/* * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include #include .globl plat_get_my_entrypoint .globl plat_secondary_cold_boot_setup .globl plat_is_my_cpu_primary .globl platform_mem_init .globl plat_my_core_pos .globl plat_fpga_calc_core_pos .globl plat_crash_console_init .globl plat_crash_console_putc .globl plat_crash_console_flush /* ----------------------------------------------------------------------- * unsigned long plat_get_my_entrypoint (void); * TODO: determine if warm boot should be supported for FPGA images * ----------------------------------------------------------------------- */ func plat_get_my_entrypoint mov x0, #0 ret endfunc plat_get_my_entrypoint /* ----------------------------------------------------------------------- * void plat_secondary_cold_boot_setup (void); * TODO: add placeholder PSCI implementation for FPGA images * ----------------------------------------------------------------------- */ func plat_secondary_cold_boot_setup ret endfunc plat_secondary_cold_boot_setup /* ----------------------------------------------------------------------- * unsigned int plat_is_my_cpu_primary (void); * * Find out whether the current cpu is the primary cpu * ----------------------------------------------------------------------- */ func plat_is_my_cpu_primary mrs x0, mpidr_el1 mov_imm x1, MPIDR_AFFINITY_MASK and x0, x0, x1 cmp x0, #FPGA_PRIMARY_CPU cset w0, eq ret endfunc plat_is_my_cpu_primary func platform_mem_init ret endfunc platform_mem_init func plat_my_core_pos mrs x0, mpidr_el1 b plat_fpga_calc_core_pos endfunc plat_my_core_pos /* ----------------------------------------------------------------------- * unsigned int plat_fpga_calc_core_pos(u_register_t mpidr) * TODO: add calculation of the core position for FPGA image CPUs * ----------------------------------------------------------------------- */ func plat_fpga_calc_core_pos mov x0, #0 ret endfunc plat_fpga_calc_core_pos func plat_crash_console_init mov_imm x0, PLAT_FPGA_CRASH_UART_BASE mov_imm x1, PLAT_FPGA_CRASH_UART_CLK_IN_HZ mov_imm x2, PLAT_FPGA_CONSOLE_BAUDRATE b console_pl011_core_init endfunc plat_crash_console_init func plat_crash_console_putc mov_imm x1, PLAT_FPGA_CRASH_UART_BASE b console_pl011_core_putc endfunc plat_crash_console_putc func plat_crash_console_flush mov_imm x0, PLAT_FPGA_CRASH_UART_BASE b console_pl011_core_flush endfunc plat_crash_console_flush