1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun/* 3*4882a593Smuzhiyun * Debugging macro include header 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> 6*4882a593Smuzhiyun * Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S 7*4882a593Smuzhiyun * Minor changes for readability. 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun#define DEBUG_LL_PHYS_BASE 0xD8000000 11*4882a593Smuzhiyun#define DEBUG_LL_VIRT_BASE 0xF8000000 12*4882a593Smuzhiyun#define DEBUG_LL_UART_OFFSET 0x00200000 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun#if defined(CONFIG_DEBUG_VT8500_UART0) 15*4882a593Smuzhiyun .macro addruart, rp, rv, tmp 16*4882a593Smuzhiyun mov \rp, #DEBUG_LL_UART_OFFSET 17*4882a593Smuzhiyun orr \rv, \rp, #DEBUG_LL_VIRT_BASE 18*4882a593Smuzhiyun orr \rp, \rp, #DEBUG_LL_PHYS_BASE 19*4882a593Smuzhiyun .endm 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun .macro senduart,rd,rx 22*4882a593Smuzhiyun strb \rd, [\rx, #0] 23*4882a593Smuzhiyun .endm 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun .macro busyuart,rd,rx 26*4882a593Smuzhiyun1001: ldr \rd, [\rx, #0x1c] 27*4882a593Smuzhiyun ands \rd, \rd, #0x2 28*4882a593Smuzhiyun bne 1001b 29*4882a593Smuzhiyun .endm 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun .macro waituartcts,rd,rx 32*4882a593Smuzhiyun .endm 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun .macro waituarttxrdy,rd,rx 35*4882a593Smuzhiyun .endm 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun#endif 38