git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
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| a09e64fb | 1 | /* arch/arm/mach-footbridge/include/mach/debug-macro.S |
| 1da177e4 LT |
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 | ||
| 14 | #include <asm/hardware/dec21285.h> | |
| 15 | ||
| 16 | #ifndef CONFIG_DEBUG_DC21285_PORT | |
| 17 | /* For NetWinder debugging */ | |
| 0ea12930 JK |
18 | .macro addruart, rp, rv |
| 19 | mov \rp, #0x000003f8 | |
| 20 | orr \rv, \rp, #0x7c000000 @ physical | |
| 21 | orr \rp, \rp, #0xff000000 @ virtual | |
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22 | .endm |
| 23 | ||
| 268099e3 RK |
24 | #define UART_SHIFT 0 |
| 25 | #define FLOW_CONTROL | |
| 26 | #include <asm/hardware/debug-8250.S> | |
| 1da177e4 | 27 | |
| 1da177e4 LT |
28 | #else |
| 29 | /* For EBSA285 debugging */ | |
| 30 | .equ dc21285_high, ARMCSR_BASE & 0xff000000 | |
| 31 | .equ dc21285_low, ARMCSR_BASE & 0x00ffffff | |
| 32 | ||
| 0ea12930 | 33 | .macro addruart, rp, rv |
| 1da177e4 | 34 | .if dc21285_low |
| 0ea12930 JK |
35 | mov \rp, #dc21285_low |
| 36 | .else | |
| 37 | mov \rp, #0 | |
| 1da177e4 | 38 | .endif |
| 0ea12930 JK |
39 | orr \rv, \rp, #0x42000000 |
| 40 | orr \rp, \rp, #dc21285_high | |
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41 | .endm |
| 42 | ||
| 43 | .macro senduart,rd,rx | |
| 44 | str \rd, [\rx, #0x160] @ UARTDR | |
| 45 | .endm | |
| 46 | ||
| 47 | .macro busyuart,rd,rx | |
| 48 | 1001: ldr \rd, [\rx, #0x178] @ UARTFLG | |
| 49 | tst \rd, #1 << 3 | |
| 50 | bne 1001b | |
| 51 | .endm | |
| 52 | ||
| 53 | .macro waituart,rd,rx | |
| 54 | .endm | |
| 55 | #endif |