| /* 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 | |
| .arch armv7-a | |
| @ Make an educated guess regarding the memory map: | |
| @ - the original A9 core tile (based on ARM Cortex-A9 r0p1) | |
| @ should use UART at 0x10009000 | |
| @ - all other (RS1 complaint) tiles use UART mapped | |
| @ at 0x1c090000 | |
| mrc p15, 0, \rp, c0, c0, 0 | |
| movw \rv, #0xc091 | |
| movt \rv, #0x410f | |
| cmp \rp, \rv | |
| @ 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 |