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 68 return imx_digprog; 69 } 70 #endif /* ANATOP_BASE */ 71 72 uint32_t imx_soc_rev_major(void) 73 { 74 if (imx_digprog == 0) 75 imx_get_digprog(); 76 77 return SOC_REV_MAJOR(imx_digprog); 78 } 79 80 uint32_t imx_soc_rev_minor(void) 81 { 82 if (imx_digprog == 0) 83 imx_get_digprog(); 84 85 if (IS_ENABLED(CFG_MX7)) 86 return SOC_REV_MINOR_MX7(imx_digprog); 87 else 88 return SOC_REV_MINOR(imx_digprog); 89 } 90 91 uint32_t imx_soc_type(void) 92 { 93 if (imx_digprog == 0) 94 imx_get_digprog(); 95 96 return SOC_TYPE(imx_digprog); 97 } 98 99 bool soc_is_imx6sl(void) 100 { 101 return imx_soc_type() == SOC_MX6SL; 102 } 103 104 bool soc_is_imx6sll(void) 105 { 106 return imx_soc_type() == SOC_MX6SLL; 107 } 108 109 bool soc_is_imx6sx(void) 110 { 111 return imx_soc_type() == SOC_MX6SX; 112 } 113 114 bool soc_is_imx6ul(void) 115 { 116 return imx_soc_type() == SOC_MX6UL; 117 } 118 119 bool soc_is_imx6ull(void) 120 { 121 return imx_soc_type() == SOC_MX6ULL; 122 } 123 124 bool soc_is_imx6sdl(void) 125 { 126 return imx_soc_type() == SOC_MX6DL; 127 } 128 129 bool soc_is_imx6dq(void) 130 { 131 return (imx_soc_type() == SOC_MX6Q) && (imx_soc_rev_major() == 0); 132 } 133 134 bool soc_is_imx6dqp(void) 135 { 136 return (imx_soc_type() == SOC_MX6Q) && (imx_soc_rev_major() == 1); 137 } 138 139 bool soc_is_imx6(void) 140 { 141 return ((imx_soc_type() == SOC_MX6SX) || 142 (imx_soc_type() == SOC_MX6UL) || 143 (imx_soc_type() == SOC_MX6ULL) || 144 (imx_soc_type() == SOC_MX6DL) || 145 (imx_soc_type() == SOC_MX6Q)); 146 } 147 148 bool soc_is_imx7ds(void) 149 { 150 return imx_soc_type() == SOC_MX7D; 151 } 152 153 bool soc_is_imx7ulp(void) 154 { 155 return imx_soc_type() == SOC_MX7ULP; 156 } 157 158 bool soc_is_imx8mq(void) 159 { 160 return imx_soc_type() == SOC_MX8M && imx_soc_rev_major() == 0x40; 161 } 162 163 bool soc_is_imx8mm(void) 164 { 165 return imx_soc_type() == SOC_MX8M && imx_soc_rev_major() == 0x41; 166 } 167 168 bool soc_is_imx8mn(void) 169 { 170 return imx_soc_type() == SOC_MX8M && imx_soc_rev_major() == 0x42; 171 } 172 173 bool soc_is_imx8mp(void) 174 { 175 return imx_soc_type() == SOC_MX8M && imx_soc_rev_major() == 0x43; 176 } 177 178 bool soc_is_imx8m(void) 179 { 180 return soc_is_imx8mq() || soc_is_imx8mm() || soc_is_imx8mn() || 181 soc_is_imx8mp(); 182 } 183 184 bool soc_is_imx8mq_b0_layer(void) 185 { 186 if (soc_is_imx8mq() && imx_soc_rev_minor() == 0x0) 187 return true; 188 else 189 return false; 190 } 191