[PATCH] habanalabs: add boot errors prints

Oded Gabbay
2020-11-14T09:24:22Z

From: Guy Nisan <gnisan@habana.ai>

Add log prints for security and eFuse boot error bits

Signed-off-by: Guy Nisan <gnisan@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.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