1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* arch/arm/mach-realview/include/mach/debug-m
3 *
4 * Debugging macro include header
5 *
6 * Copyright (C) 1994-1999 Russell King
7 * Moved from linux/arch/arm/kernel/debug.S b
8 */
9
10 #define DEBUG_LL_PHYS_BASE 0x1000
11 #define DEBUG_LL_UART_OFFSET 0x0000
12
13 #define DEBUG_LL_PHYS_BASE_RS1 0x1c00
14 #define DEBUG_LL_UART_OFFSET_RS1 0x0009
15
16 #define DEBUG_LL_UART_PHYS_CRX 0xb009
17
18 #define DEBUG_LL_VIRT_BASE 0xf800
19
20 #if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT
21
22 .macro addruart,rp,rv,tmp
23 .arch armv7-a
24
25 @ Make an educated guess regar
26 @ - the original A9 core tile
27 @ should use UART at 0x10009
28 @ - all other (RS1 complaint)
29 @ at 0x1c090000
30 mrc p15, 0, \rp, c0, c0, 0
31 movw \rv, #0xc091
32 movt \rv, #0x410f
33 cmp \rp, \rv
34
35 @ Original memory map
36 moveq \rp, #DEBUG_LL_UART_OF
37 orreq \rv, \rp, #DEBUG_LL_VI
38 orreq \rp, \rp, #DEBUG_LL_PH
39
40 @ RS1 memory map
41 movne \rp, #DEBUG_LL_UART_OF
42 orrne \rv, \rp, #DEBUG_LL_VI
43 orrne \rp, \rp, #DEBUG_LL_PH
44
45 .endm
46
47 #include <debug/pl01x.S>
48 #endif
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