/* * Copyright (c) 2023, Aspeed Technology Inc. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include #include #include .globl platform_mem_init .globl plat_is_my_cpu_primary .globl plat_my_core_pos .globl plat_secondary_cold_boot_setup .globl plat_get_syscnt_freq2 .globl plat_crash_console_init .globl plat_crash_console_putc .globl plat_crash_console_flush /* void platform_mem_init(void); */ func platform_mem_init /* DRAM init. is done by preceding MCU */ ret endfunc platform_mem_init /* unsigned int plat_is_my_cpu_primary(void); */ func plat_is_my_cpu_primary mrs x0, mpidr_el1 and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK) cmp x0, #PLATFORM_CORE_PRIMARY cset w0, eq ret endfunc plat_is_my_cpu_primary /* unsigned int plat_my_core_pos(void); */ func plat_my_core_pos mrs x0, mpidr_el1 mov x2, #PLATFORM_CORE_COUNT_PER_CLUSTER and x1, x0, #MPIDR_CPU_MASK and x0, x0, #MPIDR_CLUSTER_MASK madd x0, x0, x2, x1 ret endfunc plat_my_core_pos /* void plat_secondary_cold_boot_setup (void); */ func plat_secondary_cold_boot_setup mov x0, xzr bl plat_my_core_pos mov_imm x1, SCU_CPU_SMP_EP0 add x1, x1, x0, lsl #3 poll_smp_mbox_go: wfe ldr x0, [x1] cmp x0, xzr beq poll_smp_mbox_go br x0 endfunc plat_secondary_cold_boot_setup /* int plat_crash_console_init(void); */ func plat_crash_console_init mov_imm x0, CONSOLE_UART_BASE mov_imm x1, CONSOLE_UART_CLKIN_HZ mov_imm x2, CONSOLE_UART_BAUDRATE b console_16550_core_init endfunc plat_crash_console_init /* int plat_crash_console_putc(int); */ func plat_crash_console_putc mov_imm x1, CONSOLE_UART_BASE b console_16550_core_putc endfunc plat_crash_console_putc /* void plat_crash_console_flush(void); */ func plat_crash_console_flush mov_imm x0, CONSOLE_UART_BASE b console_16550_core_flush endfunc plat_crash_console_flush