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Subject[PATCH] habanalabs/gaudi: configure QMAN LDMA registers properly
Date
From: Ofir Bitton <obitton@habana.ai>

LDMA registers are configured with a fixed value.
We add new define set which gives the configuration
a proper meaning.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
drivers/misc/habanalabs/gaudi/gaudi.c | 62 +++++++++++++++++---------
drivers/misc/habanalabs/gaudi/gaudiP.h | 8 ++++
2 files changed, 49 insertions(+), 21 deletions(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 1b51e670bd4e..a227806be328 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -1865,9 +1865,11 @@ static void gaudi_init_pci_dma_qman(struct hl_device *hdev, int dma_id,
WREG32(mmDMA0_QM_PQ_PI_0 + q_off, 0);
WREG32(mmDMA0_QM_PQ_CI_0 + q_off, 0);

- WREG32(mmDMA0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off, 0x74);
- WREG32(mmDMA0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off, 0x14);
- WREG32(mmDMA0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off, 0x1C);
+ WREG32(mmDMA0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off, QMAN_LDMA_SIZE_OFFSET);
+ WREG32(mmDMA0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
+ QMAN_LDMA_SRC_OFFSET);
+ WREG32(mmDMA0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
+ QMAN_LDMA_DST_OFFSET);

WREG32(mmDMA0_QM_CP_MSG_BASE0_ADDR_LO_0 + q_off, mtr_base_en_lo);
WREG32(mmDMA0_QM_CP_MSG_BASE0_ADDR_HI_0 + q_off, mtr_base_en_hi);
@@ -2025,13 +2027,19 @@ static void gaudi_init_hbm_dma_qman(struct hl_device *hdev, int dma_id,
WREG32(mmDMA0_QM_PQ_PI_0 + q_off, 0);
WREG32(mmDMA0_QM_PQ_CI_0 + q_off, 0);

- WREG32(mmDMA0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off, 0x81BC);
- WREG32(mmDMA0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off, 0x81B4);
- WREG32(mmDMA0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off, 0x1C);
+ WREG32(mmDMA0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
+ QMAN_CPDMA_SIZE_OFFSET);
+ WREG32(mmDMA0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
+ QMAN_CPDMA_SRC_OFFSET);
+ WREG32(mmDMA0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
+ QMAN_CPDMA_DST_OFFSET);
} else {
- WREG32(mmDMA0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off, 0x74);
- WREG32(mmDMA0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off, 0x14);
- WREG32(mmDMA0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off, 0x1C);
+ WREG32(mmDMA0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
+ QMAN_LDMA_SIZE_OFFSET);
+ WREG32(mmDMA0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
+ QMAN_LDMA_SRC_OFFSET);
+ WREG32(mmDMA0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
+ QMAN_LDMA_SIZE_OFFSET);

/* Configure RAZWI IRQ */
dma_qm_err_cfg = HBM_DMA_QMAN_GLBL_ERR_CFG_MSG_EN_MASK;
@@ -2135,13 +2143,19 @@ static void gaudi_init_mme_qman(struct hl_device *hdev, u32 mme_offset,
WREG32(mmMME0_QM_PQ_PI_0 + q_off, 0);
WREG32(mmMME0_QM_PQ_CI_0 + q_off, 0);

- WREG32(mmMME0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off, 0x81BC);
- WREG32(mmMME0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off, 0x81B4);
- WREG32(mmMME0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off, 0x1C);
+ WREG32(mmMME0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
+ QMAN_CPDMA_SIZE_OFFSET);
+ WREG32(mmMME0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
+ QMAN_CPDMA_SRC_OFFSET);
+ WREG32(mmMME0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
+ QMAN_CPDMA_DST_OFFSET);
} else {
- WREG32(mmMME0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off, 0x74);
- WREG32(mmMME0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off, 0x14);
- WREG32(mmMME0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off, 0x1C);
+ WREG32(mmMME0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
+ QMAN_LDMA_SIZE_OFFSET);
+ WREG32(mmMME0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
+ QMAN_LDMA_SRC_OFFSET);
+ WREG32(mmMME0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
+ QMAN_LDMA_DST_OFFSET);

/* Configure RAZWI IRQ */
mme_id = mme_offset /
@@ -2249,13 +2263,19 @@ static void gaudi_init_tpc_qman(struct hl_device *hdev, u32 tpc_offset,
WREG32(mmTPC0_QM_PQ_PI_0 + q_off, 0);
WREG32(mmTPC0_QM_PQ_CI_0 + q_off, 0);

- WREG32(mmTPC0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off, 0x81BC);
- WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off, 0x81B4);
- WREG32(mmTPC0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off, 0x1C);
+ WREG32(mmTPC0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
+ QMAN_CPDMA_SIZE_OFFSET);
+ WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
+ QMAN_CPDMA_SRC_OFFSET);
+ WREG32(mmTPC0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
+ QMAN_CPDMA_DST_OFFSET);
} else {
- WREG32(mmTPC0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off, 0x74);
- WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off, 0x14);
- WREG32(mmTPC0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off, 0x1C);
+ WREG32(mmTPC0_QM_CP_LDMA_TSIZE_OFFSET_0 + q_off,
+ QMAN_LDMA_SIZE_OFFSET);
+ WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_LO_OFFSET_0 + q_off,
+ QMAN_LDMA_SRC_OFFSET);
+ WREG32(mmTPC0_QM_CP_LDMA_DST_BASE_LO_OFFSET_0 + q_off,
+ QMAN_LDMA_DST_OFFSET);

/* Configure RAZWI IRQ */
tpc_id = tpc_offset /
diff --git a/drivers/misc/habanalabs/gaudi/gaudiP.h b/drivers/misc/habanalabs/gaudi/gaudiP.h
index b70b810c21c9..83ad2b0a3a61 100644
--- a/drivers/misc/habanalabs/gaudi/gaudiP.h
+++ b/drivers/misc/habanalabs/gaudi/gaudiP.h
@@ -84,6 +84,14 @@

#define DMA_CORE_OFFSET (mmDMA1_CORE_BASE - mmDMA0_CORE_BASE)

+#define QMAN_LDMA_SRC_OFFSET (mmDMA0_CORE_SRC_BASE_LO - mmDMA0_CORE_CFG_0)
+#define QMAN_LDMA_DST_OFFSET (mmDMA0_CORE_DST_BASE_LO - mmDMA0_CORE_CFG_0)
+#define QMAN_LDMA_SIZE_OFFSET (mmDMA0_CORE_DST_TSIZE_0 - mmDMA0_CORE_CFG_0)
+
+#define QMAN_CPDMA_SRC_OFFSET (mmDMA0_QM_CQ_PTR_LO_4 - mmDMA0_CORE_CFG_0)
+#define QMAN_CPDMA_DST_OFFSET (mmDMA0_CORE_DST_BASE_LO - mmDMA0_CORE_CFG_0)
+#define QMAN_CPDMA_SIZE_OFFSET (mmDMA0_QM_CQ_TSIZE_4 - mmDMA0_CORE_CFG_0)
+
#define SIF_RTR_CTRL_OFFSET (mmSIF_RTR_CTRL_1_BASE - mmSIF_RTR_CTRL_0_BASE)

#define NIF_RTR_CTRL_OFFSET (mmNIF_RTR_CTRL_1_BASE - mmNIF_RTR_CTRL_0_BASE)
--
2.17.1
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