1d2912cb1SThomas Gleixner/* SPDX-License-Identifier: GPL-2.0-only */ 24e218b99SRussell King/* arch/arm/include/debug/pl01x.S 34e218b99SRussell King * 44e218b99SRussell King * Debugging macro include header 54e218b99SRussell King * 64e218b99SRussell King * Copyright (C) 1994-1999 Russell King 74e218b99SRussell King * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks 84e218b99SRussell King*/ 94e218b99SRussell King#include <linux/amba/serial.h> 104e218b99SRussell King 114e218b99SRussell King#ifdef CONFIG_DEBUG_UART_PHYS 124e218b99SRussell King .macro addruart, rp, rv, tmp 134e218b99SRussell King ldr \rp, =CONFIG_DEBUG_UART_PHYS 144e218b99SRussell King ldr \rv, =CONFIG_DEBUG_UART_VIRT 154e218b99SRussell King .endm 164e218b99SRussell King#endif 174e218b99SRussell King 184e218b99SRussell King .macro senduart,rd,rx 194e218b99SRussell King strb \rd, [\rx, #UART01x_DR] 204e218b99SRussell King .endm 214e218b99SRussell King 22*2c50a570SLinus Walleij .macro waituartcts,rd,rx 23*2c50a570SLinus Walleij .endm 24*2c50a570SLinus Walleij 25*2c50a570SLinus Walleij .macro waituarttxrdy,rd,rx 264e218b99SRussell King1001: ldr \rd, [\rx, #UART01x_FR] 2776e3faf1SBen Dooks ARM_BE8( rev \rd, \rd ) 284e218b99SRussell King tst \rd, #UART01x_FR_TXFF 294e218b99SRussell King bne 1001b 304e218b99SRussell King .endm 314e218b99SRussell King 324e218b99SRussell King .macro busyuart,rd,rx 334e218b99SRussell King1001: ldr \rd, [\rx, #UART01x_FR] 3476e3faf1SBen Dooks ARM_BE8( rev \rd, \rd ) 354e218b99SRussell King tst \rd, #UART01x_FR_BUSY 364e218b99SRussell King bne 1001b 374e218b99SRussell King .endm 38