/* * 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 [31mCONFIG_DEBUG_UART_PHYS[0m .macro addruart, rp, rv, tmp ldr \rp, =[31mCONFIG_DEBUG_UART_PHYS[0m ldr \rv, =[31mCONFIG_DEBUG_UART_VIRT[0m .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 |