diff options
| author | Josh Cartwright <josh.cartwright@ni.com> | 2012-11-19 10:16:01 -0600 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2012-11-21 10:52:05 +0100 |
| commit | 385f02b1696004461d89589e69ae7247081a74a2 (patch) | |
| tree | e0dcb931d728fae053f01994d60288c73414a2f5 /arch/arm/include/debug/zynq.S | |
| parent | 667f2988e2c11b25e79a46aff2f269696dbe8dc1 (diff) | |
ARM: zynq: make use of debug_ll_io_init()
Convert low-level debugging routines to make use of debug_ll_io_init().
This is part of the preparation for ARCH_MULTIPLATFORM support for Zynq.
Signed-off-by: Josh Cartwright <josh.cartwright@ni.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/arm/include/debug/zynq.S')
| -rw-r--r-- | arch/arm/include/debug/zynq.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/include/debug/zynq.S b/arch/arm/include/debug/zynq.S new file mode 100644 index 000000000000..08aed97120e4 --- /dev/null +++ b/arch/arm/include/debug/zynq.S @@ -0,0 +1,35 @@ +/* + * Debugging macro include header + * + * Copyright (C) 2011 Xilinx + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <mach/zynq_soc.h> +#include <mach/uart.h> + + .macro addruart, rp, rv, tmp + ldr \rp, =LL_UART_PADDR @ physical + ldr \rv, =LL_UART_VADDR @ virtual + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #UART_FIFO_OFFSET] @ TXDATA + .endm + + .macro waituart,rd,rx + .endm + + .macro busyuart,rd,rx +1002: ldr \rd, [\rx, #UART_SR_OFFSET] @ get status register + tst \rd, #UART_SR_TXFULL @ + bne 1002b @ wait if FIFO is full + .endm |