projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| d5bd4e8d OR |
2 | /* Debugging macro include header |
| 3 | * | |
| 4 | * Copyright (C) 1994-1999 Russell King | |
| 5 | * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks | |
| 6 | * Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de> | |
| d5bd4e8d OR |
7 | */ |
| 8 | ||
| 9 | .macro addruart, rp, rv, tmp | |
| 10 | ldr \rp, = CONFIG_DEBUG_UART_PHYS | |
| 11 | ldr \rv, = CONFIG_DEBUG_UART_VIRT | |
| 12 | .endm | |
| 13 | ||
| 2c50a570 LW |
14 | .macro waituarttxrdy,rd,rx |
| 15 | .endm | |
| 16 | ||
| 17 | .macro waituartcts,rd,rx | |
| d5bd4e8d OR |
18 | .endm |
| 19 | ||
| 20 | .macro senduart,rd,rx | |
| 21 | str \rd, [\rx, #0x50] @ TXDATA | |
| 22 | .endm | |
| 23 | ||
| 24 | .macro busyuart,rd,rx | |
| 25 | 1002: ldr \rd, [\rx, #0x60] @ STAT | |
| 26 | tst \rd, #1 << 27 @ TXEMPTY | |
| 27 | beq 1002b @ wait until transmit done | |
| 28 | .endm |