1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (C) 2016 Freescale Semiconductor, Inc. 4 * Copyright 2017-2019 NXP 5 * 6 * Peng Fan <peng.fan@nxp.com> 7 */ 8 9 #include <console.h> 10 #include <io.h> 11 #include <imx.h> 12 #include <mm/core_mmu.h> 13 #include <mm/core_memprot.h> 14 #include <platform_config.h> 15 16 static int imx_cpu_type = -1; 17 static int imx_soc_revision = -1; 18 19 #define CPU_TYPE(reg) ((reg & 0x00FF0000) >> 16) 20 #define SOC_REV_MAJOR(reg) (((reg & 0x0000FF00) >> 8) + 1) 21 #define SOC_REV_MINOR(reg) (reg & 0x0000000F) 22 23 static void imx_digproc(void) 24 { 25 uint32_t digprog = 0; 26 vaddr_t __maybe_unused anatop_addr = 0; 27 28 #ifdef CFG_MX7ULP 29 digprog = SOC_MX7ULP << 16; 30 #else 31 anatop_addr = core_mmu_get_va(ANATOP_BASE, MEM_AREA_IO_SEC); 32 33 if (!anatop_addr) 34 return; 35 36 digprog = io_read32(anatop_addr + DIGPROG_OFFSET); 37 #endif 38 /* Set the CPU type */ 39 imx_cpu_type = CPU_TYPE(digprog); 40 41 #ifdef CFG_MX7 42 imx_soc_revision = digprog & 0xFF; 43 #else 44 /* Set the SOC revision: = (Major + 1)[11:4] | (Minor[3:0]) */ 45 imx_soc_revision = 46 (SOC_REV_MAJOR(digprog) << 4) | SOC_REV_MINOR(digprog); 47 #endif 48 } 49 50 static uint32_t imx_soc_rev_major(void) 51 { 52 if (imx_soc_revision < 0) 53 imx_digproc(); 54 55 return imx_soc_revision >> 4; 56 } 57 58 static uint32_t imx_soc_type(void) 59 { 60 if (imx_cpu_type < 0) 61 imx_digproc(); 62 63 return imx_cpu_type; 64 } 65 66 bool soc_is_imx6sl(void) 67 { 68 return imx_soc_type() == SOC_MX6SL; 69 } 70 71 bool soc_is_imx6sll(void) 72 { 73 return imx_soc_type() == SOC_MX6SLL; 74 } 75 76 bool soc_is_imx6sx(void) 77 { 78 return imx_soc_type() == SOC_MX6SX; 79 } 80 81 bool soc_is_imx6ul(void) 82 { 83 return imx_soc_type() == SOC_MX6UL; 84 } 85 86 bool soc_is_imx6ull(void) 87 { 88 return imx_soc_type() == SOC_MX6ULL; 89 } 90 91 bool soc_is_imx6sdl(void) 92 { 93 return imx_soc_type() == SOC_MX6DL; 94 } 95 96 bool soc_is_imx6dq(void) 97 { 98 return (imx_soc_type() == SOC_MX6Q) && (imx_soc_rev_major() == 1); 99 } 100 101 bool soc_is_imx6dqp(void) 102 { 103 return (imx_soc_type() == SOC_MX6Q) && (imx_soc_rev_major() == 2); 104 } 105 106 bool soc_is_imx6(void) 107 { 108 return ((imx_soc_type() == SOC_MX6SX) || 109 (imx_soc_type() == SOC_MX6UL) || 110 (imx_soc_type() == SOC_MX6ULL) || 111 (imx_soc_type() == SOC_MX6DL) || 112 (imx_soc_type() == SOC_MX6Q)); 113 } 114 115 bool soc_is_imx7ds(void) 116 { 117 return imx_soc_type() == SOC_MX7D; 118 } 119 120 bool soc_is_imx7ulp(void) 121 { 122 return imx_soc_type() == SOC_MX7ULP; 123 } 124