| /* |
| * 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 |
