1 /* 2 * Copyright (c) 2016, GlobalLogic 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 <console.h> 29 #include <kernel/generic_boot.h> 30 #include <kernel/panic.h> 31 #include <kernel/pm_stubs.h> 32 #include <mm/core_memprot.h> 33 #include <platform_config.h> 34 #include <stdint.h> 35 #include <tee/entry_std.h> 36 #include <tee/entry_fast.h> 37 #include <drivers/scif.h> 38 #include <drivers/gic.h> 39 40 register_phys_mem(MEM_AREA_IO_SEC, CONSOLE_UART_BASE, SCIF_REG_SIZE); 41 register_phys_mem(MEM_AREA_IO_SEC, GICD_BASE, GIC_DIST_REG_SIZE); 42 register_phys_mem(MEM_AREA_IO_SEC, GICC_BASE, GIC_DIST_REG_SIZE); 43 44 static void main_fiq(void); 45 46 static const struct thread_handlers handlers = { 47 .std_smc = tee_entry_std, 48 .fast_smc = tee_entry_fast, 49 .fiq = main_fiq, 50 .cpu_on = cpu_on_handler, 51 .cpu_off = pm_do_nothing, 52 .cpu_suspend = pm_do_nothing, 53 .cpu_resume = pm_do_nothing, 54 .system_off = pm_do_nothing, 55 .system_reset = pm_do_nothing, 56 }; 57 58 const struct thread_handlers *generic_boot_get_handlers(void) 59 { 60 return &handlers; 61 } 62 63 static void main_fiq(void) 64 { 65 panic(); 66 } 67 68 static vaddr_t console_base(void) 69 { 70 static void *va; 71 72 if (cpu_mmu_enabled()) { 73 if (!va) 74 va = phys_to_virt(CONSOLE_UART_BASE, MEM_AREA_IO_SEC); 75 return (vaddr_t)va; 76 } 77 return CONSOLE_UART_BASE; 78 } 79 80 void console_init(void) 81 { 82 scif_uart_init(console_base()); 83 } 84 85 void console_putc(int ch) 86 { 87 if (ch == '\n') 88 scif_uart_putc('\r', console_base()); 89 scif_uart_putc(ch, console_base()); 90 } 91 92 void console_flush(void) 93 { 94 scif_uart_flush(console_base()); 95 } 96