/* 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 [31mCONFIG_DEBUG_ZTE_ZX[0m #undef UART01x_DR #undef UART01x_FR #define UART01x_DR 0x04 #define UART01x_FR 0x14 #endif #ifdef [31mCONFIG_DEBUG_UART_PHYS[0m .macro addruart, rp, rv, tmp ldr \rp, =[31mCONFIG_DEBUG_UART_PHYS[0m ldr \rv, =[31mCONFIG_DEBUG_UART_VIRT[0m .endm #endif .macro senduart,rd,rx strb \rd, [\rx, #UART01x_DR] .endm .macro waituart,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 |