| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* Debugging macro include header |
| * |
| * Copyright (C) 1994-1999 Russell King |
| * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
| * Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de> |
| */ |
| |
| .macro addruart, rp, rv, tmp |
| ldr \rp, = CONFIG_DEBUG_UART_PHYS |
| ldr \rv, = CONFIG_DEBUG_UART_VIRT |
| .endm |
| |
| .macro waituart,rd,rx |
| .endm |
| |
| .macro senduart,rd,rx |
| str \rd, [\rx, #0x50] @ TXDATA |
| .endm |
| |
| .macro busyuart,rd,rx |
| 1002: ldr \rd, [\rx, #0x60] @ STAT |
| tst \rd, #1 << 27 @ TXEMPTY |
| beq 1002b @ wait until transmit done |
| .endm |
