From patchwork Thu Aug 15 08:37:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095369 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C430914F7 for ; Thu, 15 Aug 2019 08:48:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B08A7286D0 for ; Thu, 15 Aug 2019 08:48:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A31B0286BF; Thu, 15 Aug 2019 08:48:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8ABE0286BF for ; Thu, 15 Aug 2019 08:48:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=0nqnxDI5qudSAoE3N72NcVuDNuAhwxA2ljTUyFWC+0s=; b=iLM uWuGLRtkhu8WbX+gr05fcc6AhBXiqDB1K5l+wJJbY4gUKHhNztk2DcwLTHQq85zTEAdZWqRNb09yE Lc8sZqVbmLR5nP4ymqELipiZCbOwg9qmX0PnK6Fmx0nO+EvPwdWsLlPle8vr2pa2+JUa7PYbPRUB6 gd2lRlTllvCy46bouzS4zhQmtoc6b2i3hPE8VoZzL5glbg2hSsTmqdtlBrX0upzGF9Ibawj7dZAbL MqkvN/ug6X/3ly8x2VMZT5li1rK1dHxdznEEgbxSGjYRdr3HDz8XGIqXKoqOb9qTqcOQA2n2AsfEU rFVNX4RHrWPwziHlbEFJnbfWE+LEp1A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hyBQS-0006mK-0z; Thu, 15 Aug 2019 08:48:04 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hyBQC-0006Ww-Jl for linux-arm-kernel@lists.infradead.org; Thu, 15 Aug 2019 08:47:51 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 4EEFB1A0219; Thu, 15 Aug 2019 10:47:43 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 32CC31A03EE; Thu, 15 Aug 2019 10:47:34 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id B5E74402F1; Thu, 15 Aug 2019 16:47:23 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 01/10] PCI: designware-ep: Add multiple PFs support for DWC Date: Thu, 15 Aug 2019 16:37:07 +0800 Message-Id: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014748_934874_D078E6F0 X-CRM114-Status: GOOD ( 14.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add multiple PFs support for DWC, different PF have different config space, we use pf-offset property which get from the DTS to access the different pF config space. Signed-off-by: Xiaowei Bao --- drivers/pci/controller/dwc/pcie-designware-ep.c | 97 +++++++++++++--------- drivers/pci/controller/dwc/pcie-designware.c | 105 ++++++++++++++++++++++-- drivers/pci/controller/dwc/pcie-designware.h | 10 ++- include/linux/pci-epc.h | 1 + 4 files changed, 164 insertions(+), 49 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 2bf5a35..75e2955 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -19,12 +19,14 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep) pci_epc_linkup(epc); } -static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar, - int flags) +static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, u8 func_no, + enum pci_barno bar, int flags) { u32 reg; + struct pci_epc *epc = pci->ep.epc; + u32 pf_base = func_no * epc->pf_offset; - reg = PCI_BASE_ADDRESS_0 + (4 * bar); + reg = pf_base + PCI_BASE_ADDRESS_0 + (4 * bar); dw_pcie_dbi_ro_wr_en(pci); dw_pcie_writel_dbi2(pci, reg, 0x0); dw_pcie_writel_dbi(pci, reg, 0x0); @@ -37,7 +39,12 @@ static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar, void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar) { - __dw_pcie_ep_reset_bar(pci, bar, 0); + u8 func_no, funcs; + + funcs = pci->ep.epc->max_functions; + + for (func_no = 0; func_no < funcs; func_no++) + __dw_pcie_ep_reset_bar(pci, func_no, bar, 0); } static u8 __dw_pcie_ep_find_next_cap(struct dw_pcie *pci, u8 cap_ptr, @@ -78,28 +85,29 @@ static int dw_pcie_ep_write_header(struct pci_epc *epc, u8 func_no, { struct dw_pcie_ep *ep = epc_get_drvdata(epc); struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + u32 pf_base = func_no * epc->pf_offset; dw_pcie_dbi_ro_wr_en(pci); - dw_pcie_writew_dbi(pci, PCI_VENDOR_ID, hdr->vendorid); - dw_pcie_writew_dbi(pci, PCI_DEVICE_ID, hdr->deviceid); - dw_pcie_writeb_dbi(pci, PCI_REVISION_ID, hdr->revid); - dw_pcie_writeb_dbi(pci, PCI_CLASS_PROG, hdr->progif_code); - dw_pcie_writew_dbi(pci, PCI_CLASS_DEVICE, + dw_pcie_writew_dbi(pci, pf_base + PCI_VENDOR_ID, hdr->vendorid); + dw_pcie_writew_dbi(pci, pf_base + PCI_DEVICE_ID, hdr->deviceid); + dw_pcie_writeb_dbi(pci, pf_base + PCI_REVISION_ID, hdr->revid); + dw_pcie_writeb_dbi(pci, pf_base + PCI_CLASS_PROG, hdr->progif_code); + dw_pcie_writew_dbi(pci, pf_base + PCI_CLASS_DEVICE, hdr->subclass_code | hdr->baseclass_code << 8); - dw_pcie_writeb_dbi(pci, PCI_CACHE_LINE_SIZE, + dw_pcie_writeb_dbi(pci, pf_base + PCI_CACHE_LINE_SIZE, hdr->cache_line_size); - dw_pcie_writew_dbi(pci, PCI_SUBSYSTEM_VENDOR_ID, + dw_pcie_writew_dbi(pci, pf_base + PCI_SUBSYSTEM_VENDOR_ID, hdr->subsys_vendor_id); - dw_pcie_writew_dbi(pci, PCI_SUBSYSTEM_ID, hdr->subsys_id); - dw_pcie_writeb_dbi(pci, PCI_INTERRUPT_PIN, + dw_pcie_writew_dbi(pci, pf_base + PCI_SUBSYSTEM_ID, hdr->subsys_id); + dw_pcie_writeb_dbi(pci, pf_base + PCI_INTERRUPT_PIN, hdr->interrupt_pin); dw_pcie_dbi_ro_wr_dis(pci); return 0; } -static int dw_pcie_ep_inbound_atu(struct dw_pcie_ep *ep, enum pci_barno bar, - dma_addr_t cpu_addr, +static int dw_pcie_ep_inbound_atu(struct dw_pcie_ep *ep, u8 func_no, + enum pci_barno bar, dma_addr_t cpu_addr, enum dw_pcie_as_type as_type) { int ret; @@ -112,7 +120,7 @@ static int dw_pcie_ep_inbound_atu(struct dw_pcie_ep *ep, enum pci_barno bar, return -EINVAL; } - ret = dw_pcie_prog_inbound_atu(pci, free_win, bar, cpu_addr, + ret = dw_pcie_prog_inbound_atu(pci, func_no, free_win, bar, cpu_addr, as_type); if (ret < 0) { dev_err(pci->dev, "Failed to program IB window\n"); @@ -125,7 +133,8 @@ static int dw_pcie_ep_inbound_atu(struct dw_pcie_ep *ep, enum pci_barno bar, return 0; } -static int dw_pcie_ep_outbound_atu(struct dw_pcie_ep *ep, phys_addr_t phys_addr, +static int dw_pcie_ep_outbound_atu(struct dw_pcie_ep *ep, u8 func_no, + phys_addr_t phys_addr, u64 pci_addr, size_t size) { u32 free_win; @@ -137,8 +146,8 @@ static int dw_pcie_ep_outbound_atu(struct dw_pcie_ep *ep, phys_addr_t phys_addr, return -EINVAL; } - dw_pcie_prog_outbound_atu(pci, free_win, PCIE_ATU_TYPE_MEM, - phys_addr, pci_addr, size); + dw_pcie_prog_ep_outbound_atu(pci, func_no, free_win, PCIE_ATU_TYPE_MEM, + phys_addr, pci_addr, size); set_bit(free_win, ep->ob_window_map); ep->outbound_addr[free_win] = phys_addr; @@ -154,7 +163,7 @@ static void dw_pcie_ep_clear_bar(struct pci_epc *epc, u8 func_no, enum pci_barno bar = epf_bar->barno; u32 atu_index = ep->bar_to_atu[bar]; - __dw_pcie_ep_reset_bar(pci, bar, epf_bar->flags); + __dw_pcie_ep_reset_bar(pci, func_no, bar, epf_bar->flags); dw_pcie_disable_atu(pci, atu_index, DW_PCIE_REGION_INBOUND); clear_bit(atu_index, ep->ib_window_map); @@ -170,14 +179,16 @@ static int dw_pcie_ep_set_bar(struct pci_epc *epc, u8 func_no, size_t size = epf_bar->size; int flags = epf_bar->flags; enum dw_pcie_as_type as_type; - u32 reg = PCI_BASE_ADDRESS_0 + (4 * bar); + u32 pf_base = func_no * epc->pf_offset; + u32 reg = PCI_BASE_ADDRESS_0 + (4 * bar) + pf_base; if (!(flags & PCI_BASE_ADDRESS_SPACE)) as_type = DW_PCIE_AS_MEM; else as_type = DW_PCIE_AS_IO; - ret = dw_pcie_ep_inbound_atu(ep, bar, epf_bar->phys_addr, as_type); + ret = dw_pcie_ep_inbound_atu(ep, func_no, bar, + epf_bar->phys_addr, as_type); if (ret) return ret; @@ -235,7 +246,7 @@ static int dw_pcie_ep_map_addr(struct pci_epc *epc, u8 func_no, struct dw_pcie_ep *ep = epc_get_drvdata(epc); struct dw_pcie *pci = to_dw_pcie_from_ep(ep); - ret = dw_pcie_ep_outbound_atu(ep, addr, pci_addr, size); + ret = dw_pcie_ep_outbound_atu(ep, func_no, addr, pci_addr, size); if (ret) { dev_err(pci->dev, "Failed to enable address\n"); return ret; @@ -248,12 +259,13 @@ static int dw_pcie_ep_get_msi(struct pci_epc *epc, u8 func_no) { struct dw_pcie_ep *ep = epc_get_drvdata(epc); struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + u32 pf_base = func_no * epc->pf_offset; u32 val, reg; if (!ep->msi_cap) return -EINVAL; - reg = ep->msi_cap + PCI_MSI_FLAGS; + reg = ep->msi_cap + pf_base + PCI_MSI_FLAGS; val = dw_pcie_readw_dbi(pci, reg); if (!(val & PCI_MSI_FLAGS_ENABLE)) return -EINVAL; @@ -267,12 +279,13 @@ static int dw_pcie_ep_set_msi(struct pci_epc *epc, u8 func_no, u8 interrupts) { struct dw_pcie_ep *ep = epc_get_drvdata(epc); struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + u32 pf_base = func_no * epc->pf_offset; u32 val, reg; if (!ep->msi_cap) return -EINVAL; - reg = ep->msi_cap + PCI_MSI_FLAGS; + reg = ep->msi_cap + pf_base + PCI_MSI_FLAGS; val = dw_pcie_readw_dbi(pci, reg); val &= ~PCI_MSI_FLAGS_QMASK; val |= (interrupts << 1) & PCI_MSI_FLAGS_QMASK; @@ -287,12 +300,13 @@ static int dw_pcie_ep_get_msix(struct pci_epc *epc, u8 func_no) { struct dw_pcie_ep *ep = epc_get_drvdata(epc); struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + u32 pf_base = func_no * epc->pf_offset; u32 val, reg; if (!ep->msix_cap) return -EINVAL; - reg = ep->msix_cap + PCI_MSIX_FLAGS; + reg = ep->msix_cap + pf_base + PCI_MSIX_FLAGS; val = dw_pcie_readw_dbi(pci, reg); if (!(val & PCI_MSIX_FLAGS_ENABLE)) return -EINVAL; @@ -306,12 +320,13 @@ static int dw_pcie_ep_set_msix(struct pci_epc *epc, u8 func_no, u16 interrupts) { struct dw_pcie_ep *ep = epc_get_drvdata(epc); struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + u32 pf_base = func_no * epc->pf_offset; u32 val, reg; if (!ep->msix_cap) return -EINVAL; - reg = ep->msix_cap + PCI_MSIX_FLAGS; + reg = ep->msix_cap + pf_base + PCI_MSIX_FLAGS; val = dw_pcie_readw_dbi(pci, reg); val &= ~PCI_MSIX_FLAGS_QSIZE; val |= interrupts; @@ -400,6 +415,7 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no, unsigned int aligned_offset; u16 msg_ctrl, msg_data; u32 msg_addr_lower, msg_addr_upper, reg; + u32 pf_base = func_no * epc->pf_offset; u64 msg_addr; bool has_upper; int ret; @@ -408,19 +424,19 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no, return -EINVAL; /* Raise MSI per the PCI Local Bus Specification Revision 3.0, 6.8.1. */ - reg = ep->msi_cap + PCI_MSI_FLAGS; + reg = ep->msi_cap + pf_base + PCI_MSI_FLAGS; msg_ctrl = dw_pcie_readw_dbi(pci, reg); has_upper = !!(msg_ctrl & PCI_MSI_FLAGS_64BIT); - reg = ep->msi_cap + PCI_MSI_ADDRESS_LO; + reg = ep->msi_cap + pf_base + PCI_MSI_ADDRESS_LO; msg_addr_lower = dw_pcie_readl_dbi(pci, reg); if (has_upper) { - reg = ep->msi_cap + PCI_MSI_ADDRESS_HI; + reg = ep->msi_cap + pf_base + PCI_MSI_ADDRESS_HI; msg_addr_upper = dw_pcie_readl_dbi(pci, reg); - reg = ep->msi_cap + PCI_MSI_DATA_64; + reg = ep->msi_cap + pf_base + PCI_MSI_DATA_64; msg_data = dw_pcie_readw_dbi(pci, reg); } else { msg_addr_upper = 0; - reg = ep->msi_cap + PCI_MSI_DATA_32; + reg = ep->msi_cap + pf_base + PCI_MSI_DATA_32; msg_data = dw_pcie_readw_dbi(pci, reg); } aligned_offset = msg_addr_lower & (epc->mem->page_size - 1); @@ -439,7 +455,7 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no, } int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no, - u16 interrupt_num) + u16 interrupt_num) { struct dw_pcie *pci = to_dw_pcie_from_ep(ep); struct pci_epc *epc = ep->epc; @@ -447,16 +463,17 @@ int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no, u32 bar_addr_upper, bar_addr_lower; u32 msg_addr_upper, msg_addr_lower; u32 reg, msg_data, vec_ctrl; + u32 pf_base = func_no * epc->pf_offset; u64 tbl_addr, msg_addr, reg_u64; void __iomem *msix_tbl; int ret; - reg = ep->msix_cap + PCI_MSIX_TABLE; + reg = ep->msix_cap + pf_base + PCI_MSIX_TABLE; tbl_offset = dw_pcie_readl_dbi(pci, reg); bir = (tbl_offset & PCI_MSIX_TABLE_BIR); tbl_offset &= PCI_MSIX_TABLE_OFFSET; - reg = PCI_BASE_ADDRESS_0 + (4 * bir); + reg = PCI_BASE_ADDRESS_0 + pf_base + (4 * bir); bar_addr_upper = 0; bar_addr_lower = dw_pcie_readl_dbi(pci, reg); reg_u64 = (bar_addr_lower & PCI_BASE_ADDRESS_MEM_TYPE_MASK); @@ -592,13 +609,17 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) ep->epc = epc; epc_set_drvdata(epc, ep); - if (ep->ops->ep_init) - ep->ops->ep_init(ep); - ret = of_property_read_u8(np, "max-functions", &epc->max_functions); if (ret < 0) epc->max_functions = 1; + ret = of_property_read_u32(np, "pf-offset", &epc->pf_offset); + if (ret < 0) + epc->pf_offset = 0; + + if (ep->ops->ep_init) + ep->ops->ep_init(ep); + ret = __pci_epc_mem_init(epc, ep->phys_base, ep->addr_size, ep->page_size); if (ret < 0) { diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c index 7d25102..c99cee4 100644 --- a/drivers/pci/controller/dwc/pcie-designware.c +++ b/drivers/pci/controller/dwc/pcie-designware.c @@ -158,6 +158,43 @@ static void dw_pcie_writel_ob_unroll(struct dw_pcie *pci, u32 index, u32 reg, dw_pcie_writel_atu(pci, offset + reg, val); } +static void dw_pcie_prog_ep_outbound_atu_unroll(struct dw_pcie *pci, u8 func_no, + int index, int type, + u64 cpu_addr, u64 pci_addr, + u32 size) +{ + u32 retries, val; + + dw_pcie_writel_ob_unroll(pci, index, PCIE_ATU_UNR_LOWER_BASE, + lower_32_bits(cpu_addr)); + dw_pcie_writel_ob_unroll(pci, index, PCIE_ATU_UNR_UPPER_BASE, + upper_32_bits(cpu_addr)); + dw_pcie_writel_ob_unroll(pci, index, PCIE_ATU_UNR_LIMIT, + lower_32_bits(cpu_addr + size - 1)); + dw_pcie_writel_ob_unroll(pci, index, PCIE_ATU_UNR_LOWER_TARGET, + lower_32_bits(pci_addr)); + dw_pcie_writel_ob_unroll(pci, index, PCIE_ATU_UNR_UPPER_TARGET, + upper_32_bits(pci_addr)); + dw_pcie_writel_ob_unroll(pci, index, PCIE_ATU_UNR_REGION_CTRL1, + type | PCIE_ATU_FUNC_NUM(func_no)); + dw_pcie_writel_ob_unroll(pci, index, PCIE_ATU_UNR_REGION_CTRL2, + PCIE_ATU_ENABLE); + + /* + * Make sure ATU enable takes effect before any subsequent config + * and I/O accesses. + */ + for (retries = 0; retries < LINK_WAIT_MAX_IATU_RETRIES; retries++) { + val = dw_pcie_readl_ob_unroll(pci, index, + PCIE_ATU_UNR_REGION_CTRL2); + if (val & PCIE_ATU_ENABLE) + return; + + mdelay(LINK_WAIT_IATU); + } + dev_err(pci->dev, "Outbound iATU is not being enabled\n"); +} + static void dw_pcie_prog_outbound_atu_unroll(struct dw_pcie *pci, int index, int type, u64 cpu_addr, u64 pci_addr, u32 size) @@ -194,6 +231,51 @@ static void dw_pcie_prog_outbound_atu_unroll(struct dw_pcie *pci, int index, dev_err(pci->dev, "Outbound iATU is not being enabled\n"); } +void dw_pcie_prog_ep_outbound_atu(struct dw_pcie *pci, u8 func_no, int index, + int type, u64 cpu_addr, u64 pci_addr, + u32 size) +{ + u32 retries, val; + + if (pci->ops->cpu_addr_fixup) + cpu_addr = pci->ops->cpu_addr_fixup(pci, cpu_addr); + + if (pci->iatu_unroll_enabled) { + dw_pcie_prog_ep_outbound_atu_unroll(pci, func_no, index, type, + cpu_addr, pci_addr, size); + return; + } + + dw_pcie_writel_dbi(pci, PCIE_ATU_VIEWPORT, + PCIE_ATU_REGION_OUTBOUND | index); + dw_pcie_writel_dbi(pci, PCIE_ATU_LOWER_BASE, + lower_32_bits(cpu_addr)); + dw_pcie_writel_dbi(pci, PCIE_ATU_UPPER_BASE, + upper_32_bits(cpu_addr)); + dw_pcie_writel_dbi(pci, PCIE_ATU_LIMIT, + lower_32_bits(cpu_addr + size - 1)); + dw_pcie_writel_dbi(pci, PCIE_ATU_LOWER_TARGET, + lower_32_bits(pci_addr)); + dw_pcie_writel_dbi(pci, PCIE_ATU_UPPER_TARGET, + upper_32_bits(pci_addr)); + dw_pcie_writel_dbi(pci, PCIE_ATU_CR1, type | + PCIE_ATU_FUNC_NUM(func_no)); + dw_pcie_writel_dbi(pci, PCIE_ATU_CR2, PCIE_ATU_ENABLE); + + /* + * Make sure ATU enable takes effect before any subsequent config + * and I/O accesses. + */ + for (retries = 0; retries < LINK_WAIT_MAX_IATU_RETRIES; retries++) { + val = dw_pcie_readl_dbi(pci, PCIE_ATU_CR2); + if (val & PCIE_ATU_ENABLE) + return; + + mdelay(LINK_WAIT_IATU); + } + dev_err(pci->dev, "Outbound iATU is not being enabled\n"); +} + void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type, u64 cpu_addr, u64 pci_addr, u32 size) { @@ -252,8 +334,8 @@ static void dw_pcie_writel_ib_unroll(struct dw_pcie *pci, u32 index, u32 reg, dw_pcie_writel_atu(pci, offset + reg, val); } -static int dw_pcie_prog_inbound_atu_unroll(struct dw_pcie *pci, int index, - int bar, u64 cpu_addr, +static int dw_pcie_prog_inbound_atu_unroll(struct dw_pcie *pci, u8 func_no, + int index, int bar, u64 cpu_addr, enum dw_pcie_as_type as_type) { int type; @@ -275,8 +357,10 @@ static int dw_pcie_prog_inbound_atu_unroll(struct dw_pcie *pci, int index, return -EINVAL; } - dw_pcie_writel_ib_unroll(pci, index, PCIE_ATU_UNR_REGION_CTRL1, type); + dw_pcie_writel_ib_unroll(pci, index, PCIE_ATU_UNR_REGION_CTRL1, type | + PCIE_ATU_FUNC_NUM(func_no)); dw_pcie_writel_ib_unroll(pci, index, PCIE_ATU_UNR_REGION_CTRL2, + PCIE_ATU_FUNC_NUM_MATCH_EN | PCIE_ATU_ENABLE | PCIE_ATU_BAR_MODE_ENABLE | (bar << 8)); @@ -297,14 +381,15 @@ static int dw_pcie_prog_inbound_atu_unroll(struct dw_pcie *pci, int index, return -EBUSY; } -int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, int index, int bar, - u64 cpu_addr, enum dw_pcie_as_type as_type) +int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, u8 func_no, int index, + int bar, u64 cpu_addr, + enum dw_pcie_as_type as_type) { int type; u32 retries, val; if (pci->iatu_unroll_enabled) - return dw_pcie_prog_inbound_atu_unroll(pci, index, bar, + return dw_pcie_prog_inbound_atu_unroll(pci, func_no, index, bar, cpu_addr, as_type); dw_pcie_writel_dbi(pci, PCIE_ATU_VIEWPORT, PCIE_ATU_REGION_INBOUND | @@ -323,9 +408,11 @@ int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, int index, int bar, return -EINVAL; } - dw_pcie_writel_dbi(pci, PCIE_ATU_CR1, type); - dw_pcie_writel_dbi(pci, PCIE_ATU_CR2, PCIE_ATU_ENABLE - | PCIE_ATU_BAR_MODE_ENABLE | (bar << 8)); + dw_pcie_writel_dbi(pci, PCIE_ATU_CR1, type | + PCIE_ATU_FUNC_NUM(func_no)); + dw_pcie_writel_dbi(pci, PCIE_ATU_CR2, PCIE_ATU_ENABLE | + PCIE_ATU_FUNC_NUM_MATCH_EN | + PCIE_ATU_BAR_MODE_ENABLE | (bar << 8)); /* * Make sure ATU enable takes effect before any subsequent config diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index ffed084..2b291e8 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -71,9 +71,11 @@ #define PCIE_ATU_TYPE_IO 0x2 #define PCIE_ATU_TYPE_CFG0 0x4 #define PCIE_ATU_TYPE_CFG1 0x5 +#define PCIE_ATU_FUNC_NUM(pf) (pf << 20) #define PCIE_ATU_CR2 0x908 #define PCIE_ATU_ENABLE BIT(31) #define PCIE_ATU_BAR_MODE_ENABLE BIT(30) +#define PCIE_ATU_FUNC_NUM_MATCH_EN BIT(19) #define PCIE_ATU_LOWER_BASE 0x90C #define PCIE_ATU_UPPER_BASE 0x910 #define PCIE_ATU_LIMIT 0x914 @@ -265,8 +267,12 @@ int dw_pcie_wait_for_link(struct dw_pcie *pci); void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type, u64 cpu_addr, u64 pci_addr, u32 size); -int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, int index, int bar, - u64 cpu_addr, enum dw_pcie_as_type as_type); +void dw_pcie_prog_ep_outbound_atu(struct dw_pcie *pci, u8 func_no, int index, + int type, u64 cpu_addr, u64 pci_addr, + u32 size); +int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, u8 func_no, int index, + int bar, u64 cpu_addr, + enum dw_pcie_as_type as_type); void dw_pcie_disable_atu(struct dw_pcie *pci, int index, enum dw_pcie_region_type type); void dw_pcie_setup(struct dw_pcie *pci); diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index f641bad..fc2feee 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -96,6 +96,7 @@ struct pci_epc { const struct pci_epc_ops *ops; struct pci_epc_mem *mem; u8 max_functions; + u32 pf_offset; struct config_group *group; /* spinlock to protect against concurrent access of EP controller */ spinlock_t lock; From patchwork Thu Aug 15 08:37:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095365 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A4EA813B1 for ; Thu, 15 Aug 2019 08:47:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 91828286BF for ; Thu, 15 Aug 2019 08:47:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 83A76286D0; Thu, 15 Aug 2019 08:47:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 26A37286BF for ; 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Thu, 15 Aug 2019 08:47:52 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hyBQC-0006Wx-SW for linux-arm-kernel@lists.infradead.org; Thu, 15 Aug 2019 08:47:50 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 1AE3D1A0467; Thu, 15 Aug 2019 10:47:45 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 638CC1A0013; Thu, 15 Aug 2019 10:47:36 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 952794030E; Thu, 15 Aug 2019 16:47:25 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 02/10] PCI: designware-ep: Add the doorbell mode of MSI-X in EP mode Date: Thu, 15 Aug 2019 16:37:08 +0800 Message-Id: <20190815083716.4715-2-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190815083716.4715-1-xiaowei.bao@nxp.com> References: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014749_057328_3F814233 X-CRM114-Status: UNSURE ( 7.53 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add the doorbell mode of MSI-X in EP mode. Signed-off-by: Xiaowei Bao --- drivers/pci/controller/dwc/pcie-designware-ep.c | 14 ++++++++++++++ drivers/pci/controller/dwc/pcie-designware.h | 14 ++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 75e2955..e3a7cdf 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -454,6 +454,20 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no, return 0; } +int dw_pcie_ep_raise_msix_irq_doorbell(struct dw_pcie_ep *ep, u8 func_no, + u16 interrupt_num) +{ + struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + u32 msg_data; + + msg_data = (func_no << PCIE_MSIX_DOORBELL_PF_SHIFT) | + (interrupt_num - 1); + + dw_pcie_writel_dbi(pci, PCIE_MSIX_DOORBELL, msg_data); + + return 0; +} + int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no, u16 interrupt_num) { diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 2b291e8..cd903e9 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -88,6 +88,11 @@ #define PCIE_MISC_CONTROL_1_OFF 0x8BC #define PCIE_DBI_RO_WR_EN BIT(0) +#define PCIE_MSIX_DOORBELL 0x948 +#define PCIE_MSIX_DOORBELL_PF_SHIFT 24 +#define PCIE_MSIX_DOORBELL_VF_SHIFT 16 +#define PCIE_MSIX_DOORBELL_VF_ACTIVE BIT(15) + /* * iATU Unroll-specific register definitions * From 4.80 core version the address translation will be made by unroll @@ -399,6 +404,8 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no, u8 interrupt_num); int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no, u16 interrupt_num); +int dw_pcie_ep_raise_msix_irq_doorbell(struct dw_pcie_ep *ep, u8 func_no, + u16 interrupt_num); void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar); #else static inline void dw_pcie_ep_linkup(struct dw_pcie_ep *ep) @@ -431,6 +438,13 @@ static inline int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no, return 0; } +static inline int dw_pcie_ep_raise_msix_irq_doorbell(struct dw_pcie_ep *ep, + u8 func_no, + u16 interrupt_num) +{ + return 0; +} + static inline void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar) { } From patchwork Thu Aug 15 08:37:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095391 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1EE1314F7 for ; 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Thu, 15 Aug 2019 10:47:38 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 60F3C40313; Thu, 15 Aug 2019 16:47:27 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 03/10] PCI: designware-ep: Move the function of getting MSI capability forward Date: Thu, 15 Aug 2019 16:37:09 +0800 Message-Id: <20190815083716.4715-3-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190815083716.4715-1-xiaowei.bao@nxp.com> References: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014750_268152_53614660 X-CRM114-Status: UNSURE ( 8.01 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Move the function of getting MSI capability to the front of init function, because the init function of the EP platform driver will use the return value by the function of getting MSI capability. Signed-off-by: Xiaowei Bao --- drivers/pci/controller/dwc/pcie-designware-ep.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index e3a7cdf..0c27c7b 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -631,6 +631,10 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) if (ret < 0) epc->pf_offset = 0; + ep->msi_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSI); + + ep->msix_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSIX); + if (ep->ops->ep_init) ep->ops->ep_init(ep); @@ -647,9 +651,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) dev_err(dev, "Failed to reserve memory for MSI/MSI-X\n"); return -ENOMEM; } - ep->msi_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSI); - - ep->msix_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSIX); offset = dw_pcie_ep_find_ext_capability(pci, PCI_EXT_CAP_ID_REBAR); if (offset) { From patchwork Thu Aug 15 08:37:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095389 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D32FF13B1 for ; Thu, 15 Aug 2019 08:48:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1F1C286BF for ; Thu, 15 Aug 2019 08:48:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B5280286D0; Thu, 15 Aug 2019 08:48:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6DAE9286BF for ; 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Thu, 15 Aug 2019 08:48:28 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hyBQE-0006X2-2w for linux-arm-kernel@lists.infradead.org; Thu, 15 Aug 2019 08:47:52 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 51A0320044A; Thu, 15 Aug 2019 10:47:48 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 9CE3A2001EB; Thu, 15 Aug 2019 10:47:39 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 35B84402EC; Thu, 15 Aug 2019 16:47:29 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 04/10] dt-bindings: pci: layerscape-pci: add compatible strings for ls1088a and ls2088a Date: Thu, 15 Aug 2019 16:37:10 +0800 Message-Id: <20190815083716.4715-4-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190815083716.4715-1-xiaowei.bao@nxp.com> References: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014750_265949_FBAF3DCD X-CRM114-Status: UNSURE ( 6.61 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add compatible strings for ls1088a and ls2088a. Signed-off-by: Xiaowei Bao --- Documentation/devicetree/bindings/pci/layerscape-pci.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/pci/layerscape-pci.txt b/Documentation/devicetree/bindings/pci/layerscape-pci.txt index e20ceaa..16f592e 100644 --- a/Documentation/devicetree/bindings/pci/layerscape-pci.txt +++ b/Documentation/devicetree/bindings/pci/layerscape-pci.txt @@ -22,7 +22,10 @@ Required properties: "fsl,ls1043a-pcie" "fsl,ls1012a-pcie" EP mode: - "fsl,ls1046a-pcie-ep", "fsl,ls-pcie-ep" + "fsl,ls-pcie-ep" + "fsl,ls1046a-pcie-ep" + "fsl,ls1088a-pcie-ep" + "fsl,ls2088a-pcie-ep" - reg: base addresses and lengths of the PCIe controller register blocks. - interrupts: A list of interrupt outputs of the controller. Must contain an entry for each entry in the interrupt-names property. From patchwork Thu Aug 15 08:37:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095393 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CFBE713B1 for ; Thu, 15 Aug 2019 08:49:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE33E286BF for ; Thu, 15 Aug 2019 08:49:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AF8EF286D0; Thu, 15 Aug 2019 08:49:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5E968286BF for ; Thu, 15 Aug 2019 08:49:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=4B4zrzo0o0CseO2g7whHr69dPgO+spn0HoMs99mzaOc=; b=k9fIWxCf1qvyphyER6lhDZMXNk bCEo+jCzaN1sIVkY+9CxLBnPsYdllM2Yz6e6Dd74M++9wqz1DexVRU5sD4M08jTh+rk/Ni49gT55A 7FL1Oj/AninhhnyA1cTpPZWOaXF9pdu/Bv4q/t3Wv6WBxb3j879PHnog6BSLfmmHJujUR8/5//AMf ozYJMMTGOqeXc9YKtVUu9XI7zEEVUefcDbEwQCFLDhwX+EDIl04YlLP22U5pD3u/J4x6KN84WU6YQ IU8Fj8EVHsaTHuYdlzU9B8tWI8Z5AkN0T0i6Wx6dOMVscIAX7ZkbLdoKmi1ZYgazBgG8gN6AIlLkJ Efg0wC1g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hyBRP-0007cn-Sb; Thu, 15 Aug 2019 08:49:03 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hyBQF-0006Y6-B1 for linux-arm-kernel@lists.infradead.org; Thu, 15 Aug 2019 08:47:52 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 1C848200449; Thu, 15 Aug 2019 10:47:50 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 66C5C200440; Thu, 15 Aug 2019 10:47:41 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 0A0DF4031B; Thu, 15 Aug 2019 16:47:30 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 05/10] PCI: layerscape: Modify the way of getting capability with different PEX Date: Thu, 15 Aug 2019 16:37:11 +0800 Message-Id: <20190815083716.4715-5-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190815083716.4715-1-xiaowei.bao@nxp.com> References: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014751_653069_AB745CD2 X-CRM114-Status: UNSURE ( 9.50 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The different PCIe controller in one board may be have different capability of MSI or MSIX, so change the way of getting the MSI capability, make it more flexible. Signed-off-by: Xiaowei Bao --- drivers/pci/controller/dwc/pci-layerscape-ep.c | 28 +++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c index be61d96..9404ca0 100644 --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c @@ -22,6 +22,7 @@ struct ls_pcie_ep { struct dw_pcie *pci; + struct pci_epc_features *ls_epc; }; #define to_ls_pcie_ep(x) dev_get_drvdata((x)->dev) @@ -40,25 +41,26 @@ static const struct of_device_id ls_pcie_ep_of_match[] = { { }, }; -static const struct pci_epc_features ls_pcie_epc_features = { - .linkup_notifier = false, - .msi_capable = true, - .msix_capable = false, -}; - static const struct pci_epc_features* ls_pcie_ep_get_features(struct dw_pcie_ep *ep) { - return &ls_pcie_epc_features; + struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + struct ls_pcie_ep *pcie = to_ls_pcie_ep(pci); + + return pcie->ls_epc; } static void ls_pcie_ep_init(struct dw_pcie_ep *ep) { struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + struct ls_pcie_ep *pcie = to_ls_pcie_ep(pci); enum pci_barno bar; for (bar = BAR_0; bar <= BAR_5; bar++) dw_pcie_ep_reset_bar(pci, bar); + + pcie->ls_epc->msi_capable = ep->msi_cap ? true : false; + pcie->ls_epc->msix_capable = ep->msix_cap ? true : false; } static int ls_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no, @@ -118,6 +120,7 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct dw_pcie *pci; struct ls_pcie_ep *pcie; + struct pci_epc_features *ls_epc; struct resource *dbi_base; int ret; @@ -129,6 +132,10 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev) if (!pci) return -ENOMEM; + ls_epc = devm_kzalloc(dev, sizeof(*ls_epc), GFP_KERNEL); + if (!ls_epc) + return -ENOMEM; + dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); pci->dbi_base = devm_pci_remap_cfg_resource(dev, dbi_base); if (IS_ERR(pci->dbi_base)) @@ -139,6 +146,13 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev) pci->ops = &ls_pcie_ep_ops; pcie->pci = pci; + ls_epc->linkup_notifier = false, + ls_epc->msi_capable = true, + ls_epc->msix_capable = true, + ls_epc->bar_fixed_64bit = (1 << BAR_2) | (1 << BAR_4), + + pcie->ls_epc = ls_epc; + platform_set_drvdata(pdev, pcie); ret = ls_add_pcie_ep(pcie, pdev); From patchwork Thu Aug 15 08:37:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095395 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3F0FF14F7 for ; Thu, 15 Aug 2019 08:49:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C6F7286B9 for ; Thu, 15 Aug 2019 08:49:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1E6E5286D1; 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Thu, 15 Aug 2019 10:47:43 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id C9E8A4030F; Thu, 15 Aug 2019 16:47:32 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 06/10] PCI: layerscape: Modify the MSIX to the doorbell way Date: Thu, 15 Aug 2019 16:37:12 +0800 Message-Id: <20190815083716.4715-6-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190815083716.4715-1-xiaowei.bao@nxp.com> References: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014753_297091_C244FF7D X-CRM114-Status: UNSURE ( 7.52 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The layerscape platform use the doorbell way to trigger MSIX interrupt in EP mode. Signed-off-by: Xiaowei Bao --- drivers/pci/controller/dwc/pci-layerscape-ep.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c index 9404ca0..a0cd5ff 100644 --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c @@ -74,7 +74,8 @@ static int ls_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no, case PCI_EPC_IRQ_MSI: return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num); case PCI_EPC_IRQ_MSIX: - return dw_pcie_ep_raise_msix_irq(ep, func_no, interrupt_num); + return dw_pcie_ep_raise_msix_irq_doorbell(ep, func_no, + interrupt_num); default: dev_err(pci->dev, "UNKNOWN IRQ type\n"); return -EINVAL; From patchwork Thu Aug 15 08:37:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095397 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A5C3313B1 for ; Thu, 15 Aug 2019 08:49:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 90CEE286B9 for ; Thu, 15 Aug 2019 08:49:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 825F2286C6; Thu, 15 Aug 2019 08:49:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 38ED4286B9 for ; Thu, 15 Aug 2019 08:49:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=197rttl/sGyweQ7Ppplr4s0d+vax8ZBQl7uZ2drPBPY=; b=ejGpsB9xrVSweNudzpL8T69Rva /yQexfR4+9QsDtLg7UhB09bc8CiN3IU4NyguO+lyP8IoEWkD84zRZJm+TXsa2UQ/ZnbJb4xCNfm0e Ekfk4d5J86JFKWnFeH2T1IX5J/vSPunAJRt6vuO1HO0iuy5YTaXArl6oMay5Of+km78wB1g9sztId vzXovIspyNaHERfWmp1JkcNDmM0YkzVO9pn1xNFQAisFWmCOyppsFAVPXklYsAR+0MKMungyz0nya FSp47m+hyloWjB6YV/JWKNaKXfDnfN3jfbqBOX93ynQMt7Kh+YRrj6ML6IgYW40+rosagcHmBlQWg fdzYpjsg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hyBRv-00085c-QE; Thu, 15 Aug 2019 08:49:35 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hyBQJ-0006bg-At for linux-arm-kernel@lists.infradead.org; Thu, 15 Aug 2019 08:47:56 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 2463B1A046A; Thu, 15 Aug 2019 10:47:54 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 71AA51A046E; Thu, 15 Aug 2019 10:47:45 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 9F07440305; Thu, 15 Aug 2019 16:47:34 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 07/10] PCI: layerscape: Fix some format issue of the code Date: Thu, 15 Aug 2019 16:37:13 +0800 Message-Id: <20190815083716.4715-7-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190815083716.4715-1-xiaowei.bao@nxp.com> References: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014755_555405_7F204B94 X-CRM114-Status: UNSURE ( 8.51 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Fix some format issue of the code in EP driver. Signed-off-by: Xiaowei Bao --- drivers/pci/controller/dwc/pci-layerscape-ep.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c index a0cd5ff..2ada445 100644 --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c @@ -64,7 +64,7 @@ static void ls_pcie_ep_init(struct dw_pcie_ep *ep) } static int ls_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no, - enum pci_epc_irq_type type, u16 interrupt_num) + enum pci_epc_irq_type type, u16 interrupt_num) { struct dw_pcie *pci = to_dw_pcie_from_ep(ep); @@ -89,7 +89,7 @@ static const struct dw_pcie_ep_ops pcie_ep_ops = { }; static int __init ls_add_pcie_ep(struct ls_pcie_ep *pcie, - struct platform_device *pdev) + struct platform_device *pdev) { struct dw_pcie *pci = pcie->pci; struct device *dev = pci->dev; From patchwork Thu Aug 15 08:37:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095399 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D9C8314F7 for ; Thu, 15 Aug 2019 08:49:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C8786286BF for ; Thu, 15 Aug 2019 08:49:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BBFBB286D0; Thu, 15 Aug 2019 08:49:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7B77F286BF for ; Thu, 15 Aug 2019 08:49:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=/ztYJqpo+MG6lx/LALb/UaMChX6nBV18vKHsvMAdHiA=; b=j+oL9ZN1GdAuj+IxYrYn5djQ8J 8pphUoMCpMxMk9hCl8teaMq2IYTB4yybNnZl/ejrePLCFtwxgijmq8sOQ6uZrNClZkUli4LcLPPT4 LP0lmaJ7AMpRn6xDYuxr/KdmD+FE2zHTkH08zE4xGXvRIK8CPI/gNxX2moT6mKE3Lu/MAKwzqfpfF ro0QMwMwhBmQnq90aFX/WZEEIW+HR8ILf7Aljzumc+LsNo+Z7zfQBwOVD/tVQkvptB/7hHolacZaH JUaooxIeiAWBeng2qkBy0O+rvCXMnQGqHTlUC+72JcTmz59tnWLNTgwM0wM3/HLH33Pb5/YmJuKK+ /nmX7tSA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hyBS8-0008JA-Sb; Thu, 15 Aug 2019 08:49:49 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hyBQL-0006eP-D5 for linux-arm-kernel@lists.infradead.org; Thu, 15 Aug 2019 08:47:58 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 3246820027E; Thu, 15 Aug 2019 10:47:56 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 7B448200442; Thu, 15 Aug 2019 10:47:47 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 737324031E; Thu, 15 Aug 2019 16:47:36 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 08/10] dt-bindings: PCI: Add the pf-offset property Date: Thu, 15 Aug 2019 16:37:14 +0800 Message-Id: <20190815083716.4715-8-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190815083716.4715-1-xiaowei.bao@nxp.com> References: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014757_677343_1E7FFB55 X-CRM114-Status: UNSURE ( 6.17 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add the pf-offset property for multiple PF. Signed-off-by: Xiaowei Bao Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/pci/designware-pcie.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index 5561a1c..d658687 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -43,6 +43,7 @@ RC mode: EP mode: - max-functions: maximum number of functions that can be configured +- pf-offset: the offset of each PF's config space Example configuration: From patchwork Thu Aug 15 08:37:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095401 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EEB1214F7 for ; Thu, 15 Aug 2019 08:50:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DA72C286B9 for ; Thu, 15 Aug 2019 08:50:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CE823286C6; Thu, 15 Aug 2019 08:50:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 804F1286B9 for ; Thu, 15 Aug 2019 08:50:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=NvSCU+z3nQW/Y//QIW57lV4smo4Q/qwxvbsYjGgAq6U=; b=e7UZDw/LPEZ9Da5Xmuo5P7uqEf MJNSPIr1z0TkeYMMKJiyUppybaVwsD8q92XN48iqX024NeLbI5Xt3Y+EMDGOPF7aUwtYOTF2yCAuQ Gq2zGAYcsZnSXOP7NMwZqDvPoOivYiqsAhHkAD9+IBFoQRLC0xw21zwf+1WA3JvomZ1dgnzxW/sC+ Jv7P/Y434pIT6yGHWLG8RpQ7v7peIHRPVJfE7ADf7NK6dY4ioxvhhLNVIGCSkmKYBpD32Mre8wttV UxKxwmV30DvGp2jFJzLbVFR4vXcHMzljnxBwp/r9rh9HzcHCIVe9PX29laDd/Aw1BvxImhcMrCQ/G oC7sNeMA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hyBSS-0000Tu-Gl; Thu, 15 Aug 2019 08:50:08 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hyBQN-0006gr-AO for linux-arm-kernel@lists.infradead.org; Thu, 15 Aug 2019 08:48:00 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id EE357200440; Thu, 15 Aug 2019 10:47:57 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 4599B2001CD; Thu, 15 Aug 2019 10:47:49 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 4795640320; Thu, 15 Aug 2019 16:47:38 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 09/10] arm64: dts: layerscape: Add PCIe EP node for ls1088a Date: Thu, 15 Aug 2019 16:37:15 +0800 Message-Id: <20190815083716.4715-9-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190815083716.4715-1-xiaowei.bao@nxp.com> References: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014759_514550_D96EF908 X-CRM114-Status: UNSURE ( 6.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add PCIe EP node for ls1088a to support EP mode. Signed-off-by: Xiaowei Bao --- arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 32 ++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi index dfbead4..434a76c 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi @@ -471,6 +471,18 @@ status = "disabled"; }; + pcie_ep@3400000 { + compatible = "fsl,ls1088a-pcie-ep","fsl,ls-pcie-ep"; + reg = <0x00 0x03400000 0x0 0x00100000 + 0x20 0x00000000 0x8 0x00000000>; + reg-names = "regs", "addr_space"; + num-ib-windows = <24>; + num-ob-windows = <128>; + max-functions = /bits/ 8 <2>; + pf-offset = <0x20000>; + status = "disabled"; + }; + pcie@3500000 { compatible = "fsl,ls1088a-pcie"; reg = <0x00 0x03500000 0x0 0x00100000 /* controller registers */ @@ -497,6 +509,16 @@ status = "disabled"; }; + pcie_ep@3500000 { + compatible = "fsl,ls1088a-pcie-ep","fsl,ls-pcie-ep"; + reg = <0x00 0x03500000 0x0 0x00100000 + 0x28 0x00000000 0x8 0x00000000>; + reg-names = "regs", "addr_space"; + num-ib-windows = <6>; + num-ob-windows = <8>; + status = "disabled"; + }; + pcie@3600000 { compatible = "fsl,ls1088a-pcie"; reg = <0x00 0x03600000 0x0 0x00100000 /* controller registers */ @@ -523,6 +545,16 @@ status = "disabled"; }; + pcie_ep@3600000 { + compatible = "fsl,ls1088a-pcie-ep","fsl,ls-pcie-ep"; + reg = <0x00 0x03600000 0x0 0x00100000 + 0x30 0x00000000 0x8 0x00000000>; + reg-names = "regs", "addr_space"; + num-ib-windows = <6>; + num-ob-windows = <8>; + status = "disabled"; + }; + smmu: iommu@5000000 { compatible = "arm,mmu-500"; reg = <0 0x5000000 0 0x800000>; From patchwork Thu Aug 15 08:37:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 11095403 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2A04613B1 for ; Thu, 15 Aug 2019 08:50:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1779B286B9 for ; 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Thu, 15 Aug 2019 10:47:52 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 1343640327; Thu, 15 Aug 2019 16:47:40 +0800 (SGT) From: Xiaowei Bao To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 10/10] misc: pci_endpoint_test: Add LS1088a in pci_device_id table Date: Thu, 15 Aug 2019 16:37:16 +0800 Message-Id: <20190815083716.4715-10-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190815083716.4715-1-xiaowei.bao@nxp.com> References: <20190815083716.4715-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190815_014802_271135_30EDE6B8 X-CRM114-Status: UNSURE ( 7.14 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add LS1088a in pci_device_id table so that pci-epf-test can be used for testing PCIe EP in LS1088a. Signed-off-by: Xiaowei Bao --- drivers/misc/pci_endpoint_test.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c index 6e208a0..d531951 100644 --- a/drivers/misc/pci_endpoint_test.c +++ b/drivers/misc/pci_endpoint_test.c @@ -793,6 +793,7 @@ static const struct pci_device_id pci_endpoint_test_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_DRA74x) }, { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_DRA72x) }, { PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, 0x81c0) }, + { PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, 0x80c0) }, { PCI_DEVICE_DATA(SYNOPSYS, EDDA, NULL) }, { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_AM654), .driver_data = (kernel_ulong_t)&am654_data