1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (c) 2014, Allwinner Technology Co., Ltd. 4 * Copyright (c) 2018, Linaro Limited 5 * Copyright (c) 2018, Amit Singh Tomar <amittomer25@gmail.com> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright notice, 15 * this list of conditions and the following disclaimer in the documentation 16 * and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <console.h> 32 #include <io.h> 33 #include <stdint.h> 34 #include <drivers/gic.h> 35 #include <drivers/serial8250_uart.h> 36 #include <drivers/tzc380.h> 37 #include <kernel/boot.h> 38 #include <kernel/misc.h> 39 #include <kernel/panic.h> 40 #include <kernel/tz_ssvce_def.h> 41 #include <mm/core_mmu.h> 42 #include <mm/core_memprot.h> 43 #include <mm/tee_pager.h> 44 #include <platform_config.h> 45 #include <sm/optee_smc.h> 46 47 #ifdef GIC_BASE 48 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GIC_BASE, CORE_MMU_PGDIR_SIZE); 49 #endif 50 51 #ifdef CONSOLE_UART_BASE 52 register_phys_mem_pgdir(MEM_AREA_IO_NSEC, 53 CONSOLE_UART_BASE, SUNXI_UART_REG_SIZE); 54 #endif 55 56 #ifdef SUNXI_TZPC_BASE 57 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SUNXI_TZPC_BASE, SUNXI_TZPC_REG_SIZE); 58 #define REG_TZPC_SMTA_DECPORT0_STA_REG (0x0004) 59 #define REG_TZPC_SMTA_DECPORT0_SET_REG (0x0008) 60 #define REG_TZPC_SMTA_DECPORT0_CLR_REG (0x000C) 61 #define REG_TZPC_SMTA_DECPORT1_STA_REG (0x0010) 62 #define REG_TZPC_SMTA_DECPORT1_SET_REG (0x0014) 63 #define REG_TZPC_SMTA_DECPORT1_CLR_REG (0x0018) 64 #define REG_TZPC_SMTA_DECPORT2_STA_REG (0x001c) 65 #define REG_TZPC_SMTA_DECPORT2_SET_REG (0x0020) 66 #define REG_TZPC_SMTA_DECPORT2_CLR_REG (0x0024) 67 #endif 68 69 #ifdef SUNXI_CPUCFG_BASE 70 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SUNXI_CPUCFG_BASE, 71 SUNXI_CPUCFG_REG_SIZE); 72 #endif 73 74 #ifdef SUNXI_PRCM_BASE 75 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SUNXI_PRCM_BASE, SUNXI_PRCM_REG_SIZE); 76 #endif 77 78 #ifdef CFG_TZC380 79 vaddr_t smc_base(void); 80 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SUNXI_SMC_BASE, TZC400_REG_SIZE); 81 #define SMC_MASTER_BYPASS 0x18 82 #define SMC_MASTER_BYPASS_EN_MASK 0x1 83 #endif 84 85 #ifdef GIC_BASE 86 static struct gic_data gic_data; 87 #endif 88 #ifdef SUNXI_TZPC_BASE 89 static void tzpc_init(void); 90 #endif 91 92 static struct serial8250_uart_data console_data; 93 94 void console_init(void) 95 { 96 serial8250_uart_init(&console_data, 97 CONSOLE_UART_BASE, 98 CONSOLE_UART_CLK_IN_HZ, 99 CONSOLE_BAUDRATE); 100 register_serial_console(&console_data.chip); 101 } 102 103 #ifdef SUNXI_TZPC_BASE 104 static void tzpc_init(void) 105 { 106 vaddr_t v = (vaddr_t)phys_to_virt(SUNXI_TZPC_BASE, MEM_AREA_IO_SEC, 107 SUNXI_TZPC_REG_SIZE); 108 109 DMSG("SMTA_DECPORT0=%x", io_read32(v + REG_TZPC_SMTA_DECPORT0_STA_REG)); 110 DMSG("SMTA_DECPORT1=%x", io_read32(v + REG_TZPC_SMTA_DECPORT1_STA_REG)); 111 DMSG("SMTA_DECPORT2=%x", io_read32(v + REG_TZPC_SMTA_DECPORT2_STA_REG)); 112 113 /* Allow all peripherals for normal world */ 114 io_write32(v + REG_TZPC_SMTA_DECPORT0_SET_REG, 0xbe); 115 io_write32(v + REG_TZPC_SMTA_DECPORT1_SET_REG, 0xff); 116 io_write32(v + REG_TZPC_SMTA_DECPORT2_SET_REG, 0x7f); 117 118 DMSG("SMTA_DECPORT0=%x", io_read32(v + REG_TZPC_SMTA_DECPORT0_STA_REG)); 119 DMSG("SMTA_DECPORT1=%x", io_read32(v + REG_TZPC_SMTA_DECPORT1_STA_REG)); 120 DMSG("SMTA_DECPORT2=%x", io_read32(v + REG_TZPC_SMTA_DECPORT2_STA_REG)); 121 } 122 #else 123 static inline void tzpc_init(void) 124 { 125 } 126 #endif /* SUNXI_TZPC_BASE */ 127 128 #ifndef CFG_WITH_ARM_TRUSTED_FW 129 void main_init_gic(void) 130 { 131 gic_init(&gic_data, GIC_BASE + GICC_OFFSET, GIC_BASE + GICD_OFFSET); 132 itr_init(&gic_data.chip); 133 } 134 135 void main_secondary_init_gic(void) 136 { 137 gic_cpu_init(&gic_data); 138 } 139 #endif 140 141 #ifdef ARM32 142 void plat_primary_init_early(void) 143 { 144 assert(!cpu_mmu_enabled()); 145 146 tzpc_init(); 147 } 148 #endif 149 150 /* 151 * Allwinner's A64 has TZC380 like controller called SMC that can 152 * be programmed to protect parts of DRAM from non-secure world. 153 */ 154 #ifdef CFG_TZC380 155 vaddr_t smc_base(void) 156 { 157 return (vaddr_t)phys_to_virt(SUNXI_SMC_BASE, MEM_AREA_IO_SEC, 158 TZC400_REG_SIZE); 159 } 160 161 static TEE_Result smc_init(void) 162 { 163 vaddr_t base = smc_base(); 164 165 if (!base) { 166 EMSG("smc not mapped"); 167 panic(); 168 } 169 170 tzc_init(base); 171 tzc_configure_region(0, 0x0, TZC_ATTR_REGION_SIZE(TZC_REGION_SIZE_1G) | 172 TZC_ATTR_REGION_EN_MASK | TZC_ATTR_SP_ALL); 173 tzc_configure_region(1, 0x0, TZC_ATTR_REGION_SIZE(TZC_REGION_SIZE_32M) | 174 TZC_ATTR_REGION_EN_MASK | TZC_ATTR_SP_S_RW); 175 176 /* SoC specific bits */ 177 io_clrbits32(base + SMC_MASTER_BYPASS, SMC_MASTER_BYPASS_EN_MASK); 178 179 return TEE_SUCCESS; 180 } 181 182 driver_init(smc_init); 183 #endif /* CFG_TZC380 */ 184