diff options
Diffstat (limited to 'arch/arm/include/debug/at91.S')
| -rw-r--r-- | arch/arm/include/debug/at91.S | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm/include/debug/at91.S b/arch/arm/include/debug/at91.S index 0098401e5aeb..17722824e2f2 100644 --- a/arch/arm/include/debug/at91.S +++ b/arch/arm/include/debug/at91.S @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2003-2005 SAN People * * Debugging macro include header - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #define AT91_DBGU_SR (0x14) /* Status Register */ @@ -23,12 +19,15 @@ strb \rd, [\rx, #(AT91_DBGU_THR)] @ Write to Transmitter Holding Register .endm - .macro waituart,rd,rx + .macro waituarttxrdy,rd,rx 1001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit beq 1001b .endm + .macro waituartcts,rd,rx + .endm + .macro busyuart,rd,rx 1001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete |