1d2912cb1SThomas Gleixner/* SPDX-License-Identifier: GPL-2.0-only */ 2b61a2722STony Prisk/* 3b61a2722STony Prisk * Debugging macro include header 4b61a2722STony Prisk * 5b61a2722STony Prisk * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> 6b61a2722STony Prisk * Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S 7b61a2722STony Prisk * Minor changes for readability. 8b61a2722STony Prisk */ 9b61a2722STony Prisk 10b61a2722STony Prisk#define DEBUG_LL_PHYS_BASE 0xD8000000 11b61a2722STony Prisk#define DEBUG_LL_VIRT_BASE 0xF8000000 12b61a2722STony Prisk#define DEBUG_LL_UART_OFFSET 0x00200000 13b61a2722STony Prisk 14b61a2722STony Prisk#if defined(CONFIG_DEBUG_VT8500_UART0) 15b61a2722STony Prisk .macro addruart, rp, rv, tmp 16b61a2722STony Prisk mov \rp, #DEBUG_LL_UART_OFFSET 17b61a2722STony Prisk orr \rv, \rp, #DEBUG_LL_VIRT_BASE 18b61a2722STony Prisk orr \rp, \rp, #DEBUG_LL_PHYS_BASE 19b61a2722STony Prisk .endm 20b61a2722STony Prisk 21b61a2722STony Prisk .macro senduart,rd,rx 22b61a2722STony Prisk strb \rd, [\rx, #0] 23b61a2722STony Prisk .endm 24b61a2722STony Prisk 25b61a2722STony Prisk .macro busyuart,rd,rx 26b61a2722STony Prisk1001: ldr \rd, [\rx, #0x1c] 27b61a2722STony Prisk ands \rd, \rd, #0x2 28b61a2722STony Prisk bne 1001b 29b61a2722STony Prisk .endm 30b61a2722STony Prisk 312c50a570SLinus Walleij .macro waituartcts,rd,rx 322c50a570SLinus Walleij .endm 332c50a570SLinus Walleij 342c50a570SLinus Walleij .macro waituarttxrdy,rd,rx 35b61a2722STony Prisk .endm 36b61a2722STony Prisk 37b61a2722STony Prisk#endif 38