From: Jorge Ramirez-Ortiz <jorge@foundries.io>
To: jorge@foundries.io, monstr@monstr.eu
Cc: adrian.fiergolski@fastree3d.com, sjg@chromium.org,
ibai.erkiaga-elorza@xilinx.com, t.karthik.reddy@xilinx.com,
u-boot@lists.denx.de, ricardo@foundries.io
Subject: [PATCH] arm64: zynqmp: Print the secure boot status information in EL3
Date: Thu, 22 Jul 2021 13:19:32 +0200 [thread overview]
Message-ID: <20210722111932.5544-1-jorge@foundries.io> (raw)
Confirm the secure boot configuration on the console.
Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
---
arch/arm/mach-zynqmp/include/mach/hardware.h | 3 ++-
board/xilinx/zynqmp/zynqmp.c | 16 +++++++++++++++-
2 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-zynqmp/include/mach/hardware.h b/arch/arm/mach-zynqmp/include/mach/hardware.h
index 3776499070..3d3ffa086e 100644
--- a/arch/arm/mach-zynqmp/include/mach/hardware.h
+++ b/arch/arm/mach-zynqmp/include/mach/hardware.h
@@ -139,7 +139,8 @@ struct apu_regs {
#define ZYNQMP_SILICON_VER_SHIFT 0
struct csu_regs {
- u32 reserved0[4];
+ u32 status;
+ u32 reserved0[3];
u32 multi_boot;
u32 reserved1[11];
u32 idcode;
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index 1748fec2e4..b7d11630d1 100644
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -355,6 +355,18 @@ static int multi_boot(void)
return 0;
}
+static void secure_boot(void)
+{
+ u32 status;
+
+ status = readl(&csu_base->status);
+ if (status & (BIT(0) | BIT(1))) {
+ printf("Secure Boot:\t%s%s\n",
+ status & BIT(0) ? "authenticated" : "not authenticated",
+ status & BIT(1) ? ", encrypted" : ", not encrypted");
+ }
+}
+
#define PS_SYSMON_ANALOG_BUS_VAL 0x3210
#define PS_SYSMON_ANALOG_BUS_REG 0xFFA50914
@@ -391,8 +403,10 @@ int board_init(void)
fpga_add(fpga_xilinx, &zynqmppl);
#endif
- if (current_el() == 3)
+ if (current_el() == 3) {
multi_boot();
+ secure_boot();
+ }
return 0;
}
--
2.31.1
next reply other threads:[~2021-07-22 11:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-22 11:19 Jorge Ramirez-Ortiz [this message]
2021-07-22 16:00 ` [PATCH] arm64: zynqmp: Print the secure boot status information in EL3 Igor Opaniuk
2021-08-11 18:55 ` Jorge Ramirez-Ortiz, Foundries
2021-08-12 5:29 ` Michal Simek
2021-08-27 9:20 ` Jorge Ramirez-Ortiz, Foundries
2021-10-05 11:13 Jorge Ramirez-Ortiz
2021-10-05 11:19 ` Igor Opaniuk
2021-10-05 11:28 ` Oleksandr Suvorov
2021-10-05 12:23 ` Michal Simek
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