Djam/arm-trusted-firmware
1
0
Fork 0
mirror of https://github.com/ARM-software/arm-trusted-firmware.git synced 2025-04-19 11:04:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

stm32mp1: manage CONSOLE_FLAG_TRANSLATE_CRLF and cleanup driver

Browse source 
The STM32 console driver was pre-pending '\r' before '\n'.
It is now managed by the framework with the flag:
CONSOLE_FLAG_TRANSLATE_CRLF.
Remove the code in driver, and add the flag for STM32MP1.

Change-Id: I5d0d5d5c4abee0b7dc11c2f8707b1b5cf10149ab
Signed-off-by: Yann Gautier <yann.gautier@st.com>
This commit is contained in:
Yann Gautier 2019-09-04 11:55:10 +02:00
parent 0289ab9eb8
commit ebf851ed34
3 changed files with 15 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
drivers/st/uart/aarch32/stm32_console.S
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -138,34 +138,18 @@ func console_stm32_core_putc
/* Check the input parameter */
cmp r1, #0
beq putc_error
/* Prepend '\r' to '\n' */
cmp r0, #0xA
bne 2f
1:
/* Check Transmit Data Register Empty */
txe_loop_1:
txe_loop:
ldr r2, [r1, #USART_ISR]
tst r2, #USART_ISR_TXE
beq txe_loop_1
mov r2, #0xD
str r2, [r1, #USART_TDR]
/* Check transmit complete flag */
tc_loop_1:
ldr r2, [r1, #USART_ISR]
tst r2, #USART_ISR_TC
beq tc_loop_1
2:
/* Check Transmit Data Register Empty */
txe_loop_2:
ldr r2, [r1, #USART_ISR]
tst r2, #USART_ISR_TXE
beq txe_loop_2
beq txe_loop
str r0, [r1, #USART_TDR]
/* Check transmit complete flag */
tc_loop_2:
tc_loop:
ldr r2, [r1, #USART_ISR]
tst r2, #USART_ISR_TC
beq tc_loop_2
beq tc_loop
bx lr
putc_error:
mov r0, #-1

3
plat/st/stm32mp1/bl2_plat_setup.c
View file

@ -272,6 +272,9 @@ void bl2_el3_plat_arch_setup(void)
panic();
}
console_set_scope(&console.console, CONSOLE_FLAG_BOOT |
CONSOLE_FLAG_CRASH | CONSOLE_FLAG_TRANSLATE_CRLF);
stm32mp_print_cpuinfo();
board_model = dt_get_board_model();

8
plat/st/stm32mp1/sp_min/sp_min_setup.c
View file

@ -129,16 +129,20 @@ void sp_min_early_platform_setup2(u_register_t arg0, u_register_t arg1,
result = dt_get_stdout_uart_info(&dt_uart_info);
if ((result > 0) && (dt_uart_info.status != 0U)) {
unsigned int console_flags;
if (console_stm32_register(dt_uart_info.base, 0,
STM32MP_UART_BAUDRATE, &console) ==
0) {
panic();
}
console_flags = CONSOLE_FLAG_BOOT | CONSOLE_FLAG_CRASH |
CONSOLE_FLAG_TRANSLATE_CRLF;
#ifdef DEBUG
console_set_scope(&console.console,
CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME);
console_flags |= CONSOLE_FLAG_RUNTIME;
#endif
console_set_scope(&console.console, console_flags);
}
}