2 * Copyright (c) 2014-2016, STMicroelectronics International N.V.
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31 #include <drivers/gic.h>
32 #include <drivers/pl011.h>
34 #include <kernel/generic_boot.h>
35 #include <kernel/misc.h>
36 #include <kernel/panic.h>
37 #include <kernel/pm_stubs.h>
38 #include <kernel/tz_ssvce_pl310.h>
39 #include <mm/core_mmu.h>
40 #include <mm/core_memprot.h>
41 #include <platform_config.h>
43 #include <tee/entry_std.h>
44 #include <tee/entry_fast.h>
48 register_phys_mem(MEM_AREA_IO_SEC, CPU_IOMEM_BASE, CORE_MMU_DEVICE_SIZE);
49 register_phys_mem(MEM_AREA_IO_SEC, RNG_BASE, CORE_MMU_DEVICE_SIZE);
50 register_phys_mem(MEM_AREA_IO_NSEC, UART_CONSOLE_BASE, CORE_MMU_DEVICE_SIZE);
52 static struct gic_data gic_data;
53 static void main_fiq(void);
55 #if defined(PLATFORM_FLAVOR_b2260)
56 #define stm_tee_entry_std tee_entry_std
57 static bool ns_resources_ready(void)
62 /* some nonsecure resource might not be ready (uart) */
63 static int boot_is_completed __early_bss;
64 static bool ns_resources_ready(void)
66 return !!boot_is_completed;
68 static void stm_tee_entry_std(struct thread_smc_args *smc_args)
70 boot_is_completed = 1;
71 tee_entry_std(smc_args);
75 static const struct thread_handlers handlers = {
76 .std_smc = stm_tee_entry_std,
77 .fast_smc = tee_entry_fast,
81 .cpu_suspend = pm_panic,
82 .cpu_resume = pm_panic,
83 .system_off = pm_panic,
84 .system_reset = pm_panic,
87 const struct thread_handlers *generic_boot_get_handlers(void)
92 static vaddr_t console_base(void)
94 static void *va __early_bss;
96 if (cpu_mmu_enabled()) {
98 va = phys_to_virt(UART_CONSOLE_BASE, MEM_AREA_IO_NSEC);
101 return UART_CONSOLE_BASE;
104 void console_init(void)
108 void console_putc(int ch)
110 if (ns_resources_ready()) {
112 __asc_xmit_char('\r', console_base());
113 __asc_xmit_char((char)ch, console_base());
117 void console_flush(void)
119 if (ns_resources_ready())
120 __asc_flush(console_base());
123 vaddr_t pl310_base(void)
125 static void *va __early_bss;
127 if (cpu_mmu_enabled()) {
129 va = phys_to_virt(PL310_BASE, MEM_AREA_IO_SEC);
135 void arm_cl2_config(vaddr_t pl310)
138 write32(0, pl310 + PL310_CTRL);
141 write32(PL310_TAG_RAM_CTRL_INIT, pl310 + PL310_TAG_RAM_CTRL);
142 write32(PL310_DATA_RAM_CTRL_INIT, pl310 + PL310_DATA_RAM_CTRL);
143 write32(PL310_AUX_CTRL_INIT, pl310 + PL310_AUX_CTRL);
144 write32(PL310_PREFETCH_CTRL_INIT, pl310 + PL310_PREFETCH_CTRL);
145 write32(PL310_POWER_CTRL_INIT, pl310 + PL310_POWER_CTRL);
147 /* invalidate all pl310 cache ways */
148 arm_cl2_invbyway(pl310);
151 void plat_cpu_reset_late(void)
155 assert(!cpu_mmu_enabled());
157 /* Allow NSec to Imprecise abort */
163 write32(SCU_SAC_INIT, SCU_BASE + SCU_SAC);
164 write32(SCU_NSAC_INIT, SCU_BASE + SCU_NSAC);
165 write32(CPU_PORT_FILT_END, SCU_BASE + SCU_FILT_EA);
166 write32(CPU_PORT_FILT_START, SCU_BASE + SCU_FILT_SA);
167 write32(SCU_CTRL_INIT, SCU_BASE + SCU_CTRL);
169 write32(CPU_PORT_FILT_END, pl310_base() + PL310_ADDR_FILT_END);
170 write32(CPU_PORT_FILT_START | PL310_CTRL_ENABLE_BIT,
171 pl310_base() + PL310_ADDR_FILT_START);
173 /* TODO: gic_init scan fails, pre-init all SPIs are nonsecure */
174 for (i = 0; i < (31 * 4); i += 4)
175 write32(0xFFFFFFFF, GIC_DIST_BASE + GIC_DIST_ISR1 + i);
178 void main_init_gic(void)
183 gicc_base = (vaddr_t)phys_to_virt(GIC_CPU_BASE, MEM_AREA_IO_SEC);
184 gicd_base = (vaddr_t)phys_to_virt(GIC_DIST_BASE, MEM_AREA_IO_SEC);
186 if (!gicc_base || !gicd_base)
189 gic_init(&gic_data, gicc_base, gicd_base);
190 itr_init(&gic_data.chip);
193 void main_secondary_init_gic(void)
195 gic_cpu_init(&gic_data);
198 static void main_fiq(void)
200 gic_it_handle(&gic_data);