1 /* 2 * Copyright 2021-2024 NXP 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <assert.h> 8 #include <stdbool.h> 9 10 #include <arch_helpers.h> 11 #include <common/bl_common.h> 12 #include <common/debug.h> 13 #include <context.h> 14 #include <drivers/console.h> 15 #include <drivers/generic_delay_timer.h> 16 #include <lib/el3_runtime/context_mgmt.h> 17 #include <lib/mmio.h> 18 #include <lib/xlat_tables/xlat_tables_v2.h> 19 #include <plat/common/platform.h> 20 #include <platform_def.h> 21 22 #include <imx8_lpuart.h> 23 #include <imx8ulp_caam.h> 24 #include <imx_plat_common.h> 25 #include <plat_imx8.h> 26 #include <upower_api.h> 27 #include <xrdc.h> 28 29 #define MAP_BL31_TOTAL \ 30 MAP_REGION_FLAT(BL31_BASE, BL31_LIMIT - BL31_BASE, MT_MEMORY | MT_RW | MT_SECURE) 31 #define MAP_BL31_RO \ 32 MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE, MT_MEMORY | MT_RO | MT_SECURE) 33 #define MAP_BL32_TOTAL MAP_REGION_FLAT(BL32_BASE, BL32_SIZE, MT_MEMORY | MT_RW) 34 #define MAP_COHERENT_MEM \ 35 MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, (BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE), \ 36 MT_DEVICE | MT_RW | MT_SECURE) 37 38 static const mmap_region_t imx_mmap[] = { 39 DEVICE0_MAP, DEVICE1_MAP, ELE_MAP, 40 SEC_SIM_MAP, SRAM0_MAP, 41 {0} 42 }; 43 44 extern uint32_t upower_init(void); 45 extern void imx8ulp_init_scmi_server(void); 46 47 static entry_point_info_t bl32_image_ep_info; 48 static entry_point_info_t bl33_image_ep_info; 49 50 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, 51 u_register_t arg2, u_register_t arg3) 52 { 53 static console_t console; 54 55 /* config the TPM5 clock */ 56 mmio_write_32(IMX_PCC3_BASE + 0xd0, 0x92000000); 57 mmio_write_32(IMX_PCC3_BASE + 0xd0, 0xd2000000); 58 59 /* enable the GPIO D,E,F non-secure access by default */ 60 mmio_write_32(IMX_PCC4_BASE + 0x78, 0xc0000000); 61 mmio_write_32(IMX_PCC4_BASE + 0x7c, 0xc0000000); 62 mmio_write_32(IMX_PCC5_BASE + 0x114, 0xc0000000); 63 64 mmio_write_32(IMX_GPIOE_BASE + 0x10, 0xffffffff); 65 mmio_write_32(IMX_GPIOE_BASE + 0x14, 0x3); 66 mmio_write_32(IMX_GPIOE_BASE + 0x18, 0xffffffff); 67 mmio_write_32(IMX_GPIOE_BASE + 0x1c, 0x3); 68 69 mmio_write_32(IMX_GPIOF_BASE + 0x10, 0xffffffff); 70 mmio_write_32(IMX_GPIOF_BASE + 0x14, 0x3); 71 mmio_write_32(IMX_GPIOF_BASE + 0x18, 0xffffffff); 72 mmio_write_32(IMX_GPIOF_BASE + 0x1c, 0x3); 73 74 mmio_write_32(IMX_GPIOD_BASE + 0x10, 0xffffffff); 75 mmio_write_32(IMX_GPIOD_BASE + 0x14, 0x3); 76 mmio_write_32(IMX_GPIOD_BASE + 0x18, 0xffffffff); 77 mmio_write_32(IMX_GPIOD_BASE + 0x1c, 0x3); 78 79 console_lpuart_register(IMX_LPUART_BASE, IMX_BOOT_UART_CLK_IN_HZ, 80 IMX_CONSOLE_BAUDRATE, &console); 81 82 /* This console is only used for boot stage */ 83 console_set_scope(&console, CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME); 84 85 bl33_image_ep_info.pc = PLAT_NS_IMAGE_OFFSET; 86 bl33_image_ep_info.spsr = plat_get_spsr_for_bl33_entry(); 87 SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE); 88 89 #if defined(SPD_opteed) 90 /* Populate entry point information for BL32 */ 91 SET_PARAM_HEAD(&bl32_image_ep_info, PARAM_EP, VERSION_1, 0); 92 SET_SECURITY_STATE(bl32_image_ep_info.h.attr, SECURE); 93 bl32_image_ep_info.pc = BL32_BASE; 94 bl32_image_ep_info.spsr = 0; 95 96 /* Pass TEE base and size to bl33 */ 97 bl33_image_ep_info.args.arg1 = BL32_BASE; 98 bl33_image_ep_info.args.arg2 = BL32_SIZE; 99 100 /* Make sure memory is clean */ 101 mmio_write_32(BL32_FDT_OVERLAY_ADDR, 0); 102 bl33_image_ep_info.args.arg3 = BL32_FDT_OVERLAY_ADDR; 103 bl32_image_ep_info.args.arg3 = BL32_FDT_OVERLAY_ADDR; 104 #endif 105 } 106 107 void bl31_plat_arch_setup(void) 108 { 109 const mmap_region_t bl_regions[] = { 110 MAP_BL31_TOTAL, 111 MAP_BL31_RO, 112 #if USE_COHERENT_MEM 113 MAP_COHERENT_MEM, 114 #endif 115 #if (defined(SPD_opteed) 116 MAP_BL32_TOTAL, 117 #endif 118 {0}, 119 }; 120 121 setup_page_tables(bl_regions, imx_mmap); 122 enable_mmu_el3(0); 123 124 /* TODO: Hack, refine this piece, scmi channel free */ 125 mmio_write_32(SRAM0_BASE + 0x4, 1); 126 127 /* Allow M core to reset A core */ 128 mmio_clrbits_32(IMX_MU0B_BASE + 0x10, BIT(2)); 129 } 130 131 void bl31_platform_setup(void) 132 { 133 /* select the arch timer source */ 134 mmio_setbits_32(IMX_SIM1_BASE + 0x30, 0x8000000); 135 136 generic_delay_timer_init(); 137 138 plat_gic_driver_init(); 139 plat_gic_init(); 140 141 imx8ulp_init_scmi_server(); 142 upower_init(); 143 144 xrdc_apply_apd_config(); 145 xrdc_apply_lpav_config(); 146 xrdc_enable(); 147 148 imx8ulp_caam_init(); 149 } 150 151 entry_point_info_t *bl31_plat_get_next_image_ep_info(unsigned int type) 152 { 153 if (type == NON_SECURE) { 154 return &bl33_image_ep_info; 155 } else { 156 return &bl32_image_ep_info; 157 } 158 } 159 160 unsigned int plat_get_syscnt_freq2(void) 161 { 162 return COUNTER_FREQUENCY; 163 } 164 165 void bl31_plat_runtime_setup(void) 166 { 167 } 168