1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (c) 2021, Arm Limited. All rights reserved. 4 */ 5 6 #include <arm.h> 7 #include <console.h> 8 #include <drivers/gic.h> 9 #include <drivers/pl011.h> 10 #include <initcall.h> 11 #include <kernel/boot.h> 12 #include <kernel/interrupt.h> 13 #include <kernel/misc.h> 14 #include <kernel/panic.h> 15 16 #include <mm/core_mmu.h> 17 #include <platform_config.h> 18 19 static struct gic_data gic_data __nex_bss; 20 static struct pl011_data console_data __nex_bss; 21 22 register_phys_mem_pgdir(MEM_AREA_IO_SEC, CONSOLE_UART_BASE, PL011_REG_SIZE); 23 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICD_BASE, GIC_DIST_REG_SIZE); 24 25 register_ddr(DRAM0_BASE, DRAM0_SIZE); 26 27 void main_init_gic(void) 28 { 29 vaddr_t gicc_base; 30 31 gicc_base = (vaddr_t)phys_to_virt(GIC_BASE + GICC_OFFSET, 32 MEM_AREA_IO_SEC); 33 if (!gicc_base) 34 panic(); 35 36 /* 37 * On ARMv8, GIC configuration is initialized in ARM-TF 38 * gicd base address is same as gicc_base. 39 */ 40 gic_init_base_addr(&gic_data, gicc_base, gicc_base); 41 itr_init(&gic_data.chip); 42 } 43 44 void itr_core_handler(void) 45 { 46 gic_it_handle(&gic_data); 47 } 48 49 void console_init(void) 50 { 51 pl011_init(&console_data, CONSOLE_UART_BASE, CONSOLE_UART_CLK_IN_HZ, 52 CONSOLE_UART_BAUDRATE); 53 register_serial_console(&console_data.chip); 54 } 55