mx6: Use imx6_src_get_boot_mode() to check boot device

Use imx6_src_get_boot_mode() instead of manually reading SBMR1.  The
existing function has proper handling for software overrides of the
bootdevice which can happen, for example, when booting from an alternate
source using `bmode`.

Signed-off-by: Harald Seiler <hws@denx.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>

diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c
index aacfc854a2f873ddc8c5bc3ce6bcc5e361b9d0da..bc56ef2b0b206d187ffda2883121896d89e72060 100644 (file)
--- a/arch/arm/mach-imx/mx6/soc.c
+++ b/arch/arm/mach-imx/mx6/soc.c
@@ -498,8 +498,7 @@ __weak int board_mmc_get_env_dev(int devno)
 
 static int mmc_get_boot_dev(void)
 {
-       struct src *src_regs = (struct src *)SRC_BASE_ADDR;
-       u32 soc_sbmr = readl(&src_regs->sbmr1);
+       u32 soc_sbmr = imx6_src_get_boot_mode();
        u32 bootsel;
        int devno;