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arm64: zynqmp: Print the secure boot status information

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Output the secure boot configuration to the console.

Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
Link: https://lore.kernel.org/r/20211013170447.10414-1-jorge@foundries.io
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Jorge Ramirez-Ortiz 2021-10-13 19:04:47 +02:00 committed by Michal Simek
parent 19fdc166f7
commit 25a91f3005
2 changed files with 19 additions and 1 deletions
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6
arch/arm/mach-zynqmp/include/mach/hardware.h
View File

@ -152,8 +152,12 @@ struct apu_regs {
#define CSU_JTAG_CHAIN_WR_SETUP GENMASK(1, 0)
#define CSU_PCAP_PROG_RELEASE_PL BIT(0)
#define ZYNQMP_CSU_STATUS_AUTHENTICATED BIT(0)
#define ZYNQMP_CSU_STATUS_ENCRYPTED BIT(1)
struct csu_regs {
u32 reserved0[4];
u32 status;
u32 reserved0[3];
u32 multi_boot;
u32 reserved1[7];
u32 jtag_chain_status_wr;

14
board/xilinx/zynqmp/zynqmp.c
View File

@ -373,6 +373,18 @@ static void restore_jtag(void)
}
#endif
static void print_secure_boot(void)
{
u32 status = 0;
if (zynqmp_mmio_read((ulong)&csu_base->status, &status))
return;
printf("Secure Boot:\t%sauthenticated, %sencrypted\n",
status & ZYNQMP_CSU_STATUS_AUTHENTICATED ? "" : "not ",
status & ZYNQMP_CSU_STATUS_ENCRYPTED ? "" : "not ");
}
#define PS_SYSMON_ANALOG_BUS_VAL 0x3210
#define PS_SYSMON_ANALOG_BUS_REG 0xFFA50914
@ -413,6 +425,8 @@ int board_init(void)
fpga_add(fpga_xilinx, &zynqmppl);
#endif
/* display secure boot information */
print_secure_boot();
if (current_el() == 3)
printf("Multiboot:\t%d\n", multi_boot());