From: Oded Gabbay <oded.gabbay@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: SW_Drivers@habana.ai, Ofir Bitton <obitton@habana.ai>
Subject: [PATCH] habanalabs/gaudi: configure QMAN LDMA registers properly
Date: Thu, 24 Sep 2020 11:05:16 +0300 [thread overview]
Message-ID: <20200924080516.4778-1-oded.gabbay@gmail.com> (raw)
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
reply other threads:[~2020-09-24 8:05 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200924080516.4778-1-oded.gabbay@gmail.com \
--to=oded.gabbay@gmail.com \
--cc=SW_Drivers@habana.ai \
--cc=linux-kernel@vger.kernel.org \
--cc=obitton@habana.ai \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox