| /* linux/include/asm-arm/arch-omap/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 |