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 .arch armv7-a 25 26 @ Make an educated guess regarding the memory map: 27 @ - the original A9 core tile (based on ARM Cortex-A9 r0p1) 28 @ should use UART at 0x10009000 29 @ - all other (RS1 complaint) tiles use UART mapped 30 @ at 0x1c090000 31 mrc p15, 0, \rp, c0, c0, 0 32 movw \rv, #0xc091 33 movt \rv, #0x410f 34 cmp \rp, \rv 35 36 @ Original memory map 37 moveq \rp, #DEBUG_LL_UART_OFFSET 38 orreq \rv, \rp, #DEBUG_LL_VIRT_BASE 39 orreq \rp, \rp, #DEBUG_LL_PHYS_BASE 40 41 @ RS1 memory map 42 movne \rp, #DEBUG_LL_UART_OFFSET_RS1 43 orrne \rv, \rp, #DEBUG_LL_VIRT_BASE 44 orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 45 46 .endm 47 48#include <asm/hardware/debug-pl01x.S> 49 50#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9) 51 52 .macro addruart,rp,rv,tmp 53 mov \rp, #DEBUG_LL_UART_OFFSET 54 orr \rv, \rp, #DEBUG_LL_VIRT_BASE 55 orr \rp, \rp, #DEBUG_LL_PHYS_BASE 56 .endm 57 58#include <asm/hardware/debug-pl01x.S> 59 60#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1) 61 62 .macro addruart,rp,rv,tmp 63 mov \rp, #DEBUG_LL_UART_OFFSET_RS1 64 orr \rv, \rp, #DEBUG_LL_VIRT_BASE 65 orr \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 66 .endm 67 68#include <asm/hardware/debug-pl01x.S> 69 70#else /* CONFIG_DEBUG_LL_UART_NONE */ 71 72 .macro addruart, rp, rv, tmp 73 /* Safe dummy values */ 74 mov \rp, #0 75 mov \rv, #DEBUG_LL_VIRT_BASE 76 .endm 77 78 .macro senduart,rd,rx 79 .endm 80 81 .macro waituart,rd,rx 82 .endm 83 84 .macro busyuart,rd,rx 85 .endm 86 87#endif 88