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List:       u-boot
Subject:    [U-Boot] [PATCH v3 23/25] arm: imx: hab: Implement hab_rvt_failsafe
From:       Bryan O'Donoghue <bryan.odonoghue () linaro ! org>
Date:       2017-12-30 1:08:58
Message-ID: 1514596142-22050-30-git-send-email-bryan.odonoghue () linaro ! org
[Download RAW message or body]

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.odonoghue@linaro.org>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Sven Ebenfeld <sven.ebenfeld@gmail.com>
Cc: George McCollister <george.mccollister@gmail.com>
Cc: Breno Matheus Lima <brenomatheus@gmail.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 1f3253e..8d04917 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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