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| /* SPDX-License-Identifier: GPL-2.0-only */
| /*
| * Debugging macro include header for Conexant Digicolor USART
| *
| * Copyright (C) 2014 Paradox Innovation Ltd.
| */
|
| #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 waituartcts,rd,rx
| .endm
|
| .macro waituarttxrdy,rd,rx
| .endm
|
| .macro busyuart,rd,rx
| 1001: ldrb \rd, [\rx, #UA0_STATUS]
| tst \rd, #UA0_STATUS_TX_READY
| beq 1001b
| .endm
|
|
