1 /* 2 * Copyright (c) 2017-2021, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <assert.h> 8 #include <errno.h> 9 #include <string.h> 10 11 #include <platform_def.h> 12 13 #include <arch_helpers.h> 14 #include <common/bl_common.h> 15 #include <common/debug.h> 16 #include <common/tbbr/tbbr_img_def.h> 17 #include <drivers/arm/pl011.h> 18 #include <drivers/arm/pl061_gpio.h> 19 #include <drivers/generic_delay_timer.h> 20 #include <drivers/mmc.h> 21 #include <drivers/synopsys/dw_mmc.h> 22 #include <lib/mmio.h> 23 #include <plat/common/platform.h> 24 25 #include "hi3798cv200.h" 26 #include "plat_private.h" 27 28 /* Data structure which holds the extents of the trusted RAM for BL1 */ 29 static meminfo_t bl1_tzram_layout; 30 static meminfo_t bl2_tzram_layout; 31 static console_t console; 32 33 #if !POPLAR_RECOVERY 34 static struct mmc_device_info mmc_info; 35 #endif 36 37 /* 38 * Cannot use default weak implementation in bl1_main.c because BL1 RW data is 39 * not at the top of the secure memory. 40 */ 41 int bl1_plat_handle_post_image_load(unsigned int image_id) 42 { 43 image_desc_t *image_desc; 44 entry_point_info_t *ep_info; 45 46 if (image_id != BL2_IMAGE_ID) 47 return 0; 48 49 /* Get the image descriptor */ 50 image_desc = bl1_plat_get_image_desc(BL2_IMAGE_ID); 51 assert(image_desc != NULL); 52 53 /* Get the entry point info */ 54 ep_info = &image_desc->ep_info; 55 56 bl2_tzram_layout.total_base = BL2_BASE; 57 bl2_tzram_layout.total_size = BL32_LIMIT - BL2_BASE; 58 59 flush_dcache_range((uintptr_t)&bl2_tzram_layout, sizeof(meminfo_t)); 60 61 ep_info->args.arg1 = (uintptr_t)&bl2_tzram_layout; 62 63 VERBOSE("BL1: BL2 memory layout address = %p\n", 64 (void *)&bl2_tzram_layout); 65 66 return 0; 67 } 68 69 void bl1_early_platform_setup(void) 70 { 71 /* Initialize the console to provide early debug support */ 72 console_pl011_register(PL011_UART0_BASE, PL011_UART0_CLK_IN_HZ, 73 PL011_BAUDRATE, &console); 74 75 /* Allow BL1 to see the whole Trusted RAM */ 76 bl1_tzram_layout.total_base = BL1_RW_BASE; 77 bl1_tzram_layout.total_size = BL1_RW_SIZE; 78 79 INFO("BL1: 0x%lx - 0x%lx [size = %zu]\n", BL1_RAM_BASE, BL1_RAM_LIMIT, 80 BL1_RAM_LIMIT - BL1_RAM_BASE); 81 } 82 83 void bl1_plat_arch_setup(void) 84 { 85 plat_configure_mmu_el3(bl1_tzram_layout.total_base, 86 bl1_tzram_layout.total_size, 87 BL1_RO_BASE, /* l-loader and BL1 ROM */ 88 BL1_RO_LIMIT, 89 BL_COHERENT_RAM_BASE, 90 BL_COHERENT_RAM_END); 91 } 92 93 void bl1_platform_setup(void) 94 { 95 int i; 96 #if !POPLAR_RECOVERY 97 dw_mmc_params_t params = EMMC_INIT_PARAMS(POPLAR_EMMC_DESC_BASE); 98 #endif 99 100 generic_delay_timer_init(); 101 102 pl061_gpio_init(); 103 for (i = 0; i < GPIO_MAX; i++) 104 pl061_gpio_register(GPIO_BASE(i), i); 105 106 #if !POPLAR_RECOVERY 107 /* SoC-specific emmc register are initialized/configured by bootrom */ 108 INFO("BL1: initializing emmc\n"); 109 mmc_info.mmc_dev_type = MMC_IS_EMMC; 110 dw_mmc_init(¶ms, &mmc_info); 111 #endif 112 113 plat_io_setup(); 114 } 115 116 unsigned int bl1_plat_get_next_image_id(void) 117 { 118 return BL2_IMAGE_ID; 119 } 120