FM / debug

/usr/src/linux-headers-5.15.0-190/arch/arm/include/debug/

/usr/src/linux-headers-5.15.0-190/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-5.15.0-190/arch/arm/include/debug/stm32.S (1162B)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) STMicroelectronics SA 2017 - All Rights Reserved
 * Author:   Gerald Baeza <gerald.baeza@st.com> for STMicroelectronics.
 */

#ifdef CONFIG_STM32F4_DEBUG_UART
#define STM32_USART_SR_OFF		0x00
#define STM32_USART_TDR_OFF		0x04
#endif

#if defined(CONFIG_STM32F7_DEBUG_UART) || defined(CONFIG_STM32H7_DEBUG_UART) || \
	defined(CONFIG_STM32MP1_DEBUG_UART)
#define STM32_USART_SR_OFF		0x1C
#define STM32_USART_TDR_OFF		0x28
#endif

#define STM32_USART_TC			(1 << 6)	/* Tx complete       */
#define STM32_USART_TXE			(1 << 7)	/* Tx data reg empty */

.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, #STM32_USART_TDR_OFF]
.endm

.macro	waituartcts,rd,rx
.endm

.macro  waituarttxrdy,rd,rx
1001:	ldr	\rd, [\rx, #(STM32_USART_SR_OFF)]	@ Read Status Register
	tst	\rd, #STM32_USART_TXE			@ TXE = 1 = tx empty
	beq	1001b
.endm

.macro  busyuart,rd,rx
1001:	ldr	\rd, [\rx, #(STM32_USART_SR_OFF)]	@ Read Status Register
	tst	\rd, #STM32_USART_TC			@ TC = 1 = tx complete
	beq	1001b
.endm

/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) STMicroelectronics SA 2017 - All Rights Reserved * Author: Gerald Baeza for STMicroelectronics. */ #ifdef CONFIG_STM32F4_DEBUG_UART #define STM32_USART_SR_OFF 0x00 #define STM32_USART_TDR_OFF 0x04 #endif #if defined(CONFIG_STM32F7_DEBUG_UART) || defined(CONFIG_STM32H7_DEBUG_UART) || \ defined(CONFIG_STM32MP1_DEBUG_UART) #define STM32_USART_SR_OFF 0x1C #define STM32_USART_TDR_OFF 0x28 #endif #define STM32_USART_TC (1 << 6) /* Tx complete */ #define STM32_USART_TXE (1 << 7) /* Tx data reg empty */ .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, #STM32_USART_TDR_OFF] .endm .macro waituartcts,rd,rx .endm .macro waituarttxrdy,rd,rx 1001: ldr \rd, [\rx, #(STM32_USART_SR_OFF)] @ Read Status Register tst \rd, #STM32_USART_TXE @ TXE = 1 = tx empty beq 1001b .endm .macro busyuart,rd,rx 1001: ldr \rd, [\rx, #(STM32_USART_SR_OFF)] @ Read Status Register tst \rd, #STM32_USART_TC @ TC = 1 = tx complete beq 1001b .endm