[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.delau...@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