1/* arch/arm/mach-realview/include/mach/debug-macro.S 2 * 3 * Debugging macro include header 4 * 5 * Copyright (C) 1994-1999 Russell King 6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13#define DEBUG_LL_PHYS_BASE 0x10000000 14#define DEBUG_LL_UART_OFFSET 0x00009000 15 16#define DEBUG_LL_PHYS_BASE_RS1 0x1c000000 17#define DEBUG_LL_UART_OFFSET_RS1 0x00090000 18 19#define DEBUG_LL_UART_PHYS_CRX 0xb0090000 20 21#define DEBUG_LL_VIRT_BASE 0xf8000000 22 23#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT) 24 25 .macro addruart,rp,rv,tmp 26 .arch armv7-a 27 28 @ Make an educated guess regarding the memory map: 29 @ - the original A9 core tile (based on ARM Cortex-A9 r0p1) 30 @ should use UART at 0x10009000 31 @ - all other (RS1 complaint) tiles use UART mapped 32 @ at 0x1c090000 33 mrc p15, 0, \rp, c0, c0, 0 34 movw \rv, #0xc091 35 movt \rv, #0x410f 36 cmp \rp, \rv 37 38 @ Original memory map 39 moveq \rp, #DEBUG_LL_UART_OFFSET 40 orreq \rv, \rp, #DEBUG_LL_VIRT_BASE 41 orreq \rp, \rp, #DEBUG_LL_PHYS_BASE 42 43 @ RS1 memory map 44 movne \rp, #DEBUG_LL_UART_OFFSET_RS1 45 orrne \rv, \rp, #DEBUG_LL_VIRT_BASE 46 orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 47 48 .endm 49 50#include <asm/hardware/debug-pl01x.S> 51 52#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9) 53 54 .macro addruart,rp,rv,tmp 55 mov \rp, #DEBUG_LL_UART_OFFSET 56 orr \rv, \rp, #DEBUG_LL_VIRT_BASE 57 orr \rp, \rp, #DEBUG_LL_PHYS_BASE 58 .endm 59 60#include <asm/hardware/debug-pl01x.S> 61 62#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1) 63 64 .macro addruart,rp,rv,tmp 65 mov \rp, #DEBUG_LL_UART_OFFSET_RS1 66 orr \rv, \rp, #DEBUG_LL_VIRT_BASE 67 orr \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 68 .endm 69 70#include <asm/hardware/debug-pl01x.S> 71 72#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CRX) 73 74 .macro addruart,rp,tmp,tmp2 75 ldr \rp, =DEBUG_LL_UART_PHYS_CRX 76 .endm 77 78#include <asm/hardware/debug-pl01x.S> 79 80#else /* CONFIG_DEBUG_LL_UART_NONE */ 81 82 .macro addruart, rp, rv, tmp 83 /* Safe dummy values */ 84 mov \rp, #0 85 mov \rv, #DEBUG_LL_VIRT_BASE 86 .endm 87 88 .macro senduart,rd,rx 89 .endm 90 91 .macro waituart,rd,rx 92 .endm 93 94 .macro busyuart,rd,rx 95 .endm 96 97#endif 98