1 /*
2 * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <assert.h>
8
9 #include <platform_def.h>
10
11 #include <common/bl_common.h>
12 #include <common/debug.h>
13 #include <drivers/console.h>
14 #include <drivers/generic_delay_timer.h>
15 #include <drivers/ti/uart/uart_16550.h>
16 #include <lib/mmio.h>
17 #include <plat_private.h>
18 #include <plat/common/platform.h>
19
20 static entry_point_info_t bl32_ep_info;
21 static entry_point_info_t bl33_ep_info;
22
23 /*******************************************************************************
24 * Return a pointer to the 'entry_point_info' structure of the next image for
25 * the security state specified. BL33 corresponds to the non-secure image type
26 * while BL32 corresponds to the secure image type. A NULL pointer is returned
27 * if the image does not exist.
28 ******************************************************************************/
bl31_plat_get_next_image_ep_info(uint32_t type)29 entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
30 {
31 entry_point_info_t *next_image_info;
32
33 next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info;
34
35 /* None of the images on this platform can have 0x0 as the entrypoint */
36 if (next_image_info->pc)
37 return next_image_info;
38 else
39 return NULL;
40 }
41
42 #pragma weak params_early_setup
params_early_setup(u_register_t plat_param_from_bl2)43 void params_early_setup(u_register_t plat_param_from_bl2)
44 {
45 }
46
47 /*******************************************************************************
48 * Perform any BL3-1 early platform setup. Here is an opportunity to copy
49 * parameters passed by the calling EL (S-EL1 in BL2 & EL3 in BL1) before they
50 * are lost (potentially). This needs to be done before the MMU is initialized
51 * so that the memory layout can be used while creating page tables.
52 * BL2 has flushed this information to memory, so we are guaranteed to pick up
53 * good data.
54 ******************************************************************************/
bl31_early_platform_setup2(u_register_t arg0,u_register_t arg1,u_register_t arg2,u_register_t arg3)55 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
56 u_register_t arg2, u_register_t arg3)
57 {
58 static console_t console;
59 struct rockchip_bl31_params *arg_from_bl2 = (struct rockchip_bl31_params *) arg0;
60
61 params_early_setup(arg1);
62
63 if (rockchip_get_uart_base() != 0)
64 console_16550_register(rockchip_get_uart_base(),
65 rockchip_get_uart_clock(),
66 rockchip_get_uart_baudrate(), &console);
67
68 VERBOSE("bl31_setup\n");
69
70 /* Passing a NULL context is a critical programming error */
71 assert(arg_from_bl2);
72
73 assert(arg_from_bl2->h.type == PARAM_BL31);
74 assert(arg_from_bl2->h.version >= VERSION_1);
75
76 bl32_ep_info = *arg_from_bl2->bl32_ep_info;
77 bl33_ep_info = *arg_from_bl2->bl33_ep_info;
78 }
79
80 /*******************************************************************************
81 * Perform any BL3-1 platform setup code
82 ******************************************************************************/
bl31_platform_setup(void)83 void bl31_platform_setup(void)
84 {
85 generic_delay_timer_init();
86 plat_rockchip_soc_init();
87
88 /* Initialize the gic cpu and distributor interfaces */
89 plat_rockchip_gic_driver_init();
90 plat_rockchip_gic_init();
91 plat_rockchip_pmu_init();
92 }
93
94 /*******************************************************************************
95 * Perform the very early platform specific architectural setup here. At the
96 * moment this is only intializes the mmu in a quick and dirty way.
97 ******************************************************************************/
bl31_plat_arch_setup(void)98 void bl31_plat_arch_setup(void)
99 {
100 plat_cci_init();
101 plat_cci_enable();
102 plat_configure_mmu_el3(BL_CODE_BASE,
103 BL_COHERENT_RAM_END - BL_CODE_BASE,
104 BL_CODE_BASE,
105 BL_CODE_END,
106 BL_COHERENT_RAM_BASE,
107 BL_COHERENT_RAM_END);
108 }
109