| /* | |
| * Debugging macro include header for Conexant Digicolor USART | |
| * | |
| * Copyright (C) 2014 Paradox Innovation Ltd. | |
| * | |
| * 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 UA0_STATUS 0x0742 | |
| #define UA0_EMI_REC 0x0744 | |
| #define UA0_STATUS_TX_READY 0x40 | |
| #ifdef CONFIG_DEBUG_UART_PHYS | |
| .macro addruart, rp, rv, tmp | |
| ldr \rp, =CONFIG_DEBUG_UART_PHYS | |
| ldr \rv, =CONFIG_DEBUG_UART_VIRT | |
| .endm | |
| #endif | |
| .macro senduart,rd,rx | |
| strb \rd, [\rx, #UA0_EMI_REC] | |
| .endm | |
| .macro waituart,rd,rx | |
| .endm | |
| .macro busyuart,rd,rx | |
| 1001: ldrb \rd, [\rx, #UA0_STATUS] | |
| tst \rd, #UA0_STATUS_TX_READY | |
| beq 1001b | |
| .endm |