| /* |
| * Copyright (c) 2023, Aspeed Technology Inc. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <asm_macros.S> |
| #include <assert_macros.S> |
| #include <arch.h> |
| #include <cortex_a35.h> |
| #include <platform_def.h> |
| |
| .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 |