diff options
Diffstat (limited to 'arch/arm/include/debug/dc21285.S')
| -rw-r--r-- | arch/arm/include/debug/dc21285.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/include/debug/dc21285.S b/arch/arm/include/debug/dc21285.S new file mode 100644 index 000000000..4ec0e5e31 --- /dev/null +++ b/arch/arm/include/debug/dc21285.S @@ -0,0 +1,41 @@ +/* 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 |