imx: use BOOT_DEVICE_BOARD instead of UART

i.MX 6 serial downloader is not necessarily booting via UART but can
also boot from USB. In fact only some i.MX chips have serial
downloader support via UART (e.g. 6UL/ULL and Vybrid) but all of
them have serial downloader support via USB. Use the more appropriate
BOOT_DEVICE_BOARD define which is used for ROM provided recovery
mechanisms in general.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>

diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c
index 836b334fa99eee15e6966b891b2dc2645a93398e..bcd1033fdbd4385b764dadd4d2d0c8c590611761 100644 (file)
--- a/arch/arm/mach-imx/spl.c
+++ b/arch/arm/mach-imx/spl.c
@@ -27,7 +27,7 @@ u32 spl_boot_device(void)
         * BOOT_MODE - see IMX6DQRM Table 8-1
         */
        if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
-               return BOOT_DEVICE_UART;
+               return BOOT_DEVICE_BOARD;
 
        /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
        switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
@@ -43,7 +43,7 @@ u32 spl_boot_device(void)
                }
        /* Reserved: Used to force Serial Downloader */
        case IMX6_BMODE_RESERVED:
-               return BOOT_DEVICE_UART;
+               return BOOT_DEVICE_BOARD;
        /* SATA: See 8.5.4, Table 8-20 */
        case IMX6_BMODE_SATA:
                return BOOT_DEVICE_SATA;