diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/amlogic/common/aarch64/aml_helpers.S | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | plat/amlogic/common/aarch64/aml_helpers.S | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/plat/amlogic/common/aarch64/aml_helpers.S b/plat/amlogic/common/aarch64/aml_helpers.S new file mode 100644 index 0000000..159c7d1 --- /dev/null +++ b/plat/amlogic/common/aarch64/aml_helpers.S @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <assert_macros.S> +#include <platform_def.h> + + .globl plat_crash_console_flush + .globl plat_crash_console_init + .globl plat_crash_console_putc + .globl platform_mem_init + .globl plat_is_my_cpu_primary + .globl plat_my_core_pos + .globl plat_reset_handler + .globl plat_calc_core_pos + + /* ----------------------------------------------------- + * unsigned int plat_my_core_pos(void); + * ----------------------------------------------------- + */ +func plat_my_core_pos + mrs x0, mpidr_el1 + b plat_calc_core_pos +endfunc plat_my_core_pos + + /* ----------------------------------------------------- + * unsigned int plat_calc_core_pos(u_register_t mpidr); + * ----------------------------------------------------- + */ +func plat_calc_core_pos + and x0, x0, #MPIDR_CPU_MASK + ret +endfunc plat_calc_core_pos + + /* ----------------------------------------------------- + * 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, #AML_PRIMARY_CPU + cset w0, eq + ret +endfunc plat_is_my_cpu_primary + + /* --------------------------------------------- + * void platform_mem_init(void); + * --------------------------------------------- + */ +func platform_mem_init + ret +endfunc platform_mem_init + + /* --------------------------------------------- + * int plat_crash_console_init(void) + * --------------------------------------------- + */ +func plat_crash_console_init + mov_imm x0, AML_UART0_AO_BASE + mov_imm x1, AML_UART0_AO_CLK_IN_HZ + mov_imm x2, AML_UART_BAUDRATE + b console_meson_init +endfunc plat_crash_console_init + + /* --------------------------------------------- + * int plat_crash_console_putc(int c) + * Clobber list : x1, x2 + * --------------------------------------------- + */ +func plat_crash_console_putc + mov_imm x1, AML_UART0_AO_BASE + b console_meson_core_putc +endfunc plat_crash_console_putc + + /* --------------------------------------------- + * void plat_crash_console_flush() + * Out : void. + * Clobber list : x0, x1 + * --------------------------------------------- + */ +func plat_crash_console_flush + mov_imm x0, AML_UART0_AO_BASE + b console_meson_core_flush +endfunc plat_crash_console_flush + + /* --------------------------------------------- + * void plat_reset_handler(void); + * --------------------------------------------- + */ +func plat_reset_handler + ret +endfunc plat_reset_handler |