M7350/kernel/arch/arm/include/debug/vexpress.S

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ArmAsm
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/* arch/arm/mach-realview/include/mach/debug-macro.S
*
* Debugging macro include header
*
* Copyright (C) 1994-1999 Russell King
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#define DEBUG_LL_PHYS_BASE 0x10000000
#define DEBUG_LL_UART_OFFSET 0x00009000
#define DEBUG_LL_PHYS_BASE_RS1 0x1c000000
#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)
@ should use UART at 0x10009000
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@ - all other (RS1 complaint) tiles use UART mapped
@ at 0x1c090000
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mrc p15, 0, \rp, c0, c0, 0
movw \rv, #0xc091
movt \rv, #0x410f
cmp \rp, \rv
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@ Original memory map
moveq \rp, #DEBUG_LL_UART_OFFSET
orreq \rv, \rp, #DEBUG_LL_VIRT_BASE
orreq \rp, \rp, #DEBUG_LL_PHYS_BASE
@ RS1 memory map
movne \rp, #DEBUG_LL_UART_OFFSET_RS1
orrne \rv, \rp, #DEBUG_LL_VIRT_BASE
orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
.endm
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#include <debug/pl01x.S>
#endif