| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Debugging macro include header |
| * |
| * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> |
| * Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S |
| * Minor changes for readability. |
| */ |
| |
| #define DEBUG_LL_PHYS_BASE 0xD8000000 |
| #define DEBUG_LL_VIRT_BASE 0xF8000000 |
| #define DEBUG_LL_UART_OFFSET 0x00200000 |
| |
| #if defined(CONFIG_DEBUG_VT8500_UART0) |
| .macro addruart, rp, rv, tmp |
| mov \rp, #DEBUG_LL_UART_OFFSET |
| orr \rv, \rp, #DEBUG_LL_VIRT_BASE |
| orr \rp, \rp, #DEBUG_LL_PHYS_BASE |
| .endm |
| |
| .macro senduart,rd,rx |
| strb \rd, [\rx, #0] |
| .endm |
| |
| .macro busyuart,rd,rx |
| 1001: ldr \rd, [\rx, #0x1c] |
| ands \rd, \rd, #0x2 |
| bne 1001b |
| .endm |
| |
| .macro waituart,rd,rx |
| .endm |
| |
| #endif |
