Implement the 'getprisec' subcommand of 'bmode' command for i.MX7 by reading out the SRC GPR10 bit 30. This bit is either set by the BootROM if it switched to the secondary copy due to primary copy being corrupted OR it can be overridden by the user.
Signed-off-by: Marek Vasut marex@denx.de Cc: Fabio Estevam festevam@gmail.com Cc: NXP i.MX U-Boot Team uboot-imx@nxp.com Cc: Peng Fan peng.fan@nxp.com Cc: Stefano Babic sbabic@denx.de --- arch/arm/mach-imx/mx7/soc.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c index b6fd25a991..c90f7354ea 100644 --- a/arch/arm/mach-imx/mx7/soc.c +++ b/arch/arm/mach-imx/mx7/soc.c @@ -419,6 +419,13 @@ const struct boot_mode soc_boot_modes[] = { {"secondary", MAKE_CFGVAL_SECONDARY_BOOT}, {NULL, 0}, }; + +int boot_mode_getprisec(void) +{ + struct src *psrc = (struct src *)SRC_BASE_ADDR; + + return !!(readl(&psrc->gpr10) & IMX7_SRC_GPR10_PERSIST_SECONDARY_BOOT); +} #endif
void reset_misc(void)