| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 |