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48 lines
1.2 KiB
48 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* arch/arm/mach-realview/include/mach/debug-macro.S |
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* |
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* Debugging macro include header |
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* |
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* Copyright (C) 1994-1999 Russell King |
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* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
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*/ |
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#define DEBUG_LL_PHYS_BASE 0x10000000 |
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#define DEBUG_LL_UART_OFFSET 0x00009000 |
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#define DEBUG_LL_PHYS_BASE_RS1 0x1c000000 |
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#define DEBUG_LL_UART_OFFSET_RS1 0x00090000 |
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#define DEBUG_LL_UART_PHYS_CRX 0xb0090000 |
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#define DEBUG_LL_VIRT_BASE 0xf8000000 |
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#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT) |
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.macro addruart,rp,rv,tmp |
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.arch armv7-a |
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@ Make an educated guess regarding the memory map: |
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@ - the original A9 core tile (based on ARM Cortex-A9 r0p1) |
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@ should use UART at 0x10009000 |
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@ - all other (RS1 complaint) tiles use UART mapped |
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@ at 0x1c090000 |
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mrc p15, 0, \rp, c0, c0, 0 |
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movw \rv, #0xc091 |
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movt \rv, #0x410f |
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cmp \rp, \rv |
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@ Original memory map |
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moveq \rp, #DEBUG_LL_UART_OFFSET |
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orreq \rv, \rp, #DEBUG_LL_VIRT_BASE |
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orreq \rp, \rp, #DEBUG_LL_PHYS_BASE |
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@ RS1 memory map |
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movne \rp, #DEBUG_LL_UART_OFFSET_RS1 |
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orrne \rv, \rp, #DEBUG_LL_VIRT_BASE |
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orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 |
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.endm |
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#include <debug/pl01x.S> |
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#endif
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