| Server IP : 209.38.156.173 / Your IP : 216.73.216.122 [ Web Server : Apache/2.4.52 (Ubuntu) System : Linux lakekumayuhotel 5.15.0-136-generic #147-Ubuntu SMP Sat Mar 15 15:53:30 UTC 2025 x86_64 User : root ( 0) PHP Version : 8.1.2-1ubuntu2.22 Disable Function : NONE Domains : 2 Domains MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/src/linux-headers-5.15.0-152-generic/arch/arm/include/debug/ |
Upload File : |
/* 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