[PATCH 2/6] ARM: stm32: Add board_early_init_f() to SPL

[Marek Vasut]

Add weak implementation of board_early_init_f() hook into the
STM32MP1 SPL. This can be used to read out e.g. configuration
straps before initializing the DRAM.

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Cc: Patrick Delaunay <patrick.delaunay at st.com>
Cc: Patrice Chotard <patrice.chotard at st.com>
---
 arch/arm/mach-stm32mp/spl.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/mach-stm32mp/spl.c b/arch/arm/mach-stm32mp/spl.c
index ca4231cd0d..cd14d1065e 100644
--- a/arch/arm/mach-stm32mp/spl.c
+++ b/arch/arm/mach-stm32mp/spl.c
@@ -76,6 +76,11 @@ void spl_display_print(void)
 }
 #endif
 
+__weak int board_early_init_f(void)
+{
+	return 0;
+}
+
 void board_init_f(ulong dummy)
 {
 	struct udevice *dev;
@@ -110,6 +115,12 @@ void board_init_f(ulong dummy)
 	/* enable console uart printing */
 	preloader_console_init();
 
+	ret = board_early_init_f();
+	if (ret) {
+		debug("board_early_init_f() failed: %d\n", ret);
+		hang();
+	}
+
 	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
 	if (ret) {
 		printf("DRAM init failed: %d\n", ret);
-- 
2.25.1