Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Broadcom BCM63xx low-level UART debug
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2014 Broadcom Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/serial_bcm63xx.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	.macro	addruart, rp, rv, tmp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	ldr	\rp, =CONFIG_DEBUG_UART_PHYS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	ldr	\rv, =CONFIG_DEBUG_UART_VIRT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	.macro	senduart, rd, rx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	/* word access do not work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	strb	\rd, [\rx, #UART_FIFO_REG]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	.macro	waituarttxrdy, rd, rx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 1001:	ldr	\rd, [\rx, #UART_IR_REG]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	tst	\rd, #(1 << UART_IR_TXEMPTY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	beq	1001b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	.macro	waituartcts, rd, rx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	.macro	busyuart, rd, rx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 1002:	ldr	\rd, [\rx, #UART_IR_REG]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	tst	\rd, #(1 << UART_IR_TXTRESH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	beq	1002b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	.endm