1 /*
2  * Copyright 2021 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 <common/desc_image_load.h>
14 #include <common/tbbr/tbbr_img_def.h>
15 #include <context.h>
16 #include <drivers/arm/tzc380.h>
17 #include <drivers/console.h>
18 #include <drivers/generic_delay_timer.h>
19 #include <drivers/mmc.h>
20 #include <lib/el3_runtime/context_mgmt.h>
21 #include <lib/mmio.h>
22 #include <lib/optee_utils.h>
23 #include <lib/xlat_tables/xlat_tables_v2.h>
24 
25 #include <imx8m_caam.h>
26 #include "imx8mp_private.h"
27 #include <imx_aipstz.h>
28 #include <imx_rdc.h>
29 #include <imx_uart.h>
30 #include <plat/common/platform.h>
31 #include <plat_imx8.h>
32 #include <platform_def.h>
33 
34 
35 static const struct aipstz_cfg aipstz[] = {
36 	{IMX_AIPSTZ1, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
37 	{IMX_AIPSTZ2, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
38 	{IMX_AIPSTZ3, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
39 	{IMX_AIPSTZ4, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
40 	{0},
41 };
42 
bl2_el3_early_platform_setup(u_register_t arg0,u_register_t arg1,u_register_t arg2,u_register_t arg3)43 void bl2_el3_early_platform_setup(u_register_t arg0, u_register_t arg1,
44 		u_register_t arg2, u_register_t arg3)
45 {
46 	static console_t console;
47 	unsigned int i;
48 
49 	/* Enable CSU NS access permission */
50 	for (i = 0U; i < 64; i++) {
51 		mmio_write_32(IMX_CSU_BASE + i * 4, 0x00ff00ff);
52 	}
53 
54 	imx_aipstz_init(aipstz);
55 
56 	console_imx_uart_register(IMX_BOOT_UART_BASE, IMX_BOOT_UART_CLK_IN_HZ,
57 		IMX_CONSOLE_BAUDRATE, &console);
58 
59 	generic_delay_timer_init();
60 
61 	/* select the CKIL source to 32K OSC */
62 	mmio_write_32(IMX_ANAMIX_BASE + ANAMIX_MISC_CTL, 0x1);
63 
64 	/* Open handles to a FIP image */
65 	plat_imx_io_setup();
66 }
67 
bl2_el3_plat_arch_setup(void)68 void bl2_el3_plat_arch_setup(void)
69 {
70 }
71 
bl2_platform_setup(void)72 void bl2_platform_setup(void)
73 {
74 }
75 
bl2_plat_handle_post_image_load(unsigned int image_id)76 int bl2_plat_handle_post_image_load(unsigned int image_id)
77 {
78 	int err = 0;
79 	bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id);
80 	bl_mem_params_node_t *pager_mem_params = NULL;
81 	bl_mem_params_node_t *paged_mem_params = NULL;
82 
83 	assert(bl_mem_params);
84 
85 	switch (image_id) {
86 	case BL32_IMAGE_ID:
87 		pager_mem_params = get_bl_mem_params_node(BL32_EXTRA1_IMAGE_ID);
88 		assert(pager_mem_params);
89 
90 		paged_mem_params = get_bl_mem_params_node(BL32_EXTRA2_IMAGE_ID);
91 		assert(paged_mem_params);
92 
93 		err = parse_optee_header(&bl_mem_params->ep_info,
94 					 &pager_mem_params->image_info,
95 					 &paged_mem_params->image_info);
96 		if (err != 0) {
97 			WARN("OPTEE header parse error.\n");
98 		}
99 
100 		break;
101 	default:
102 		/* Do nothing in default case */
103 		break;
104 	}
105 
106 	return err;
107 }
108 
plat_get_syscnt_freq2(void)109 unsigned int plat_get_syscnt_freq2(void)
110 {
111 	return COUNTER_FREQUENCY;
112 }
113 
bl2_plat_runtime_setup(void)114 void bl2_plat_runtime_setup(void)
115 {
116 	return;
117 }
118