| /* 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 waituart,rd,rx |
| .endm |
