| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* arch/arm/mach-realview/include/mach/debug-macro.S |
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| 3 | * |
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| 4 | * Debugging macro include header |
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| 5 | * |
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| 6 | * Copyright (C) 1994-1999 Russell King |
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| 7 | * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
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| 8 | */ |
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| 9 | |
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| 10 | #define DEBUG_LL_PHYS_BASE 0x10000000 |
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| 11 | #define DEBUG_LL_UART_OFFSET 0x00009000 |
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| 12 | |
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| 13 | #define DEBUG_LL_PHYS_BASE_RS1 0x1c000000 |
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| 14 | #define DEBUG_LL_UART_OFFSET_RS1 0x00090000 |
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| 15 | |
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| 16 | #define DEBUG_LL_UART_PHYS_CRX 0xb0090000 |
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| 17 | |
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| 18 | #define DEBUG_LL_VIRT_BASE 0xf8000000 |
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| 19 | |
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| 20 | #if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT) |
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| 21 | |
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| 22 | .macro addruart,rp,rv,tmp |
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| 23 | .arch armv7-a |
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| 24 | |
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| 25 | @ Make an educated guess regarding the memory map: |
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| 26 | @ - the original A9 core tile (based on ARM Cortex-A9 r0p1) |
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| 27 | @ should use UART at 0x10009000 |
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| 28 | @ - all other (RS1 complaint) tiles use UART mapped |
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| 29 | @ at 0x1c090000 |
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| 30 | mrc p15, 0, \rp, c0, c0, 0 |
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| 31 | movw \rv, #0xc091 |
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| 32 | movt \rv, #0x410f |
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| 33 | cmp \rp, \rv |
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| 34 | |
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| 35 | @ Original memory map |
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| 36 | moveq \rp, #DEBUG_LL_UART_OFFSET |
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| 37 | orreq \rv, \rp, #DEBUG_LL_VIRT_BASE |
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| 38 | orreq \rp, \rp, #DEBUG_LL_PHYS_BASE |
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| 39 | |
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| 40 | @ RS1 memory map |
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| 41 | movne \rp, #DEBUG_LL_UART_OFFSET_RS1 |
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| 42 | orrne \rv, \rp, #DEBUG_LL_VIRT_BASE |
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| 43 | orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 |
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| 44 | |
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| 45 | .endm |
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| 46 | |
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| 47 | #include <debug/pl01x.S> |
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| 48 | #endif |
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| 49 | |
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