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authorOded Gabbay <ogabbay@kernel.org>2023-10-30 13:23:57 +0300
committerOded Gabbay <ogabbay@kernel.org>2023-12-19 12:09:43 +0300
commit42422993cf28d456778ee9168d73758ec037cd51 (patch)
tree61db84b59ecd41f7ee72f1eff9f7828c5020c803
parente8bc0c1b1b730eb8759f5305ebd2d6876952e539 (diff)
downloadlinux-42422993cf28d456778ee9168d73758ec037cd51.tar.xz
accel/habanalabs: add support for Gaudi2C device
Gaudi2 with PCI revision ID with the value of '3' represents Gaudi2C device and should be detected and initialized as Gaudi2. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
-rw-r--r--drivers/accel/habanalabs/common/device.c3
-rw-r--r--drivers/accel/habanalabs/common/habanalabs.h2
-rw-r--r--drivers/accel/habanalabs/common/habanalabs_drv.c3
-rw-r--r--drivers/accel/habanalabs/common/mmu/mmu.c1
-rw-r--r--drivers/accel/habanalabs/common/sysfs.c3
-rw-r--r--drivers/accel/habanalabs/include/hw_ip/pci/pci_general.h1
6 files changed, 13 insertions, 0 deletions
diff --git a/drivers/accel/habanalabs/common/device.c b/drivers/accel/habanalabs/common/device.c
index d95a981b2906..d9447aeb3937 100644
--- a/drivers/accel/habanalabs/common/device.c
+++ b/drivers/accel/habanalabs/common/device.c
@@ -853,6 +853,9 @@ static int device_early_init(struct hl_device *hdev)
gaudi2_set_asic_funcs(hdev);
strscpy(hdev->asic_name, "GAUDI2B", sizeof(hdev->asic_name));
break;
+ case ASIC_GAUDI2C:
+ gaudi2_set_asic_funcs(hdev);
+ strscpy(hdev->asic_name, "GAUDI2C", sizeof(hdev->asic_name));
break;
default:
dev_err(hdev->dev, "Unrecognized ASIC type %d\n",
diff --git a/drivers/accel/habanalabs/common/habanalabs.h b/drivers/accel/habanalabs/common/habanalabs.h
index 5c69a482b8de..7b0209e5bad6 100644
--- a/drivers/accel/habanalabs/common/habanalabs.h
+++ b/drivers/accel/habanalabs/common/habanalabs.h
@@ -1262,6 +1262,7 @@ struct hl_dec {
* @ASIC_GAUDI_SEC: Gaudi secured device (HL-2000).
* @ASIC_GAUDI2: Gaudi2 device.
* @ASIC_GAUDI2B: Gaudi2B device.
+ * @ASIC_GAUDI2C: Gaudi2C device.
*/
enum hl_asic_type {
ASIC_INVALID,
@@ -1270,6 +1271,7 @@ enum hl_asic_type {
ASIC_GAUDI_SEC,
ASIC_GAUDI2,
ASIC_GAUDI2B,
+ ASIC_GAUDI2C,
};
struct hl_cs_parser;
diff --git a/drivers/accel/habanalabs/common/habanalabs_drv.c b/drivers/accel/habanalabs/common/habanalabs_drv.c
index 35ae0ff347f5..e542fd40e16c 100644
--- a/drivers/accel/habanalabs/common/habanalabs_drv.c
+++ b/drivers/accel/habanalabs/common/habanalabs_drv.c
@@ -141,6 +141,9 @@ static enum hl_asic_type get_asic_type(struct hl_device *hdev)
case REV_ID_B:
asic_type = ASIC_GAUDI2B;
break;
+ case REV_ID_C:
+ asic_type = ASIC_GAUDI2C;
+ break;
default:
break;
}
diff --git a/drivers/accel/habanalabs/common/mmu/mmu.c b/drivers/accel/habanalabs/common/mmu/mmu.c
index b2145716c605..b654302a68fc 100644
--- a/drivers/accel/habanalabs/common/mmu/mmu.c
+++ b/drivers/accel/habanalabs/common/mmu/mmu.c
@@ -596,6 +596,7 @@ int hl_mmu_if_set_funcs(struct hl_device *hdev)
break;
case ASIC_GAUDI2:
case ASIC_GAUDI2B:
+ case ASIC_GAUDI2C:
/* MMUs in Gaudi2 are always host resident */
hl_mmu_v2_hr_set_funcs(hdev, &hdev->mmu_func[MMU_HR_PGT]);
break;
diff --git a/drivers/accel/habanalabs/common/sysfs.c b/drivers/accel/habanalabs/common/sysfs.c
index 01f89f029355..278606373055 100644
--- a/drivers/accel/habanalabs/common/sysfs.c
+++ b/drivers/accel/habanalabs/common/sysfs.c
@@ -251,6 +251,9 @@ static ssize_t device_type_show(struct device *dev,
case ASIC_GAUDI2B:
str = "GAUDI2B";
break;
+ case ASIC_GAUDI2C:
+ str = "GAUDI2C";
+ 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 f5d497dc9bdc..4f951cada077 100644
--- a/drivers/accel/habanalabs/include/hw_ip/pci/pci_general.h
+++ b/drivers/accel/habanalabs/include/hw_ip/pci/pci_general.h
@@ -25,6 +25,7 @@ enum hl_revision_id {
REV_ID_INVALID = 0x00,
REV_ID_A = 0x01,
REV_ID_B = 0x02,
+ REV_ID_C = 0x03
};
#endif /* INCLUDE_PCI_GENERAL_H_ */