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- /* arch/arm/mach-zynq/include/mach/debug-macro.S
- *
- * 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
- 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
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