1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Debugging macro include header
4 *
5 * Copyright (C) 2010 Alexey Charkov <alchark@
6 * Moved from arch/arm/mach-vt8500/include/
7 * Minor changes for readability.
8 */
9
10 #define DEBUG_LL_PHYS_BASE 0xD800
11 #define DEBUG_LL_VIRT_BASE 0xF800
12 #define DEBUG_LL_UART_OFFSET 0x0020
13
14 #if defined(CONFIG_DEBUG_VT8500_UART0)
15 .macro addruart, rp, rv, tmp
16 mov \rp, #DEBUG_LL_UART_OFFSE
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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