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| /* SPDX-License-Identifier: GPL-2.0-only */
| /* arch/arm/include/debug/pl01x.S
| *
| * Debugging macro include header
| *
| * Copyright (C) 1994-1999 Russell King
| * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
| */
| #include <linux/amba/serial.h>
|
| #ifdef CONFIG_DEBUG_ZTE_ZX
| #undef UART01x_DR
| #undef UART01x_FR
| #define UART01x_DR 0x04
| #define UART01x_FR 0x14
| #endif
|
| #ifdef CONFIG_DEBUG_UART_PHYS
| .macro addruart, rp, rv, tmp
| ldr \rp, =CONFIG_DEBUG_UART_PHYS
| ldr \rv, =CONFIG_DEBUG_UART_VIRT
| .endm
| #endif
|
| .macro senduart,rd,rx
| strb \rd, [\rx, #UART01x_DR]
| .endm
|
| .macro waituartcts,rd,rx
| .endm
|
| .macro waituarttxrdy,rd,rx
| 1001: ldr \rd, [\rx, #UART01x_FR]
| ARM_BE8( rev \rd, \rd )
| tst \rd, #UART01x_FR_TXFF
| bne 1001b
| .endm
|
| .macro busyuart,rd,rx
| 1001: ldr \rd, [\rx, #UART01x_FR]
| ARM_BE8( rev \rd, \rd )
| tst \rd, #UART01x_FR_BUSY
| bne 1001b
| .endm
|
|
