diff options
Diffstat (limited to 'plat/allwinner/common/plat_helpers.S')
| -rw-r--r-- | plat/allwinner/common/plat_helpers.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/plat/allwinner/common/plat_helpers.S b/plat/allwinner/common/plat_helpers.S new file mode 100644 index 0000000..b00c7ae --- /dev/null +++ b/plat/allwinner/common/plat_helpers.S @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <sunxi_def.h> +#include <sunxi_mmap.h> + + .globl plat_crash_console_init + .globl plat_crash_console_putc + .globl plat_crash_console_flush + .globl plat_my_core_pos + .globl platform_mem_init + .globl plat_report_exception + +func plat_crash_console_init + mov_imm x0, SUNXI_UART0_BASE + mov_imm x1, SUNXI_UART0_CLK_IN_HZ + mov_imm x2, SUNXI_UART0_BAUDRATE + b console_16550_core_init +endfunc plat_crash_console_init + +func plat_crash_console_putc + mov_imm x1, SUNXI_UART0_BASE + b console_16550_core_putc +endfunc plat_crash_console_putc + +func plat_crash_console_flush + ret +endfunc plat_crash_console_flush + +func plat_my_core_pos + mrs x0, mpidr_el1 + and x1, x0, #MPIDR_CLUSTER_MASK + and x0, x0, #MPIDR_CPU_MASK + add x0, x0, x1, LSR #6 + ret +endfunc plat_my_core_pos + +func platform_mem_init + ret +endfunc platform_mem_init + +func plat_report_exception + ret +endfunc plat_report_exception |