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From: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
To: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	dmaengine@vger.kernel.org, Vinod Koul <vkoul@kernel.org>,
	Dan Williams <dan.j.williams@intel.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
Subject: [PATCH v4 10/15] dmaengine: dw-edma: Change linked list and data blocks offset and sizes
Date: Wed,  3 Feb 2021 22:58:01 +0100	[thread overview]
Message-ID: <9e60326f906093f1110bcde6286b8f743c8f19f9.1612389406.git.gustavo.pimentel@synopsys.com> (raw)
In-Reply-To: <cover.1612389406.git.gustavo.pimentel@synopsys.com>
In-Reply-To: <cover.1612389406.git.gustavo.pimentel@synopsys.com>

Changes the linked list and data blocks offset and sizes to follow the
recommendation given by the hardware team for the IPK solution.

Although the previous data blocks offset and sizes are still valid and
functional, using them that might present some issues related to the IPK
solution, since this solution is based on FPGA and might be subjected to
timmings constrains.

Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
---
 drivers/dma/dw-edma/dw-edma-pcie.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c
index a0fa809..686b4ff 100644
--- a/drivers/dma/dw-edma/dw-edma-pcie.c
+++ b/drivers/dma/dw-edma/dw-edma-pcie.c
@@ -59,29 +59,29 @@ static const struct dw_edma_pcie_data snps_edda_data = {
 	.rg.sz				= 0x00002000,	/*  8 Kbytes */
 	/* eDMA memory linked list location */
 	.ll_wr = {
-		/* Channel 0 - BAR 2, offset 0 Mbytes, size 2 Mbytes */
-		DW_BLOCK(BAR_2, 0x00000000, 0x00200000)
-		/* Channel 1 - BAR 2, offset 2 Mbytes, size 2 Mbytes */
-		DW_BLOCK(BAR_2, 0x00200000, 0x00200000)
+		/* Channel 0 - BAR 2, offset 0 Mbytes, size 2 Kbytes */
+		DW_BLOCK(BAR_2, 0x00000000, 0x00000800)
+		/* Channel 1 - BAR 2, offset 2 Mbytes, size 2 Kbytes */
+		DW_BLOCK(BAR_2, 0x00200000, 0x00000800)
 	},
 	.ll_rd = {
-		/* Channel 0 - BAR 2, offset 4 Mbytes, size 2 Mbytes */
-		DW_BLOCK(BAR_2, 0x00400000, 0x00200000)
-		/* Channel 1 - BAR 2, offset 6 Mbytes, size 2 Mbytes */
-		DW_BLOCK(BAR_2, 0x00600000, 0x00200000)
+		/* Channel 0 - BAR 2, offset 4 Mbytes, size 2 Kbytes */
+		DW_BLOCK(BAR_2, 0x00400000, 0x00000800)
+		/* Channel 1 - BAR 2, offset 6 Mbytes, size 2 Kbytes */
+		DW_BLOCK(BAR_2, 0x00600000, 0x00000800)
 	},
 	/* eDMA memory data location */
 	.dt_wr = {
-		/* Channel 0 - BAR 2, offset 8 Mbytes, size 14 Mbytes */
-		DW_BLOCK(BAR_2, 0x00800000, 0x00e00000)
-		/* Channel 1 - BAR 2, offset 22 Mbytes, size 14 Mbytes */
-		DW_BLOCK(BAR_2, 0x01600000, 0x00e00000)
+		/* Channel 0 - BAR 2, offset 8 Mbytes, size 2 Kbytes */
+		DW_BLOCK(BAR_2, 0x00800000, 0x00000800)
+		/* Channel 1 - BAR 2, offset 9 Mbytes, size 2 Kbytes */
+		DW_BLOCK(BAR_2, 0x00900000, 0x00000800)
 	},
 	.dt_rd = {
-		/* Channel 0 - BAR 2, offset 36 Mbytes, size 14 Mbytes */
-		DW_BLOCK(BAR_2, 0x02400000, 0x00e00000)
-		/* Channel 1 - BAR 2, offset 50 Mbytes, size 14 Mbytes */
-		DW_BLOCK(BAR_2, 0x03200000, 0x00e00000)
+		/* Channel 0 - BAR 2, offset 10 Mbytes, size 2 Kbytes */
+		DW_BLOCK(BAR_2, 0x00a00000, 0x00000800)
+		/* Channel 1 - BAR 2, offset 11 Mbytes, size 2 Kbytes */
+		DW_BLOCK(BAR_2, 0x00b00000, 0x00000800)
 	},
 	/* Other */
 	.mf				= EDMA_MF_EDMA_UNROLL,
-- 
2.7.4


  parent reply	other threads:[~2021-02-03 22:00 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-03 21:57 [PATCH v4 00/15] dmaengine: dw-edma: HDMA support Gustavo Pimentel
2021-02-03 21:57 ` [PATCH v4 01/15] dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures Gustavo Pimentel
2021-02-09  6:29   ` kernel test robot
2021-02-03 21:57 ` [PATCH v4 02/15] dmaengine: dw-edma: Fix comments offset characters' alignment Gustavo Pimentel
2021-02-03 21:57 ` [PATCH v4 03/15] dmaengine: dw-edma: Add support for the HDMA feature Gustavo Pimentel
2021-02-03 21:57 ` [PATCH v4 04/15] PCI: Add pci_find_vsec_capability() to find a specific VSEC Gustavo Pimentel
2021-02-03 21:57 ` [PATCH v4 05/15] dmaengine: dw-edma: Add PCIe VSEC data retrieval support Gustavo Pimentel
2021-02-03 21:57 ` [PATCH v4 06/15] dmaengine: dw-edma: Add device_prep_interleave_dma() support Gustavo Pimentel
2021-02-03 21:57 ` [PATCH v4 07/15] dmaengine: dw-edma: Improve number of channels check Gustavo Pimentel
2021-02-03 21:57 ` [PATCH v4 08/15] dmaengine: dw-edma: Reorder variables to keep consistency Gustavo Pimentel
2021-02-03 21:58 ` [PATCH v4 09/15] dmaengine: dw-edma: Improve the linked list and data blocks definition Gustavo Pimentel
2021-02-03 21:58 ` Gustavo Pimentel [this message]
2021-02-03 21:58 ` [PATCH v4 11/15] dmaengine: dw-edma: Move struct dentry variable from static definition into dw_edma struct Gustavo Pimentel
2021-02-03 21:58 ` [PATCH v4 12/15] dmaengine: dw-edma: Fix crash on loading/unloading driver Gustavo Pimentel
2021-02-03 21:58 ` [PATCH v4 13/15] dmaengine: dw-edma: Change DMA abreviation from lower into upper case Gustavo Pimentel
2021-02-03 21:58 ` [PATCH v4 14/15] dmaengine: dw-edma: Revert fix scatter-gather address calculation Gustavo Pimentel
2021-02-03 21:58 ` [PATCH v4 15/15] dmaengine: dw-edma: Add pcim_iomap_table return checker Gustavo Pimentel
2021-02-08 19:35   ` Bjorn Helgaas
2021-02-09 15:35     ` Gustavo Pimentel
2021-02-09 18:18       ` Krzysztof Wilczyński
2021-02-09 19:40         ` Krzysztof Wilczyński

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