[PATCH] arm64: zynqmp: Add debug messages to bl2_plat_get_bl31_params()

Michal Simek monstr at monstr.eu
Wed May 18 13:02:23 CEST 2022


It is useful to get information about BL type and entry address that's why
add some debug messages.

Signed-off-by: Michal Simek <michal.simek at amd.com>
---

 arch/arm/mach-zynqmp/handoff.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/mach-zynqmp/handoff.c b/arch/arm/mach-zynqmp/handoff.c
index 31346d9b2e21..b9e0c6c536be 100644
--- a/arch/arm/mach-zynqmp/handoff.c
+++ b/arch/arm/mach-zynqmp/handoff.c
@@ -79,7 +79,10 @@ struct bl31_params *bl2_plat_get_bl31_params(uintptr_t bl32_entry,
 	atfhandoffparams->magic[2] = 'N';
 	atfhandoffparams->magic[3] = 'X';
 
+	debug("Creating handoff:\n");
+
 	if (bl32_entry) {
+		debug(" to BL32 at 0x%x EL-1, Secure\n", (u32)bl32_entry);
 		atfhandoffparams->partition[index].entry_point = bl32_entry;
 		atfhandoffparams->partition[index].flags = FSBL_FLAGS_EL1 << FSBL_FLAGS_EL_SHIFT |
 							   FSBL_FLAGS_SECURE << FSBL_FLAGS_TZ_SHIFT;
@@ -87,6 +90,7 @@ struct bl31_params *bl2_plat_get_bl31_params(uintptr_t bl32_entry,
 	}
 
 	if (bl33_entry) {
+		debug(" to BL33 at 0x%x EL-2\n", (u32)bl33_entry);
 		atfhandoffparams->partition[index].entry_point = bl33_entry;
 		atfhandoffparams->partition[index].flags = FSBL_FLAGS_EL2 <<
 							   FSBL_FLAGS_EL_SHIFT;
-- 
2.36.0



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