| /* 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, 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 |
