1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* arch/arm/mach-realview/include/mach/debug-macro.S
4 * Debugging macro include header
6 * Copyright (C) 1994-1999 Russell King
7 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
10 #define DEBUG_LL_PHYS_BASE 0x10000000
11 #define DEBUG_LL_UART_OFFSET 0x00009000
13 #define DEBUG_LL_PHYS_BASE_RS1 0x1c000000
14 #define DEBUG_LL_UART_OFFSET_RS1 0x00090000
16 #define DEBUG_LL_UART_PHYS_CRX 0xb0090000
18 #define DEBUG_LL_VIRT_BASE 0xf8000000
20 #if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
22 .macro addruart,rp,rv,tmp
25 @ Make an educated guess regarding the memory map:
26 @ - the original A9 core tile (based on ARM Cortex-A9 r0p1)
27 @ should use UART at 0x10009000
28 @ - all other (RS1 complaint) tiles use UART mapped
30 mrc p15, 0, \rp, c0, c0, 0
36 moveq \rp, #DEBUG_LL_UART_OFFSET
37 orreq \rv, \rp, #DEBUG_LL_VIRT_BASE
38 orreq \rp, \rp, #DEBUG_LL_PHYS_BASE
41 movne \rp, #DEBUG_LL_UART_OFFSET_RS1
42 orrne \rv, \rp, #DEBUG_LL_VIRT_BASE
43 orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
47 #include <debug/pl01x.S>