diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2020-12-15 15:11:12 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2020-12-15 15:11:12 -0600 |
| commit | 4cc0a34ae2a11cf0d2949d1e1d93e7077981119c (patch) | |
| tree | c4979ba2d334f20de0a837a5280a328a5c3725ae /drivers/pci | |
| parent | ff9f1683b63022035981045ce0368ec047d0ed1c (diff) | |
| parent | 7698c0f1558afa2236355bcd9afbbf0761ddb868 (diff) | |
Merge branch 'remotes/lorenzo/pci/iproc'
- Declare iproc register set sizes to help avoid out-of-bound accesses
(Bharat Gooty)
- Invalidate iproc PAXB IARR1/IMAP1 inbound windows to erase bootloader
footprint (Roman Bacik)
- Log Root Port link speed & width at startup (Srinath Mannam)
* remotes/lorenzo/pci/iproc:
PCI: iproc: Enhance PCIe Link information display
PCI: iproc: Invalidate correct PAXB inbound windows
PCI: iproc: Fix out-of-bound array accesses
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/controller/pcie-iproc.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c index 503662380ff8..02e52f698eeb 100644 --- a/drivers/pci/controller/pcie-iproc.c +++ b/drivers/pci/controller/pcie-iproc.c @@ -185,8 +185,15 @@ static const struct iproc_pcie_ib_map paxb_v2_ib_map[] = { .imap_window_offset = 0x4, }, { - /* IARR1/IMAP1 (currently unused) */ - .type = IPROC_PCIE_IB_MAP_INVALID, + /* IARR1/IMAP1 */ + .type = IPROC_PCIE_IB_MAP_MEM, + .size_unit = SZ_1M, + .region_sizes = { 8 }, + .nr_sizes = 1, + .nr_windows = 8, + .imap_addr_offset = 0x4, + .imap_window_offset = 0x8, + }, { /* IARR2/IMAP2 */ @@ -300,7 +307,7 @@ enum iproc_pcie_reg { }; /* iProc PCIe PAXB BCMA registers */ -static const u16 iproc_pcie_reg_paxb_bcma[] = { +static const u16 iproc_pcie_reg_paxb_bcma[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_CLK_CTRL] = 0x000, [IPROC_PCIE_CFG_IND_ADDR] = 0x120, [IPROC_PCIE_CFG_IND_DATA] = 0x124, @@ -311,7 +318,7 @@ static const u16 iproc_pcie_reg_paxb_bcma[] = { }; /* iProc PCIe PAXB registers */ -static const u16 iproc_pcie_reg_paxb[] = { +static const u16 iproc_pcie_reg_paxb[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_CLK_CTRL] = 0x000, [IPROC_PCIE_CFG_IND_ADDR] = 0x120, [IPROC_PCIE_CFG_IND_DATA] = 0x124, @@ -327,7 +334,7 @@ static const u16 iproc_pcie_reg_paxb[] = { }; /* iProc PCIe PAXB v2 registers */ -static const u16 iproc_pcie_reg_paxb_v2[] = { +static const u16 iproc_pcie_reg_paxb_v2[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_CLK_CTRL] = 0x000, [IPROC_PCIE_CFG_IND_ADDR] = 0x120, [IPROC_PCIE_CFG_IND_DATA] = 0x124, @@ -344,6 +351,8 @@ static const u16 iproc_pcie_reg_paxb_v2[] = { [IPROC_PCIE_OMAP3] = 0xdf8, [IPROC_PCIE_IARR0] = 0xd00, [IPROC_PCIE_IMAP0] = 0xc00, + [IPROC_PCIE_IARR1] = 0xd08, + [IPROC_PCIE_IMAP1] = 0xd70, [IPROC_PCIE_IARR2] = 0xd10, [IPROC_PCIE_IMAP2] = 0xcc0, [IPROC_PCIE_IARR3] = 0xe00, @@ -356,7 +365,7 @@ static const u16 iproc_pcie_reg_paxb_v2[] = { }; /* iProc PCIe PAXC v1 registers */ -static const u16 iproc_pcie_reg_paxc[] = { +static const u16 iproc_pcie_reg_paxc[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_CLK_CTRL] = 0x000, [IPROC_PCIE_CFG_IND_ADDR] = 0x1f0, [IPROC_PCIE_CFG_IND_DATA] = 0x1f4, @@ -365,7 +374,7 @@ static const u16 iproc_pcie_reg_paxc[] = { }; /* iProc PCIe PAXC v2 registers */ -static const u16 iproc_pcie_reg_paxc_v2[] = { +static const u16 iproc_pcie_reg_paxc_v2[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_MSI_GIC_MODE] = 0x050, [IPROC_PCIE_MSI_BASE_ADDR] = 0x074, [IPROC_PCIE_MSI_WINDOW_SIZE] = 0x078, @@ -1455,6 +1464,7 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res) { struct device *dev; int ret; + struct pci_dev *pdev; struct pci_host_bridge *host = pci_host_bridge_from_priv(pcie); dev = pcie->dev; @@ -1518,6 +1528,11 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res) goto err_power_off_phy; } + for_each_pci_bridge(pdev, host->bus) { + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT) + pcie_print_link_status(pdev); + } + return 0; err_power_off_phy: |