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(unknown [172.16.64.208]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 84ECC41604E5; Tue, 19 Aug 2025 19:55:09 +0800 (CST) From: hans.zhang@cixtech.com To: bhelgaas@google.com, lpieralisi@kernel.org, kw@linux.com, mani@kernel.org, robh@kernel.org, kwilczynski@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: mpillai@cadence.com, fugang.duan@cixtech.com, guoyin.chen@cixtech.com, peter.chen@cixtech.com, cix-kernel-upstream@cixtech.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Hans Zhang Subject: [PATCH v8 02/15] PCI: cadence: Split PCIe controller header file Date: Tue, 19 Aug 2025 19:52:26 +0800 Message-ID: <20250819115239.4170604-3-hans.zhang@cixtech.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250819115239.4170604-1-hans.zhang@cixtech.com> References: <20250819115239.4170604-1-hans.zhang@cixtech.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SG1PEPF000082E5:EE_|SEZPR06MB7188:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 09ee9add-1a54-41fe-d4cd-08dddf173fc3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|82310400026|7416014|1800799024|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?h+UOevznaXd6Bb1RHE4xrQrI+BwwarnaTiTB8e6c+HoaTUzNn9Av7UIbaNj4?= =?us-ascii?Q?mR4MyXShnooMIa08d6lcHrdCKlCOW5DhUTbRWGePk5JrPPx3teFqHAMIQH4X?= =?us-ascii?Q?xEzIzpJMhzNEtoE22Z3B2ocMNcXPJptZgUvIXbWEQ3g0AbSvaR88Oc2QzYnq?= =?us-ascii?Q?Q4ZJbPNoO3SBBeuCZ0h0hVs5CbwPNv6+XYF/FGsIHFi119FHM9rXO36wMLTs?= =?us-ascii?Q?1DPGg06EMFSHEV4AsTg4R8pbpp4zDz5J4G1/oaZEnsWwS+1RfPaVtUuliiiK?= =?us-ascii?Q?9aGeolFUdIvpV4aBbpOn+63CUMmQCzmQjsgYT485u69COxfEsISTMV4ItyOd?= =?us-ascii?Q?/PhTh6yJfLnniCmF5Uhvu4A84RANWX70IeuWAyDDBgUn/ULudJIg4eVhDLrq?= =?us-ascii?Q?T1kI2wDjX3iAH9qcwXVT/6bd2YlAlv6fywNo8WHGNZ39wc3X4JfF7q2itKf4?= =?us-ascii?Q?kejLSYK3IqPhQ99z46cMbJTHgCu7zUqbKvR+INAtvEziy/L0CoQECTZwCAH4?= =?us-ascii?Q?hlahRnNaIsR2gpXcHWaCEqho/fQsXnQg7uC6/5EEyXxRNutlm++RJCmKISh6?= =?us-ascii?Q?cRY9cKZDRDbhLqT/wLOeqWVgWB2ENgn3iqxAqTn02Z1pVbrqQ794SkaLx0By?= =?us-ascii?Q?/menwc74o8HENmRoXYTQY2cA80JZStFZqtDB2jNNvpCcmxBQb17WtvASYQPr?= =?us-ascii?Q?UFQ0iElhoiZrf3ymw04tedG2gVPQGYFdwCrUd5kd553tz9Jd7fgS6qmNvvJg?= =?us-ascii?Q?ZIHfcfvPEocVMOPxUIT5Plk5gGkb75yH5emgMBrf8G1fNcRHjQco/+V4BlhL?= =?us-ascii?Q?/XoYnQEqAekSlBckT26+w+2P/3Mm+c4d2+p1Ao6kgiPpIgopCok+ayO2sGX5?= =?us-ascii?Q?KhuI8ud9a57CEl3VnGCHOoxApgzhb5h0xucWlqaRe8swP+m3PFr/blp1h1lw?= =?us-ascii?Q?4vVsZJ9TXHr5ro1DtIJJjq4+rV4F8YtZA3iOgRXvtIdGKHKHwJBJ2pn+ZgqG?= =?us-ascii?Q?4TKl3+ilK8vCof/Msdez7ahXy4/gSqABZGU827/Xu/ESJWbcGaPQAVtTG/aE?= =?us-ascii?Q?Rz2AxgiGXJLG7EuOYrtZ5PbrtTkpNOCB0BhklLcFDGAGSglk1cLfLORli+gc?= =?us-ascii?Q?wfHyXg7xs6oayIeduR+xKcNoUJJhTsMZtmf91sFrAoKK3qg8Itl2TuQNMaeP?= =?us-ascii?Q?psSE6WHEDMtlzAjpAZx3hwx5yeHlqcvvxMvjHzDhmasE9Yzp41BAiC/KOhV8?= =?us-ascii?Q?BZKqOggO92uGqSOH9e1x+1MgOMnPWSTPFeiSPghx211f2Cif4D/fvvyJZArv?= =?us-ascii?Q?8af5uq7dEd6i6vAxbudbNUuegsPk3r7oxOQjY1vEZTtpXJxlseGQWL43AW9N?= =?us-ascii?Q?DWYS3e2HL7PPK/zoPR7HgrtFp+hKsPLHqANPTy0L/b0m9TJvdng3LuBjqh6o?= =?us-ascii?Q?XjgfSqmfmZ7tFrT4XVQJjJz+/RzQSWHDFhDMWeTTh4LwJkdy21njgX7iBlwM?= =?us-ascii?Q?wsMaw1svCVY7vGPy1U6dXyHmuFbvbqLHOh3f?= X-Forefront-Antispam-Report: CIP:222.71.101.198;CTRY:CN;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:smtprelay.cixcomputing.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(376014)(82310400026)(7416014)(1800799024)(7053199007);DIR:OUT;SFP:1102; X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Aug 2025 11:55:10.1813 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 09ee9add-1a54-41fe-d4cd-08dddf173fc3 X-MS-Exchange-CrossTenant-Id: 0409f77a-e53d-4d23-943e-ccade7cb4811 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0409f77a-e53d-4d23-943e-ccade7cb4811;Ip=[222.71.101.198];Helo=[smtprelay.cixcomputing.com] X-MS-Exchange-CrossTenant-AuthSource: SG1PEPF000082E5.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SEZPR06MB7188 From: Manikandan K Pillai Split the Cadence PCIe header file by moving the Legacy (LGA) controller register definitions to a separate header file for support of next generation PCIe controller architecture. Signed-off-by: Manikandan K Pillai Co-developed-by: Hans Zhang Signed-off-by: Hans Zhang --- .../cadence/pcie-cadence-lga-regs.h | 228 ++++++++++++++++++ drivers/pci/controller/cadence/pcie-cadence.h | 226 +---------------- 2 files changed, 229 insertions(+), 225 deletions(-) create mode 100644 drivers/pci/controller/cadence/pcie-cadence-lga-regs.h diff --git a/drivers/pci/controller/cadence/pcie-cadence-lga-regs.h b/drivers/pci/controller/cadence/pcie-cadence-lga-regs.h new file mode 100644 index 000000000000..afff0c35828a --- /dev/null +++ b/drivers/pci/controller/cadence/pcie-cadence-lga-regs.h @@ -0,0 +1,228 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// Copyright (c) 2017 Cadence +// Cadence PCIe controller driver. +// Author: Cyrille Pitchen + +#ifndef _PCIE_CADENCE_LGA_REGS_H +#define _PCIE_CADENCE_LGA_REGS_H + +#include + +/* Parameters for the waiting for link up routine */ +#define LINK_WAIT_MAX_RETRIES 10 +#define LINK_WAIT_USLEEP_MIN 90000 +#define LINK_WAIT_USLEEP_MAX 100000 + +/* Local Management Registers */ +#define CDNS_PCIE_LM_BASE 0x00100000 + +/* Vendor ID Register */ +#define CDNS_PCIE_LM_ID (CDNS_PCIE_LM_BASE + 0x0044) +#define CDNS_PCIE_LM_ID_VENDOR_MASK GENMASK(15, 0) +#define CDNS_PCIE_LM_ID_VENDOR_SHIFT 0 +#define CDNS_PCIE_LM_ID_VENDOR(vid) \ + (((vid) << CDNS_PCIE_LM_ID_VENDOR_SHIFT) & CDNS_PCIE_LM_ID_VENDOR_MASK) +#define CDNS_PCIE_LM_ID_SUBSYS_MASK GENMASK(31, 16) +#define CDNS_PCIE_LM_ID_SUBSYS_SHIFT 16 +#define CDNS_PCIE_LM_ID_SUBSYS(sub) \ + (((sub) << CDNS_PCIE_LM_ID_SUBSYS_SHIFT) & CDNS_PCIE_LM_ID_SUBSYS_MASK) + +/* Root Port Requester ID Register */ +#define CDNS_PCIE_LM_RP_RID (CDNS_PCIE_LM_BASE + 0x0228) +#define CDNS_PCIE_LM_RP_RID_MASK GENMASK(15, 0) +#define CDNS_PCIE_LM_RP_RID_SHIFT 0 +#define CDNS_PCIE_LM_RP_RID_(rid) \ + (((rid) << CDNS_PCIE_LM_RP_RID_SHIFT) & CDNS_PCIE_LM_RP_RID_MASK) + +/* Endpoint Bus and Device Number Register */ +#define CDNS_PCIE_LM_EP_ID (CDNS_PCIE_LM_BASE + 0x022C) +#define CDNS_PCIE_LM_EP_ID_DEV_MASK GENMASK(4, 0) +#define CDNS_PCIE_LM_EP_ID_DEV_SHIFT 0 +#define CDNS_PCIE_LM_EP_ID_BUS_MASK GENMASK(15, 8) +#define CDNS_PCIE_LM_EP_ID_BUS_SHIFT 8 + +/* Endpoint Function f BAR b Configuration Registers */ +#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG(bar, fn) \ + (((bar) < BAR_4) ? CDNS_PCIE_LM_EP_FUNC_BAR_CFG0(fn) : CDNS_PCIE_LM_EP_FUNC_BAR_CFG1(fn)) +#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG0(fn) \ + (CDNS_PCIE_LM_BASE + 0x0240 + (fn) * 0x0008) +#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG1(fn) \ + (CDNS_PCIE_LM_BASE + 0x0244 + (fn) * 0x0008) +#define CDNS_PCIE_LM_EP_VFUNC_BAR_CFG(bar, fn) \ + (((bar) < BAR_4) ? CDNS_PCIE_LM_EP_VFUNC_BAR_CFG0(fn) : CDNS_PCIE_LM_EP_VFUNC_BAR_CFG1(fn)) +#define CDNS_PCIE_LM_EP_VFUNC_BAR_CFG0(fn) \ + (CDNS_PCIE_LM_BASE + 0x0280 + (fn) * 0x0008) +#define CDNS_PCIE_LM_EP_VFUNC_BAR_CFG1(fn) \ + (CDNS_PCIE_LM_BASE + 0x0284 + (fn) * 0x0008) +#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_APERTURE_MASK(b) \ + (GENMASK(4, 0) << ((b) * 8)) +#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_APERTURE(b, a) \ + (((a) << ((b) * 8)) & CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_APERTURE_MASK(b)) +#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_CTRL_MASK(b) \ + (GENMASK(7, 5) << ((b) * 8)) +#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_CTRL(b, c) \ + (((c) << ((b) * 8 + 5)) & CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_CTRL_MASK(b)) + +/* Endpoint Function Configuration Register */ +#define CDNS_PCIE_LM_EP_FUNC_CFG (CDNS_PCIE_LM_BASE + 0x02C0) + +/* Root Complex BAR Configuration Register */ +#define CDNS_PCIE_LM_RC_BAR_CFG (CDNS_PCIE_LM_BASE + 0x0300) +#define CDNS_PCIE_LM_RC_BAR_CFG_BAR0_APERTURE_MASK GENMASK(5, 0) +#define CDNS_PCIE_LM_RC_BAR_CFG_BAR0_APERTURE(a) \ + (((a) << 0) & CDNS_PCIE_LM_RC_BAR_CFG_BAR0_APERTURE_MASK) +#define CDNS_PCIE_LM_RC_BAR_CFG_BAR0_CTRL_MASK GENMASK(8, 6) +#define CDNS_PCIE_LM_RC_BAR_CFG_BAR0_CTRL(c) \ + (((c) << 6) & CDNS_PCIE_LM_RC_BAR_CFG_BAR0_CTRL_MASK) +#define CDNS_PCIE_LM_RC_BAR_CFG_BAR1_APERTURE_MASK GENMASK(13, 9) +#define CDNS_PCIE_LM_RC_BAR_CFG_BAR1_APERTURE(a) \ + (((a) << 9) & CDNS_PCIE_LM_RC_BAR_CFG_BAR1_APERTURE_MASK) +#define CDNS_PCIE_LM_RC_BAR_CFG_BAR1_CTRL_MASK GENMASK(16, 14) +#define CDNS_PCIE_LM_RC_BAR_CFG_BAR1_CTRL(c) \ + (((c) << 14) & CDNS_PCIE_LM_RC_BAR_CFG_BAR1_CTRL_MASK) +#define CDNS_PCIE_LM_RC_BAR_CFG_PREFETCH_MEM_ENABLE BIT(17) +#define CDNS_PCIE_LM_RC_BAR_CFG_PREFETCH_MEM_32BITS 0 +#define CDNS_PCIE_LM_RC_BAR_CFG_PREFETCH_MEM_64BITS BIT(18) +#define CDNS_PCIE_LM_RC_BAR_CFG_IO_ENABLE BIT(19) +#define CDNS_PCIE_LM_RC_BAR_CFG_IO_16BITS 0 +#define CDNS_PCIE_LM_RC_BAR_CFG_IO_32BITS BIT(20) +#define CDNS_PCIE_LM_RC_BAR_CFG_CHECK_ENABLE BIT(31) + +/* BAR control values applicable to both Endpoint Function and Root Complex */ +#define CDNS_PCIE_LM_BAR_CFG_CTRL_DISABLED 0x0 +#define CDNS_PCIE_LM_BAR_CFG_CTRL_IO_32BITS 0x1 +#define CDNS_PCIE_LM_BAR_CFG_CTRL_MEM_32BITS 0x4 +#define CDNS_PCIE_LM_BAR_CFG_CTRL_PREFETCH_MEM_32BITS 0x5 +#define CDNS_PCIE_LM_BAR_CFG_CTRL_MEM_64BITS 0x6 +#define CDNS_PCIE_LM_BAR_CFG_CTRL_PREFETCH_MEM_64BITS 0x7 + +#define LM_RC_BAR_CFG_CTRL_DISABLED(bar) \ + (CDNS_PCIE_LM_BAR_CFG_CTRL_DISABLED << (((bar) * 8) + 6)) +#define LM_RC_BAR_CFG_CTRL_IO_32BITS(bar) \ + (CDNS_PCIE_LM_BAR_CFG_CTRL_IO_32BITS << (((bar) * 8) + 6)) +#define LM_RC_BAR_CFG_CTRL_MEM_32BITS(bar) \ + (CDNS_PCIE_LM_BAR_CFG_CTRL_MEM_32BITS << (((bar) * 8) + 6)) +#define LM_RC_BAR_CFG_CTRL_PREF_MEM_32BITS(bar) \ + (CDNS_PCIE_LM_BAR_CFG_CTRL_PREFETCH_MEM_32BITS << (((bar) * 8) + 6)) +#define LM_RC_BAR_CFG_CTRL_MEM_64BITS(bar) \ + (CDNS_PCIE_LM_BAR_CFG_CTRL_MEM_64BITS << (((bar) * 8) + 6)) +#define LM_RC_BAR_CFG_CTRL_PREF_MEM_64BITS(bar) \ + (CDNS_PCIE_LM_BAR_CFG_CTRL_PREFETCH_MEM_64BITS << (((bar) * 8) + 6)) +#define LM_RC_BAR_CFG_APERTURE(bar, aperture) \ + (((aperture) - 2) << ((bar) * 8)) + +/* PTM Control Register */ +#define CDNS_PCIE_LM_PTM_CTRL (CDNS_PCIE_LM_BASE + 0x0DA8) +#define CDNS_PCIE_LM_TPM_CTRL_PTMRSEN BIT(17) + +/* + * Endpoint Function Registers (PCI configuration space for endpoint functions) + */ +#define CDNS_PCIE_EP_FUNC_BASE(fn) (((fn) << 12) & GENMASK(19, 12)) + +#define CDNS_PCIE_EP_FUNC_MSI_CAP_OFFSET 0x90 +#define CDNS_PCIE_EP_FUNC_MSIX_CAP_OFFSET 0xB0 +#define CDNS_PCIE_EP_FUNC_DEV_CAP_OFFSET 0xC0 +#define CDNS_PCIE_EP_FUNC_SRIOV_CAP_OFFSET 0x200 + +/* Endpoint PF Registers */ +#define CDNS_PCIE_CORE_PF_I_ARI_CAP_AND_CTRL(fn) (0x144 + (fn) * 0x1000) +#define CDNS_PCIE_ARI_CAP_NFN_MASK GENMASK(15, 8) + +/* Root Port Registers (PCI configuration space for the root port function) */ +#define CDNS_PCIE_RP_BASE 0x00200000 +#define CDNS_PCIE_RP_CAP_OFFSET 0xC0 + +/* Address Translation Registers */ +#define CDNS_PCIE_AT_BASE 0x00400000 + +/* Region r Outbound AXI to PCIe Address Translation Register 0 */ +#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0(r) \ + (CDNS_PCIE_AT_BASE + 0x0000 + ((r) & 0x1F) * 0x0020) +#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_NBITS_MASK GENMASK(5, 0) +#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_NBITS(nbits) \ + (((nbits) - 1) & CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_NBITS_MASK) +#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_DEVFN_MASK GENMASK(19, 12) +#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_DEVFN(devfn) \ + (((devfn) << 12) & CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_DEVFN_MASK) +#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_BUS_MASK GENMASK(27, 20) +#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_BUS(bus) \ + (((bus) << 20) & CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_BUS_MASK) + +/* Region r Outbound AXI to PCIe Address Translation Register 1 */ +#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR1(r) \ + (CDNS_PCIE_AT_BASE + 0x0004 + ((r) & 0x1F) * 0x0020) + +/* Region r Outbound PCIe Descriptor Register 0 */ +#define CDNS_PCIE_AT_OB_REGION_DESC0(r) \ + (CDNS_PCIE_AT_BASE + 0x0008 + ((r) & 0x1F) * 0x0020) +#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_MASK GENMASK(3, 0) +#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_MEM 0x2 +#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_IO 0x6 +#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_CONF_TYPE0 0xA +#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_CONF_TYPE1 0xB +#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_NORMAL_MSG 0xC +#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_VENDOR_MSG 0xD +/* Bit 23 MUST be set in RC mode. */ +#define CDNS_PCIE_AT_OB_REGION_DESC0_HARDCODED_RID BIT(23) +#define CDNS_PCIE_AT_OB_REGION_DESC0_DEVFN_MASK GENMASK(31, 24) +#define CDNS_PCIE_AT_OB_REGION_DESC0_DEVFN(devfn) \ + (((devfn) << 24) & CDNS_PCIE_AT_OB_REGION_DESC0_DEVFN_MASK) + +/* Region r Outbound PCIe Descriptor Register 1 */ +#define CDNS_PCIE_AT_OB_REGION_DESC1(r) \ + (CDNS_PCIE_AT_BASE + 0x000C + ((r) & 0x1F) * 0x0020) +#define CDNS_PCIE_AT_OB_REGION_DESC1_BUS_MASK GENMASK(7, 0) +#define CDNS_PCIE_AT_OB_REGION_DESC1_BUS(bus) \ + ((bus) & CDNS_PCIE_AT_OB_REGION_DESC1_BUS_MASK) + +/* Region r AXI Region Base Address Register 0 */ +#define CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r) \ + (CDNS_PCIE_AT_BASE + 0x0018 + ((r) & 0x1F) * 0x0020) +#define CDNS_PCIE_AT_OB_REGION_CPU_ADDR0_NBITS_MASK GENMASK(5, 0) +#define CDNS_PCIE_AT_OB_REGION_CPU_ADDR0_NBITS(nbits) \ + (((nbits) - 1) & CDNS_PCIE_AT_OB_REGION_CPU_ADDR0_NBITS_MASK) + +/* Region r AXI Region Base Address Register 1 */ +#define CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r) \ + (CDNS_PCIE_AT_BASE + 0x001C + ((r) & 0x1F) * 0x0020) + +/* Root Port BAR Inbound PCIe to AXI Address Translation Register */ +#define CDNS_PCIE_AT_IB_RP_BAR_ADDR0(bar) \ + (CDNS_PCIE_AT_BASE + 0x0800 + (bar) * 0x0008) +#define CDNS_PCIE_AT_IB_RP_BAR_ADDR0_NBITS_MASK GENMASK(5, 0) +#define CDNS_PCIE_AT_IB_RP_BAR_ADDR0_NBITS(nbits) \ + (((nbits) - 1) & CDNS_PCIE_AT_IB_RP_BAR_ADDR0_NBITS_MASK) +#define CDNS_PCIE_AT_IB_RP_BAR_ADDR1(bar) \ + (CDNS_PCIE_AT_BASE + 0x0804 + (bar) * 0x0008) + +/* AXI link down register */ +#define CDNS_PCIE_AT_LINKDOWN (CDNS_PCIE_AT_BASE + 0x0824) + +/* LTSSM Capabilities register */ +#define CDNS_PCIE_LTSSM_CONTROL_CAP (CDNS_PCIE_LM_BASE + 0x0054) +#define CDNS_PCIE_DETECT_QUIET_MIN_DELAY_MASK GENMASK(2, 1) +#define CDNS_PCIE_DETECT_QUIET_MIN_DELAY_SHIFT 1 +#define CDNS_PCIE_DETECT_QUIET_MIN_DELAY(delay) \ + (((delay) << CDNS_PCIE_DETECT_QUIET_MIN_DELAY_SHIFT) & \ + CDNS_PCIE_DETECT_QUIET_MIN_DELAY_MASK) + +#define CDNS_PCIE_RP_MAX_IB 0x3 +#define CDNS_PCIE_MAX_OB 32 + +/* Endpoint Function BAR Inbound PCIe to AXI Address Translation Register */ +#define CDNS_PCIE_AT_IB_EP_FUNC_BAR_ADDR0(fn, bar) \ + (CDNS_PCIE_AT_BASE + 0x0840 + (fn) * 0x0040 + (bar) * 0x0008) +#define CDNS_PCIE_AT_IB_EP_FUNC_BAR_ADDR1(fn, bar) \ + (CDNS_PCIE_AT_BASE + 0x0844 + (fn) * 0x0040 + (bar) * 0x0008) + +/* Normal/Vendor specific message access: offset inside some outbound region */ +#define CDNS_PCIE_NORMAL_MSG_ROUTING_MASK GENMASK(7, 5) +#define CDNS_PCIE_NORMAL_MSG_ROUTING(route) \ + (((route) << 5) & CDNS_PCIE_NORMAL_MSG_ROUTING_MASK) +#define CDNS_PCIE_NORMAL_MSG_CODE_MASK GENMASK(15, 8) +#define CDNS_PCIE_NORMAL_MSG_CODE(code) \ + (((code) << 8) & CDNS_PCIE_NORMAL_MSG_CODE_MASK) +#define CDNS_PCIE_MSG_NO_DATA BIT(16) + +#endif /* _PCIE_CADENCE_LGA_REGS_H */ diff --git a/drivers/pci/controller/cadence/pcie-cadence.h b/drivers/pci/controller/cadence/pcie-cadence.h index 1d81c4bf6c6d..79df86117fde 100644 --- a/drivers/pci/controller/cadence/pcie-cadence.h +++ b/drivers/pci/controller/cadence/pcie-cadence.h @@ -10,213 +10,7 @@ #include #include #include - -/* Parameters for the waiting for link up routine */ -#define LINK_WAIT_MAX_RETRIES 10 -#define LINK_WAIT_USLEEP_MIN 90000 -#define LINK_WAIT_USLEEP_MAX 100000 - -/* - * Local Management Registers - */ -#define CDNS_PCIE_LM_BASE 0x00100000 - -/* Vendor ID Register */ -#define CDNS_PCIE_LM_ID (CDNS_PCIE_LM_BASE + 0x0044) -#define CDNS_PCIE_LM_ID_VENDOR_MASK GENMASK(15, 0) -#define CDNS_PCIE_LM_ID_VENDOR_SHIFT 0 -#define CDNS_PCIE_LM_ID_VENDOR(vid) \ - (((vid) << CDNS_PCIE_LM_ID_VENDOR_SHIFT) & CDNS_PCIE_LM_ID_VENDOR_MASK) -#define CDNS_PCIE_LM_ID_SUBSYS_MASK GENMASK(31, 16) -#define CDNS_PCIE_LM_ID_SUBSYS_SHIFT 16 -#define CDNS_PCIE_LM_ID_SUBSYS(sub) \ - (((sub) << CDNS_PCIE_LM_ID_SUBSYS_SHIFT) & CDNS_PCIE_LM_ID_SUBSYS_MASK) - -/* Root Port Requester ID Register */ -#define CDNS_PCIE_LM_RP_RID (CDNS_PCIE_LM_BASE + 0x0228) -#define CDNS_PCIE_LM_RP_RID_MASK GENMASK(15, 0) -#define CDNS_PCIE_LM_RP_RID_SHIFT 0 -#define CDNS_PCIE_LM_RP_RID_(rid) \ - (((rid) << CDNS_PCIE_LM_RP_RID_SHIFT) & CDNS_PCIE_LM_RP_RID_MASK) - -/* Endpoint Bus and Device Number Register */ -#define CDNS_PCIE_LM_EP_ID (CDNS_PCIE_LM_BASE + 0x022c) -#define CDNS_PCIE_LM_EP_ID_DEV_MASK GENMASK(4, 0) -#define CDNS_PCIE_LM_EP_ID_DEV_SHIFT 0 -#define CDNS_PCIE_LM_EP_ID_BUS_MASK GENMASK(15, 8) -#define CDNS_PCIE_LM_EP_ID_BUS_SHIFT 8 - -/* Endpoint Function f BAR b Configuration Registers */ -#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG(bar, fn) \ - (((bar) < BAR_4) ? CDNS_PCIE_LM_EP_FUNC_BAR_CFG0(fn) : CDNS_PCIE_LM_EP_FUNC_BAR_CFG1(fn)) -#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG0(fn) \ - (CDNS_PCIE_LM_BASE + 0x0240 + (fn) * 0x0008) -#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG1(fn) \ - (CDNS_PCIE_LM_BASE + 0x0244 + (fn) * 0x0008) -#define CDNS_PCIE_LM_EP_VFUNC_BAR_CFG(bar, fn) \ - (((bar) < BAR_4) ? CDNS_PCIE_LM_EP_VFUNC_BAR_CFG0(fn) : CDNS_PCIE_LM_EP_VFUNC_BAR_CFG1(fn)) -#define CDNS_PCIE_LM_EP_VFUNC_BAR_CFG0(fn) \ - (CDNS_PCIE_LM_BASE + 0x0280 + (fn) * 0x0008) -#define CDNS_PCIE_LM_EP_VFUNC_BAR_CFG1(fn) \ - (CDNS_PCIE_LM_BASE + 0x0284 + (fn) * 0x0008) -#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_APERTURE_MASK(b) \ - (GENMASK(4, 0) << ((b) * 8)) -#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_APERTURE(b, a) \ - (((a) << ((b) * 8)) & CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_APERTURE_MASK(b)) -#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_CTRL_MASK(b) \ - (GENMASK(7, 5) << ((b) * 8)) -#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_CTRL(b, c) \ - (((c) << ((b) * 8 + 5)) & CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_CTRL_MASK(b)) - -/* Endpoint Function Configuration Register */ -#define CDNS_PCIE_LM_EP_FUNC_CFG (CDNS_PCIE_LM_BASE + 0x02c0) - -/* Root Complex BAR Configuration Register */ -#define CDNS_PCIE_LM_RC_BAR_CFG (CDNS_PCIE_LM_BASE + 0x0300) -#define CDNS_PCIE_LM_RC_BAR_CFG_BAR0_APERTURE_MASK GENMASK(5, 0) -#define CDNS_PCIE_LM_RC_BAR_CFG_BAR0_APERTURE(a) \ - (((a) << 0) & CDNS_PCIE_LM_RC_BAR_CFG_BAR0_APERTURE_MASK) -#define CDNS_PCIE_LM_RC_BAR_CFG_BAR0_CTRL_MASK GENMASK(8, 6) -#define CDNS_PCIE_LM_RC_BAR_CFG_BAR0_CTRL(c) \ - (((c) << 6) & CDNS_PCIE_LM_RC_BAR_CFG_BAR0_CTRL_MASK) -#define CDNS_PCIE_LM_RC_BAR_CFG_BAR1_APERTURE_MASK GENMASK(13, 9) -#define CDNS_PCIE_LM_RC_BAR_CFG_BAR1_APERTURE(a) \ - (((a) << 9) & CDNS_PCIE_LM_RC_BAR_CFG_BAR1_APERTURE_MASK) -#define CDNS_PCIE_LM_RC_BAR_CFG_BAR1_CTRL_MASK GENMASK(16, 14) -#define CDNS_PCIE_LM_RC_BAR_CFG_BAR1_CTRL(c) \ - (((c) << 14) & CDNS_PCIE_LM_RC_BAR_CFG_BAR1_CTRL_MASK) -#define CDNS_PCIE_LM_RC_BAR_CFG_PREFETCH_MEM_ENABLE BIT(17) -#define CDNS_PCIE_LM_RC_BAR_CFG_PREFETCH_MEM_32BITS 0 -#define CDNS_PCIE_LM_RC_BAR_CFG_PREFETCH_MEM_64BITS BIT(18) -#define CDNS_PCIE_LM_RC_BAR_CFG_IO_ENABLE BIT(19) -#define CDNS_PCIE_LM_RC_BAR_CFG_IO_16BITS 0 -#define CDNS_PCIE_LM_RC_BAR_CFG_IO_32BITS BIT(20) -#define CDNS_PCIE_LM_RC_BAR_CFG_CHECK_ENABLE BIT(31) - -/* BAR control values applicable to both Endpoint Function and Root Complex */ -#define CDNS_PCIE_LM_BAR_CFG_CTRL_DISABLED 0x0 -#define CDNS_PCIE_LM_BAR_CFG_CTRL_IO_32BITS 0x1 -#define CDNS_PCIE_LM_BAR_CFG_CTRL_MEM_32BITS 0x4 -#define CDNS_PCIE_LM_BAR_CFG_CTRL_PREFETCH_MEM_32BITS 0x5 -#define CDNS_PCIE_LM_BAR_CFG_CTRL_MEM_64BITS 0x6 -#define CDNS_PCIE_LM_BAR_CFG_CTRL_PREFETCH_MEM_64BITS 0x7 - -#define LM_RC_BAR_CFG_CTRL_DISABLED(bar) \ - (CDNS_PCIE_LM_BAR_CFG_CTRL_DISABLED << (((bar) * 8) + 6)) -#define LM_RC_BAR_CFG_CTRL_IO_32BITS(bar) \ - (CDNS_PCIE_LM_BAR_CFG_CTRL_IO_32BITS << (((bar) * 8) + 6)) -#define LM_RC_BAR_CFG_CTRL_MEM_32BITS(bar) \ - (CDNS_PCIE_LM_BAR_CFG_CTRL_MEM_32BITS << (((bar) * 8) + 6)) -#define LM_RC_BAR_CFG_CTRL_PREF_MEM_32BITS(bar) \ - (CDNS_PCIE_LM_BAR_CFG_CTRL_PREFETCH_MEM_32BITS << (((bar) * 8) + 6)) -#define LM_RC_BAR_CFG_CTRL_MEM_64BITS(bar) \ - (CDNS_PCIE_LM_BAR_CFG_CTRL_MEM_64BITS << (((bar) * 8) + 6)) -#define LM_RC_BAR_CFG_CTRL_PREF_MEM_64BITS(bar) \ - (CDNS_PCIE_LM_BAR_CFG_CTRL_PREFETCH_MEM_64BITS << (((bar) * 8) + 6)) -#define LM_RC_BAR_CFG_APERTURE(bar, aperture) \ - (((aperture) - 2) << ((bar) * 8)) - -/* PTM Control Register */ -#define CDNS_PCIE_LM_PTM_CTRL (CDNS_PCIE_LM_BASE + 0x0da8) -#define CDNS_PCIE_LM_TPM_CTRL_PTMRSEN BIT(17) - -/* - * Endpoint Function Registers (PCI configuration space for endpoint functions) - */ -#define CDNS_PCIE_EP_FUNC_BASE(fn) (((fn) << 12) & GENMASK(19, 12)) - -#define CDNS_PCIE_EP_FUNC_MSI_CAP_OFFSET 0x90 -#define CDNS_PCIE_EP_FUNC_MSIX_CAP_OFFSET 0xb0 -#define CDNS_PCIE_EP_FUNC_DEV_CAP_OFFSET 0xc0 -#define CDNS_PCIE_EP_FUNC_SRIOV_CAP_OFFSET 0x200 - -/* - * Endpoint PF Registers - */ -#define CDNS_PCIE_CORE_PF_I_ARI_CAP_AND_CTRL(fn) (0x144 + (fn) * 0x1000) -#define CDNS_PCIE_ARI_CAP_NFN_MASK GENMASK(15, 8) - -/* - * Root Port Registers (PCI configuration space for the root port function) - */ -#define CDNS_PCIE_RP_BASE 0x00200000 -#define CDNS_PCIE_RP_CAP_OFFSET 0xc0 - -/* - * Address Translation Registers - */ -#define CDNS_PCIE_AT_BASE 0x00400000 - -/* Region r Outbound AXI to PCIe Address Translation Register 0 */ -#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0(r) \ - (CDNS_PCIE_AT_BASE + 0x0000 + ((r) & 0x1f) * 0x0020) -#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_NBITS_MASK GENMASK(5, 0) -#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_NBITS(nbits) \ - (((nbits) - 1) & CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_NBITS_MASK) -#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_DEVFN_MASK GENMASK(19, 12) -#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_DEVFN(devfn) \ - (((devfn) << 12) & CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_DEVFN_MASK) -#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_BUS_MASK GENMASK(27, 20) -#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_BUS(bus) \ - (((bus) << 20) & CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_BUS_MASK) - -/* Region r Outbound AXI to PCIe Address Translation Register 1 */ -#define CDNS_PCIE_AT_OB_REGION_PCI_ADDR1(r) \ - (CDNS_PCIE_AT_BASE + 0x0004 + ((r) & 0x1f) * 0x0020) - -/* Region r Outbound PCIe Descriptor Register 0 */ -#define CDNS_PCIE_AT_OB_REGION_DESC0(r) \ - (CDNS_PCIE_AT_BASE + 0x0008 + ((r) & 0x1f) * 0x0020) -#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_MASK GENMASK(3, 0) -#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_MEM 0x2 -#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_IO 0x6 -#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_CONF_TYPE0 0xa -#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_CONF_TYPE1 0xb -#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_NORMAL_MSG 0xc -#define CDNS_PCIE_AT_OB_REGION_DESC0_TYPE_VENDOR_MSG 0xd -/* Bit 23 MUST be set in RC mode. */ -#define CDNS_PCIE_AT_OB_REGION_DESC0_HARDCODED_RID BIT(23) -#define CDNS_PCIE_AT_OB_REGION_DESC0_DEVFN_MASK GENMASK(31, 24) -#define CDNS_PCIE_AT_OB_REGION_DESC0_DEVFN(devfn) \ - (((devfn) << 24) & CDNS_PCIE_AT_OB_REGION_DESC0_DEVFN_MASK) - -/* Region r Outbound PCIe Descriptor Register 1 */ -#define CDNS_PCIE_AT_OB_REGION_DESC1(r) \ - (CDNS_PCIE_AT_BASE + 0x000c + ((r) & 0x1f) * 0x0020) -#define CDNS_PCIE_AT_OB_REGION_DESC1_BUS_MASK GENMASK(7, 0) -#define CDNS_PCIE_AT_OB_REGION_DESC1_BUS(bus) \ - ((bus) & CDNS_PCIE_AT_OB_REGION_DESC1_BUS_MASK) - -/* Region r AXI Region Base Address Register 0 */ -#define CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r) \ - (CDNS_PCIE_AT_BASE + 0x0018 + ((r) & 0x1f) * 0x0020) -#define CDNS_PCIE_AT_OB_REGION_CPU_ADDR0_NBITS_MASK GENMASK(5, 0) -#define CDNS_PCIE_AT_OB_REGION_CPU_ADDR0_NBITS(nbits) \ - (((nbits) - 1) & CDNS_PCIE_AT_OB_REGION_CPU_ADDR0_NBITS_MASK) - -/* Region r AXI Region Base Address Register 1 */ -#define CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r) \ - (CDNS_PCIE_AT_BASE + 0x001c + ((r) & 0x1f) * 0x0020) - -/* Root Port BAR Inbound PCIe to AXI Address Translation Register */ -#define CDNS_PCIE_AT_IB_RP_BAR_ADDR0(bar) \ - (CDNS_PCIE_AT_BASE + 0x0800 + (bar) * 0x0008) -#define CDNS_PCIE_AT_IB_RP_BAR_ADDR0_NBITS_MASK GENMASK(5, 0) -#define CDNS_PCIE_AT_IB_RP_BAR_ADDR0_NBITS(nbits) \ - (((nbits) - 1) & CDNS_PCIE_AT_IB_RP_BAR_ADDR0_NBITS_MASK) -#define CDNS_PCIE_AT_IB_RP_BAR_ADDR1(bar) \ - (CDNS_PCIE_AT_BASE + 0x0804 + (bar) * 0x0008) - -/* AXI link down register */ -#define CDNS_PCIE_AT_LINKDOWN (CDNS_PCIE_AT_BASE + 0x0824) - -/* LTSSM Capabilities register */ -#define CDNS_PCIE_LTSSM_CONTROL_CAP (CDNS_PCIE_LM_BASE + 0x0054) -#define CDNS_PCIE_DETECT_QUIET_MIN_DELAY_MASK GENMASK(2, 1) -#define CDNS_PCIE_DETECT_QUIET_MIN_DELAY_SHIFT 1 -#define CDNS_PCIE_DETECT_QUIET_MIN_DELAY(delay) \ - (((delay) << CDNS_PCIE_DETECT_QUIET_MIN_DELAY_SHIFT) & \ - CDNS_PCIE_DETECT_QUIET_MIN_DELAY_MASK) +#include "pcie-cadence-lga-regs.h" enum cdns_pcie_rp_bar { RP_BAR_UNDEFINED = -1, @@ -225,29 +19,11 @@ enum cdns_pcie_rp_bar { RP_NO_BAR }; -#define CDNS_PCIE_RP_MAX_IB 0x3 -#define CDNS_PCIE_MAX_OB 32 - struct cdns_pcie_rp_ib_bar { u64 size; bool free; }; -/* Endpoint Function BAR Inbound PCIe to AXI Address Translation Register */ -#define CDNS_PCIE_AT_IB_EP_FUNC_BAR_ADDR0(fn, bar) \ - (CDNS_PCIE_AT_BASE + 0x0840 + (fn) * 0x0040 + (bar) * 0x0008) -#define CDNS_PCIE_AT_IB_EP_FUNC_BAR_ADDR1(fn, bar) \ - (CDNS_PCIE_AT_BASE + 0x0844 + (fn) * 0x0040 + (bar) * 0x0008) - -/* Normal/Vendor specific message access: offset inside some outbound region */ -#define CDNS_PCIE_NORMAL_MSG_ROUTING_MASK GENMASK(7, 5) -#define CDNS_PCIE_NORMAL_MSG_ROUTING(route) \ - (((route) << 5) & CDNS_PCIE_NORMAL_MSG_ROUTING_MASK) -#define CDNS_PCIE_NORMAL_MSG_CODE_MASK GENMASK(15, 8) -#define CDNS_PCIE_NORMAL_MSG_CODE(code) \ - (((code) << 8) & CDNS_PCIE_NORMAL_MSG_CODE_MASK) -#define CDNS_PCIE_MSG_DATA BIT(16) - struct cdns_pcie; struct cdns_pcie_ops { -- 2.49.0