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_VIRT_BASE 0xf8000000 20 21#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT) 22 23 .macro addruart,rp,rv,tmp 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 <asm/hardware/debug-pl01x.S> 48 49#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9) 50 51 .macro addruart,rp,rv,tmp 52 mov \rp, #DEBUG_LL_UART_OFFSET 53 orr \rv, \rp, #DEBUG_LL_VIRT_BASE 54 orr \rp, \rp, #DEBUG_LL_PHYS_BASE 55 .endm 56 57#include <asm/hardware/debug-pl01x.S> 58 59#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1) 60 61 .macro addruart,rp,rv,tmp 62 mov \rp, #DEBUG_LL_UART_OFFSET_RS1 63 orr \rv, \rp, #DEBUG_LL_VIRT_BASE 64 orr \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 65 .endm 66 67#include <asm/hardware/debug-pl01x.S> 68 69#else /* CONFIG_DEBUG_LL_UART_NONE */ 70 71 .macro addruart, rp, rv, tmp 72 /* Safe dummy values */ 73 mov \rp, #0 74 mov \rv, #DEBUG_LL_VIRT_BASE 75 .endm 76 77 .macro senduart,rd,rx 78 .endm 79 80 .macro waituart,rd,rx 81 .endm 82 83 .macro busyuart,rd,rx 84 .endm 85 86#endif 87