projects / deliverable / linux.git / blame
| Commit | Line | Data |
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| a09e64fb | 1 | /* arch/arm/mach-msm7200/include/mach/debug-macro.S |
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2 | * |
| 3 | * Copyright (C) 2007 Google, Inc. | |
| 4 | * Author: Brian Swetland <swetland@google.com> | |
| 5 | * | |
| 6 | * This software is licensed under the terms of the GNU General Public | |
| 7 | * License version 2, as published by the Free Software Foundation, and | |
| 8 | * may be copied, distributed, and modified under those terms. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | * | |
| 15 | */ | |
| 16 | ||
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17 | |
| 18 | ||
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19 | #include <mach/hardware.h> |
| 20 | #include <mach/msm_iomap.h> | |
| 3042102a | 21 | |
| 46fe5f29 | 22 | #ifdef CONFIG_HAS_MSM_DEBUG_UART_PHYS |
| 4e6d488a | 23 | .macro addruart, rx, tmp |
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24 | @ see if the MMU is enabled and select appropriate base address |
| 25 | mrc p15, 0, \rx, c1, c0 | |
| 26 | tst \rx, #1 | |
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27 | ldreq \rx, =MSM_DEBUG_UART_PHYS |
| 28 | ldrne \rx, =MSM_DEBUG_UART_BASE | |
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29 | .endm |
| 30 | ||
| 31 | .macro senduart,rd,rx | |
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32 | teq \rx, #0 |
| 33 | strne \rd, [\rx, #0x0C] | |
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34 | .endm |
| 35 | ||
| 36 | .macro waituart,rd,rx | |
| 37 | @ wait for TX_READY | |
| 6339f669 | 38 | 1001: ldr \rd, [\rx, #0x08] |
| 3042102a | 39 | tst \rd, #0x04 |
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40 | beq 1001b |
| 41 | .endm | |
| 42 | #else | |
| 4e6d488a | 43 | .macro addruart, rx, tmp |
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44 | .endm |
| 45 | ||
| 46 | .macro senduart,rd,rx | |
| 47 | .endm | |
| 48 | ||
| 49 | .macro waituart,rd,rx | |
| 3042102a | 50 | .endm |
| 6339f669 | 51 | #endif |
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52 | |
| 53 | .macro busyuart,rd,rx | |
| 54 | .endm |