This enables us to detect if the i.MX6 SoC is booting from USB.
Signed-off-by: Sean Nyekjaer sean.nyekjaer@prevas.dk --- arch/arm/include/asm/arch-mx6/imx-regs.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index 095eb74195..10da611968 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -998,4 +998,11 @@ struct pwm_regs { u32 cnr; }; #endif /* __ASSEMBLER__*/ + +/* + * If ROM fail back to USB recover mode, USBPH0_PWD will be clear to use USB + * If boot from the other mode, USB0_PWD will keep reset value + */ +#define is_boot_from_usb(void) (!(readl(USB_PHY0_BASE_ADDR) & (1 << 20))) + #endif /* __ASM_ARCH_MX6_IMX_REGS_H__ */