diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/spl.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c index 258578ac25..82ea6b85d6 100644 --- a/arch/arm/mach-imx/spl.c +++ b/arch/arm/mach-imx/spl.c @@ -31,6 +31,18 @@ u32 spl_boot_device(void) if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */ return BOOT_DEVICE_BOARD; + /* + * The above method does not detect that the boot ROM used + * serial downloader in case the boot ROM decided to use the + * serial downloader as a fall back (primary boot source failed). + * + * Infer that the boot ROM used the USB serial downloader by + * checking whether the USB PHY is currently active... This + * assumes that SPL did not (yet) initialize the USB PHY... + */ + if (is_usbotg_phy_active()) + return BOOT_DEVICE_BOARD; + /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */ switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) { /* EIM: See 8.5.1, Table 8-9 */ |