[PATCH 1/8] accel/habanalabs/gaudi2: add GAUDI2D revision support

From: Ofir Bitton
Date: Mon May 27 2024 - 11:17:44 EST


From: Farah Kassabri <fkassabri@xxxxxxxxx>

Gaudi2 with PCI revision ID with the value of '4' represents Gaudi2D
device and should be detected and initialized as Gaudi2.

Signed-off-by: Farah Kassabri <fkassabri@xxxxxxxxx>
Reviewed-by: Ofir Bitton <obitton@xxxxxxxxx>
---
drivers/accel/habanalabs/common/device.c | 4 ++++
drivers/accel/habanalabs/common/habanalabs.h | 3 +++
drivers/accel/habanalabs/common/habanalabs_drv.c | 3 +++
drivers/accel/habanalabs/common/mmu/mmu.c | 1 +
drivers/accel/habanalabs/common/sysfs.c | 3 +++
drivers/accel/habanalabs/include/hw_ip/pci/pci_general.h | 3 ++-
6 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/accel/habanalabs/common/device.c b/drivers/accel/habanalabs/common/device.c
index f9b8601c4396..fd117489a05a 100644
--- a/drivers/accel/habanalabs/common/device.c
+++ b/drivers/accel/habanalabs/common/device.c
@@ -862,6 +862,10 @@ static int device_early_init(struct hl_device *hdev)
gaudi2_set_asic_funcs(hdev);
strscpy(hdev->asic_name, "GAUDI2C", sizeof(hdev->asic_name));
break;
+ case ASIC_GAUDI2D:
+ gaudi2_set_asic_funcs(hdev);
+ strscpy(hdev->asic_name, "GAUDI2D", sizeof(hdev->asic_name));
+ break;
default:
dev_err(hdev->dev, "Unrecognized ASIC type %d\n",
hdev->asic_type);
diff --git a/drivers/accel/habanalabs/common/habanalabs.h b/drivers/accel/habanalabs/common/habanalabs.h
index 057087dc8592..0d16b5310add 100644
--- a/drivers/accel/habanalabs/common/habanalabs.h
+++ b/drivers/accel/habanalabs/common/habanalabs.h
@@ -1273,15 +1273,18 @@ struct hl_dec {
* @ASIC_GAUDI2: Gaudi2 device.
* @ASIC_GAUDI2B: Gaudi2B device.
* @ASIC_GAUDI2C: Gaudi2C device.
+ * @ASIC_GAUDI2D: Gaudi2D device.
*/
enum hl_asic_type {
ASIC_INVALID,
+
ASIC_GOYA,
ASIC_GAUDI,
ASIC_GAUDI_SEC,
ASIC_GAUDI2,
ASIC_GAUDI2B,
ASIC_GAUDI2C,
+ ASIC_GAUDI2D,
};

struct hl_cs_parser;
diff --git a/drivers/accel/habanalabs/common/habanalabs_drv.c b/drivers/accel/habanalabs/common/habanalabs_drv.c
index e542fd40e16c..b1613a82c7f2 100644
--- a/drivers/accel/habanalabs/common/habanalabs_drv.c
+++ b/drivers/accel/habanalabs/common/habanalabs_drv.c
@@ -144,6 +144,9 @@ static enum hl_asic_type get_asic_type(struct hl_device *hdev)
case REV_ID_C:
asic_type = ASIC_GAUDI2C;
break;
+ case REV_ID_D:
+ asic_type = ASIC_GAUDI2D;
+ break;
default:
break;
}
diff --git a/drivers/accel/habanalabs/common/mmu/mmu.c b/drivers/accel/habanalabs/common/mmu/mmu.c
index a9813ffcde14..79823facce7f 100644
--- a/drivers/accel/habanalabs/common/mmu/mmu.c
+++ b/drivers/accel/habanalabs/common/mmu/mmu.c
@@ -600,6 +600,7 @@ int hl_mmu_if_set_funcs(struct hl_device *hdev)
case ASIC_GAUDI2:
case ASIC_GAUDI2B:
case ASIC_GAUDI2C:
+ case ASIC_GAUDI2D:
hl_mmu_v2_set_funcs(hdev, &hdev->mmu_func[MMU_DR_PGT]);
if (prop->pmmu.host_resident)
hl_mmu_v2_hr_set_funcs(hdev, &hdev->mmu_func[MMU_HR_PGT]);
diff --git a/drivers/accel/habanalabs/common/sysfs.c b/drivers/accel/habanalabs/common/sysfs.c
index 8a9f98832157..b6c63f8a0c1b 100644
--- a/drivers/accel/habanalabs/common/sysfs.c
+++ b/drivers/accel/habanalabs/common/sysfs.c
@@ -270,6 +270,9 @@ static ssize_t device_type_show(struct device *dev,
case ASIC_GAUDI2C:
str = "GAUDI2C";
break;
+ case ASIC_GAUDI2D:
+ str = "GAUDI2D";
+ break;
default:
dev_err(hdev->dev, "Unrecognized ASIC type %d\n",
hdev->asic_type);
diff --git a/drivers/accel/habanalabs/include/hw_ip/pci/pci_general.h b/drivers/accel/habanalabs/include/hw_ip/pci/pci_general.h
index 4f951cada077..a75faa00197f 100644
--- a/drivers/accel/habanalabs/include/hw_ip/pci/pci_general.h
+++ b/drivers/accel/habanalabs/include/hw_ip/pci/pci_general.h
@@ -25,7 +25,8 @@ enum hl_revision_id {
REV_ID_INVALID = 0x00,
REV_ID_A = 0x01,
REV_ID_B = 0x02,
- REV_ID_C = 0x03
+ REV_ID_C = 0x03,
+ REV_ID_D = 0x04
};

#endif /* INCLUDE_PCI_GENERAL_H_ */
--
2.34.1