[PATCH 06/16] arm: stm32mp: spl: display error in board_init_f

[Patrick Delaunay]

Update board_init_f and try to display error message
when console is available.

This patch adds trace to debug a spl boot issue when DEBUG
and DEBUG_UART is not activated, after uart probe.

Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
---

 arch/arm/mach-stm32mp/spl.c | 33 ++++++++++++++++-----------------
 1 file changed, 16 insertions(+), 17 deletions(-)

diff --git a/arch/arm/mach-stm32mp/spl.c b/arch/arm/mach-stm32mp/spl.c
index ca4231cd0d..dfdb5bb7e9 100644
--- a/arch/arm/mach-stm32mp/spl.c
+++ b/arch/arm/mach-stm32mp/spl.c
@@ -79,37 +79,36 @@ void spl_display_print(void)
 void board_init_f(ulong dummy)
 {
 	struct udevice *dev;
-	int ret;
+	int ret, clk, reset, pinctrl;
 
 	arch_cpu_init();
 
 	ret = spl_early_init();
 	if (ret) {
-		debug("spl_early_init() failed: %d\n", ret);
+		debug("%s: spl_early_init() failed: %d\n", __func__, ret);
 		hang();
 	}
 
-	ret = uclass_get_device(UCLASS_CLK, 0, &dev);
-	if (ret) {
-		debug("Clock init failed: %d\n", ret);
-		return;
-	}
+	clk = uclass_get_device(UCLASS_CLK, 0, &dev);
+	if (clk)
+		debug("%s: Clock init failed: %d\n", __func__, clk);
 
-	ret = uclass_get_device(UCLASS_RESET, 0, &dev);
-	if (ret) {
-		debug("Reset init failed: %d\n", ret);
-		return;
-	}
+	reset = uclass_get_device(UCLASS_RESET, 0, &dev);
+	if (reset)
+		debug("%s: Reset init failed: %d\n", __func__, reset);
 
-	ret = uclass_get_device(UCLASS_PINCTRL, 0, &dev);
-	if (ret) {
-		debug("%s: Cannot find pinctrl device\n", __func__);
-		return;
-	}
+	pinctrl = uclass_get_device(UCLASS_PINCTRL, 0, &dev);
+	if (pinctrl)
+		debug("%s: Cannot find pinctrl device: %d\n",
+		      __func__, pinctrl);
 
 	/* enable console uart printing */
 	preloader_console_init();
 
+	if (clk || reset || pinctrl)
+		printf("%s: probe failed clk=%d reset=%d pinctrl=%d\n",
+		       __func__, clk, reset, pinctrl);
+
 	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
 	if (ret) {
 		printf("DRAM init failed: %d\n", ret);
-- 
2.17.1