Eric Lee / smarc-uboot

Download as
Browse Code »

Commit 22e10be456014400788f80d45fc5f5c0b9d4a81d

Authored by Wenyou Yang
Committed by Simon Glass
1 parent 33034a77a5
Exists in smarc_8mq_lf_v2020.04 and in 20 other branches 8qm-imx_v2020.04_5.4.70_2.3.0, emb_lf-6.6.52-2.2.0, emb_lf_v2022.04, emb_lf_v2023.04, emb_lf_v2024.04, pitx_8mp_lf_v2020.04, smarc-8m-android-10.0.0_2.6.0, smarc-8m-android-11.0.0_2.0.0, smarc-8mp-android-11.0.0_2.0.0, smarc-imx6_v2018.03_4.14.98_2.0.0_ga, smarc-imx7_v2018.03_4.14.98_2.0.0_ga, smarc-imx_v2018.03_4.14.78_1.0.0_ga, smarc_8m-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8m-imx_v2019.04_4.19.35_1.1.0, smarc_8m_00d0-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8mm-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8mm-imx_v2019.04_4.19.35_1.1.0, smarc_8mm-imx_v2020.04_5.4.24_2.1.0, smarc_8mp_lf_v2020.04, smarc_8mq-imx_v2020.04_5.4.24_2.1.0

board: sama5d4ek: enable early debug UART 

Enable the early debug UART to debug problems when an ICE or other
debug mechanism is not available.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>

Showing 4 changed files with 30 additions and 1 deletions Side-by-side Diff

board/atmel/sama5d4ek/sama5d4ek.c
Diff comments   View file @ 22e10be
... ... @@ -15,6 +15,7 @@
15 15 #include <asm/arch/sama5d3_smc.h>
16 16 #include <asm/arch/sama5d4.h>
17 17 #include <atmel_hlcdc.h>
  18 +#include <debug_uart.h>
18 19 #include <lcd.h>
19 20 #include <nand.h>
20 21 #include <version.h>
... ... @@ -161,6 +162,7 @@
161 162  
162 163 #endif /* CONFIG_LCD */
163 164  
  165 +#ifdef CONFIG_DEBUG_UART_BOARD_INIT
164 166 static void sama5d4ek_serial3_hw_init(void)
165 167 {
166 168 at91_pio3_set_b_periph(AT91_PIO_PORTE, 17, 1); /* TXD3 */
167 169  
168 170  
169 171  
... ... @@ -170,12 +172,21 @@
170 172 at91_periph_clk_enable(ATMEL_ID_USART3);
171 173 }
172 174  
173   -int board_early_init_f(void)
  175 +void board_debug_uart_init(void)
174 176 {
175 177 sama5d4ek_serial3_hw_init();
  178 +}
  179 +#endif
176 180  
  181 +#ifdef CONFIG_BOARD_EARLY_INIT_F
  182 +int board_early_init_f(void)
  183 +{
  184 +#ifdef CONFIG_DEBUG_UART
  185 + debug_uart_init();
  186 +#endif
177 187 return 0;
178 188 }
  189 +#endif
179 190  
180 191 int board_init(void)
181 192 {
configs/sama5d4ek_mmc_defconfig
Diff comments   View file @ 22e10be
... ... @@ -56,6 +56,12 @@
56 56 CONFIG_SPL_PINCTRL=y
57 57 CONFIG_PINCTRL_AT91=y
58 58 CONFIG_DM_SERIAL=y
  59 +CONFIG_DEBUG_UART=y
  60 +CONFIG_DEBUG_UART_ATMEL=y
  61 +CONFIG_DEBUG_UART_BASE=0xfc00c000
  62 +CONFIG_DEBUG_UART_CLOCK=88000000
  63 +CONFIG_DEBUG_UART_BOARD_INIT=y
  64 +CONFIG_DEBUG_UART_ANNOUNCE=y
59 65 CONFIG_ATMEL_USART=y
60 66 CONFIG_DM_SPI=y
61 67 CONFIG_ATMEL_SPI=y
configs/sama5d4ek_nandflash_defconfig
Diff comments   View file @ 22e10be
... ... @@ -54,6 +54,12 @@
54 54 CONFIG_SPL_PINCTRL=y
55 55 CONFIG_PINCTRL_AT91=y
56 56 CONFIG_DM_SERIAL=y
  57 +CONFIG_DEBUG_UART=y
  58 +CONFIG_DEBUG_UART_ATMEL=y
  59 +CONFIG_DEBUG_UART_BASE=0xfc00c000
  60 +CONFIG_DEBUG_UART_CLOCK=88000000
  61 +CONFIG_DEBUG_UART_BOARD_INIT=y
  62 +CONFIG_DEBUG_UART_ANNOUNCE=y
57 63 CONFIG_ATMEL_USART=y
58 64 CONFIG_DM_SPI=y
59 65 CONFIG_ATMEL_SPI=y
configs/sama5d4ek_spiflash_defconfig
Diff comments   View file @ 22e10be
... ... @@ -53,6 +53,12 @@
53 53 CONFIG_SPL_PINCTRL=y
54 54 CONFIG_PINCTRL_AT91=y
55 55 CONFIG_DM_SERIAL=y
  56 +CONFIG_DEBUG_UART=y
  57 +CONFIG_DEBUG_UART_ATMEL=y
  58 +CONFIG_DEBUG_UART_BASE=0xfc00c000
  59 +CONFIG_DEBUG_UART_CLOCK=88000000
  60 +CONFIG_DEBUG_UART_BOARD_INIT=y
  61 +CONFIG_DEBUG_UART_ANNOUNCE=y
56 62 CONFIG_ATMEL_USART=y
57 63 CONFIG_DM_SPI=y
58 64 CONFIG_ATMEL_SPI=y