summaryrefslogtreecommitdiffstats
path: root/drivers/misc/habanalabs/common/firmware_if.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/habanalabs/common/firmware_if.c')
-rw-r--r--drivers/misc/habanalabs/common/firmware_if.c157
1 files changed, 102 insertions, 55 deletions
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index c9a12980218a..09706c571e95 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -90,9 +90,10 @@ int hl_fw_send_pci_access_msg(struct hl_device *hdev, u32 opcode)
int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
u16 len, u32 timeout, u64 *result)
{
+ struct hl_hw_queue *queue = &hdev->kernel_queues[hw_queue_id];
struct cpucp_packet *pkt;
dma_addr_t pkt_dma_addr;
- u32 tmp;
+ u32 tmp, expected_ack_val;
int rc = 0;
pkt = hdev->asic_funcs->cpu_accessible_dma_pool_alloc(hdev, len,
@@ -115,14 +116,23 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
goto out;
}
+ /* set fence to a non valid value */
+ pkt->fence = UINT_MAX;
+
rc = hl_hw_queue_send_cb_no_cmpl(hdev, hw_queue_id, len, pkt_dma_addr);
if (rc) {
dev_err(hdev->dev, "Failed to send CB on CPU PQ (%d)\n", rc);
goto out;
}
+ if (hdev->asic_prop.fw_app_security_map &
+ CPU_BOOT_DEV_STS0_PKT_PI_ACK_EN)
+ expected_ack_val = queue->pi;
+ else
+ expected_ack_val = CPUCP_PACKET_FENCE_VAL;
+
rc = hl_poll_timeout_memory(hdev, &pkt->fence, tmp,
- (tmp == CPUCP_PACKET_FENCE_VAL), 1000,
+ (tmp == expected_ack_val), 1000,
timeout, true);
hl_hw_queue_inc_ci_kernel(hdev, hw_queue_id);
@@ -279,8 +289,74 @@ int hl_fw_send_heartbeat(struct hl_device *hdev)
return rc;
}
+static int fw_read_errors(struct hl_device *hdev, u32 boot_err0_reg,
+ u32 cpu_security_boot_status_reg)
+{
+ u32 err_val, security_val;
+
+ /* Some of the firmware status codes are deprecated in newer f/w
+ * versions. In those versions, the errors are reported
+ * in different registers. Therefore, we need to check those
+ * registers and print the exact errors. Moreover, there
+ * may be multiple errors, so we need to report on each error
+ * separately. Some of the error codes might indicate a state
+ * that is not an error per-se, but it is an error in production
+ * environment
+ */
+ err_val = RREG32(boot_err0_reg);
+ if (!(err_val & CPU_BOOT_ERR0_ENABLED))
+ return 0;
+
+ if (err_val & CPU_BOOT_ERR0_DRAM_INIT_FAIL)
+ dev_err(hdev->dev,
+ "Device boot error - DRAM initialization failed\n");
+ if (err_val & CPU_BOOT_ERR0_FIT_CORRUPTED)
+ dev_err(hdev->dev, "Device boot error - FIT image corrupted\n");
+ if (err_val & CPU_BOOT_ERR0_TS_INIT_FAIL)
+ dev_err(hdev->dev,
+ "Device boot error - Thermal Sensor initialization failed\n");
+ if (err_val & CPU_BOOT_ERR0_DRAM_SKIPPED)
+ dev_warn(hdev->dev,
+ "Device boot warning - Skipped DRAM initialization\n");
+
+ if (err_val & CPU_BOOT_ERR0_BMC_WAIT_SKIPPED) {
+ if (hdev->bmc_enable)
+ dev_warn(hdev->dev,
+ "Device boot error - Skipped waiting for BMC\n");
+ else
+ err_val &= ~CPU_BOOT_ERR0_BMC_WAIT_SKIPPED;
+ }
+
+ if (err_val & CPU_BOOT_ERR0_NIC_DATA_NOT_RDY)
+ dev_err(hdev->dev,
+ "Device boot error - Serdes data from BMC not available\n");
+ 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");
+ if (err_val & CPU_BOOT_ERR0_PLL_FAIL)
+ dev_err(hdev->dev, "Device boot error - PLL failure\n");
+
+ security_val = RREG32(cpu_security_boot_status_reg);
+ if (security_val & CPU_BOOT_DEV_STS0_ENABLED)
+ dev_dbg(hdev->dev, "Device security status %#x\n",
+ security_val);
+
+ if (err_val & ~CPU_BOOT_ERR0_ENABLED)
+ return -EIO;
+
+ return 0;
+}
+
int hl_fw_cpucp_info_get(struct hl_device *hdev,
- u32 cpu_security_boot_status_reg)
+ u32 cpu_security_boot_status_reg,
+ u32 boot_err0_reg)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
struct cpucp_packet pkt = {};
@@ -314,6 +390,12 @@ int hl_fw_cpucp_info_get(struct hl_device *hdev,
goto out;
}
+ rc = fw_read_errors(hdev, boot_err0_reg, cpu_security_boot_status_reg);
+ if (rc) {
+ dev_err(hdev->dev, "Errors in device boot\n");
+ goto out;
+ }
+
memcpy(&prop->cpucp_info, cpucp_info_cpu_addr,
sizeof(prop->cpucp_info));
@@ -483,58 +565,6 @@ int hl_fw_cpucp_pll_info_get(struct hl_device *hdev, u16 pll_index,
return rc;
}
-static void fw_read_errors(struct hl_device *hdev, u32 boot_err0_reg,
- u32 cpu_security_boot_status_reg)
-{
- u32 err_val, security_val;
-
- /* Some of the firmware status codes are deprecated in newer f/w
- * versions. In those versions, the errors are reported
- * in different registers. Therefore, we need to check those
- * registers and print the exact errors. Moreover, there
- * may be multiple errors, so we need to report on each error
- * separately. Some of the error codes might indicate a state
- * that is not an error per-se, but it is an error in production
- * environment
- */
- err_val = RREG32(boot_err0_reg);
- if (!(err_val & CPU_BOOT_ERR0_ENABLED))
- return;
-
- if (err_val & CPU_BOOT_ERR0_DRAM_INIT_FAIL)
- dev_err(hdev->dev,
- "Device boot error - DRAM initialization failed\n");
- if (err_val & CPU_BOOT_ERR0_FIT_CORRUPTED)
- dev_err(hdev->dev, "Device boot error - FIT image corrupted\n");
- if (err_val & CPU_BOOT_ERR0_TS_INIT_FAIL)
- dev_err(hdev->dev,
- "Device boot error - Thermal Sensor initialization failed\n");
- if (err_val & CPU_BOOT_ERR0_DRAM_SKIPPED)
- dev_warn(hdev->dev,
- "Device boot warning - Skipped DRAM initialization\n");
- if (err_val & CPU_BOOT_ERR0_BMC_WAIT_SKIPPED)
- dev_warn(hdev->dev,
- "Device boot error - Skipped waiting for BMC\n");
- if (err_val & CPU_BOOT_ERR0_NIC_DATA_NOT_RDY)
- dev_err(hdev->dev,
- "Device boot error - Serdes data from BMC not available\n");
- 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)
- dev_dbg(hdev->dev, "Device security status %#x\n",
- security_val);
-}
-
static void detect_cpu_boot_status(struct hl_device *hdev, u32 status)
{
/* Some of the status codes below are deprecated in newer f/w
@@ -659,6 +689,9 @@ int hl_fw_read_preboot_status(struct hl_device *hdev, u32 cpu_boot_status_reg,
prop->fw_security_disabled = true;
}
+ dev_dbg(hdev->dev, "Firmware preboot security status %#x\n",
+ security_status);
+
dev_dbg(hdev->dev, "Firmware preboot hard-reset is %s\n",
prop->hard_reset_done_by_fw ? "enabled" : "disabled");
@@ -753,6 +786,10 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
if (prop->fw_boot_cpu_security_map &
CPU_BOOT_DEV_STS0_FW_HARD_RST_EN)
prop->hard_reset_done_by_fw = true;
+
+ dev_dbg(hdev->dev,
+ "Firmware boot CPU security status %#x\n",
+ prop->fw_boot_cpu_security_map);
}
dev_dbg(hdev->dev, "Firmware boot CPU hard-reset is %s\n",
@@ -826,6 +863,10 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
goto out;
}
+ rc = fw_read_errors(hdev, boot_err0_reg, cpu_security_boot_status_reg);
+ if (rc)
+ return rc;
+
/* Clear reset status since we need to read again from app */
prop->hard_reset_done_by_fw = false;
@@ -837,6 +878,10 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
if (prop->fw_app_security_map &
CPU_BOOT_DEV_STS0_FW_HARD_RST_EN)
prop->hard_reset_done_by_fw = true;
+
+ dev_dbg(hdev->dev,
+ "Firmware application CPU security status %#x\n",
+ prop->fw_app_security_map);
}
dev_dbg(hdev->dev, "Firmware application CPU hard-reset is %s\n",
@@ -844,6 +889,8 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
dev_info(hdev->dev, "Successfully loaded firmware to device\n");
+ return 0;
+
out:
fw_read_errors(hdev, boot_err0_reg, cpu_security_boot_status_reg);