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, which has MPCore peripherals 27 @ located at 0x1e000000, should use UART at 0x10009000 28 @ - all other (RS1 complaint) tiles use UART mapped 29 @ at 0x1c090000 30 mrc p15, 4, \tmp, c15, c0, 0 31 cmp \tmp, #0x1e000000 32 33 @ Original memory map 34 moveq \rp, #DEBUG_LL_UART_OFFSET 35 orreq \rv, \rp, #DEBUG_LL_VIRT_BASE 36 orreq \rp, \rp, #DEBUG_LL_PHYS_BASE 37 38 @ RS1 memory map 39 movne \rp, #DEBUG_LL_UART_OFFSET_RS1 40 orrne \rv, \rp, #DEBUG_LL_VIRT_BASE 41 orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 42 43 .endm 44 45#include <asm/hardware/debug-pl01x.S> 46 47#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9) 48 49 .macro addruart,rp,rv,tmp 50 mov \rp, #DEBUG_LL_UART_OFFSET 51 orr \rv, \rp, #DEBUG_LL_VIRT_BASE 52 orr \rp, \rp, #DEBUG_LL_PHYS_BASE 53 .endm 54 55#include <asm/hardware/debug-pl01x.S> 56 57#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1) 58 59 .macro addruart,rp,rv,tmp 60 mov \rp, #DEBUG_LL_UART_OFFSET_RS1 61 orr \rv, \rp, #DEBUG_LL_VIRT_BASE 62 orr \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 63 .endm 64 65#include <asm/hardware/debug-pl01x.S> 66 67#else /* CONFIG_DEBUG_LL_UART_NONE */ 68 69 .macro addruart, rp, rv, tmp 70 /* Safe dummy values */ 71 mov \rp, #0 72 mov \rv, #DEBUG_LL_VIRT_BASE 73 .endm 74 75 .macro senduart,rd,rx 76 .endm 77 78 .macro waituart,rd,rx 79 .endm 80 81 .macro busyuart,rd,rx 82 .endm 83 84#endif 85