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1 /*
2  * Copyright (c) 2017-2018, 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_pl011_t console;
32 
33 /*
34  * Cannot use default weak implementation in bl1_main.c because BL1 RW data is
35  * not at the top of the secure memory.
36  */
bl1_plat_handle_post_image_load(unsigned int image_id)37 int bl1_plat_handle_post_image_load(unsigned int image_id)
38 {
39 	image_desc_t *image_desc;
40 	entry_point_info_t *ep_info;
41 
42 	if (image_id != BL2_IMAGE_ID)
43 		return 0;
44 
45 	/* Get the image descriptor */
46 	image_desc = bl1_plat_get_image_desc(BL2_IMAGE_ID);
47 	assert(image_desc != NULL);
48 
49 	/* Get the entry point info */
50 	ep_info = &image_desc->ep_info;
51 
52 	bl2_tzram_layout.total_base = BL2_BASE;
53 	bl2_tzram_layout.total_size = BL32_LIMIT - BL2_BASE;
54 
55 	flush_dcache_range((uintptr_t)&bl2_tzram_layout, sizeof(meminfo_t));
56 
57 	ep_info->args.arg1 = (uintptr_t)&bl2_tzram_layout;
58 
59 	VERBOSE("BL1: BL2 memory layout address = %p\n",
60 		(void *)&bl2_tzram_layout);
61 
62 	return 0;
63 }
64 
bl1_early_platform_setup(void)65 void bl1_early_platform_setup(void)
66 {
67 	/* Initialize the console to provide early debug support */
68 	console_pl011_register(PL011_UART0_BASE, PL011_UART0_CLK_IN_HZ,
69 			       PL011_BAUDRATE, &console);
70 
71 	/* Allow BL1 to see the whole Trusted RAM */
72 	bl1_tzram_layout.total_base = BL1_RW_BASE;
73 	bl1_tzram_layout.total_size = BL1_RW_SIZE;
74 
75 	INFO("BL1: 0x%lx - 0x%lx [size = %zu]\n", BL1_RAM_BASE, BL1_RAM_LIMIT,
76 	     BL1_RAM_LIMIT - BL1_RAM_BASE);
77 }
78 
bl1_plat_arch_setup(void)79 void bl1_plat_arch_setup(void)
80 {
81 	plat_configure_mmu_el3(bl1_tzram_layout.total_base,
82 			       bl1_tzram_layout.total_size,
83 			       BL1_RO_BASE, /* l-loader and BL1 ROM */
84 			       BL1_RO_LIMIT,
85 			       BL_COHERENT_RAM_BASE,
86 			       BL_COHERENT_RAM_END);
87 }
88 
bl1_platform_setup(void)89 void bl1_platform_setup(void)
90 {
91 	int i;
92 #if !POPLAR_RECOVERY
93 	struct mmc_device_info info;
94 	dw_mmc_params_t params = EMMC_INIT_PARAMS(POPLAR_EMMC_DESC_BASE);
95 #endif
96 
97 	generic_delay_timer_init();
98 
99 	pl061_gpio_init();
100 	for (i = 0; i < GPIO_MAX; i++)
101 		pl061_gpio_register(GPIO_BASE(i), i);
102 
103 #if !POPLAR_RECOVERY
104 	/* SoC-specific emmc register are initialized/configured by bootrom */
105 	INFO("BL1: initializing emmc\n");
106 	info.mmc_dev_type = MMC_IS_EMMC;
107 	dw_mmc_init(&params, &info);
108 #endif
109 
110 	plat_io_setup();
111 }
112 
bl1_plat_get_next_image_id(void)113 unsigned int bl1_plat_get_next_image_id(void)
114 {
115 	return BL2_IMAGE_ID;
116 }
117