[U-Boot] [PATCH 08/22] imx: spl: add spl_board_boot_device for i.MX8MM

[Peng Fan]

Differnet board has different controller used, it is
hard to use one layout for them all.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/mach-imx/spl.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c
index 1f230aca33..7ada60d7a2 100644
--- a/arch/arm/mach-imx/spl.c
+++ b/arch/arm/mach-imx/spl.c
@@ -18,6 +18,11 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+__weak int spl_board_boot_device(enum boot_device boot_dev_spl)
+{
+	return 0;
+}
+
 #if defined(CONFIG_MX6)
 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
 u32 spl_boot_device(void)
@@ -127,6 +132,9 @@ u32 spl_boot_device(void)
 
 	enum boot_device boot_device_spl = get_boot_device();
 
+	if (IS_ENABLED(CONFIG_IMX8MM))
+		return spl_board_boot_device(boot_device_spl);
+
 	switch (boot_device_spl) {
 #if defined(CONFIG_MX7)
 	case SD1_BOOT:
-- 
2.16.4