| /* 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 |
| |
| #define DEBUG_LL_VIRT_BASE 0xf8000000 |
| |
| #if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT) |
| |
| .macro addruart,rp,rv,tmp |
| |
| @ Make an educated guess regarding the memory map: |
| @ - the original A9 core tile, which has MPCore peripherals |
| @ located at 0x1e000000, should use UART at 0x10009000 |
| @ - all other (RS1 complaint) tiles use UART mapped |
| @ at 0x1c090000 |
| mrc p15, 4, \tmp, c15, c0, 0 |
| cmp \tmp, #0x1e000000 |
| |
| @ 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 |
| |
| #include <asm/hardware/debug-pl01x.S> |
| |
| #elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9) |
| |
| .macro addruart,rp,rv,tmp |
| mov \rp, #DEBUG_LL_UART_OFFSET |
| orr \rv, \rp, #DEBUG_LL_VIRT_BASE |
| orr \rp, \rp, #DEBUG_LL_PHYS_BASE |
| .endm |
| |
| #include <asm/hardware/debug-pl01x.S> |
| |
| #elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1) |
| |
| .macro addruart,rp,rv,tmp |
| mov \rp, #DEBUG_LL_UART_OFFSET_RS1 |
| orr \rv, \rp, #DEBUG_LL_VIRT_BASE |
| orr \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1 |
| .endm |
| |
| #include <asm/hardware/debug-pl01x.S> |
| |
| #else /* CONFIG_DEBUG_LL_UART_NONE */ |
| |
| .macro addruart, rp, rv, tmp |
| /* Safe dummy values */ |
| mov \rp, #0 |
| mov \rv, #DEBUG_LL_VIRT_BASE |
| .endm |
| |
| .macro senduart,rd,rx |
| .endm |
| |
| .macro waituart,rd,rx |
| .endm |
| |
| .macro busyuart,rd,rx |
| .endm |
| |
| #endif |