| John Linn | b85a3ef | 2011-06-20 11:47:27 -0600 | [diff] [blame] | 1 | /* arch/arm/mach-zynq/include/mach/debug-macro.S |
| 2 | * |
| 3 | * Debugging macro include header |
| 4 | * |
| 5 | * Copyright (C) 2011 Xilinx |
| 6 | * |
| 7 | * This software is licensed under the terms of the GNU General Public |
| 8 | * License version 2, as published by the Free Software Foundation, and |
| 9 | * may be copied, distributed, and modified under those terms. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #include <mach/zynq_soc.h> |
| 18 | #include <mach/uart.h> |
| 19 | |
| Nicolas Pitre | 639da5e | 2011-08-31 22:55:46 -0400 | [diff] [blame] | 20 | .macro addruart, rp, rv, tmp |
| John Linn | b85a3ef | 2011-06-20 11:47:27 -0600 | [diff] [blame] | 21 | ldr \rp, =LL_UART_PADDR @ physical |
| 22 | ldr \rv, =LL_UART_VADDR @ virtual |
| 23 | .endm |
| 24 | |
| 25 | .macro senduart,rd,rx |
| 26 | str \rd, [\rx, #UART_FIFO_OFFSET] @ TXDATA |
| 27 | .endm |
| 28 | |
| 29 | .macro waituart,rd,rx |
| 30 | .endm |
| 31 | |
| 32 | .macro busyuart,rd,rx |
| 33 | 1002: ldr \rd, [\rx, #UART_SR_OFFSET] @ get status register |
| 34 | tst \rd, #UART_SR_TXFULL @ |
| 35 | bne 1002b @ wait if FIFO is full |
| 36 | .endm |