xref: /optee_os/core/arch/arm/plat-marvell/main.c (revision 8e81e2f5366a971afdd2ac47fb8529d1def5feb0)
1 /*
2  * Copyright (C) 2017 Marvell International Ltd.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  * this list of conditions and the following disclaimer in the documentation
13  * and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include <arm.h>
29 #include <console.h>
30 #include <drivers/gic.h>
31 #include <drivers/serial8250_uart.h>
32 #include <keep.h>
33 #include <kernel/generic_boot.h>
34 #include <kernel/pm_stubs.h>
35 #include <kernel/misc.h>
36 #include <kernel/panic.h>
37 #include <kernel/tee_time.h>
38 #include <mm/core_memprot.h>
39 #include <mm/core_mmu.h>
40 #include <platform_config.h>
41 #include <stdint.h>
42 #include <string.h>
43 #include <tee/entry_fast.h>
44 #include <tee/entry_std.h>
45 
46 static void main_fiq(void);
47 
48 static const struct thread_handlers handlers = {
49 	.std_smc = tee_entry_std,
50 	.fast_smc = tee_entry_fast,
51 	.nintr = main_fiq,
52 	.cpu_on = cpu_on_handler,
53 	.cpu_off = pm_do_nothing,
54 	.cpu_suspend = pm_do_nothing,
55 	.cpu_resume = pm_do_nothing,
56 	.system_off = pm_do_nothing,
57 	.system_reset = pm_do_nothing,
58 };
59 
60 static struct gic_data gic_data;
61 static struct serial8250_uart_data console_data;
62 
63 const struct thread_handlers *generic_boot_get_handlers(void)
64 {
65 	return &handlers;
66 }
67 
68 register_phys_mem(MEM_AREA_IO_SEC, CONSOLE_UART_BASE, CORE_MMU_DEVICE_SIZE);
69 
70 #ifdef GIC_BASE
71 register_phys_mem(MEM_AREA_IO_SEC, GICD_BASE, CORE_MMU_DEVICE_SIZE);
72 register_phys_mem(MEM_AREA_IO_SEC, GICC_BASE, CORE_MMU_DEVICE_SIZE);
73 
74 void main_init_gic(void)
75 {
76 	vaddr_t gicc_base;
77 	vaddr_t gicd_base;
78 
79 	gicc_base = (vaddr_t)phys_to_virt(GIC_BASE + GICC_OFFSET,
80 					  MEM_AREA_IO_SEC);
81 	gicd_base = (vaddr_t)phys_to_virt(GIC_BASE + GICD_OFFSET,
82 					  MEM_AREA_IO_SEC);
83 	if (!gicc_base || !gicd_base)
84 		panic();
85 
86 	gic_init_base_addr(&gic_data, gicc_base, gicd_base);
87 
88 	itr_init(&gic_data.chip);
89 }
90 #endif
91 
92 static void main_fiq(void)
93 {
94 	gic_it_handle(&gic_data);
95 }
96 
97 void console_init(void)
98 {
99 	serial8250_uart_init(&console_data, CONSOLE_UART_BASE,
100 		CONSOLE_UART_CLK_IN_HZ, CONSOLE_BAUDRATE);
101 	register_serial_console(&console_data.chip);
102 }
103