| /* arch/arm/plat-omap/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. |
| * |
| */ |
| |
| .macro addruart,rx |
| mrc p15, 0, \rx, c1, c0 |
| tst \rx, #1 @ MMU enabled? |
| #ifdef CONFIG_ARCH_OMAP1 |
| moveq \rx, #0xff000000 @ physical base address |
| movne \rx, #0xfe000000 @ virtual base |
| orr \rx, \rx, #0x00fb0000 |
| #ifdef CONFIG_OMAP_LL_DEBUG_UART3 |
| orr \rx, \rx, #0x00009000 @ UART 3 |
| #endif |
| #if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3) |
| orr \rx, \rx, #0x00000800 @ UART 2 & 3 |
| #endif |
| |
| #elif CONFIG_ARCH_OMAP2 |
| moveq \rx, #0x48000000 @ physical base address |
| movne \rx, #0xd8000000 @ virtual base |
| orr \rx, \rx, #0x0006a000 |
| #ifdef CONFIG_OMAP_LL_DEBUG_UART2 |
| add \rx, \rx, #0x00002000 @ UART 2 |
| #endif |
| #ifdef CONFIG_OMAP_LL_DEBUG_UART3 |
| add \rx, \rx, #0x00004000 @ UART 3 |
| #endif |
| #endif |
| .endm |
| |
| .macro senduart,rd,rx |
| strb \rd, [\rx] |
| .endm |
| |
| .macro busyuart,rd,rx |
| 1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends |
| and \rd, \rd, #0x60 |
| teq \rd, #0x60 |
| beq 1002f |
| ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only |
| and \rd, \rd, #0x60 |
| teq \rd, #0x60 |
| bne 1001b |
| 1002: |
| .endm |
| |
| .macro waituart,rd,rx |
| .endm |
