Eric Lee / smarc-uboot

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Commit c1868adf6444e8fb600575affb634cad2f2ff8f5

Authored by Wenyou Yang
Committed by Simon Glass
1 parent adc6b2863e
Exists in smarc_8mq_lf_v2020.04 and in 17 other branches 8qm-imx_v2020.04_5.4.70_2.3.0, emb_lf_v2022.04, 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: at91sam9n12ek: 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: Simon Glass <sjg@chromium.org>

Showing 4 changed files with 31 additions and 0 deletions Side-by-side Diff

board/atmel/at91sam9n12ek/at91sam9n12ek.c
Diff comments   View file @ c1868ad
... ... @@ -13,6 +13,7 @@
13 13 #include <asm/arch/at91_rstc.h>
14 14 #include <asm/arch/at91_pio.h>
15 15 #include <asm/arch/clk.h>
  16 +#include <debug_uart.h>
16 17 #include <lcd.h>
17 18 #include <atmel_hlcdc.h>
18 19 #include <netdev.h>
19 20  
20 21  
... ... @@ -162,10 +163,22 @@
162 163 }
163 164 #endif
164 165  
  166 +#ifdef CONFIG_DEBUG_UART_BOARD_INIT
  167 +void board_debug_uart_init(void)
  168 +{
  169 + at91_seriald_hw_init();
  170 +}
  171 +#endif
  172 +
  173 +#ifdef CONFIG_BOARD_EARLY_INIT_F
165 174 int board_early_init_f(void)
166 175 {
  176 +#ifdef CONFIG_DEBUG_UART
  177 + debug_uart_init();
  178 +#endif
167 179 return 0;
168 180 }
  181 +#endif
169 182  
170 183 int board_init(void)
171 184 {
configs/at91sam9n12ek_mmc_defconfig
Diff comments   View file @ c1868ad
... ... @@ -35,6 +35,12 @@
35 35 CONFIG_PINCTRL=y
36 36 CONFIG_PINCTRL_AT91=y
37 37 CONFIG_DM_SERIAL=y
  38 +CONFIG_DEBUG_UART=y
  39 +CONFIG_DEBUG_UART_ATMEL=y
  40 +CONFIG_DEBUG_UART_BASE=0xfffff200
  41 +CONFIG_DEBUG_UART_CLOCK=132000000
  42 +CONFIG_DEBUG_UART_BOARD_INIT=y
  43 +CONFIG_DEBUG_UART_ANNOUNCE=y
38 44 CONFIG_ATMEL_USART=y
39 45 CONFIG_DM_SPI=y
40 46 CONFIG_ATMEL_SPI=y
configs/at91sam9n12ek_nandflash_defconfig
Diff comments   View file @ c1868ad
... ... @@ -35,6 +35,12 @@
35 35 CONFIG_PINCTRL=y
36 36 CONFIG_PINCTRL_AT91=y
37 37 CONFIG_DM_SERIAL=y
  38 +CONFIG_DEBUG_UART=y
  39 +CONFIG_DEBUG_UART_ATMEL=y
  40 +CONFIG_DEBUG_UART_BASE=0xfffff200
  41 +CONFIG_DEBUG_UART_CLOCK=132000000
  42 +CONFIG_DEBUG_UART_BOARD_INIT=y
  43 +CONFIG_DEBUG_UART_ANNOUNCE=y
38 44 CONFIG_ATMEL_USART=y
39 45 CONFIG_DM_SPI=y
40 46 CONFIG_ATMEL_SPI=y
configs/at91sam9n12ek_spiflash_defconfig
Diff comments   View file @ c1868ad
... ... @@ -35,6 +35,12 @@
35 35 CONFIG_PINCTRL=y
36 36 CONFIG_PINCTRL_AT91=y
37 37 CONFIG_DM_SERIAL=y
  38 +CONFIG_DEBUG_UART=y
  39 +CONFIG_DEBUG_UART_ATMEL=y
  40 +CONFIG_DEBUG_UART_BASE=0xfffff200
  41 +CONFIG_DEBUG_UART_CLOCK=132000000
  42 +CONFIG_DEBUG_UART_BOARD_INIT=y
  43 +CONFIG_DEBUG_UART_ANNOUNCE=y
38 44 CONFIG_ATMEL_USART=y
39 45 CONFIG_DM_SPI=y
40 46 CONFIG_ATMEL_SPI=y