linux-kernel - [PATCH] habanalabs: add boot errors prints

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Date:   Sat, 14 Nov 2020 11:24:11 +0200
From:   Oded Gabbay <ogabbay@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     SW_Drivers@...ana.ai, Guy Nisan <gnisan@...ana.ai>
Subject: [PATCH] habanalabs: add boot errors prints

From: Guy Nisan <gnisan@...ana.ai>

Add log prints for security and eFuse boot error bits

Signed-off-by: Guy Nisan <gnisan@...ana.ai>
Reviewed-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
 drivers/misc/habanalabs/common/firmware_if.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index b5464cd34071..e37d451e6415 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -510,6 +510,13 @@ static void fw_read_errors(struct hl_device *hdev, u32 boot_err0_reg,
 	if (err_val & CPU_BOOT_ERR0_NIC_FW_FAIL)
 		dev_err(hdev->dev,
 			"Device boot error - NIC F/W initialization failed\n");
+	if (err_val & CPU_BOOT_ERR0_SECURITY_NOT_RDY)
+		dev_warn(hdev->dev,
+			"Device boot warning - security not ready\n");
+	if (err_val & CPU_BOOT_ERR0_SECURITY_FAIL)
+		dev_err(hdev->dev, "Device boot error - security failure\n");
+	if (err_val & CPU_BOOT_ERR0_EFUSE_FAIL)
+		dev_err(hdev->dev, "Device boot error - eFuse failure\n");
 
 	security_val = RREG32(cpu_security_boot_status_reg);
 	if (security_val & CPU_BOOT_DEV_STS0_ENABLED)
-- 
2.17.1