diff options
| -rw-r--r-- | drivers/misc/habanalabs/goya/goya_coresight.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/goya/goya_coresight.c b/drivers/misc/habanalabs/goya/goya_coresight.c index 39f62ce72660..d7ec7ad84cc6 100644 --- a/drivers/misc/habanalabs/goya/goya_coresight.c +++ b/drivers/misc/habanalabs/goya/goya_coresight.c @@ -425,8 +425,18 @@ static int goya_config_etr(struct hl_device *hdev, WREG32(base_reg + 0x28, 0); WREG32(base_reg + 0x304, 0); - if (params->output_size >= sizeof(u32)) - *(u32 *) params->output = RREG32(base_reg + 0x18); + if (params->output_size >= sizeof(u64)) { + u32 rwp, rwphi; + + /* + * The trace buffer address is 40 bits wide. The end of + * the buffer is set in the RWP register (lower 32 + * bits), and in the RWPHI register (upper 8 bits). + */ + rwp = RREG32(base_reg + 0x18); + rwphi = RREG32(base_reg + 0x3c) & 0xff; + *(u64 *) params->output = ((u64) rwphi << 32) | rwp; + } } return 0; |