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board: sl28: support dynamic prompts

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Depending on the boot source, set different CLI prompts. This will help
the user to figure out in which mode the bootloader was started. There
are two special modes: failsafe and SDHC boot.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Michael Walle 2022-08-23 11:30:17 +02:00 • committed by Peng Fan
parent 9f46117123
commit 865176417a
2 changed files with 21 additions and 0 deletions
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20
board/kontron/sl28/sl28.c
View file

@ -126,8 +126,28 @@ static void stop_recovery_watchdog(void)
wdt_stop(dev); wdt_stop(dev);
} }
static void sl28_set_prompt(void)
{
enum boot_source src = sl28_boot_source();
switch (src) {
case BOOT_SOURCE_SPI:
env_set("PS1", "[FAILSAFE] => ");
break;
case BOOT_SOURCE_SDHC:
env_set("PS1", "[SDHC] => ");
break;
default:
env_set("PS1", NULL);
break;
}
}
int fsl_board_late_init(void) int fsl_board_late_init(void)
{ {
if (IS_ENABLED(CONFIG_CMDLINE_PS_SUPPORT))
sl28_set_prompt();
/* /*
* Usually, the after a board reset, the watchdog is enabled by * Usually, the after a board reset, the watchdog is enabled by
* default. This is to supervise the bootloader boot-up. Therefore, * default. This is to supervise the bootloader boot-up. Therefore,

1
configs/kontron_sl28_defconfig
View file

@ -55,6 +55,7 @@ CONFIG_SPL_SPI_LOAD=y
CONFIG_SYS_CBSIZE=256 CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=276 CONFIG_SYS_PBSIZE=276
CONFIG_SYS_BOOTM_LEN=0x800000 CONFIG_SYS_BOOTM_LEN=0x800000
CONFIG_CMDLINE_PS_SUPPORT=y
CONFIG_CMD_ASKENV=y CONFIG_CMD_ASKENV=y
CONFIG_CMD_GREPENV=y CONFIG_CMD_GREPENV=y
CONFIG_CMD_NVEDIT_EFI=y CONFIG_CMD_NVEDIT_EFI=y