/* SPDX-License-Identifier: GPL-2.0-only *//* * arch/arm/include/debug/sti.S * * Debugging macro include header * Copyright (C) 2013 STMicroelectronics (R&D) Limited. */ #define ASC_TX_BUF_OFF  0x04#define ASC_CTRL_OFF    0x0c#define ASC_STA_OFF     0x14 #define ASC_STA_TX_FULL         (1<<9)#define ASC_STA_TX_EMPTY        (1<<1)  		.macro	addruart, rp, rv, tmp		ldr	\rp,      =CONFIG_DEBUG_UART_PHYS	@ physical base		ldr	\rv,      =CONFIG_DEBUG_UART_VIRT	@ virt base		.endm                 .macro  senduart,rd,rx                strb    \rd, [\rx, #ASC_TX_BUF_OFF]                .endm 		.macro	waituartcts,rd,rx		.endm                 .macro  waituarttxrdy,rd,rx1001:           ldr     \rd, [\rx, #ASC_STA_OFF]                tst     \rd, #ASC_STA_TX_FULL                bne     1001b                .endm                 .macro  busyuart,rd,rx1001:           ldr     \rd, [\rx, #ASC_STA_OFF]                tst     \rd, #ASC_STA_TX_EMPTY                beq     1001b                .endm