[PATCH 1/5] accel/habanalabs: report 3 instances of Infineon second stage

From: Oded Gabbay
Date: Thu Dec 07 2023 - 07:24:54 EST


From: Ariel Suller <asuller@xxxxxxxxx>

Infineon controller second stage has 3 instances that their version
need to be reported by driver.

Signed-off-by: Ariel Suller <asuller@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
---
drivers/accel/habanalabs/common/sysfs.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/drivers/accel/habanalabs/common/sysfs.c b/drivers/accel/habanalabs/common/sysfs.c
index 8d2164691d81..c940c5f1d109 100644
--- a/drivers/accel/habanalabs/common/sysfs.c
+++ b/drivers/accel/habanalabs/common/sysfs.c
@@ -8,6 +8,7 @@
#include "habanalabs.h"

#include <linux/pci.h>
+#include <linux/types.h>

static ssize_t clk_max_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf)
{
@@ -80,12 +81,27 @@ static ssize_t vrm_ver_show(struct device *dev, struct device_attribute *attr, c
{
struct hl_device *hdev = dev_get_drvdata(dev);
struct cpucp_info *cpucp_info;
+ u32 infineon_second_stage_version;
+ u32 infineon_second_stage_first_instance;
+ u32 infineon_second_stage_second_instance;
+ u32 infineon_second_stage_third_instance;
+ u32 mask = 0xff;

cpucp_info = &hdev->asic_prop.cpucp_info;

+ infineon_second_stage_version = le32_to_cpu(cpucp_info->infineon_second_stage_version);
+ infineon_second_stage_first_instance = infineon_second_stage_version & mask;
+ infineon_second_stage_second_instance =
+ (infineon_second_stage_version >> 8) & mask;
+ infineon_second_stage_third_instance =
+ (infineon_second_stage_version >> 16) & mask;
+
if (cpucp_info->infineon_second_stage_version)
- return sprintf(buf, "%#04x %#04x\n", le32_to_cpu(cpucp_info->infineon_version),
- le32_to_cpu(cpucp_info->infineon_second_stage_version));
+ return sprintf(buf, "%#04x %#04x:%#04x:%#04x\n",
+ le32_to_cpu(cpucp_info->infineon_version),
+ infineon_second_stage_first_instance,
+ infineon_second_stage_second_instance,
+ infineon_second_stage_third_instance);
else
return sprintf(buf, "%#04x\n", le32_to_cpu(cpucp_info->infineon_version));
}
--
2.34.1