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authorBjorn Helgaas <bhelgaas@google.com>2020-12-15 15:11:12 -0600
committerBjorn Helgaas <bhelgaas@google.com>2020-12-15 15:11:12 -0600
commit4cc0a34ae2a11cf0d2949d1e1d93e7077981119c (patch)
treec4979ba2d334f20de0a837a5280a328a5c3725ae /drivers
parentff9f1683b63022035981045ce0368ec047d0ed1c (diff)
parent7698c0f1558afa2236355bcd9afbbf0761ddb868 (diff)
downloadlinux-4cc0a34ae2a11cf0d2949d1e1d93e7077981119c.tar.bz2
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')
-rw-r--r--drivers/pci/controller/pcie-iproc.c29
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: