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habanalabs: support multiple types of firmwares

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The driver now loads the firmware in two stages. For debugging purposes
we need to support situations where only the first stage firmware is
loaded.

Therefore, use a bitmask to determine which F/W is loaded

Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Oded Gabbay 2020-10-01 13:46:37 +03:00
parent 28958207e9
commit 596553dbf9
3 changed files with 21 additions and 3 deletions
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9
drivers/misc/habanalabs/common/firmware_if.c
View File

@ -574,6 +574,9 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
u32 status;
int rc;
if (!(hdev->fw_loading & FW_TYPE_BOOT_CPU))
return 0;
dev_info(hdev->dev, "Going to wait for device boot (up to %lds)\n",
cpu_timeout / USEC_PER_SEC);
@ -631,6 +634,8 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
10000,
cpu_timeout);
dev_dbg(hdev->dev, "uboot status = %d\n", status);
/* Read U-Boot version now in case we will later fail */
hdev->asic_funcs->read_device_fw_version(hdev, FW_COMP_UBOOT);
@ -640,8 +645,8 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
goto out;
}
if (!hdev->fw_loading) {
dev_info(hdev->dev, "Skip loading FW\n");
if (!(hdev->fw_loading & FW_TYPE_LINUX)) {
dev_info(hdev->dev, "Skip loading Linux F/W\n");
goto out;
}

14
drivers/misc/habanalabs/common/habanalabs.h
View File

@ -124,6 +124,18 @@ enum hl_fw_component {
FW_COMP_PREBOOT
};
/**
* enum hl_fw_types - F/W types to load
* @FW_TYPE_LINUX: Linux image for device CPU
* @FW_TYPE_BOOT_CPU: Boot image for device CPU
* @FW_TYPE_ALL_TYPES: Mask for all types
*/
enum hl_fw_types {
FW_TYPE_LINUX = 0x1,
FW_TYPE_BOOT_CPU = 0x2,
FW_TYPE_ALL_TYPES = (FW_TYPE_LINUX | FW_TYPE_BOOT_CPU)
};
/**
* enum hl_queue_type - Supported QUEUE types.
* @QUEUE_TYPE_NA: queue is not available.
@ -1709,12 +1721,12 @@ struct hl_device {
u8 supports_cb_mapping;
/* Parameters for bring-up */
u64 fw_loading;
u8 mmu_enable;
u8 mmu_huge_page_opt;
u8 cpu_enable;
u8 reset_pcilink;
u8 cpu_queues_enable;
u8 fw_loading;
u8 pldm;
u8 axi_drain;
u8 sram_scrambler_enable;

1
drivers/misc/habanalabs/common/habanalabs_drv.c
View File

@ -241,6 +241,7 @@ static void set_driver_behavior_per_device(struct hl_device *hdev)
hdev->dram_scrambler_enable = 1;
hdev->bmc_enable = 1;
hdev->hard_reset_on_fw_events = 1;
hdev->fw_loading = FW_TYPE_ALL_TYPES;
}
/*