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; }