From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Caraman Date: Tue, 31 Jan 2017 13:12:35 +0000 Subject: [U-Boot] [PATCH 2/3] pcie-layerscape: Define stream-ids for Layerscape Chasis-2 In-Reply-To: <1485772992-22241-3-git-send-email-Bharat.Bhushan@nxp.com> References: <1485772992-22241-1-git-send-email-Bharat.Bhushan@nxp.com>, <1485772992-22241-3-git-send-email-Bharat.Bhushan@nxp.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de > From: U-Boot on behalf of Bharat Bhushan > Sent: Monday, January 30, 2017 12:43 PM > To: york sun; Z.Q. Hou; M.H. Lian; u-boot at lists.denx.de > Cc: albert.u.boot at aribaud.net > Subject: [U-Boot] [PATCH 2/3] pcie-layerscape: Define stream-ids for Layerscape Chasis-2 > > Layerscape Chasis-2 have PCIe device, some platform devices and > DPAA1 devices which will use stream-ids for iommu level isolation > as they lies behind SMMU. > > This patch defines the stream-ids for Chasis-2 devices. > stream-ids for DPAA1 are reserved for future use. > > Signed-off-by: Bharat Bhushan > --- > .../asm/arch-fsl-layerscape/stream_id_lsch2.h | 60 ++++++++++++++++++++++ > include/configs/ls1043a_common.h | 1 + > 2 files changed, 61 insertions(+) > create mode 100644 arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch2.h > > diff --git a/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch2.h > new file mode 100644 > index 0000000..bdfed83 > --- /dev/null > +++ b/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch2.h > @@ -0,0 +1,60 @@ > +/* > + * Copyright 2017 NXP Semiconductor, Inc. > + * > + * SPDX-License-Identifier: GPL-2.0+ > + * > + */ > +#ifndef __FSL_STREAM_ID_H > +#define __FSL_STREAM_ID_H > + > +/* > + * Stream IDs on ls1043a devices are not hardwired and are > + * programmed by sw. There are a limited number of stream IDs > + * available, and the partitioning of them is scenario dependent. > + * This header defines the partitioning between legacy, PCI, > + * and DPAA1 devices. > + * > + * This partitioning can be customized in this file depending > + * on the specific hardware config: > + * > + * -non-PCI legacy, platform devices (USB, SDHC, SATA, DMA, QE etc) > + * -all legacy devices get a unique stream ID assigned and programmed in > + * their AMQR registers by u-boot > + * > + * -PCIe > + * -there is a range of stream IDs set aside for PCI in this > + * file. U-boot will scan the PCI bus and for each device discovered: > + * -allocate a streamID > + * -set a PEXn LUT table entry mapping 'requester ID' to 'stream ID' > + * -set a msi-map entry in the PEXn controller node in the > + * device tree (see Documentation/devicetree/bindings/pci/pci-msi.txt > + * for more info on the msi-map definition) > + * > + * -DPAA1 > + * - Stream ids for DPAA1 use are reserved for future usecase. > + * > + */ > + > + > +#define FSL_INVALID_STREAM_ID 0 > + > +/* legacy devices */ > +#define FSL_USB1_STREAM_ID 1 > +#define FSL_USB2_STREAM_ID 2 > +#define FSL_USB3_STREAM_ID 3 > +#define FSL_SDHC_STREAM_ID 4 > +#define FSL_SATA_STREAM_ID 5 > +#define FSL_QE_STREAM_ID 6 > +#define FSL_QDMA_STREAM_ID 7 > +#define FSL_EDMA_STREAM_ID 8 > +#define FSL_ETR_STREAM_ID 9 > + > +/* PCI - programmed in PEXn_LUT */ > +#define FSL_PEX_STREAM_ID_START 11 > +#define FSL_PEX_STREAM_ID_END 26 > + > +/* DPAA1 - Stream-ID that can be programmed in DPAA1 h/w */ > +#define FSL_DPAA1_STREAM_ID_START 27 > +#define FSL_DPAA1_STREAM_ID_END 63 > + > +#endif > diff --git a/include/configs/ls1043a_common.h b/include/configs/ls1043a_common.h > index aa2b6f1..eee6fad 100644 > --- a/include/configs/ls1043a_common.h > +++ b/include/configs/ls1043a_common.h > @@ -13,6 +13,7 @@ > #define CONFIG_MP > #define CONFIG_GICV2 > > +#include Since the following patch 3/3 enables LUT for all Chassis 2.0 devices, this definition should be included and validated for the other devices too: LS1046A, LS1012A, LS1021A. > #include > > /* Link Definitions */ > -- > 1.9.3 > > _______________________________________________ > U-Boot mailing list > U-Boot at lists.denx.de > https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.denx.de%2Fmailman%2Flistinfo%2Fu-boot&data=01%7C01%7Cmike.caraman%40nxp.com%7C5b4875265c7348d80f7a08d449aea415%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0&sdata=Pqm0QAUf%2Bizcqz%2FzzZjHMELGZjrWLuK0xbPI%2FcNNwiA%3D&reserved=0 -Mike