FM / debug

/usr/src/linux-headers-5.15.0-181/arch/arm/include/debug/

/usr/src/linux-headers-5.15.0-181/arch/arm/include/debug

Name	Size	Mode	Actions
8250.S	1068	0644	edit dl rm
asm9260.S	645	0644	edit dl rm
at91.S	1041	0644	edit dl rm
bcm63xx.S	643	0644	edit dl rm
brcmstb.S	5957	0644	edit dl rm
clps711x.S	767	0644	edit dl rm
dc21285.S	842	0644	edit dl rm
digicolor.S	648	0644	edit dl rm
exynos.S	1166	0644	edit dl rm
icedcc.S	1484	0644	edit dl rm
imx-uart.h	5422	0644	edit dl rm
imx.S	1206	0644	edit dl rm
meson.S	771	0644	edit dl rm
msm.S	1037	0644	edit dl rm
omap2plus.S	2092	0644	edit dl rm
palmchip.S	199	0644	edit dl rm
pl01x.S	896	0644	edit dl rm
renesas-scif.S	1074	0644	edit dl rm
s3c24xx.S	1070	0644	edit dl rm
s5pv210.S	891	0644	edit dl rm
sa1100.S	1681	0644	edit dl rm
samsung.S	1903	0644	edit dl rm
sti.S	1022	0644	edit dl rm
stm32.S	1162	0644	edit dl rm
tegra.S	6500	0644	edit dl rm
uncompress.h	222	0644	edit dl rm
ux500.S	1032	0644	edit dl rm
vexpress.S	1216	0644	edit dl rm
vf.S	923	0644	edit dl rm
vt8500.S	774	0644	edit dl rm
zynq.S	1277	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/arm/include/debug/msm.S (1037B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *
 * Copyright (C) 2007 Google, Inc.
 * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
 * Author: Brian Swetland <swetland@google.com>
 */

.macro	addruart, rp, rv, tmp
	ldr	\rp, =CONFIG_DEBUG_UART_PHYS
	ldr	\rv, =CONFIG_DEBUG_UART_VIRT
	.endm

.macro	senduart, rd, rx
ARM_BE8(rev	\rd, \rd )
	@ Write the 1 character to UARTDM_TF
	str	\rd, [\rx, #0x70]
	.endm

.macro	waituartcts,rd,rx
	.endm

.macro	waituarttxrdy, rd, rx
	@ check for TX_EMT in UARTDM_SR
	ldr	\rd, [\rx, #0x08]
ARM_BE8(rev     \rd, \rd )
	tst	\rd, #0x08
	bne	1002f
	@ wait for TXREADY in UARTDM_ISR
1001:	ldr	\rd, [\rx, #0x14]
ARM_BE8(rev     \rd, \rd )
	tst	\rd, #0x80
	beq 	1001b
1002:
	@ Clear TX_READY by writing to the UARTDM_CR register
	mov	\rd, #0x300
ARM_BE8(rev     \rd, \rd )
	str	\rd, [\rx, #0x10]
	@ Write 0x1 to NCF register
	mov 	\rd, #0x1
ARM_BE8(rev     \rd, \rd )
	str	\rd, [\rx, #0x40]
	@ UARTDM reg. Read to induce delay
	ldr	\rd, [\rx, #0x08]
	.endm

.macro	busyuart, rd, rx
	.endm

/* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright (C) 2007 Google, Inc. * Copyright (c) 2011, Code Aurora Forum. All rights reserved. * Author: Brian Swetland */ .macro addruart, rp, rv, tmp ldr \rp, =CONFIG_DEBUG_UART_PHYS ldr \rv, =CONFIG_DEBUG_UART_VIRT .endm .macro senduart, rd, rx ARM_BE8(rev \rd, \rd ) @ Write the 1 character to UARTDM_TF str \rd, [\rx, #0x70] .endm .macro waituartcts,rd,rx .endm .macro waituarttxrdy, rd, rx @ check for TX_EMT in UARTDM_SR ldr \rd, [\rx, #0x08] ARM_BE8(rev \rd, \rd ) tst \rd, #0x08 bne 1002f @ wait for TXREADY in UARTDM_ISR 1001: ldr \rd, [\rx, #0x14] ARM_BE8(rev \rd, \rd ) tst \rd, #0x80 beq 1001b 1002: @ Clear TX_READY by writing to the UARTDM_CR register mov \rd, #0x300 ARM_BE8(rev \rd, \rd ) str \rd, [\rx, #0x10] @ Write 0x1 to NCF register mov \rd, #0x1 ARM_BE8(rev \rd, \rd ) str \rd, [\rx, #0x40] @ UARTDM reg. Read to induce delay ldr \rd, [\rx, #0x08] .endm .macro busyuart, rd, rx .endm