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path: root/drivers/pci/host/pci-layerscape.c
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Diffstat (limited to 'drivers/pci/host/pci-layerscape.c')
-rw-r--r--drivers/pci/host/pci-layerscape.c38
1 files changed, 35 insertions, 3 deletions
diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c
index 6537079..7ce32ff 100644
--- a/drivers/pci/host/pci-layerscape.c
+++ b/drivers/pci/host/pci-layerscape.c
@@ -35,12 +35,14 @@
#define PCIE_STRFMR1 0x71c /* Symbol Timer & Filter Mask Register1 */
#define PCIE_DBI_RO_WR_EN 0x8bc /* DBI Read-Only Write Enable Register */
-/* PEX LUT registers */
-#define PCIE_LUT_DBG 0x7FC /* PEX LUT Debug Register */
+#define PCIE_IATU_NUM 6
+
+static void ls_pcie_host_init(struct pcie_port *pp);
struct ls_pcie_drvdata {
u32 lut_offset;
u32 ltssm_shift;
+ u32 lut_dbg;
struct pcie_host_ops *ops;
};
@@ -86,6 +88,14 @@ static void ls_pcie_drop_msg_tlp(struct ls_pcie *pcie)
iowrite32(val, pcie->pp.dbi_base + PCIE_STRFMR1);
}
+static void ls_pcie_disable_outbound_atus(struct ls_pcie *pcie)
+{
+ int i;
+
+ for (i = 0; i < PCIE_IATU_NUM; i++)
+ dw_pcie_disable_outbound_atu(&pcie->pp, i);
+}
+
static int ls1021_pcie_link_up(struct pcie_port *pp)
{
u32 state;
@@ -134,7 +144,7 @@ static int ls_pcie_link_up(struct pcie_port *pp)
struct ls_pcie *pcie = to_ls_pcie(pp);
u32 state;
- state = (ioread32(pcie->lut + PCIE_LUT_DBG) >>
+ state = (ioread32(pcie->lut + pcie->drvdata->lut_dbg) >>
pcie->drvdata->ltssm_shift) &
LTSSM_STATE_MASK;
@@ -153,6 +163,9 @@ static void ls_pcie_host_init(struct pcie_port *pp)
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);
+ 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_drvdata = {
static struct ls_pcie_drvdata ls1043_drvdata = {
.lut_offset = 0x10000,
.ltssm_shift = 24,
+ .lut_dbg = 0x7fc,
+ .ops = &ls_pcie_host_ops,
+};
+
+static struct ls_pcie_drvdata ls1046_drvdata = {
+ .lut_offset = 0x80000,
+ .ltssm_shift = 24,
+ .lut_dbg = 0x407fc,
.ops = &ls_pcie_host_ops,
};
static struct ls_pcie_drvdata ls2080_drvdata = {
.lut_offset = 0x80000,
.ltssm_shift = 0,
+ .lut_dbg = 0x7fc,
+ .ops = &ls_pcie_host_ops,
+};
+
+static struct ls_pcie_drvdata ls2088_drvdata = {
+ .lut_offset = 0x80000,
+ .ltssm_shift = 0,
+ .lut_dbg = 0x407fc,
.ops = &ls_pcie_host_ops,
};
static const struct of_device_id ls_pcie_of_match[] = {
+ { .compatible = "fsl,ls1012a-pcie", .data = &ls1046_drvdata },
{ .compatible = "fsl,ls1021a-pcie", .data = &ls1021_drvdata },
{ .compatible = "fsl,ls1043a-pcie", .data = &ls1043_drvdata },
+ { .compatible = "fsl,ls1046a-pcie", .data = &ls1046_drvdata },
{ .compatible = "fsl,ls2080a-pcie", .data = &ls2080_drvdata },
{ .compatible = "fsl,ls2085a-pcie", .data = &ls2080_drvdata },
+ { .compatible = "fsl,ls2088a-pcie", .data = &ls2088_drvdata },
{ },
};