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| author | Koby Elbaz <kelbaz@habana.ai> | 2021-03-11 15:32:55 +0200 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-04-09 14:09:24 +0300 |
| commit | 7d21114b03618a1b528804a631098b471eac6481 (patch) | |
| tree | e52a4d42eabccd957273e452f8148419391981f1 /drivers/misc | |
| parent | ae382c22fc06058b24bb49c92f3b0af653499589 (diff) | |
| download | linux-7d21114b03618a1b528804a631098b471eac6481.tar.gz linux-7d21114b03618a1b528804a631098b471eac6481.tar.bz2 linux-7d21114b03618a1b528804a631098b471eac6481.zip | |
habanalabs: support DEVICE_UNUSABLE error indication from FW
In case of multiple ECC errors, FW will set the DEVICE_UNUSABLE bit.
On boot-up, the driver will therefore fail inserting the device.
Signed-off-by: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/habanalabs/common/firmware_if.c | 3 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/include/common/hl_boot_if.h | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index 092691a8917d..d81a8d537373 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -342,6 +342,9 @@ static int fw_read_errors(struct hl_device *hdev, u32 boot_err0_reg, dev_err(hdev->dev, "Device boot error - eFuse failure\n"); if (err_val & CPU_BOOT_ERR0_PLL_FAIL) dev_err(hdev->dev, "Device boot error - PLL failure\n"); + if (err_val & CPU_BOOT_ERR0_DEVICE_UNUSABLE_FAIL) + dev_err(hdev->dev, + "Device boot error - device unusable failure\n"); security_val = RREG32(cpu_security_boot_status_reg); if (security_val & CPU_BOOT_DEV_STS0_ENABLED) diff --git a/drivers/misc/habanalabs/include/common/hl_boot_if.h b/drivers/misc/habanalabs/include/common/hl_boot_if.h index 1717874ff306..980b432fd76e 100644 --- a/drivers/misc/habanalabs/include/common/hl_boot_if.h +++ b/drivers/misc/habanalabs/include/common/hl_boot_if.h @@ -73,6 +73,9 @@ * CPU_BOOT_ERR0_PLL_FAIL PLL settings failed, meaning that one * of the PLLs remains in REF_CLK * + * CPU_BOOT_ERR0_DEVICE_UNUSABLE_FAIL Device is unusable and customer support + * should be contacted. + * * CPU_BOOT_ERR0_ENABLED Error registers enabled. * This is a main indication that the * running FW populates the error @@ -92,6 +95,7 @@ #define CPU_BOOT_ERR0_PRI_IMG_VER_FAIL (1 << 10) #define CPU_BOOT_ERR0_SEC_IMG_VER_FAIL (1 << 11) #define CPU_BOOT_ERR0_PLL_FAIL (1 << 12) +#define CPU_BOOT_ERR0_DEVICE_UNUSABLE_FAIL (1 << 13) #define CPU_BOOT_ERR0_ENABLED (1 << 31) /* |