| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| /* arch/arm/mach-footbridge/include/mach/debug-macro.S | |
| * | |
| * Debugging macro include header | |
| * | |
| * Copyright (C) 1994-1999 Russell King | |
| * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks | |
| */ | |
| #include <asm/hardware/dec21285.h> | |
| #include <mach/hardware.h> | |
| /* For EBSA285 debugging */ | |
| .equ dc21285_high, ARMCSR_BASE & 0xff000000 | |
| .equ dc21285_low, ARMCSR_BASE & 0x00ffffff | |
| .macro addruart, rp, rv, tmp | |
| .if dc21285_low | |
| mov \rp, #dc21285_low | |
| .else | |
| mov \rp, #0 | |
| .endif | |
| orr \rv, \rp, #dc21285_high | |
| orr \rp, \rp, #0x42000000 | |
| .endm | |
| .macro senduart,rd,rx | |
| str \rd, [\rx, #0x160] @ UARTDR | |
| .endm | |
| .macro busyuart,rd,rx | |
| 1001: ldr \rd, [\rx, #0x178] @ UARTFLG | |
| tst \rd, #1 << 3 | |
| bne 1001b | |
| .endm | |
| .macro waituartcts,rd,rx | |
| .endm | |
| .macro waituarttxrdy,rd,rx | |
| .endm |