From 65e38e81acb0c1eb0b0478626b1985e9ae9055c6 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Wed, 22 Apr 2020 13:18:10 +0200
Subject: [PATCH] ARM: stm32: Add board_early_init_f() to SPL
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.
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Patrice Chotard <patrice.chotard@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 f85391c6af..9fbc3ac953 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);
--
2.39.5