diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.9/702-pci-support-layerscape.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.9/702-pci-support-layerscape.patch | 68 |
1 files changed, 57 insertions, 11 deletions
diff --git a/target/linux/layerscape/patches-4.9/702-pci-support-layerscape.patch b/target/linux/layerscape/patches-4.9/702-pci-support-layerscape.patch index 65243518ae..4d68e2371d 100644 --- a/target/linux/layerscape/patches-4.9/702-pci-support-layerscape.patch +++ b/target/linux/layerscape/patches-4.9/702-pci-support-layerscape.patch @@ -1,9 +1,9 @@ -From 9e6e0a53b29190dbd86a39304b59c3028f5b36c2 Mon Sep 17 00:00:00 2001 +From 5fcb42fbd224e1103bacbae4785745842cfd6304 Mon Sep 17 00:00:00 2001 From: Yangbo Lu <yangbo.lu@nxp.com> -Date: Mon, 25 Sep 2017 11:04:10 +0800 -Subject: [PATCH] pci: support layerscape +Date: Wed, 17 Jan 2018 15:00:43 +0800 +Subject: [PATCH 08/30] pci: support layerscape -This is a integrated patch for layerscape pcie support. +This is an integrated patch for layerscape pcie support. Signed-off-by: Po Liu <po.liu@nxp.com> Signed-off-by: Liu Gang <Gang.Liu@nxp.com> @@ -20,12 +20,14 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> drivers/pci/host/pci-layerscape-ep-debugfs.c | 758 +++++++++++++++++++++++++++ drivers/pci/host/pci-layerscape-ep.c | 309 +++++++++++ drivers/pci/host/pci-layerscape-ep.h | 115 ++++ - drivers/pci/host/pci-layerscape.c | 38 +- + drivers/pci/host/pci-layerscape.c | 48 +- drivers/pci/host/pcie-designware.c | 6 + drivers/pci/host/pcie-designware.h | 1 + + drivers/pci/pci.c | 2 +- drivers/pci/pcie/portdrv_core.c | 181 +++---- + drivers/pci/quirks.c | 8 + include/linux/pci.h | 1 + - 10 files changed, 1520 insertions(+), 148 deletions(-) + 12 files changed, 1539 insertions(+), 149 deletions(-) create mode 100644 drivers/pci/host/pci-layerscape-ep-debugfs.c create mode 100644 drivers/pci/host/pci-layerscape-ep.c create mode 100644 drivers/pci/host/pci-layerscape-ep.h @@ -1606,8 +1608,12 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +#endif /* _PCIE_LAYERSCAPE_EP_H */ --- a/drivers/pci/host/pci-layerscape.c +++ b/drivers/pci/host/pci-layerscape.c -@@ -35,12 +35,14 @@ +@@ -33,14 +33,18 @@ + + /* PEX Internal Configuration Registers */ #define PCIE_STRFMR1 0x71c /* Symbol Timer & Filter Mask Register1 */ ++#define PCIE_ABSERR 0x8d0 /* Bridge Slave Error Response Register */ ++#define PCIE_ABSERR_SETTING 0x9401 /* Forward error of non-posted request */ #define PCIE_DBI_RO_WR_EN 0x8bc /* DBI Read-Only Write Enable Register */ -/* PEX LUT registers */ @@ -1623,7 +1629,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> struct pcie_host_ops *ops; }; -@@ -86,6 +88,14 @@ static void ls_pcie_drop_msg_tlp(struct +@@ -86,6 +90,14 @@ static void ls_pcie_drop_msg_tlp(struct iowrite32(val, pcie->pp.dbi_base + PCIE_STRFMR1); } @@ -1638,7 +1644,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> static int ls1021_pcie_link_up(struct pcie_port *pp) { u32 state; -@@ -134,7 +144,7 @@ static int ls_pcie_link_up(struct pcie_p +@@ -134,7 +146,7 @@ static int ls_pcie_link_up(struct pcie_p struct ls_pcie *pcie = to_ls_pcie(pp); u32 state; @@ -1647,17 +1653,31 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> pcie->drvdata->ltssm_shift) & LTSSM_STATE_MASK; -@@ -153,6 +163,9 @@ static void ls_pcie_host_init(struct pci +@@ -144,6 +156,12 @@ static int ls_pcie_link_up(struct pcie_p + return 1; + } + ++/* Forward error response of outbound non-posted requests */ ++static void ls_pcie_fix_error_response(struct ls_pcie *pcie) ++{ ++ iowrite32(PCIE_ABSERR_SETTING, pcie->pp.dbi_base + PCIE_ABSERR); ++} ++ + static void ls_pcie_host_init(struct pcie_port *pp) + { + struct ls_pcie *pcie = to_ls_pcie(pp); +@@ -153,6 +171,10 @@ static void ls_pcie_host_init(struct pci ls_pcie_clear_multifunction(pcie); ls_pcie_drop_msg_tlp(pcie); iowrite32(0, pcie->pp.dbi_base + PCIE_DBI_RO_WR_EN); + + ls_pcie_disable_outbound_atus(pcie); ++ ls_pcie_fix_error_response(pcie); + dw_pcie_setup_rc(pp); } static int ls_pcie_msi_host_init(struct pcie_port *pp, -@@ -196,20 +209,39 @@ static struct ls_pcie_drvdata ls1021_drv +@@ -196,20 +218,40 @@ static struct ls_pcie_drvdata ls1021_drv static struct ls_pcie_drvdata ls1043_drvdata = { .lut_offset = 0x10000, .ltssm_shift = 24, @@ -1694,6 +1714,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> { .compatible = "fsl,ls2080a-pcie", .data = &ls2080_drvdata }, { .compatible = "fsl,ls2085a-pcie", .data = &ls2080_drvdata }, + { .compatible = "fsl,ls2088a-pcie", .data = &ls2088_drvdata }, ++ { .compatible = "fsl,ls1088a-pcie", .data = &ls2088_drvdata }, { }, }; @@ -1721,6 +1742,17 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +void dw_pcie_disable_outbound_atu(struct pcie_port *pp, int index); #endif /* _PCIE_DESIGNWARE_H */ +--- a/drivers/pci/pci.c ++++ b/drivers/pci/pci.c +@@ -454,7 +454,7 @@ struct resource *pci_find_parent_resourc + pci_bus_for_each_resource(bus, r, i) { + if (!r) + continue; +- if (res->start && resource_contains(r, res)) { ++ if (resource_contains(r, res)) { + + /* + * If the window is prefetchable but the BAR is --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -44,52 +44,30 @@ static void release_pcie_device(struct d @@ -2026,6 +2058,20 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> driver->remove(pciedev); put_device(dev); } +--- a/drivers/pci/quirks.c ++++ b/drivers/pci/quirks.c +@@ -4642,3 +4642,11 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_IN + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2031, quirk_no_aersid); + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2032, quirk_no_aersid); + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2033, quirk_no_aersid); ++ ++/* Freescale PCIe doesn't support MSI in RC mode */ ++static void quirk_fsl_no_msi(struct pci_dev *pdev) ++{ ++ if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT) ++ pdev->no_msi = 1; ++} ++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_FREESCALE, PCI_ANY_ID, quirk_fsl_no_msi); --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1823,6 +1823,7 @@ void pcibios_release_device(struct pci_d |