1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (C) 2016 Freescale Semiconductor, Inc. 4 * Copyright 2017-2019, 2021 NXP 5 * 6 * Peng Fan <peng.fan@nxp.com> 7 */ 8 9 #include <config.h> 10 #include <console.h> 11 #include <io.h> 12 #include <imx.h> 13 #include <mm/core_mmu.h> 14 #include <mm/core_memprot.h> 15 #include <platform_config.h> 16 17 #define SOC_TYPE(reg) (((reg) & (0x00FF0000)) >> 16) 18 #define SOC_REV_MAJOR(reg) (((reg) & (0x0000FF00)) >> 8) 19 #define SOC_REV_MINOR(reg) ((reg) & (0x0000000F)) 20 #define SOC_REV_MINOR_MX7(reg) ((reg) & (0x000000FF)) 21 22 static uint32_t imx_digprog; 23 24 #ifdef ANATOP_BASE 25 uint32_t imx_get_digprog(void) 26 { 27 vaddr_t addr = 0; 28 29 if (imx_digprog) 30 return imx_digprog; 31 32 addr = core_mmu_get_va(ANATOP_BASE, MEM_AREA_IO_SEC, 0x1000); 33 if (!addr) 34 return 0; 35 36 imx_digprog = io_read32(addr + DIGPROG_OFFSET); 37 38 #ifdef CFG_MX8MQ 39 /* 40 * On the i.MX8MQ, the minor revision number must be updated to make 41 * the difference between B0 chip and the newer chips. 42 */ 43 addr = core_mmu_get_va(OCOTP_BASE, MEM_AREA_IO_SEC, OCOTP_SIZE); 44 if (!addr) 45 return 0; 46 47 if (io_read32(addr + OCOTP_SW_INFO_B1) == OCOTP_SW_MAGIC_B1) 48 imx_digprog |= BIT32(0); 49 #endif /* CFG_MX8MQ */ 50 51 return imx_digprog; 52 } 53 #else /* ANATOP_BASE */ 54 uint32_t imx_get_digprog(void) 55 { 56 if (imx_digprog) 57 return imx_digprog; 58 59 if (IS_ENABLED(CFG_MX7ULP)) 60 imx_digprog = SOC_MX7ULP << 16; 61 else if (IS_ENABLED(CFG_MX8QX)) 62 imx_digprog = SOC_MX8QX << 16; 63 else if (IS_ENABLED(CFG_MX8QM)) 64 imx_digprog = SOC_MX8QM << 16; 65 else if (IS_ENABLED(CFG_MX8DXL)) 66 imx_digprog = SOC_MX8DXL << 16; 67 else if (IS_ENABLED(CFG_MX8ULP)) 68 imx_digprog = SOC_MX8ULP << 16; 69 70 return imx_digprog; 71 } 72 #endif /* ANATOP_BASE */ 73 74 uint32_t imx_soc_rev_major(void) 75 { 76 if (imx_digprog == 0) 77 imx_get_digprog(); 78 79 return SOC_REV_MAJOR(imx_digprog); 80 } 81 82 uint32_t imx_soc_rev_minor(void) 83 { 84 if (imx_digprog == 0) 85 imx_get_digprog(); 86 87 if (IS_ENABLED(CFG_MX7)) 88 return SOC_REV_MINOR_MX7(imx_digprog); 89 else 90 return SOC_REV_MINOR(imx_digprog); 91 } 92 93 uint32_t imx_soc_type(void) 94 { 95 if (imx_digprog == 0) 96 imx_get_digprog(); 97 98 return SOC_TYPE(imx_digprog); 99 } 100 101 bool soc_is_imx6sl(void) 102 { 103 return imx_soc_type() == SOC_MX6SL; 104 } 105 106 bool soc_is_imx6sll(void) 107 { 108 return imx_soc_type() == SOC_MX6SLL; 109 } 110 111 bool soc_is_imx6sx(void) 112 { 113 return imx_soc_type() == SOC_MX6SX; 114 } 115 116 bool soc_is_imx6ul(void) 117 { 118 return imx_soc_type() == SOC_MX6UL; 119 } 120 121 bool soc_is_imx6ull(void) 122 { 123 return imx_soc_type() == SOC_MX6ULL; 124 } 125 126 bool soc_is_imx6sdl(void) 127 { 128 return imx_soc_type() == SOC_MX6DL; 129 } 130 131 bool soc_is_imx6dq(void) 132 { 133 return (imx_soc_type() == SOC_MX6Q) && (imx_soc_rev_major() == 0); 134 } 135 136 bool soc_is_imx6dqp(void) 137 { 138 return (imx_soc_type() == SOC_MX6Q) && (imx_soc_rev_major() == 1); 139 } 140 141 bool soc_is_imx6(void) 142 { 143 uint32_t soc = imx_soc_type(); 144 145 return (soc == SOC_MX6SLL) || (soc == SOC_MX6SL) || 146 (soc == SOC_MX6D) || (soc == SOC_MX6SX) || 147 (soc == SOC_MX6UL) || (soc == SOC_MX6ULL) || 148 (soc == SOC_MX6DL) || (soc == SOC_MX6Q); 149 } 150 151 bool soc_is_imx7ds(void) 152 { 153 return imx_soc_type() == SOC_MX7D; 154 } 155 156 bool soc_is_imx7ulp(void) 157 { 158 return imx_soc_type() == SOC_MX7ULP; 159 } 160 161 bool soc_is_imx8mq(void) 162 { 163 return imx_soc_type() == SOC_MX8M && imx_soc_rev_major() == 0x40; 164 } 165 166 bool soc_is_imx8mm(void) 167 { 168 return imx_soc_type() == SOC_MX8M && imx_soc_rev_major() == 0x41; 169 } 170 171 bool soc_is_imx8mn(void) 172 { 173 return imx_soc_type() == SOC_MX8M && imx_soc_rev_major() == 0x42; 174 } 175 176 bool soc_is_imx8mp(void) 177 { 178 return imx_soc_type() == SOC_MX8M && imx_soc_rev_major() == 0x43; 179 } 180 181 bool soc_is_imx8m(void) 182 { 183 return soc_is_imx8mq() || soc_is_imx8mm() || soc_is_imx8mn() || 184 soc_is_imx8mp(); 185 } 186 187 bool soc_is_imx8mq_b0_layer(void) 188 { 189 if (soc_is_imx8mq() && imx_soc_rev_minor() == 0x0) 190 return true; 191 else 192 return false; 193 } 194