diff options
Diffstat (limited to 'drivers/misc/habanalabs/goya')
| -rw-r--r-- | drivers/misc/habanalabs/goya/goya.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index a0a96ca31757..85f29cb7d67b 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -531,7 +531,7 @@ static int goya_early_init(struct hl_device *hdev) prop->dram_pci_bar_size = pci_resource_len(pdev, DDR_BAR_ID); - rc = hl_pci_init(hdev, 48); + rc = hl_pci_init(hdev); if (rc) return rc; @@ -5185,6 +5185,20 @@ u32 goya_get_queue_id_for_cq(struct hl_device *hdev, u32 cq_idx) return cq_idx; } +static void goya_set_dma_mask_from_fw(struct hl_device *hdev) +{ + if (RREG32(mmPSOC_GLOBAL_CONF_NON_RST_FLOPS_0) == + HL_POWER9_HOST_MAGIC) { + dev_dbg(hdev->dev, "Working in 64-bit DMA mode\n"); + hdev->power9_64bit_dma_enable = 1; + hdev->dma_mask = 64; + } else { + dev_dbg(hdev->dev, "Working in 48-bit DMA mode\n"); + hdev->power9_64bit_dma_enable = 0; + hdev->dma_mask = 48; + } +} + static const struct hl_asic_funcs goya_funcs = { .early_init = goya_early_init, .early_fini = goya_early_fini, @@ -5247,7 +5261,8 @@ static const struct hl_asic_funcs goya_funcs = { .get_clk_rate = goya_get_clk_rate, .get_queue_id_for_cq = goya_get_queue_id_for_cq, .read_device_fw_version = goya_read_device_fw_version, - .load_firmware_to_device = goya_load_firmware_to_device + .load_firmware_to_device = goya_load_firmware_to_device, + .set_dma_mask_from_fw = goya_set_dma_mask_from_fw }; /* |