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