diff --git a/common/spl/spl_spi.c b/common/spl/spl_spi.c
index 2744fb5d52..d6528f078f 100644
--- a/common/spl/spl_spi.c
+++ b/common/spl/spl_spi.c
@@ -70,6 +70,16 @@ unsigned int __weak spl_spi_get_uboot_offs(struct spi_flash *flash)
 	return CONFIG_SYS_SPI_U_BOOT_OFFS;
 }
 
+u32 __weak spl_spi_boot_bus(void)
+{
+	return CONFIG_SF_DEFAULT_BUS;
+}
+
+u32 __weak spl_spi_boot_cs(void)
+{
+	return CONFIG_SF_DEFAULT_CS;
+}
+
 /*
  * The main entry for SPI booting. It's necessary that SDRAM is already
  * configured and available since this code loads the main U-Boot image
@@ -82,15 +92,15 @@ static int spl_spi_load_image(struct spl_image_info *spl_image,
 	unsigned int payload_offs;
 	struct spi_flash *flash;
 	struct image_header *header;
+	unsigned int sf_bus = spl_spi_boot_bus();
+	unsigned int sf_cs = spl_spi_boot_cs();
 
 	/*
 	 * Load U-Boot image from SPI flash into RAM
 	 * In DM mode: defaults speed and mode will be
 	 * taken from DT when available
 	 */
-
-	flash = spi_flash_probe(CONFIG_SF_DEFAULT_BUS,
-				CONFIG_SF_DEFAULT_CS,
+	flash = spi_flash_probe(sf_bus, sf_cs,
 				CONFIG_SF_DEFAULT_SPEED,
 				CONFIG_SF_DEFAULT_MODE);
 	if (!flash) {
diff --git a/include/spl.h b/include/spl.h
index b72dfc7e3d..fb6055ad33 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -256,6 +256,22 @@ int spl_load_imx_container(struct spl_image_info *spl_image,
 void preloader_console_init(void);
 u32 spl_boot_device(void);
 
+/**
+ * spl_spi_boot_bus() - Lookup function for the SPI boot bus source.
+ *
+ * This function returns the SF bus to load from.
+ * If not overridden, it is weakly defined in common/spl/spl_spi.c.
+ */
+u32 spl_spi_boot_bus(void);
+
+/**
+ * spl_spi_boot_cs() - Lookup function for the SPI boot CS source.
+ *
+ * This function returns the SF CS to load from.
+ * If not overridden, it is weakly defined in common/spl/spl_spi.c.
+ */
+u32 spl_spi_boot_cs(void);
+
 /**
  * spl_mmc_boot_mode() - Lookup function for the mode of an MMC boot source.
  * @boot_device:	ID of the device which the MMC driver wants to read