/* 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 waituart,rd,rx .endm .macro busyuart,rd,rx 1001: ldrb \rd, [\rx, #UA0_STATUS] tst \rd, #UA0_STATUS_TX_READY beq 1001b .endm