2 * Copyright (c) 2014-2016, STMicroelectronics International N.V.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
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.
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.
30 #include <drivers/gic.h>
31 #include <drivers/stih_asc.h>
33 #include <kernel/generic_boot.h>
34 #include <kernel/misc.h>
35 #include <kernel/panic.h>
36 #include <kernel/pm_stubs.h>
37 #include <kernel/tz_ssvce_pl310.h>
38 #include <mm/core_mmu.h>
39 #include <mm/core_memprot.h>
40 #include <platform_config.h>
42 #include <tee/entry_std.h>
43 #include <tee/entry_fast.h>
47 register_phys_mem(MEM_AREA_IO_SEC, CPU_IOMEM_BASE, CORE_MMU_DEVICE_SIZE);
48 register_phys_mem(MEM_AREA_IO_SEC, RNG_BASE, CORE_MMU_DEVICE_SIZE);
49 register_phys_mem(MEM_AREA_IO_NSEC, UART_CONSOLE_BASE, CORE_MMU_DEVICE_SIZE);
51 static struct gic_data gic_data;
52 static struct stih_asc_pd console_data __early_bss;
54 static void main_fiq(void);
56 #if defined(PLATFORM_FLAVOR_b2260)
57 #define stm_tee_entry_std tee_entry_std
58 static bool ns_resources_ready(void)
63 /* some nonsecure resource might not be ready (uart) */
64 static int boot_is_completed __early_bss;
65 static bool ns_resources_ready(void)
67 return !!boot_is_completed;
69 static void stm_tee_entry_std(struct thread_smc_args *smc_args)
71 boot_is_completed = 1;
72 tee_entry_std(smc_args);
76 static const struct thread_handlers handlers = {
77 .std_smc = stm_tee_entry_std,
78 .fast_smc = tee_entry_fast,
82 .cpu_suspend = pm_panic,
83 .cpu_resume = pm_panic,
84 .system_off = pm_panic,
85 .system_reset = pm_panic,
88 const struct thread_handlers *generic_boot_get_handlers(void)
93 void console_init(void)
95 stih_asc_init(&console_data, UART_CONSOLE_BASE);
98 void console_putc(int ch)
101 if (ns_resources_ready()) {
102 struct serial_chip *cons = &console_data.chip;
105 cons->ops->putc(cons, '\r');
106 cons->ops->putc(cons, ch);
110 void console_flush(void)
112 if (ns_resources_ready()) {
113 struct serial_chip *cons = &console_data.chip;
115 cons->ops->flush(cons);
119 vaddr_t pl310_base(void)
121 static void *va __early_bss;
123 if (cpu_mmu_enabled()) {
125 va = phys_to_virt(PL310_BASE, MEM_AREA_IO_SEC);
131 void arm_cl2_config(vaddr_t pl310)
134 write32(0, pl310 + PL310_CTRL);
137 write32(PL310_TAG_RAM_CTRL_INIT, pl310 + PL310_TAG_RAM_CTRL);
138 write32(PL310_DATA_RAM_CTRL_INIT, pl310 + PL310_DATA_RAM_CTRL);
139 write32(PL310_AUX_CTRL_INIT, pl310 + PL310_AUX_CTRL);
140 write32(PL310_PREFETCH_CTRL_INIT, pl310 + PL310_PREFETCH_CTRL);
141 write32(PL310_POWER_CTRL_INIT, pl310 + PL310_POWER_CTRL);
143 /* invalidate all pl310 cache ways */
144 arm_cl2_invbyway(pl310);
147 void plat_cpu_reset_late(void)
151 assert(!cpu_mmu_enabled());
153 /* Allow NSec to Imprecise abort */
159 write32(SCU_SAC_INIT, SCU_BASE + SCU_SAC);
160 write32(SCU_NSAC_INIT, SCU_BASE + SCU_NSAC);
161 write32(CPU_PORT_FILT_END, SCU_BASE + SCU_FILT_EA);
162 write32(CPU_PORT_FILT_START, SCU_BASE + SCU_FILT_SA);
163 write32(SCU_CTRL_INIT, SCU_BASE + SCU_CTRL);
165 write32(CPU_PORT_FILT_END, pl310_base() + PL310_ADDR_FILT_END);
166 write32(CPU_PORT_FILT_START | PL310_CTRL_ENABLE_BIT,
167 pl310_base() + PL310_ADDR_FILT_START);
169 /* TODO: gic_init scan fails, pre-init all SPIs are nonsecure */
170 for (i = 0; i < (31 * 4); i += 4)
171 write32(0xFFFFFFFF, GIC_DIST_BASE + GIC_DIST_ISR1 + i);
174 void main_init_gic(void)
179 gicc_base = (vaddr_t)phys_to_virt(GIC_CPU_BASE, MEM_AREA_IO_SEC);
180 gicd_base = (vaddr_t)phys_to_virt(GIC_DIST_BASE, MEM_AREA_IO_SEC);
182 if (!gicc_base || !gicd_base)
185 gic_init(&gic_data, gicc_base, gicd_base);
186 itr_init(&gic_data.chip);
189 void main_secondary_init_gic(void)
191 gic_cpu_init(&gic_data);
194 static void main_fiq(void)
196 gic_it_handle(&gic_data);