board: sl28: support dynamic prompts

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>

diff --git a/board/kontron/sl28/sl28.c b/board/kontron/sl28/sl28.c
index 54719cc01c81546eb78a47ee60b4d46593699026..0576b3eae482b534f16296d50a24bd385ab471a2 100644 (file)
--- a/board/kontron/sl28/sl28.c
+++ b/board/kontron/sl28/sl28.c
@@ -126,8 +126,28 @@ static void stop_recovery_watchdog(void)
                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)
 {
+       if (IS_ENABLED(CONFIG_CMDLINE_PS_SUPPORT))
+               sl28_set_prompt();
+
        /*
         * Usually, the after a board reset, the watchdog is enabled by
         * default. This is to supervise the bootloader boot-up. Therefore,

diff --git a/configs/kontron_sl28_defconfig b/configs/kontron_sl28_defconfig
index 4d50c681f94b0e3c4b333f4473d5453c26b9d3f3..fc1c60792757482e51993a31dc645c8dbacd8053 100644 (file)
--- a/configs/kontron_sl28_defconfig
+++ b/configs/kontron_sl28_defconfig
@@ -55,6 +55,7 @@ CONFIG_SPL_SPI_LOAD=y
 CONFIG_SYS_CBSIZE=256
 CONFIG_SYS_PBSIZE=276
 CONFIG_SYS_BOOTM_LEN=0x800000
+CONFIG_CMDLINE_PS_SUPPORT=y
 CONFIG_CMD_ASKENV=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_NVEDIT_EFI=y