC_IMX35 125 # ifdef mxc_cpu_type 126 # undef mxc_cpu_type 127 # define mxc_cpu_type __mxc_cpu_type 128 # else 129 # define mxc_cpu_type MXC_CPU_MX35 130 # endif 131 # define cpu_is_mx35() (mxc_cpu_type == MXC_CPU_MX35) 132 #else 133 # define cpu_is_mx35() (0) 134 #endif 135 136 #ifdef CONFIG_SOC_IMX51 137 # ifdef mxc_cpu_type 138 # undef mxc_cpu_type 139 # define mxc_cpu_type __mxc_cpu_type 140 # else 141 # define mxc_cpu_type MXC_CPU_MX51 142 # endif 143 # define cpu_is_mx51() (mxc_cpu_type == MXC_CPU_MX51) 144 #else 145 # define cpu_is_mx51() (0) 146 #endif 147 148 #ifdef CONFIG_SOC_IMX53 149 # ifdef mxc_cpu_type 150 # undef mxc_cpu_type 151 # define mxc_cpu_type __mxc_cpu_type 152 # else 153 # define mxc_cpu_type MXC_CPU_MX53 154 # endif 155 # define cpu_is_mx53() (mxc_cpu_type == MXC_CPU_MX53) 156 #else 157 # define cpu_is_mx53() (0) 158 #endif 159 160 #ifndef __ASSEMBLY__ 161 #ifdef CONFIG_SOC_IMX6SL 162 static inline bool cpu_is_imx6sl(void) 163 { 164 return __mxc_cpu_type == MXC_CPU_IMX6SL; 165 } 166 #else 167 static inline bool cpu_is_imx6sl(void) 168 { 169 return false; 170 } 171 #endif 172 173 static inline bool cpu_is_imx6dl(void) 174 { 175 return __mxc_cpu_type == MXC_CPU_IMX6DL; 176 } 177 178 static inline bool cpu_is_imx6sx(void) 179 { 180 return __mxc_cpu_type == MXC_CPU_IMX6SX; 181 } 182 183 static inline bool cpu_is_imx6q(void) 184 { 185 return __mxc_cpu_type == MXC_CPU_IMX6Q; 186 } 187 188 struct cpu_op { 189 u32 cpu_rate; 190 }; 191 192 int tzic_enable_wake(void); 193 194 extern struct cpu_op *(*get_cpu_op)(int *op); 195 #endif 196 197 #define cpu_is_mx3() (cpu_is_mx31() || cpu_is_mx35()) 198 #define cpu_is_mx2() (cpu_is_mx21() || cpu_is_mx27()) 199 200 #endif /* __ASM_ARCH_MXC_H__ */ 201