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 anatop_addr = core_mmu_get_va(ANATOP_BASE, MEM_AREA_IO_SEC); 29 30 if (!anatop_addr) 31 return; 32 33 digprog = io_read32(anatop_addr + DIGPROG_OFFSET); 34 35 /* Set the CPU type */ 36 imx_cpu_type = CPU_TYPE(digprog); 37 38 #ifdef CFG_MX7 39 imx_soc_revision = digprog & 0xFF; 40 #else 41 /* Set the SOC revision: = (Major + 1)[11:4] | (Minor[3:0]) */ 42 imx_soc_revision = 43 (SOC_REV_MAJOR(digprog) << 4) | SOC_REV_MINOR(digprog); 44 #endif 45 } 46 47 static uint32_t imx_soc_rev_major(void) 48 { 49 if (imx_soc_revision < 0) 50 imx_digproc(); 51 52 return imx_soc_revision >> 4; 53 } 54 55 static uint32_t imx_soc_type(void) 56 { 57 if (imx_cpu_type < 0) 58 imx_digproc(); 59 60 return imx_cpu_type; 61 } 62 63 bool soc_is_imx6sl(void) 64 { 65 return imx_soc_type() == SOC_MX6SL; 66 } 67 68 bool soc_is_imx6sll(void) 69 { 70 return imx_soc_type() == SOC_MX6SLL; 71 } 72 73 bool soc_is_imx6sx(void) 74 { 75 return imx_soc_type() == SOC_MX6SX; 76 } 77 78 bool soc_is_imx6ul(void) 79 { 80 return imx_soc_type() == SOC_MX6UL; 81 } 82 83 bool soc_is_imx6ull(void) 84 { 85 return imx_soc_type() == SOC_MX6ULL; 86 } 87 88 bool soc_is_imx6sdl(void) 89 { 90 return imx_soc_type() == SOC_MX6DL; 91 } 92 93 bool soc_is_imx6dq(void) 94 { 95 return (imx_soc_type() == SOC_MX6Q) && (imx_soc_rev_major() == 1); 96 } 97 98 bool soc_is_imx6dqp(void) 99 { 100 return (imx_soc_type() == SOC_MX6Q) && (imx_soc_rev_major() == 2); 101 } 102 103 bool soc_is_imx6(void) 104 { 105 return ((imx_soc_type() == SOC_MX6SX) || 106 (imx_soc_type() == SOC_MX6UL) || 107 (imx_soc_type() == SOC_MX6ULL) || 108 (imx_soc_type() == SOC_MX6DL) || 109 (imx_soc_type() == SOC_MX6Q)); 110 } 111 112 bool soc_is_imx7ds(void) 113 { 114 return imx_soc_type() == SOC_MX7D; 115 } 116 117