horok/linux
1
0
Fork 0
Code Activity

Adding upstream version 6.12.33.

Browse source 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
This commit is contained in:
Daniel Baumann 2025-06-22 12:14:28 +02:00
parent 89eabb05c2
commit 79d69e5050
Signed by: daniel.baumann
GPG key ID: BCC918A2ABD66424
86698 changed files with 39662057 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

43
arch/arm/include/debug/stm32.S Normal file
View file

@ -0,0 +1,43 @@
/* 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