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Date: Tue, 29 Dec 2020 23:36:49 +0200 From: Oded Gabbay <ogabbay@...nel.org> To: linux-kernel@...r.kernel.org Cc: Ofir Bitton <obitton@...ana.ai> Subject: [PATCH 4/8] habanalabs/gaudi: add debug prints for security status From: Ofir Bitton <obitton@...ana.ai> In order to have more information while debugging boot issues, we should print the firmware security status at every boot stage. Signed-off-by: Ofir Bitton <obitton@...ana.ai> Reviewed-by: Oded Gabbay <ogabbay@...nel.org> Signed-off-by: Oded Gabbay <ogabbay@...nel.org> --- drivers/misc/habanalabs/common/firmware_if.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index 20f77f58edef..94dda314233b 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -654,6 +654,9 @@ int hl_fw_read_preboot_status(struct hl_device *hdev, u32 cpu_boot_status_reg, prop->fw_security_disabled = true; } + dev_dbg(hdev->dev, "Firmware preboot security status %#x\n", + security_status); + dev_dbg(hdev->dev, "Firmware preboot hard-reset is %s\n", prop->hard_reset_done_by_fw ? "enabled" : "disabled"); @@ -748,6 +751,10 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg, if (prop->fw_boot_cpu_security_map & CPU_BOOT_DEV_STS0_FW_HARD_RST_EN) prop->hard_reset_done_by_fw = true; + + dev_dbg(hdev->dev, + "Firmware boot CPU security status %#x\n", + prop->fw_boot_cpu_security_map); } dev_dbg(hdev->dev, "Firmware boot CPU hard-reset is %s\n", @@ -832,6 +839,10 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg, if (prop->fw_app_security_map & CPU_BOOT_DEV_STS0_FW_HARD_RST_EN) prop->hard_reset_done_by_fw = true; + + dev_dbg(hdev->dev, + "Firmware application CPU security status %#x\n", + prop->fw_app_security_map); } dev_dbg(hdev->dev, "Firmware application CPU hard-reset is %s\n", -- 2.25.1
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