vexpress.S (1216B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* arch/arm/mach-realview/include/mach/debug-macro.S 3 * 4 * Debugging macro include header 5 * 6 * Copyright (C) 1994-1999 Russell King 7 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks 8 */ 9 10#define DEBUG_LL_PHYS_BASE 0x10000000 11#define DEBUG_LL_UART_OFFSET 0x00009000 12 13#define DEBUG_LL_PHYS_BASE_RS1 0x1c000000 14#define DEBUG_LL_UART_OFFSET_RS1 0x00090000 15 16#define DEBUG_LL_UART_PHYS_CRX 0xb0090000 17 18#define DEBUG_LL_VIRT_BASE 0xf8000000 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 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 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_OFFSET 37 orreq \rv, \rp, #DEBUG_LL_VIRT_BASE 38 orreq \rp, \rp, #DEBUG_LL_PHYS_BASE 39 40 @ RS1 memory map 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 44 45 .endm 46 47#include <debug/pl01x.S> 48#endif