This patch implements the basic callback hooks for
hab_rvt_check_failsafe for BootROM code using the older BootROM address
layout - in my test case the i.MX7. Code based on new BootROM callbacks
will just do nothing and there's definitely a TODO to implement that extra
functionality on the alternative BootROM API.

Signed-off-by: Bryan O'Donoghue <bryan.odonog...@linaro.org>
Cc: Stefano Babic <sba...@denx.de>
Cc: Fabio Estevam <fabio.este...@nxp.com>
Cc: Peng Fan <peng....@nxp.com>
Cc: Albert Aribaud <albert.u.b...@aribaud.net>
Cc: Sven Ebenfeld <sven.ebenf...@gmail.com>
Cc: George McCollister <george.mccollis...@gmail.com>
Cc: Breno Matheus Lima <brenomath...@gmail.com>
Tested-by: Breno Lima <breno.l...@nxp.com>
Reviewed-by: Fabio Estevam <fabio.este...@nxp.com>
---
 arch/arm/mach-imx/hab.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/mach-imx/hab.c b/arch/arm/mach-imx/hab.c
index d1c5f69..1236717 100644
--- a/arch/arm/mach-imx/hab.c
+++ b/arch/arm/mach-imx/hab.c
@@ -70,6 +70,21 @@
        ((hab_rvt_exit_t *)HAB_RVT_EXIT)                        \
 )
 
+static inline void hab_rvt_failsafe_new(void)
+{
+}
+
+#define hab_rvt_failsafe_p                             \
+(                                                      \
+       (is_mx6dqp()) ?                                 \
+       ((hab_rvt_failsafe_t *)hab_rvt_failsafe_new) :  \
+       (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ?   \
+       ((hab_rvt_failsafe_t *)hab_rvt_failsafe_new) :  \
+       (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ?  \
+       ((hab_rvt_failsafe_t *)hab_rvt_failsafe_new) :  \
+       ((hab_rvt_failsafe_t *)HAB_RVT_FAILSAFE)        \
+)
+
 static inline enum hab_status hab_rvt_check_target_new(enum hab_target target,
                                                       const void *start,
                                                       size_t bytes)
-- 
2.7.4

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