| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Debugging macro include header |
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| 4 | * |
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| 5 | * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> |
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| 6 | * Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S |
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| 7 | * Minor changes for readability. |
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| 8 | */ |
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| 9 | |
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| 10 | #define DEBUG_LL_PHYS_BASE 0xD8000000 |
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| 11 | #define DEBUG_LL_VIRT_BASE 0xF8000000 |
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| 12 | #define DEBUG_LL_UART_OFFSET 0x00200000 |
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| 13 | |
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| 14 | #if defined(CONFIG_DEBUG_VT8500_UART0) |
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| 15 | .macro addruart, rp, rv, tmp |
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| 16 | mov \rp, #DEBUG_LL_UART_OFFSET |
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| 17 | orr \rv, \rp, #DEBUG_LL_VIRT_BASE |
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| 18 | orr \rp, \rp, #DEBUG_LL_PHYS_BASE |
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| 19 | .endm |
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| 20 | |
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| 21 | .macro senduart,rd,rx |
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| 22 | strb \rd, [\rx, #0] |
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| 23 | .endm |
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| 24 | |
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| 25 | .macro busyuart,rd,rx |
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| 26 | 1001: ldr \rd, [\rx, #0x1c] |
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| 27 | ands \rd, \rd, #0x2 |
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| 28 | bne 1001b |
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| 29 | .endm |
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| 30 | |
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| 31 | .macro waituartcts,rd,rx |
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| 32 | .endm |
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| 33 | |
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| 34 | .macro waituarttxrdy,rd,rx |
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| 35 | .endm |
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| 36 | |
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| 37 | #endif |
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| 38 | |
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