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 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 90 void bl31_plat_arch_setup(void) 91 { 92 const mmap_region_t bl_regions[] = { 93 MAP_BL31_TOTAL, 94 MAP_BL31_RO, 95 #if USE_COHERENT_MEM 96 MAP_COHERENT_MEM, 97 #endif 98 {0}, 99 }; 100 101 setup_page_tables(bl_regions, imx_mmap); 102 enable_mmu_el3(0); 103 104 /* TODO: Hack, refine this piece, scmi channel free */ 105 mmio_write_32(SRAM0_BASE + 0x4, 1); 106 107 /* Allow M core to reset A core */ 108 mmio_clrbits_32(IMX_MU0B_BASE + 0x10, BIT(2)); 109 } 110 111 void bl31_platform_setup(void) 112 { 113 /* select the arch timer source */ 114 mmio_setbits_32(IMX_SIM1_BASE + 0x30, 0x8000000); 115 116 generic_delay_timer_init(); 117 118 plat_gic_driver_init(); 119 plat_gic_init(); 120 121 imx8ulp_init_scmi_server(); 122 upower_init(); 123 124 xrdc_apply_apd_config(); 125 xrdc_apply_lpav_config(); 126 xrdc_enable(); 127 128 imx8ulp_caam_init(); 129 } 130 131 entry_point_info_t *bl31_plat_get_next_image_ep_info(unsigned int type) 132 { 133 if (type == NON_SECURE) { 134 return &bl33_image_ep_info; 135 } else { 136 return &bl32_image_ep_info; 137 } 138 } 139 140 unsigned int plat_get_syscnt_freq2(void) 141 { 142 return COUNTER_FREQUENCY; 143 } 144 145 void bl31_plat_runtime_setup(void) 146 { 147 } 148